1# SOME DESCRIPTIVE TITLE. 2# 3# Translators: 4# Kayama Yoichi <yoichi.kayama@gmail.com>, 2016 5# TERAMOTO Ikuhiro <yellow@affrc.go.jp>, 2016 6msgid "" 7msgstr "" 8"Project-Id-Version: PostGIS\n" 9"Report-Msgid-Bugs-To: http://bugs.kde.org\n" 10"POT-Creation-Date: 2019-10-06 23:49+0000\n" 11"PO-Revision-Date: 2018-07-26 04:36+0000\n" 12"Last-Translator: TERAMOTO Ikuhiro <yellow@affrc.go.jp>\n" 13"Language-Team: Japanese (http://www.transifex.com/postgis/postgis/language/" 14"ja/)\n" 15"Language: ja\n" 16"MIME-Version: 1.0\n" 17"Content-Type: text/plain; charset=UTF-8\n" 18"Content-Transfer-Encoding: 8bit\n" 19"Plural-Forms: nplurals=1; plural=0;\n" 20 21#. Tag: title 22#: reference_raster.xml:3 23#, no-c-format 24msgid "Raster Reference" 25msgstr "ラスタ リファレンス" 26 27#. Tag: para 28#: reference_raster.xml:5 29#, no-c-format 30msgid "" 31"The functions given below are the ones which a user of PostGIS Raster is " 32"likely to need and which are currently available in PostGIS Raster. There " 33"are other functions which are required support functions to the raster " 34"objects which are not of use to a general user." 35msgstr "" 36"ここで挙げる関数は、PostGISラスタにとって必要と思われるもので、現在PostGISラ" 37"スタで有効なものです。他に、一般的なユーザが利用しない、ラスタオブジェクトに" 38"対して求められるサポート関数があります。" 39 40#. Tag: para 41#: reference_raster.xml:9 42#, no-c-format 43msgid "" 44"<varname>raster</varname> is a new PostGIS type for storing and analyzing " 45"raster data." 46msgstr "" 47"<varname>raster</varname>は、ラスタデータの格納と分析のための新しいPostGIS型" 48"です。" 49 50#. Tag: para 51#: reference_raster.xml:10 52#, no-c-format 53msgid "" 54"For loading rasters from raster files please refer to <xref linkend=" 55"\"RT_Loading_Rasters\"/>" 56msgstr "" 57"ラスタファイルからラスタをロードするには<xref linkend=\"RT_Loading_Rasters\"/" 58">を参照して下さい。" 59 60#. Tag: para 61#: reference_raster.xml:12 62#, no-c-format 63msgid "" 64"For the examples in this reference we will be using a raster table of dummy " 65"rasters - Formed with the following code" 66msgstr "" 67"このリファレンスにおける例ではダミーラスタのラスタテーブルを使っています。ラ" 68"スタは次のようなコードで形成しています。" 69 70#. Tag: programlisting 71#: reference_raster.xml:13 72#, no-c-format 73msgid "" 74"CREATE TABLE dummy_rast(rid integer, rast raster);\n" 75"INSERT INTO dummy_rast(rid, rast)\n" 76"VALUES (1,\n" 77"('01' -- little endian (uint8 ndr)\n" 78"||\n" 79"'0000' -- version (uint16 0)\n" 80"||\n" 81"'0000' -- nBands (uint16 0)\n" 82"||\n" 83"'0000000000000040' -- scaleX (float64 2)\n" 84"||\n" 85"'0000000000000840' -- scaleY (float64 3)\n" 86"||\n" 87"'000000000000E03F' -- ipX (float64 0.5)\n" 88"||\n" 89"'000000000000E03F' -- ipY (float64 0.5)\n" 90"||\n" 91"'0000000000000000' -- skewX (float64 0)\n" 92"||\n" 93"'0000000000000000' -- skewY (float64 0)\n" 94"||\n" 95"'00000000' -- SRID (int32 0)\n" 96"||\n" 97"'0A00' -- width (uint16 10)\n" 98"||\n" 99"'1400' -- height (uint16 20)\n" 100")::raster\n" 101"),\n" 102"-- Raster: 5 x 5 pixels, 3 bands, PT_8BUI pixel type, NODATA = 0\n" 103"(2, ('01000003009A9999999999A93F9A9999999999A9BF000000E02B274A' ||\n" 104"'41000000007719564100000000000000000000000000000000FFFFFFFF050005000400FDFEFDFEFEFDFEFEFDF9FAFEF' " 105"||\n" 106"'EFCF9FBFDFEFEFDFCFAFEFEFE04004E627AADD16076B4F9FE6370A9F5FE59637AB0E54F58617087040046566487A1506CA2E3FA5A6CAFFBFE4D566DA4CB3E454C5665')::" 107"raster);" 108msgstr "" 109"CREATE TABLE dummy_rast(rid integer, rast raster);\n" 110"INSERT INTO dummy_rast(rid, rast)\n" 111"VALUES (1,\n" 112"('01' -- little endian - リトルエンディアン (uint8 ndr)\n" 113"||\n" 114"'0000' -- version - 版 (uint16 0)\n" 115"||\n" 116"'0000' -- nBands - バンド数 (uint16 0)\n" 117"||\n" 118"'0000000000000040' -- scaleX - X方向セルサイズ (float64 2)\n" 119"||\n" 120"'0000000000000840' -- scaleY - Y方向セルサイズ (float64 3)\n" 121"||\n" 122"'000000000000E03F' -- ipX - 左上隅X値 (float64 0.5)\n" 123"||\n" 124"'000000000000E03F' -- ipY - 左上隅Y値 (float64 0.5)\n" 125"||\n" 126"'0000000000000000' -- skewX - スキューX (float64 0)\n" 127"||\n" 128"'0000000000000000' -- skewY - スキューY (float64 0)\n" 129"||\n" 130"'00000000' -- SRID (int32 0)\n" 131"||\n" 132"'0A00' -- width - 横セル数 (uint16 10)\n" 133"||\n" 134"'1400' -- height - 縦セル数 (uint16 20)\n" 135")::raster\n" 136"),\n" 137"-- Raster: 5 x 5 pixels, 3 bands, PT_8BUI pixel type, NODATA = 0\n" 138"(2, ('01000003009A9999999999A93F9A9999999999A9BF000000E02B274A' ||\n" 139"'41000000007719564100000000000000000000000000000000FFFFFFFF050005000400FDFEFDFEFEFDFEFEFDF9FAFEF' " 140"||\n" 141"'EFCF9FBFDFEFEFDFCFAFEFEFE04004E627AADD16076B4F9FE6370A9F5FE59637AB0E54F58617087040046566487A1506CA2E3FA5A6CAFFBFE4D566DA4CB3E454C5665')::" 142"raster);" 143 144#. Tag: para 145#: reference_raster.xml:17 146#, no-c-format 147msgid "" 148"This section lists the PostgreSQL data types specifically created to support " 149"raster functionality." 150msgstr "" 151"本節では、ラスタ機能をサポートするために作られたPostgreSQLデータ型の一覧を挙" 152"げます。" 153 154#. Tag: title 155#: reference_raster.xml:20 156#, no-c-format 157msgid "Raster Support Data types" 158msgstr "ラスタサポートデータ型" 159 160#. Tag: refname 161#: reference_raster.xml:24 162#, no-c-format 163msgid "geomval" 164msgstr "geomval" 165 166#. Tag: refpurpose 167#: reference_raster.xml:25 168#, no-c-format 169msgid "" 170"A spatial datatype with two fields - geom (holding a geometry object) and " 171"val (holding a double precision pixel value from a raster band)." 172msgstr "" 173"geom (ジオメトリオブジェクトを保持)とval (ラスタバンドからのピクセル値を倍精" 174"度浮動小数点数で保持)の2フィールドからなるデータ型。" 175 176#. Tag: title 177#: reference_raster.xml:30 reference_raster.xml:49 reference_raster.xml:121 178#: reference_raster.xml:171 reference_raster.xml:211 reference_raster.xml:257 179#: reference_raster.xml:354 reference_raster.xml:535 reference_raster.xml:709 180#: reference_raster.xml:776 reference_raster.xml:845 reference_raster.xml:888 181#: reference_raster.xml:923 reference_raster.xml:960 reference_raster.xml:1003 182#: reference_raster.xml:1064 reference_raster.xml:1109 183#: reference_raster.xml:1224 reference_raster.xml:1433 184#: reference_raster.xml:1520 reference_raster.xml:1606 185#: reference_raster.xml:1663 reference_raster.xml:1730 186#: reference_raster.xml:1795 reference_raster.xml:1837 187#: reference_raster.xml:1887 reference_raster.xml:1926 188#: reference_raster.xml:1960 reference_raster.xml:1997 189#: reference_raster.xml:2040 reference_raster.xml:2075 190#: reference_raster.xml:2109 reference_raster.xml:2159 191#: reference_raster.xml:2213 reference_raster.xml:2250 192#: reference_raster.xml:2290 reference_raster.xml:2345 193#: reference_raster.xml:2400 reference_raster.xml:2446 194#: reference_raster.xml:2481 reference_raster.xml:2517 195#: reference_raster.xml:2553 reference_raster.xml:2588 196#: reference_raster.xml:2627 reference_raster.xml:2661 197#: reference_raster.xml:2695 reference_raster.xml:2739 198#: reference_raster.xml:2801 reference_raster.xml:2856 199#: reference_raster.xml:2902 reference_raster.xml:2964 200#: reference_raster.xml:3006 reference_raster.xml:3057 201#: reference_raster.xml:3092 reference_raster.xml:3128 202#: reference_raster.xml:3162 reference_raster.xml:3237 203#: reference_raster.xml:3280 reference_raster.xml:3326 204#: reference_raster.xml:3388 reference_raster.xml:3431 205#: reference_raster.xml:3486 reference_raster.xml:3529 206#: reference_raster.xml:3605 reference_raster.xml:3692 207#: reference_raster.xml:3779 reference_raster.xml:3867 208#: reference_raster.xml:3952 reference_raster.xml:4078 209#: reference_raster.xml:4175 reference_raster.xml:4227 210#: reference_raster.xml:4275 reference_raster.xml:4318 211#: reference_raster.xml:4365 reference_raster.xml:4409 212#: reference_raster.xml:4447 reference_raster.xml:4522 213#: reference_raster.xml:4591 reference_raster.xml:4659 214#: reference_raster.xml:4736 reference_raster.xml:4808 215#: reference_raster.xml:4887 reference_raster.xml:4995 216#: reference_raster.xml:5030 reference_raster.xml:5077 217#: reference_raster.xml:5130 reference_raster.xml:5205 218#: reference_raster.xml:5270 reference_raster.xml:5383 219#: reference_raster.xml:5504 reference_raster.xml:5570 220#: reference_raster.xml:5649 reference_raster.xml:5795 221#: reference_raster.xml:5837 reference_raster.xml:5880 222#: reference_raster.xml:5934 reference_raster.xml:5987 223#: reference_raster.xml:6039 reference_raster.xml:6134 224#: reference_raster.xml:6225 reference_raster.xml:6313 225#: reference_raster.xml:6424 reference_raster.xml:6617 226#: reference_raster.xml:6856 reference_raster.xml:6999 227#: reference_raster.xml:7148 reference_raster.xml:7478 228#: reference_raster.xml:7684 reference_raster.xml:7808 229#: reference_raster.xml:8134 reference_raster.xml:8252 230#: reference_raster.xml:8365 reference_raster.xml:8507 231#: reference_raster.xml:8593 reference_raster.xml:8665 232#: reference_raster.xml:8729 reference_raster.xml:8800 233#: reference_raster.xml:8875 reference_raster.xml:8958 234#: reference_raster.xml:9029 reference_raster.xml:9085 235#: reference_raster.xml:9160 reference_raster.xml:9231 236#: reference_raster.xml:9315 reference_raster.xml:9407 237#: reference_raster.xml:9489 reference_raster.xml:9543 238#: reference_raster.xml:9617 reference_raster.xml:9665 239#: reference_raster.xml:9717 reference_raster.xml:9759 240#: reference_raster.xml:9807 reference_raster.xml:9858 241#: reference_raster.xml:9906 reference_raster.xml:9948 242#: reference_raster.xml:10022 reference_raster.xml:10067 243#: reference_raster.xml:10111 reference_raster.xml:10156 244#: reference_raster.xml:10225 reference_raster.xml:10272 245#: reference_raster.xml:10345 reference_raster.xml:10413 246#: reference_raster.xml:10502 reference_raster.xml:10587 247#: reference_raster.xml:10668 reference_raster.xml:10749 248#: reference_raster.xml:10878 reference_raster.xml:10962 249#: reference_raster.xml:11042 reference_raster.xml:11161 250#: reference_raster.xml:11208 reference_raster.xml:11280 251#: reference_raster.xml:11377 reference_raster.xml:11470 252#, no-c-format 253msgid "Description" 254msgstr "説明" 255 256#. Tag: para 257#: reference_raster.xml:31 258#, no-c-format 259msgid "" 260"geomval is a compound data type consisting of a geometry object referenced " 261"by the .geom field and val, a double precision value that represents the " 262"pixel value at a particular geometric location in a raster band. It is used " 263"by the ST_DumpAsPolygon and Raster intersection family of functions as an " 264"output type to explode a raster band into geometry polygons." 265msgstr "" 266"geomvalは.geomフィールドで参照されるジオメトリオブジェクトと、特定の地理位置" 267"におけるラスタバンドのピクセル値を表現する浮動小数点数のvalからなる複合型で" 268"す。ポリゴンにラスタバンドを展開するための出力型として、ST_DumpAsPolygonとラ" 269"スタのインタセクション関連関数群に使われます。" 270 271#. Tag: title 272#: reference_raster.xml:37 reference_raster.xml:107 reference_raster.xml:157 273#: reference_raster.xml:200 reference_raster.xml:245 reference_raster.xml:340 274#: reference_raster.xml:389 reference_raster.xml:583 reference_raster.xml:724 275#: reference_raster.xml:802 reference_raster.xml:862 reference_raster.xml:898 276#: reference_raster.xml:935 reference_raster.xml:973 reference_raster.xml:1028 277#: reference_raster.xml:1079 reference_raster.xml:1138 278#: reference_raster.xml:1268 reference_raster.xml:1485 279#: reference_raster.xml:1575 reference_raster.xml:1620 280#: reference_raster.xml:1683 reference_raster.xml:1759 281#: reference_raster.xml:1810 reference_raster.xml:1858 282#: reference_raster.xml:1905 reference_raster.xml:1939 283#: reference_raster.xml:1975 reference_raster.xml:2018 284#: reference_raster.xml:2054 reference_raster.xml:2088 285#: reference_raster.xml:2132 reference_raster.xml:2192 286#: reference_raster.xml:2229 reference_raster.xml:2267 287#: reference_raster.xml:2312 reference_raster.xml:2371 288#: reference_raster.xml:2425 reference_raster.xml:2460 289#: reference_raster.xml:2496 reference_raster.xml:2532 290#: reference_raster.xml:2567 reference_raster.xml:2601 291#: reference_raster.xml:2640 reference_raster.xml:2674 292#: reference_raster.xml:2709 reference_raster.xml:2759 293#: reference_raster.xml:2816 reference_raster.xml:2871 294#: reference_raster.xml:2942 reference_raster.xml:2977 295#: reference_raster.xml:3032 reference_raster.xml:3070 296#: reference_raster.xml:3215 reference_raster.xml:3252 297#: reference_raster.xml:3294 reference_raster.xml:3356 298#: reference_raster.xml:3399 reference_raster.xml:3454 299#: reference_raster.xml:3497 reference_raster.xml:3552 300#: reference_raster.xml:3627 reference_raster.xml:3717 301#: reference_raster.xml:3811 reference_raster.xml:3882 302#: reference_raster.xml:4031 reference_raster.xml:4097 303#: reference_raster.xml:4253 reference_raster.xml:4288 304#: reference_raster.xml:4337 reference_raster.xml:4382 305#: reference_raster.xml:4422 reference_raster.xml:4460 306#: reference_raster.xml:4552 reference_raster.xml:4617 307#: reference_raster.xml:4686 reference_raster.xml:4764 308#: reference_raster.xml:4838 reference_raster.xml:4960 309#: reference_raster.xml:5008 reference_raster.xml:5049 310#: reference_raster.xml:5102 reference_raster.xml:5155 311#: reference_raster.xml:5226 reference_raster.xml:5287 312#: reference_raster.xml:5418 reference_raster.xml:5519 313#: reference_raster.xml:5606 reference_raster.xml:5666 314#: reference_raster.xml:5813 reference_raster.xml:5854 315#: reference_raster.xml:5897 reference_raster.xml:5962 316#: reference_raster.xml:6010 reference_raster.xml:6088 317#: reference_raster.xml:6179 reference_raster.xml:6270 318#: reference_raster.xml:6350 reference_raster.xml:6580 319#: reference_raster.xml:6814 reference_raster.xml:6923 320#: reference_raster.xml:7058 reference_raster.xml:7409 321#: reference_raster.xml:7645 reference_raster.xml:7758 322#: reference_raster.xml:8050 reference_raster.xml:8209 323#: reference_raster.xml:8332 reference_raster.xml:8465 324#: reference_raster.xml:8536 reference_raster.xml:8624 325#: reference_raster.xml:8697 reference_raster.xml:8767 326#: reference_raster.xml:8836 reference_raster.xml:8918 327#: reference_raster.xml:8997 reference_raster.xml:9052 328#: reference_raster.xml:9121 reference_raster.xml:9192 329#: reference_raster.xml:9267 reference_raster.xml:9360 330#: reference_raster.xml:9457 reference_raster.xml:9500 331#: reference_raster.xml:9585 reference_raster.xml:9633 332#: reference_raster.xml:9684 reference_raster.xml:9734 333#: reference_raster.xml:9779 reference_raster.xml:9832 334#: reference_raster.xml:9878 reference_raster.xml:9921 335#: reference_raster.xml:9960 reference_raster.xml:10170 336#: reference_raster.xml:10238 reference_raster.xml:10291 337#: reference_raster.xml:10357 reference_raster.xml:10448 338#: reference_raster.xml:10533 reference_raster.xml:10614 339#: reference_raster.xml:10695 reference_raster.xml:10779 340#: reference_raster.xml:10908 reference_raster.xml:10989 341#: reference_raster.xml:11069 reference_raster.xml:11182 342#: reference_raster.xml:11226 reference_raster.xml:11313 343#: reference_raster.xml:11408 reference_raster.xml:11501 344#, no-c-format 345msgid "See Also" 346msgstr "関連情報" 347 348#. Tag: refname 349#: reference_raster.xml:44 350#, no-c-format 351msgid "addbandarg" 352msgstr "addbandarg" 353 354#. Tag: refpurpose 355#: reference_raster.xml:45 356#, no-c-format 357msgid "" 358"<refpurpose>A composite type used as input into the ST_AddBand function " 359"defining the attributes and initial value of the new band.</refpurpose>" 360msgstr "" 361"<refpurpose>ST_AddBandの入力に使われる複合型で、新しいバンドの属性と初期値か" 362"らなります。</refpurpose>" 363 364#. Tag: para 365#: reference_raster.xml:50 366#, no-c-format 367msgid "" 368"<para>A composite type used as input into the ST_AddBand function defining " 369"the attributes and initial value of the new band.</para>" 370msgstr "" 371"<para>ST_AddBandの入力に使われる複合型で、新しいバンドの属性と初期値からなり" 372"ます。</para>" 373 374#. Tag: term 375#: reference_raster.xml:55 376#, no-c-format 377msgid "<parameter>index </parameter> <type>integer</type>" 378msgstr "<parameter>index </parameter> <type>integer</type>" 379 380#. Tag: para 381#: reference_raster.xml:60 382#, no-c-format 383msgid "" 384"1-based value indicating the position where the new band will be added " 385"amongst the raster's bands. If NULL, the new band will be added at the end " 386"of the raster's bands." 387msgstr "" 388"ラスタのバンド群のうち新しいバンドが追加される位置を示す1始まりの値。NULLの場" 389"合には、新しいバンドはラスタバンド群の末尾に追加されます。" 390 391#. Tag: term 392#: reference_raster.xml:67 393#, no-c-format 394msgid "<parameter>pixeltype </parameter> <type>text</type>" 395msgstr "<parameter>pixeltype </parameter> <type>text</type>" 396 397#. Tag: para 398#: reference_raster.xml:72 399#, no-c-format 400msgid "" 401"Pixel type of the new band. One of defined pixel types as described in <xref " 402"linkend=\"RT_ST_BandPixelType\"/>." 403msgstr "" 404"新しいバンドのピクセルタイプ。定義されたピクセルタイプは<xref linkend=" 405"\"RT_ST_BandPixelType\"/>に記述されています。" 406 407#. Tag: term 408#: reference_raster.xml:79 409#, no-c-format 410msgid "<parameter>initialvalue </parameter> <type>double precision</type>" 411msgstr "<parameter>initialvalue </parameter> <type>double precision</type>" 412 413#. Tag: para 414#: reference_raster.xml:84 415#, no-c-format 416msgid "Initial value that all pixels of new band will be set to." 417msgstr "新しいバンドに設定する初期値。" 418 419#. Tag: term 420#: reference_raster.xml:91 421#, no-c-format 422msgid "<parameter>nodataval </parameter> <type>double precision</type>" 423msgstr "<parameter>nodataval </parameter> <type>double precision</type>" 424 425#. Tag: para 426#: reference_raster.xml:96 427#, no-c-format 428msgid "" 429"NODATA value of the new band. If NULL, the new band will not have a NODATA " 430"value assigned." 431msgstr "" 432"新しいバンドのNODATA値。NULLの場合には、新しいバンドにNODATA値を設定しませ" 433"ん。" 434 435#. Tag: refname 436#: reference_raster.xml:116 437#, no-c-format 438msgid "rastbandarg" 439msgstr "rastbandarg" 440 441#. Tag: refpurpose 442#: reference_raster.xml:117 443#, no-c-format 444msgid "" 445"<refpurpose>A composite type for use when needing to express a raster and a " 446"band index of that raster.</refpurpose>" 447msgstr "" 448"<refpurpose>ラスタとそのバンドインデクスを表現する必要がある時に使われる複合" 449"型。</refpurpose>" 450 451#. Tag: para 452#: reference_raster.xml:122 453#, no-c-format 454msgid "" 455"<para>A composite type for use when needing to express a raster and a band " 456"index of that raster.</para>" 457msgstr "" 458"<para>ラスタとそのバンドインデクスを表現する必要がある時に使われる複合型。</" 459"para>" 460 461#. Tag: term 462#: reference_raster.xml:128 463#, no-c-format 464msgid "<parameter>rast </parameter> <type>raster</type>" 465msgstr "<parameter>rast </parameter> <type>raster</type>" 466 467#. Tag: para 468#: reference_raster.xml:133 469#, no-c-format 470msgid "The raster in question/" 471msgstr "問題にするラスタ。" 472 473#. Tag: term 474#: reference_raster.xml:140 reference_raster.xml:360 475#, no-c-format 476msgid "<parameter>nband </parameter> <type>integer</type>" 477msgstr "<parameter>nband </parameter> <type>integer</type>" 478 479#. Tag: para 480#: reference_raster.xml:145 481#, no-c-format 482msgid "1-based value indicating the band of raster" 483msgstr "ラスタのバンドを示す1始まりの値。" 484 485#. Tag: refname 486#: reference_raster.xml:166 487#, no-c-format 488msgid "raster" 489msgstr "raster" 490 491#. Tag: refpurpose 492#: reference_raster.xml:167 493#, no-c-format 494msgid "raster spatial data type." 495msgstr "ラスタ空間データ型。" 496 497#. Tag: para 498#: reference_raster.xml:172 499#, no-c-format 500msgid "" 501"raster is a spatial data type used to represent raster data such as those " 502"imported from JPEGs, TIFFs, PNGs, digital elevation models. Each raster has " 503"1 or more bands each having a set of pixel values. Rasters can be " 504"georeferenced." 505msgstr "" 506"rasterは、JPEG, TIFF, PNG, デジタル標高モデルといったラスタデータを表現する空" 507"間データ型です。ラスタはそれぞれ1以上のバンドを持ち、バンドはそれぞれにピクセ" 508"ル値の集合を持ちます。ラスタには地理参照を与えることができます。" 509 510#. Tag: para 511#: reference_raster.xml:175 512#, no-c-format 513msgid "" 514"Requires PostGIS be compiled with GDAL support. Currently rasters can be " 515"implicitly converted to geometry type, but the conversion returns the <xref " 516"linkend=\"RT_ST_ConvexHull\"/> of the raster. This auto casting may be " 517"removed in the near future so don't rely on it." 518msgstr "" 519"PostGISをGDALサポート付きでコンパイルする必要があります。 現在、ラスタは暗黙" 520"にジオメトリ型に変換することができますが、ラスタの<xref linkend=" 521"\"RT_ST_ConvexHull\"/>を返します。この自動キャストは近いうちに削除するかも知" 522"れないので、この関数に頼らないようにして下さい。" 523 524#. Tag: title 525#: reference_raster.xml:181 526#, no-c-format 527msgid "Casting Behavior" 528msgstr "キャストの挙動" 529 530#. Tag: para 531#: reference_raster.xml:182 532#, no-c-format 533msgid "" 534"This section lists the automatic as well as explicit casts allowed for this " 535"data type" 536msgstr "" 537"本節では、このデータ型で許容される明示的なキャストと自動キャストの一覧を挙げ" 538"ます。" 539 540#. Tag: entry 541#: reference_raster.xml:187 542#, no-c-format 543msgid "Cast To" 544msgstr "キャスト先" 545 546#. Tag: entry 547#: reference_raster.xml:188 548#, no-c-format 549msgid "Behavior" 550msgstr "挙動" 551 552#. Tag: entry 553#: reference_raster.xml:191 554#, no-c-format 555msgid "geometry" 556msgstr "geometry" 557 558#. Tag: entry 559#: reference_raster.xml:192 560#, no-c-format 561msgid "automatic" 562msgstr "自動" 563 564#. Tag: refname 565#: reference_raster.xml:207 566#, no-c-format 567msgid "reclassarg" 568msgstr "reclassarg" 569 570#. Tag: refpurpose 571#: reference_raster.xml:208 572#, no-c-format 573msgid "" 574"<refpurpose>A composite type used as input into the ST_Reclass function " 575"defining the behavior of reclassification.</refpurpose>" 576msgstr "" 577"<refpurpose>ST_Reclass関数への入力として使用する複合型です。再分類の挙動を定" 578"義します。</refpurpose>" 579 580#. Tag: para 581#: reference_raster.xml:212 582#, no-c-format 583msgid "" 584"<para>A composite type used as input into the ST_Reclass function defining " 585"the behavior of reclassification.</para>" 586msgstr "" 587"<para>ST_Reclass関数への入力として使用する複合型です。再分類の挙動を定義しま" 588"す。</para>" 589 590#. Tag: term 591#: reference_raster.xml:215 592#, no-c-format 593msgid "<parameter>nband </parameter><type>integer</type>" 594msgstr "<parameter>nband </parameter><type>integer</type>" 595 596#. Tag: para 597#: reference_raster.xml:216 598#, no-c-format 599msgid "The band number of band to reclassify." 600msgstr "再分類対象バンドの番号。" 601 602#. Tag: term 603#: reference_raster.xml:219 604#, no-c-format 605msgid "<parameter>reclassexpr </parameter><type>text</type>" 606msgstr "<parameter>reclassexpr </parameter><type>text</type>" 607 608#. Tag: para 609#: reference_raster.xml:220 610#, no-c-format 611msgid "" 612"range expression consisting of comma delimited range:map_range mappings. : " 613"to define mapping that defines how to map old band values to new band " 614"values. ( means >, ) means less than, ] < or equal, [ means > or " 615"equal" 616msgstr "" 617"コンマ区切りの範囲表現。古い値から新しい値にマップする方法を定義します。 " 618"'('は「これより大きい」、')'は「これより小さい」、'['は「これ以上」、']'は" 619"「これ以下」、をそれぞれ示します。" 620 621#. Tag: programlisting 622#: reference_raster.xml:221 623#, no-c-format 624msgid "" 625"1. [a-b] = a <= x <= b\n" 626"\n" 627"2. (a-b] = a < x <= b\n" 628"\n" 629"3. [a-b) = a <= x < b\n" 630"\n" 631"4. (a-b) = a < x < b" 632msgstr "" 633"1. [a-b] = a <= x <= b\n" 634"\n" 635"2. (a-b] = a < x <= b\n" 636"\n" 637"3. [a-b) = a <= x < b\n" 638"\n" 639"4. (a-b) = a < x < b" 640 641#. Tag: para 642#: reference_raster.xml:222 643#, no-c-format 644msgid "( notation is optional so a-b means the same as (a-b)" 645msgstr "'('標記はオプションです。'a-b'は'(a-b)'と同じ意味になります。" 646 647#. Tag: term 648#: reference_raster.xml:227 649#, no-c-format 650msgid "<parameter>pixeltype </parameter><type>text</type>" 651msgstr "<parameter>pixeltype </parameter><type>text</type>" 652 653#. Tag: para 654#: reference_raster.xml:228 655#, no-c-format 656msgid "" 657"One of defined pixel types as described in <xref linkend=" 658"\"RT_ST_BandPixelType\"/>" 659msgstr "" 660"<xref linkend=\"RT_ST_BandPixelType\"/>の記述にあるピクセルタイプの一つ。" 661 662#. Tag: term 663#: reference_raster.xml:231 664#, no-c-format 665msgid "<parameter>nodataval </parameter><type>double precision</type>" 666msgstr "<parameter>nodataval </parameter><type>double precision</type>" 667 668#. Tag: para 669#: reference_raster.xml:232 670#, no-c-format 671msgid "" 672"Value to treat as no data. For image outputs that support transparency, " 673"these will be blank." 674msgstr "NODATAとして扱う値。透過が可能な画像出力では、この値は空白になります。" 675 676#. Tag: title 677#: reference_raster.xml:237 678#, no-c-format 679msgid "Example: Reclassify band 2 as an 8BUI where 255 is nodata value" 680msgstr "例: 2番バンドを8BUIで255をNODATAに再分類" 681 682#. Tag: programlisting 683#: reference_raster.xml:238 684#, no-c-format 685msgid "" 686"SELECT ROW(2, '0-100:1-10, 101-500:11-150,501 - 10000: 151-254', '8BUI', " 687"255)::reclassarg;" 688msgstr "" 689"SELECT ROW(2, '0-100:1-10, 101-500:11-150,501 - 10000: 151-254', '8BUI', " 690"255)::reclassarg;" 691 692#. Tag: title 693#: reference_raster.xml:241 694#, no-c-format 695msgid "Example: Reclassify band 1 as an 1BB and no nodata value defined" 696msgstr "例: 1番バンドを1BBでNODATAを定義しないで再分類" 697 698#. Tag: programlisting 699#: reference_raster.xml:242 700#, no-c-format 701msgid "SELECT ROW(1, '0-100]:0, (100-255:1', '1BB', NULL)::reclassarg;" 702msgstr "SELECT ROW(1, '0-100]:0, (100-255:1', '1BB', NULL)::reclassarg;" 703 704#. Tag: refname 705#: reference_raster.xml:252 706#, no-c-format 707msgid "summarystats" 708msgstr "summarystats" 709 710#. Tag: refpurpose 711#: reference_raster.xml:253 712#, no-c-format 713msgid "" 714"A composite type returned by the ST_SummaryStats and ST_SummaryStatsAgg " 715"functions." 716msgstr "" 717"ST_SummaryStats関数とST_SummaryStatsAgg関数の出力として使う複合型です。" 718 719#. Tag: para 720#: reference_raster.xml:258 721#, no-c-format 722msgid "" 723"A composite type returned by the <xref linkend=\"RT_ST_SummaryStats\"/> and " 724"<xref linkend=\"RT_ST_SummaryStatsAgg\"/> functions." 725msgstr "" 726"<xref linkend=\"RT_ST_SummaryStats\"/>関数と<xref linkend=" 727"\"RT_ST_SummaryStatsAgg\"/>関数の出力として使う複合型です。" 728 729#. Tag: term 730#: reference_raster.xml:263 731#, no-c-format 732msgid "<parameter>count </parameter> <type>integer</type>" 733msgstr "<parameter>count </parameter> <type>integer</type>" 734 735#. Tag: para 736#: reference_raster.xml:268 737#, no-c-format 738msgid "Number of pixels counted for the summary statistics." 739msgstr "統計情報で使ったピクセルの数。" 740 741#. Tag: term 742#: reference_raster.xml:275 743#, no-c-format 744msgid "<parameter>sum </parameter> <type>double precision</type>" 745msgstr "<parameter>sum </parameter> <type>double precision</type>" 746 747#. Tag: para 748#: reference_raster.xml:280 749#, no-c-format 750msgid "Sum of all counted pixel values." 751msgstr "統計情報で使ったピクセルの値の合計。" 752 753#. Tag: term 754#: reference_raster.xml:287 755#, no-c-format 756msgid "<parameter>mean </parameter> <type>double precision</type>" 757msgstr "<parameter>mean </parameter> <type>double precision</type>" 758 759#. Tag: para 760#: reference_raster.xml:292 761#, no-c-format 762msgid "Arithmetic mean of all counted pixel values." 763msgstr "統計情報で使ったピクセルの値の平均。" 764 765#. Tag: term 766#: reference_raster.xml:299 767#, no-c-format 768msgid "<parameter>stddev </parameter> <type>double precision</type>" 769msgstr "<parameter>stddev </parameter> <type>double precision</type>" 770 771#. Tag: para 772#: reference_raster.xml:304 773#, no-c-format 774msgid "Standard deviation of all counted pixel values." 775msgstr "統計情報で使ったピクセルの値の標準偏差。" 776 777#. Tag: term 778#: reference_raster.xml:311 779#, no-c-format 780msgid "<parameter>min </parameter> <type>double precision</type>" 781msgstr "<parameter>min </parameter> <type>double precision</type>" 782 783#. Tag: para 784#: reference_raster.xml:316 785#, no-c-format 786msgid "Minimum value of counted pixel values." 787msgstr "統計情報で使ったピクセルの値の最小値。" 788 789#. Tag: term 790#: reference_raster.xml:323 791#, no-c-format 792msgid "<parameter>max </parameter> <type>double precision</type>" 793msgstr "<parameter>max </parameter> <type>double precision</type>" 794 795#. Tag: para 796#: reference_raster.xml:328 797#, no-c-format 798msgid "Maximum value of counted pixel values." 799msgstr "統計情報で使ったピクセルの値の最大値。" 800 801#. Tag: para 802#: reference_raster.xml:341 803#, no-c-format 804msgid ", <xref linkend=\"RT_ST_SummaryStatsAgg\"/>" 805msgstr ", <xref linkend=\"RT_ST_SummaryStatsAgg\"/>" 806 807#. Tag: refname 808#: reference_raster.xml:349 809#, no-c-format 810msgid "unionarg" 811msgstr "unionarg" 812 813#. Tag: refpurpose 814#: reference_raster.xml:350 815#, no-c-format 816msgid "" 817"<refpurpose>A composite type used as input into the ST_Union function " 818"defining the bands to be processed and behavior of the UNION operation.</" 819"refpurpose>" 820msgstr "" 821"<refpurpose>ST_Union関数の入力に使う複合型です。処理するバンドと結合処理の挙" 822"動を定義します。</refpurpose>" 823 824#. Tag: para 825#: reference_raster.xml:355 826#, no-c-format 827msgid "" 828"<para>A composite type used as input into the ST_Union function defining the " 829"bands to be processed and behavior of the UNION operation.</para>" 830msgstr "" 831"<para>ST_Union関数の入力に使う複合型です。処理するバンドと結合処理の挙動を定" 832"義します。</para>" 833 834#. Tag: para 835#: reference_raster.xml:365 836#, no-c-format 837msgid "1-based value indicating the band of each input raster to be processed." 838msgstr "処理する入力ラスタごとのバンドを示す1始まりの値です。" 839 840#. Tag: term 841#: reference_raster.xml:372 842#, no-c-format 843msgid "<parameter>uniontype </parameter> <type>text</type>" 844msgstr "<parameter>uniontype </parameter> <type>text</type>" 845 846#. Tag: para 847#: reference_raster.xml:377 848#, no-c-format 849msgid "" 850"Type of UNION operation. One of defined types as described in <xref linkend=" 851"\"RT_ST_Union\"/>." 852msgstr "" 853"結合処理の種別。<xref linkend=\"RT_ST_Union\"/>に記述がある、定義された種別の" 854"うち一つを取ります。" 855 856#. Tag: title 857#: reference_raster.xml:399 858#, no-c-format 859msgid "Raster Management" 860msgstr "ラスタ管理" 861 862#. Tag: refname 863#: reference_raster.xml:402 864#, no-c-format 865msgid "AddRasterConstraints" 866msgstr "AddRasterConstraints" 867 868#. Tag: refpurpose 869#: reference_raster.xml:404 870#, no-c-format 871msgid "" 872"Adds raster constraints to a loaded raster table for a specific column that " 873"constrains spatial ref, scaling, blocksize, alignment, bands, band type and " 874"a flag to denote if raster column is regularly blocked. The table must be " 875"loaded with data for the constraints to be inferred. Returns true if the " 876"constraint setting was accomplished and issues a notice otherwise." 877msgstr "" 878"ロードされたラスタテーブルの特定のカラムにラスタ制約を追加します。制約には空" 879"間参照系、スケール、ブロックサイズ、アラインメント、バンド数、バンド型、ラス" 880"タカラムが規則正しいブロックかどうかを示すフラグがあります。テーブルは制約が" 881"推論されるためのデータがロードされなければなりません。制約の設定が完了すると" 882"trueを返し、問題があると通知を返します。" 883 884#. Tag: funcsynopsis 885#: reference_raster.xml:408 886#, fuzzy, no-c-format 887msgid "" 888"<funcprototype> <funcdef>boolean <function>AddRasterConstraints</function></" 889"funcdef> <paramdef><type>name </type> <parameter>rasttable</parameter></" 890"paramdef> <paramdef><type>name </type> <parameter>rastcolumn</parameter></" 891"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 892"<parameter>srid=true</parameter></paramdef> <paramdef choice=\"opt" 893"\"><type>boolean </type> <parameter>scale_x=true</parameter></paramdef> " 894"<paramdef choice=\"opt\"><type>boolean </type> <parameter>scale_y=true</" 895"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 896"<parameter>blocksize_x=true</parameter></paramdef> <paramdef choice=\"opt" 897"\"><type>boolean </type> <parameter>blocksize_y=true</parameter></paramdef> " 898"<paramdef choice=\"opt\"><type>boolean </type> " 899"<parameter>same_alignment=true</parameter></paramdef> <paramdef choice=\"opt" 900"\"><type>boolean </type> <parameter>regular_blocking=false</parameter></" 901"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 902"<parameter>num_bands=true</parameter> </paramdef> <paramdef choice=\"opt" 903"\"><type>boolean </type> <parameter>pixel_types=true</parameter> </paramdef> " 904"<paramdef choice=\"opt\"><type>boolean </type> " 905"<parameter>nodata_values=true</parameter> </paramdef> <paramdef choice=\"opt" 906"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 907"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 908"parameter> </paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 909"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 910"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 911"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 912"type> <parameter>VARIADIC constraints</parameter></paramdef> </" 913"funcprototype> <funcprototype> <funcdef>boolean " 914"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 915"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 916"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 917"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 918"type> <parameter>VARIADIC constraints</parameter></paramdef> </" 919"funcprototype> <funcprototype> <funcdef>boolean " 920"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 921"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 922"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 923"type> <parameter>rastcolumn</parameter></paramdef> <paramdef choice=\"opt" 924"\"><type>boolean </type> <parameter>srid=true</parameter></paramdef> " 925"<paramdef choice=\"opt\"><type>boolean </type> <parameter>scale_x=true</" 926"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 927"<parameter>scale_y=true</parameter></paramdef> <paramdef choice=\"opt" 928"\"><type>boolean </type> <parameter>blocksize_x=true</parameter></paramdef> " 929"<paramdef choice=\"opt\"><type>boolean </type> <parameter>blocksize_y=true</" 930"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 931"<parameter>same_alignment=true</parameter></paramdef> <paramdef choice=\"opt" 932"\"><type>boolean </type> <parameter>regular_blocking=false</parameter></" 933"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 934"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 935"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 936"<paramdef choice=\"opt\"><type>boolean </type> " 937"<parameter>nodata_values=true</parameter> </paramdef> <paramdef choice=\"opt" 938"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 939"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 940"parameter> </paramdef> </funcprototype>" 941msgstr "" 942"<funcprototype> <funcdef>boolean <function>AddRasterConstraints</function></" 943"funcdef> <paramdef><type>name </type> <parameter>rasttable</parameter></" 944"paramdef> <paramdef><type>name </type> <parameter>rastcolumn</parameter></" 945"paramdef> <paramdef><type>boolean </type> <parameter>srid</parameter></" 946"paramdef> <paramdef><type>boolean </type> <parameter>scale_x</parameter></" 947"paramdef> <paramdef><type>boolean </type> <parameter>scale_y</parameter></" 948"paramdef> <paramdef><type>boolean </type> <parameter>blocksize_x</" 949"parameter></paramdef> <paramdef><type>boolean </type> " 950"<parameter>blocksize_y</parameter></paramdef> <paramdef><type>boolean </" 951"type> <parameter>same_alignment</parameter></paramdef> " 952"<paramdef><type>boolean </type> <parameter>regular_blocking</parameter></" 953"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 954"<parameter>num_bands=true</parameter> </paramdef> <paramdef choice=\"opt" 955"\"><type>boolean </type> <parameter>pixel_types=true</parameter> </paramdef> " 956"<paramdef choice=\"opt\"><type>boolean </type> " 957"<parameter>nodata_values=true</parameter> </paramdef> <paramdef choice=\"opt" 958"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 959"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 960"parameter> </paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 961"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 962"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 963"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 964"type> <parameter>VARIADIC constraints</parameter></paramdef> </" 965"funcprototype> <funcprototype> <funcdef>boolean " 966"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 967"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 968"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 969"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 970"type> <parameter>VARIADIC constraints</parameter></paramdef> </" 971"funcprototype> <funcprototype> <funcdef>boolean " 972"<function>AddRasterConstraints</function></funcdef> <paramdef><type>name </" 973"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 974"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 975"type> <parameter>rastcolumn</parameter></paramdef> <paramdef choice=\"opt" 976"\"><type>boolean </type> <parameter>srid=true</parameter></paramdef> " 977"<paramdef choice=\"opt\"><type>boolean </type> <parameter>scale_x=true</" 978"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 979"<parameter>scale_y=true</parameter></paramdef> <paramdef choice=\"opt" 980"\"><type>boolean </type> <parameter>blocksize_x=true</parameter></paramdef> " 981"<paramdef choice=\"opt\"><type>boolean </type> <parameter>blocksize_y=true</" 982"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 983"<parameter>same_alignment=true</parameter></paramdef> <paramdef choice=\"opt" 984"\"><type>boolean </type> <parameter>regular_blocking=false</parameter></" 985"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 986"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 987"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 988"<paramdef choice=\"opt\"><type>boolean </type> " 989"<parameter>nodata_values=true</parameter> </paramdef> <paramdef choice=\"opt" 990"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 991"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 992"parameter> </paramdef> </funcprototype>" 993 994#. Tag: para 995#: reference_raster.xml:537 996#, no-c-format 997msgid "" 998"Generates constraints on a raster column that are used to display " 999"information in the <varname>raster_columns</varname> raster catalog. The " 1000"<varname>rastschema</varname> is the name of the table schema the table " 1001"resides in. The <varname>srid</varname> must be an integer value reference " 1002"to an entry in the SPATIAL_REF_SYS table." 1003msgstr "" 1004"ラスタカラム上に、ラスタカタログ<varname>raster_columns</varname>で情報を表示" 1005"するために使われる制約を生成します。<varname>rastschema</varname>は、テーブル" 1006"があるテーブルスキーマの名前です。<varname>srid</varname>はSPATIAL_REF_SYS" 1007"テーブル内のエントリを参照する整数でなければなりません。" 1008 1009#. Tag: para 1010#: reference_raster.xml:542 1011#, no-c-format 1012msgid "" 1013"<varname>raster2pgsql</varname> loader uses this function to register raster " 1014"tables" 1015msgstr "" 1016"<varname>raster2pgsql</varname>はこの関数を使ってラスタテーブルを登録します。" 1017 1018#. Tag: para 1019#: reference_raster.xml:543 1020#, no-c-format 1021msgid "" 1022"Valid constraint names to pass in: refer to <xref linkend=\"RT_Raster_Columns" 1023"\"/> for more details." 1024msgstr "" 1025"渡すのに妥当な制約名は次の通りです。詳細情報については<xref linkend=" 1026"\"RT_Raster_Columns\"/>を参照して下さい。" 1027 1028#. Tag: para 1029#: reference_raster.xml:545 1030#, no-c-format 1031msgid "<varname>blocksize</varname> sets both X and Y blocksize" 1032msgstr "<varname>blocksize</varname> ブロックのXとY両方のサイズを指定します" 1033 1034#. Tag: para 1035#: reference_raster.xml:546 1036#, no-c-format 1037msgid "" 1038"<varname>blocksize_x</varname> sets X tile (width in pixels of each tile)" 1039msgstr "" 1040"<varname>blocksize_x</varname> Xタイル(タイル毎のピクセル幅)を設定します" 1041 1042#. Tag: para 1043#: reference_raster.xml:547 1044#, no-c-format 1045msgid "" 1046"<varname>blocksize_y</varname> sets Y tile (height in pixels of each tile)" 1047msgstr "" 1048"<varname>blocksize_y</varname> Yタイル(タイル毎のピクセル幅)を設定します" 1049 1050#. Tag: para 1051#: reference_raster.xml:548 1052#, no-c-format 1053msgid "" 1054"<varname>extent</varname> computes extent of whole table and applys " 1055"constraint all rasters must be within that extent" 1056msgstr "" 1057"<varname>extent</varname> テーブル全体の範囲を計算し、全てのラスタがこの範囲" 1058"内にある制約を適用します" 1059 1060#. Tag: para 1061#: reference_raster.xml:550 1062#, no-c-format 1063msgid "<varname>num_bands</varname> number of bands" 1064msgstr "<varname>num_bands</varname> バンド数" 1065 1066#. Tag: para 1067#: reference_raster.xml:551 1068#, no-c-format 1069msgid "" 1070"<varname>pixel_types</varname> reads array of pixel types for each band " 1071"ensure all band n have same pixel type" 1072msgstr "" 1073"<varname>pixel_types</varname> バンドごとにピクセルタイプを読み、全てのバンド" 1074"が同じピクセルタイプであることを確認します。" 1075 1076#. Tag: para 1077#: reference_raster.xml:552 1078#, no-c-format 1079msgid "" 1080"<varname>regular_blocking</varname> sets spatially unique (no two rasters " 1081"can be spatially the same) and coverage tile (raster is aligned to a " 1082"coverage) constraints" 1083msgstr "" 1084"<varname>regular_blocking</varname> 空間的に一意 (二つのラスタが空間的に同じ" 1085"にならない)であり、カバレッジタイル (ラスタがカバレッジに整列する)制約である" 1086"ようにします。" 1087 1088#. Tag: para 1089#: reference_raster.xml:553 1090#, no-c-format 1091msgid "" 1092"<varname>same_alignment</varname> ensures they all have same alignment " 1093"meaning any two tiles you compare will return true for. Refer to <xref " 1094"linkend=\"RT_ST_SameAlignment\"/>." 1095msgstr "" 1096"<varname>same_alignment</varname> 同じアラインメントを持つようにします。任意" 1097"の2タイルについて比較するとtrueを返すという意味です。<xref linkend=" 1098"\"RT_ST_SameAlignment\"/>を参照して下さい。" 1099 1100#. Tag: para 1101#: reference_raster.xml:554 1102#, no-c-format 1103msgid "<varname>srid</varname> ensures all have same srid" 1104msgstr "" 1105"<varname>srid</varname> 全て同じSRIDを持っていることを確認するためのもので" 1106"す。" 1107 1108#. Tag: para 1109#: reference_raster.xml:555 1110#, no-c-format 1111msgid "More -- any listed as inputs into the above functions" 1112msgstr "その他 -- 上の関数への入力で一覧が挙げられています。" 1113 1114#. Tag: para 1115#: reference_raster.xml:558 1116#, no-c-format 1117msgid "" 1118"This function infers the constraints from the data already present in the " 1119"table. As such for it to work, you must create the raster column first and " 1120"then load it with data." 1121msgstr "" 1122"この関数はテーブル内に存在するデータから制約を推論します。動作させるには、ま" 1123"ずラスタカラムを生成し、その後にデータをロードする必要があります。" 1124 1125#. Tag: para 1126#: reference_raster.xml:563 1127#, no-c-format 1128msgid "" 1129"If you need to load more data in your tables after you have already applied " 1130"constraints, you may want to run the DropRasterConstraints if the extent of " 1131"your data has changed." 1132msgstr "" 1133"制約を適用した後にデータをさらにロードする必要がある場合には、データ範囲が変" 1134"わるならDropRasterConstraintsを使います。" 1135 1136#. Tag: para 1137#: reference_raster.xml:567 reference_raster.xml:716 reference_raster.xml:792 1138#: reference_raster.xml:858 reference_raster.xml:1526 reference_raster.xml:1964 1139#: reference_raster.xml:3014 reference_raster.xml:3241 1140#: reference_raster.xml:3284 reference_raster.xml:3345 1141#: reference_raster.xml:5038 reference_raster.xml:5209 1142#: reference_raster.xml:5404 reference_raster.xml:5508 1143#: reference_raster.xml:5578 reference_raster.xml:5800 1144#: reference_raster.xml:6438 reference_raster.xml:7704 1145#: reference_raster.xml:7903 reference_raster.xml:8167 1146#: reference_raster.xml:8286 reference_raster.xml:8415 1147#: reference_raster.xml:8513 reference_raster.xml:8601 1148#: reference_raster.xml:8685 reference_raster.xml:8824 1149#: reference_raster.xml:8899 reference_raster.xml:8986 1150#: reference_raster.xml:9109 reference_raster.xml:9180 1151#: reference_raster.xml:9255 reference_raster.xml:9341 1152#: reference_raster.xml:9437 reference_raster.xml:9565 1153#: reference_raster.xml:10029 reference_raster.xml:10280 1154#: reference_raster.xml:10352 reference_raster.xml:11171 1155#, no-c-format 1156msgid "Availability: 2.0.0" 1157msgstr "Availability: 2.0.0" 1158 1159#. Tag: title 1160#: reference_raster.xml:571 1161#, no-c-format 1162msgid "Examples: Apply all possible constraints on column based on data" 1163msgstr "例: カラムに対して全てのありえる制約をデータに基づいて適用する" 1164 1165#. Tag: programlisting 1166#: reference_raster.xml:573 1167#, no-c-format 1168msgid "" 1169"CREATE TABLE myrasters(rid SERIAL primary key, rast raster);\n" 1170"INSERT INTO myrasters(rast)\n" 1171"SELECT ST_AddBand(ST_MakeEmptyRaster(1000, 1000, 0.3, -0.3, 2, 2, 0, " 1172"0,4326), 1, '8BSI'::text, -129, NULL);\n" 1173"\n" 1174"SELECT AddRasterConstraints('myrasters'::name, 'rast'::name);\n" 1175"\n" 1176"\n" 1177"-- verify if registered correctly in the raster_columns view --\n" 1178"SELECT srid, scale_x, scale_y, blocksize_x, blocksize_y, num_bands, " 1179"pixel_types, nodata_values\n" 1180" FROM raster_columns\n" 1181" WHERE r_table_name = 'myrasters';\n" 1182"\n" 1183" srid | scale_x | scale_y | blocksize_x | blocksize_y | num_bands | " 1184"pixel_types| nodata_values\n" 1185"------+---------+---------+-------------+-------------+-----------" 1186"+-------------+---------------\n" 1187" 4326 | 2 | 2 | 1000 | 1000 | 1 | " 1188"{8BSI} | {0}" 1189msgstr "" 1190"CREATE TABLE myrasters(rid SERIAL primary key, rast raster);\n" 1191"INSERT INTO myrasters(rast)\n" 1192"SELECT ST_AddBand(ST_MakeEmptyRaster(1000, 1000, 0.3, -0.3, 2, 2, 0, " 1193"0,4326), 1, '8BSI'::text, -129, NULL);\n" 1194"\n" 1195"SELECT AddRasterConstraints('myrasters'::name, 'rast'::name);\n" 1196"\n" 1197"\n" 1198"-- verify if registered correctly in the raster_columns view --\n" 1199"SELECT srid, scale_x, scale_y, blocksize_x, blocksize_y, num_bands, " 1200"pixel_types, nodata_values\n" 1201" FROM raster_columns\n" 1202" WHERE r_table_name = 'myrasters';\n" 1203"\n" 1204" srid | scale_x | scale_y | blocksize_x | blocksize_y | num_bands | " 1205"pixel_types| nodata_values\n" 1206"------+---------+---------+-------------+-------------+-----------" 1207"+-------------+---------------\n" 1208" 4326 | 2 | 2 | 1000 | 1000 | 1 | " 1209"{8BSI} | {0}" 1210 1211#. Tag: title 1212#: reference_raster.xml:577 1213#, no-c-format 1214msgid "Examples: Apply single constraint" 1215msgstr "例: 単一の制約を適用する" 1216 1217#. Tag: programlisting 1218#: reference_raster.xml:579 1219#, no-c-format 1220msgid "" 1221"CREATE TABLE public.myrasters2(rid SERIAL primary key, rast raster);\n" 1222"INSERT INTO myrasters2(rast)\n" 1223"SELECT ST_AddBand(ST_MakeEmptyRaster(1000, 1000, 0.3, -0.3, 2, 2, 0, " 1224"0,4326), 1, '8BSI'::text, -129, NULL);\n" 1225"\n" 1226"SELECT AddRasterConstraints('public'::name, 'myrasters2'::name, 'rast'::" 1227"name,'regular_blocking', 'blocksize');\n" 1228"-- get notice--\n" 1229"NOTICE: Adding regular blocking constraint\n" 1230"NOTICE: Adding blocksize-X constraint\n" 1231"NOTICE: Adding blocksize-Y constraint" 1232msgstr "" 1233"CREATE TABLE public.myrasters2(rid SERIAL primary key, rast raster);\n" 1234"INSERT INTO myrasters2(rast)\n" 1235"SELECT ST_AddBand(ST_MakeEmptyRaster(1000, 1000, 0.3, -0.3, 2, 2, 0, " 1236"0,4326), 1, '8BSI'::text, -129, NULL);\n" 1237"\n" 1238"SELECT AddRasterConstraints('public'::name, 'myrasters2'::name, 'rast'::" 1239"name,'regular_blocking', 'blocksize');\n" 1240"-- 通知が出ます --\n" 1241"NOTICE: Adding regular blocking constraint\n" 1242"NOTICE: Adding blocksize-X constraint\n" 1243"NOTICE: Adding blocksize-Y constraint" 1244 1245#. Tag: para 1246#: reference_raster.xml:585 1247#, no-c-format 1248msgid "" 1249", <xref linkend=\"RT_ST_AddBand\"/>, <xref linkend=\"RT_ST_MakeEmptyRaster\"/" 1250">, <xref linkend=\"RT_DropRasterConstraints\"/>, <xref linkend=" 1251"\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_SRID\"/>" 1252msgstr "" 1253", <xref linkend=\"RT_ST_AddBand\"/>, <xref linkend=\"RT_ST_MakeEmptyRaster\"/" 1254">, <xref linkend=\"RT_DropRasterConstraints\"/>, <xref linkend=" 1255"\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_SRID\"/>" 1256 1257#. Tag: refname 1258#: reference_raster.xml:591 1259#, no-c-format 1260msgid "DropRasterConstraints" 1261msgstr "DropRasterConstraints" 1262 1263#. Tag: refpurpose 1264#: reference_raster.xml:593 1265#, no-c-format 1266msgid "" 1267"Drops PostGIS raster constraints that refer to a raster table column. Useful " 1268"if you need to reload data or update your raster column data." 1269msgstr "" 1270"ラスタテーブルカラムを参照するPostGISラスタ制約を削除します。データの再読み込" 1271"みやラスタカラムデータの更新の際に使えます。" 1272 1273#. Tag: funcsynopsis 1274#: reference_raster.xml:597 1275#, no-c-format 1276msgid "" 1277"<funcprototype> <funcdef>boolean <function>DropRasterConstraints</function></" 1278"funcdef> <paramdef><type>name </type> <parameter>rasttable</parameter></" 1279"paramdef> <paramdef><type>name </type> <parameter>rastcolumn</parameter></" 1280"paramdef> <paramdef><type>boolean </type> <parameter>srid</parameter></" 1281"paramdef> <paramdef><type>boolean </type> <parameter>scale_x</parameter></" 1282"paramdef> <paramdef><type>boolean </type> <parameter>scale_y</parameter></" 1283"paramdef> <paramdef><type>boolean </type> <parameter>blocksize_x</" 1284"parameter></paramdef> <paramdef><type>boolean </type> " 1285"<parameter>blocksize_y</parameter></paramdef> <paramdef><type>boolean </" 1286"type> <parameter>same_alignment</parameter></paramdef> " 1287"<paramdef><type>boolean </type> <parameter>regular_blocking</parameter></" 1288"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1289"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 1290"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 1291"<paramdef choice=\"opt\"><type>boolean </type> " 1292"<parameter>nodata_values=true</parameter></paramdef> <paramdef choice=\"opt" 1293"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 1294"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 1295"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1296"<function>DropRasterConstraints</function></funcdef> <paramdef><type>name </" 1297"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 1298"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 1299"type> <parameter>rastcolumn</parameter></paramdef> <paramdef choice=\"opt" 1300"\"><type>boolean </type> <parameter>srid=true</parameter></paramdef> " 1301"<paramdef><type>boolean </type> <parameter>scale_x=true</parameter></" 1302"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1303"<parameter>scale_y=true</parameter></paramdef> <paramdef choice=\"opt" 1304"\"><type>boolean </type> <parameter>blocksize_x=true</parameter></paramdef> " 1305"<paramdef choice=\"opt\"><type>boolean </type> <parameter>blocksize_y=true</" 1306"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1307"<parameter>same_alignment=true</parameter></paramdef> <paramdef choice=\"opt" 1308"\"><type>boolean </type> <parameter>regular_blocking=false</parameter></" 1309"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1310"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 1311"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 1312"<paramdef choice=\"opt\"><type>boolean </type> " 1313"<parameter>nodata_values=true</parameter></paramdef> <paramdef choice=\"opt" 1314"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 1315"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 1316"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1317"<function>DropRasterConstraints</function></funcdef> <paramdef><type>name </" 1318"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 1319"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 1320"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 1321"type> <parameter>constraints</parameter></paramdef> </funcprototype>" 1322msgstr "" 1323"<funcprototype> <funcdef>boolean <function>DropRasterConstraints</function></" 1324"funcdef> <paramdef><type>name </type> <parameter>rasttable</parameter></" 1325"paramdef> <paramdef><type>name </type> <parameter>rastcolumn</parameter></" 1326"paramdef> <paramdef><type>boolean </type> <parameter>srid</parameter></" 1327"paramdef> <paramdef><type>boolean </type> <parameter>scale_x</parameter></" 1328"paramdef> <paramdef><type>boolean </type> <parameter>scale_y</parameter></" 1329"paramdef> <paramdef><type>boolean </type> <parameter>blocksize_x</" 1330"parameter></paramdef> <paramdef><type>boolean </type> " 1331"<parameter>blocksize_y</parameter></paramdef> <paramdef><type>boolean </" 1332"type> <parameter>same_alignment</parameter></paramdef> " 1333"<paramdef><type>boolean </type> <parameter>regular_blocking</parameter></" 1334"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1335"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 1336"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 1337"<paramdef choice=\"opt\"><type>boolean </type> " 1338"<parameter>nodata_values=true</parameter></paramdef> <paramdef choice=\"opt" 1339"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 1340"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 1341"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1342"<function>DropRasterConstraints</function></funcdef> <paramdef><type>name </" 1343"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 1344"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 1345"type> <parameter>rastcolumn</parameter></paramdef> <paramdef choice=\"opt" 1346"\"><type>boolean </type> <parameter>srid=true</parameter></paramdef> " 1347"<paramdef><type>boolean </type> <parameter>scale_x=true</parameter></" 1348"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1349"<parameter>scale_y=true</parameter></paramdef> <paramdef choice=\"opt" 1350"\"><type>boolean </type> <parameter>blocksize_x=true</parameter></paramdef> " 1351"<paramdef choice=\"opt\"><type>boolean </type> <parameter>blocksize_y=true</" 1352"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1353"<parameter>same_alignment=true</parameter></paramdef> <paramdef choice=\"opt" 1354"\"><type>boolean </type> <parameter>regular_blocking=false</parameter></" 1355"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 1356"<parameter>num_bands=true</parameter></paramdef> <paramdef choice=\"opt" 1357"\"><type>boolean </type> <parameter>pixel_types=true</parameter></paramdef> " 1358"<paramdef choice=\"opt\"><type>boolean </type> " 1359"<parameter>nodata_values=true</parameter></paramdef> <paramdef choice=\"opt" 1360"\"><type>boolean </type> <parameter>out_db=true</parameter> </paramdef> " 1361"<paramdef choice=\"opt\"><type>boolean </type> <parameter>extent=true</" 1362"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1363"<function>DropRasterConstraints</function></funcdef> <paramdef><type>name </" 1364"type> <parameter>rastschema</parameter></paramdef> <paramdef><type>name </" 1365"type> <parameter>rasttable</parameter></paramdef> <paramdef><type>name </" 1366"type> <parameter>rastcolumn</parameter></paramdef> <paramdef><type>text[] </" 1367"type> <parameter>constraints</parameter></paramdef> </funcprototype>" 1368 1369#. Tag: para 1370#: reference_raster.xml:710 1371#, no-c-format 1372msgid "" 1373"Drops PostGIS raster constraints that refer to a raster table column that " 1374"were added by <xref linkend=\"RT_AddRasterConstraints\"/>. Useful if you " 1375"need to load more data or update your raster column data. You do not need to " 1376"do this if you want to get rid of a raster table or a raster column." 1377msgstr "" 1378"<xref linkend=\"RT_AddRasterConstraints\"/>で追加された、ラスタテーブルカラム" 1379"を参照するPostGISラスタ制約を削除します。データの追加ロードやラスタカラムデー" 1380"タの更新で使えます。ラスタテーブルまたはラスタカラムのridを取得したい場合には" 1381"使う必要がありません。" 1382 1383#. Tag: para 1384#: reference_raster.xml:712 1385#, no-c-format 1386msgid "To drop a raster table use the standard" 1387msgstr "ラスタテーブルを削除するには、次の標準的なSQLを使います。" 1388 1389#. Tag: programlisting 1390#: reference_raster.xml:712 1391#, no-c-format 1392msgid "DROP TABLE mytable" 1393msgstr "DROP TABLE mytable" 1394 1395#. Tag: para 1396#: reference_raster.xml:713 1397#, no-c-format 1398msgid "" 1399"To drop just a raster column and leave the rest of the table, use standard " 1400"SQL" 1401msgstr "" 1402"ラスタカラムを削除してテーブルの残りのカラムを置いておくには、次の標準的なSQL" 1403"を使います。" 1404 1405#. Tag: programlisting 1406#: reference_raster.xml:713 1407#, no-c-format 1408msgid "ALTER TABLE mytable DROP COLUMN rast" 1409msgstr "ALTER TABLE mytable DROP COLUMN rast" 1410 1411#. Tag: para 1412#: reference_raster.xml:714 1413#, no-c-format 1414msgid "" 1415"the table will disappear from the <varname>raster_columns</varname> catalog " 1416"if the column or table is dropped. However if only the constraints are " 1417"dropped, the raster column will still be listed in the " 1418"<varname>raster_columns</varname> catalog, but there will be no other " 1419"information about it aside from the column name and table." 1420msgstr "" 1421"カラムまたはテーブルが削除されると、テーブルは<varname>raster_columns</" 1422"varname>カタログから見えなくなります。しかしながら、制約だけが削除されたの" 1423"で、ラスタカラムはなお<varname>raster_columns</varname>カタログに残ります。た" 1424"だし、カラム名とテーブルからの内部に関する他の情報は存在しません。" 1425 1426#. Tag: title 1427#: reference_raster.xml:719 reference_raster.xml:796 reference_raster.xml:893 1428#: reference_raster.xml:929 reference_raster.xml:967 reference_raster.xml:1530 1429#: reference_raster.xml:1676 reference_raster.xml:1750 1430#: reference_raster.xml:1851 reference_raster.xml:1899 1431#: reference_raster.xml:1932 reference_raster.xml:1968 1432#: reference_raster.xml:2011 reference_raster.xml:2047 1433#: reference_raster.xml:2081 reference_raster.xml:2221 1434#: reference_raster.xml:2259 reference_raster.xml:2302 1435#: reference_raster.xml:2361 reference_raster.xml:2415 1436#: reference_raster.xml:2453 reference_raster.xml:2488 1437#: reference_raster.xml:2524 reference_raster.xml:2560 1438#: reference_raster.xml:2596 reference_raster.xml:2633 1439#: reference_raster.xml:2667 reference_raster.xml:2701 1440#: reference_raster.xml:2752 reference_raster.xml:2809 1441#: reference_raster.xml:2864 reference_raster.xml:2970 1442#: reference_raster.xml:3025 reference_raster.xml:3063 1443#: reference_raster.xml:3103 reference_raster.xml:3138 1444#: reference_raster.xml:3208 reference_raster.xml:3245 1445#: reference_raster.xml:3289 reference_raster.xml:3351 1446#: reference_raster.xml:3394 reference_raster.xml:3449 1447#: reference_raster.xml:3492 reference_raster.xml:3547 1448#: reference_raster.xml:3614 reference_raster.xml:3708 1449#: reference_raster.xml:3800 reference_raster.xml:3875 1450#: reference_raster.xml:4088 reference_raster.xml:4184 1451#: reference_raster.xml:4247 reference_raster.xml:4281 1452#: reference_raster.xml:4329 reference_raster.xml:4372 1453#: reference_raster.xml:4453 reference_raster.xml:4546 1454#: reference_raster.xml:4610 reference_raster.xml:4678 1455#: reference_raster.xml:4756 reference_raster.xml:4833 1456#: reference_raster.xml:4912 reference_raster.xml:5001 1457#: reference_raster.xml:5042 reference_raster.xml:5097 1458#: reference_raster.xml:5150 reference_raster.xml:5220 1459#: reference_raster.xml:5282 reference_raster.xml:5512 1460#: reference_raster.xml:5661 reference_raster.xml:5804 1461#: reference_raster.xml:5847 reference_raster.xml:5890 1462#: reference_raster.xml:5955 reference_raster.xml:6003 1463#: reference_raster.xml:6262 reference_raster.xml:6703 1464#: reference_raster.xml:7708 reference_raster.xml:8171 1465#: reference_raster.xml:8419 reference_raster.xml:8690 1466#: reference_raster.xml:8762 reference_raster.xml:8829 1467#: reference_raster.xml:8991 reference_raster.xml:9047 1468#: reference_raster.xml:9114 reference_raster.xml:9185 1469#: reference_raster.xml:9260 reference_raster.xml:9495 1470#: reference_raster.xml:9628 reference_raster.xml:9679 1471#: reference_raster.xml:9728 reference_raster.xml:9771 1472#: reference_raster.xml:9827 reference_raster.xml:9872 1473#: reference_raster.xml:9916 reference_raster.xml:9955 1474#: reference_raster.xml:10033 reference_raster.xml:10077 1475#: reference_raster.xml:10122 reference_raster.xml:10285 1476#: reference_raster.xml:10441 reference_raster.xml:10528 1477#: reference_raster.xml:10609 reference_raster.xml:10690 1478#: reference_raster.xml:10771 reference_raster.xml:10903 1479#: reference_raster.xml:10984 reference_raster.xml:11064 1480#: reference_raster.xml:11221 reference_raster.xml:11308 1481#: reference_raster.xml:11403 reference_raster.xml:11496 1482#, no-c-format 1483msgid "Examples" 1484msgstr "例" 1485 1486#. Tag: programlisting 1487#: reference_raster.xml:721 1488#, no-c-format 1489msgid "" 1490"SELECT DropRasterConstraints ('myrasters','rast');\n" 1491"----RESULT output ---\n" 1492"t\n" 1493"\n" 1494"-- verify change in raster_columns --\n" 1495"SELECT srid, scale_x, scale_y, blocksize_x, blocksize_y, num_bands, " 1496"pixel_types, nodata_values\n" 1497" FROM raster_columns\n" 1498" WHERE r_table_name = 'myrasters';\n" 1499"\n" 1500" srid | scale_x | scale_y | blocksize_x | blocksize_y | num_bands | " 1501"pixel_types| nodata_values\n" 1502"------+---------+---------+-------------+-------------+-----------" 1503"+-------------+---------------\n" 1504" 0 | | | | | " 1505"| |" 1506msgstr "" 1507"SELECT DropRasterConstraints ('myrasters','rast');\n" 1508"-- 結果出力 --\n" 1509"t\n" 1510"\n" 1511"-- raster_columnsで変更を確認します --\n" 1512"SELECT srid, scale_x, scale_y, blocksize_x, blocksize_y, num_bands, " 1513"pixel_types, nodata_values\n" 1514" FROM raster_columns\n" 1515" WHERE r_table_name = 'myrasters';\n" 1516"\n" 1517" srid | scale_x | scale_y | blocksize_x | blocksize_y | num_bands | " 1518"pixel_types| nodata_values\n" 1519"------+---------+---------+-------------+-------------+-----------" 1520"+-------------+---------------\n" 1521" 0 | | | | | " 1522"| |" 1523 1524#. Tag: refname 1525#: reference_raster.xml:732 1526#, no-c-format 1527msgid "AddOverviewConstraints" 1528msgstr "AddOverviewConstraints" 1529 1530#. Tag: refpurpose 1531#: reference_raster.xml:734 1532#, no-c-format 1533msgid "Tag a raster column as being an overview of another." 1534msgstr "ラスタカラムに対して、他のオーバビューであることをタグ付けします。" 1535 1536#. Tag: funcsynopsis 1537#: reference_raster.xml:738 1538#, no-c-format 1539msgid "" 1540"<funcprototype> <funcdef>boolean <function>AddOverviewConstraints</" 1541"function></funcdef> <paramdef><type>name </type> <parameter>ovschema</" 1542"parameter></paramdef> <paramdef><type>name </type> <parameter>ovtable</" 1543"parameter></paramdef> <paramdef><type>name </type> <parameter>ovcolumn</" 1544"parameter></paramdef> <paramdef><type>name </type> <parameter>refschema</" 1545"parameter></paramdef> <paramdef><type>name </type> <parameter>reftable</" 1546"parameter></paramdef> <paramdef><type>name </type> <parameter>refcolumn</" 1547"parameter></paramdef> <paramdef><type>int </type> <parameter>ovfactor</" 1548"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1549"<function>AddOverviewConstraints</function></funcdef> <paramdef><type>name </" 1550"type> <parameter>ovtable</parameter></paramdef> <paramdef><type>name </type> " 1551"<parameter>ovcolumn</parameter></paramdef> <paramdef><type>name </type> " 1552"<parameter>reftable</parameter></paramdef> <paramdef><type>name </type> " 1553"<parameter>refcolumn</parameter></paramdef> <paramdef><type>int </type> " 1554"<parameter>ovfactor</parameter></paramdef> </funcprototype>" 1555msgstr "" 1556"<funcprototype> <funcdef>boolean <function>AddOverviewConstraints</" 1557"function></funcdef> <paramdef><type>name </type> <parameter>ovschema</" 1558"parameter></paramdef> <paramdef><type>name </type> <parameter>ovtable</" 1559"parameter></paramdef> <paramdef><type>name </type> <parameter>ovcolumn</" 1560"parameter></paramdef> <paramdef><type>name </type> <parameter>refschema</" 1561"parameter></paramdef> <paramdef><type>name </type> <parameter>reftable</" 1562"parameter></paramdef> <paramdef><type>name </type> <parameter>refcolumn</" 1563"parameter></paramdef> <paramdef><type>int </type> <parameter>ovfactor</" 1564"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1565"<function>AddOverviewConstraints</function></funcdef> <paramdef><type>name </" 1566"type> <parameter>ovtable</parameter></paramdef> <paramdef><type>name </type> " 1567"<parameter>ovcolumn</parameter></paramdef> <paramdef><type>name </type> " 1568"<parameter>reftable</parameter></paramdef> <paramdef><type>name </type> " 1569"<parameter>refcolumn</parameter></paramdef> <paramdef><type>int </type> " 1570"<parameter>ovfactor</parameter></paramdef> </funcprototype>" 1571 1572#. Tag: para 1573#: reference_raster.xml:778 1574#, no-c-format 1575msgid "" 1576"Adds constraints on a raster column that are used to display information in " 1577"the <varname>raster_overviews</varname> raster catalog." 1578msgstr "" 1579"<varname>raster_overviews</varname>ラスタカタログ内の情報を表示するために使わ" 1580"れるラスタカラムに制約を追加します。" 1581 1582#. Tag: para 1583#: reference_raster.xml:782 1584#, no-c-format 1585msgid "" 1586"The <varname>ovfactor</varname> parameter represents the scale multiplier in " 1587"the overview column: higher overview factors have lower resolution." 1588msgstr "" 1589"<varname>ovfactor</varname>引数は、オーバビューカラムの縮尺乗数を示します。縮" 1590"尺乗数は大きいほど低い解像度になります。" 1591 1592#. Tag: para 1593#: reference_raster.xml:786 1594#, no-c-format 1595msgid "" 1596"When the <varname>ovschema</varname> and <varname>refschema</varname> " 1597"parameters are omitted, the first table found scanning the " 1598"<varname>search_path</varname> will be used." 1599msgstr "" 1600"<varname>ovschema</varname>と<varname>refschema</varname>が省略されると、" 1601"<varname>search_path</varname>を走査して発見した最初のテーブルを使います。" 1602 1603#. Tag: programlisting 1604#: reference_raster.xml:798 1605#, no-c-format 1606msgid "" 1607"CREATE TABLE res1 AS SELECT\n" 1608"ST_AddBand(\n" 1609" ST_MakeEmptyRaster(1000, 1000, 0, 0, 2),\n" 1610" 1, '8BSI'::text, -129, NULL\n" 1611") r1;\n" 1612"\n" 1613"CREATE TABLE res2 AS SELECT\n" 1614"ST_AddBand(\n" 1615" ST_MakeEmptyRaster(500, 500, 0, 0, 4),\n" 1616" 1, '8BSI'::text, -129, NULL\n" 1617") r2;\n" 1618"\n" 1619"SELECT AddOverviewConstraints('res2', 'r2', 'res1', 'r1', 2);\n" 1620"\n" 1621"-- verify if registered correctly in the raster_overviews view --\n" 1622"SELECT o_table_name ot, o_raster_column oc,\n" 1623" r_table_name rt, r_raster_column rc,\n" 1624" overview_factor f\n" 1625"FROM raster_overviews WHERE o_table_name = 'res2';\n" 1626" ot | oc | rt | rc | f\n" 1627"------+----+------+----+---\n" 1628" res2 | r2 | res1 | r1 | 2\n" 1629"(1 row)" 1630msgstr "" 1631"CREATE TABLE res1 AS SELECT\n" 1632"ST_AddBand(\n" 1633" ST_MakeEmptyRaster(1000, 1000, 0, 0, 2),\n" 1634" 1, '8BSI'::text, -129, NULL\n" 1635") r1;\n" 1636"\n" 1637"CREATE TABLE res2 AS SELECT\n" 1638"ST_AddBand(\n" 1639" ST_MakeEmptyRaster(500, 500, 0, 0, 4),\n" 1640" 1, '8BSI'::text, -129, NULL\n" 1641") r2;\n" 1642"\n" 1643"SELECT AddOverviewConstraints('res2', 'r2', 'res1', 'r1', 2);\n" 1644"\n" 1645"-- raster_overviewsビューに正しく登録されたか確認します --\n" 1646"SELECT o_table_name ot, o_raster_column oc,\n" 1647" r_table_name rt, r_raster_column rc,\n" 1648" overview_factor f\n" 1649"FROM raster_overviews WHERE o_table_name = 'res2';\n" 1650" ot | oc | rt | rc | f\n" 1651"------+----+------+----+---\n" 1652" res2 | r2 | res1 | r1 | 2\n" 1653"(1 row)" 1654 1655#. Tag: para 1656#: reference_raster.xml:804 1657#, no-c-format 1658msgid "" 1659", <xref linkend=\"RT_DropOverviewConstraints\"/>, <xref linkend=" 1660"\"RT_CreateOverview\"/>, <xref linkend=\"RT_AddRasterConstraints\"/>" 1661msgstr "" 1662", <xref linkend=\"RT_DropOverviewConstraints\"/>, <xref linkend=" 1663"\"RT_CreateOverview\"/>, <xref linkend=\"RT_AddRasterConstraints\"/>" 1664 1665#. Tag: refname 1666#: reference_raster.xml:815 1667#, no-c-format 1668msgid "DropOverviewConstraints" 1669msgstr "DropOverviewConstraints" 1670 1671#. Tag: refpurpose 1672#: reference_raster.xml:817 1673#, no-c-format 1674msgid "Untag a raster column from being an overview of another." 1675msgstr "" 1676"ラスタカラムに対して他のオーバビューであることをタグ付けしているのを解除しま" 1677"す。" 1678 1679#. Tag: funcsynopsis 1680#: reference_raster.xml:821 1681#, no-c-format 1682msgid "" 1683"<funcprototype> <funcdef>boolean <function>DropOverviewConstraints</" 1684"function></funcdef> <paramdef><type>name </type> <parameter>ovschema</" 1685"parameter></paramdef> <paramdef><type>name </type> <parameter>ovtable</" 1686"parameter></paramdef> <paramdef><type>name </type> <parameter>ovcolumn</" 1687"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1688"<function>DropOverviewConstraints</function></funcdef> <paramdef><type>name " 1689"</type> <parameter>ovtable</parameter></paramdef> <paramdef><type>name </" 1690"type> <parameter>ovcolumn</parameter></paramdef> </funcprototype>" 1691msgstr "" 1692"<funcprototype> <funcdef>boolean <function>DropOverviewConstraints</" 1693"function></funcdef> <paramdef><type>name </type> <parameter>ovschema</" 1694"parameter></paramdef> <paramdef><type>name </type> <parameter>ovtable</" 1695"parameter></paramdef> <paramdef><type>name </type> <parameter>ovcolumn</" 1696"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 1697"<function>DropOverviewConstraints</function></funcdef> <paramdef><type>name " 1698"</type> <parameter>ovtable</parameter></paramdef> <paramdef><type>name </" 1699"type> <parameter>ovcolumn</parameter></paramdef> </funcprototype>" 1700 1701#. Tag: para 1702#: reference_raster.xml:847 1703#, no-c-format 1704msgid "" 1705"Remove from a raster column the constraints used to show it as being an " 1706"overview of another in the <varname>raster_overviews</varname> raster " 1707"catalog." 1708msgstr "" 1709"ラスタカラムから、<varname>raster_overviews</varname>ラスタカタログ内にある、" 1710"他のラスタのオーバビューであるこをと示すために使われる制約を削除します。" 1711 1712#. Tag: para 1713#: reference_raster.xml:852 1714#, no-c-format 1715msgid "" 1716"When the <varname>ovschema</varname> parameter is omitted, the first table " 1717"found scanning the <varname>search_path</varname> will be used." 1718msgstr "" 1719"<varname>ovschema</varname>が省略されると、<varname>search_path</varname>を走" 1720"査して発見した最初のテーブルを使います。" 1721 1722#. Tag: para 1723#: reference_raster.xml:864 1724#, no-c-format 1725msgid "" 1726", <xref linkend=\"RT_AddOverviewConstraints\"/>, <xref linkend=" 1727"\"RT_DropRasterConstraints\"/>" 1728msgstr "" 1729", <xref linkend=\"RT_AddOverviewConstraints\"/>, <xref linkend=" 1730"\"RT_DropRasterConstraints\"/>" 1731 1732#. Tag: refname 1733#: reference_raster.xml:874 1734#, no-c-format 1735msgid "PostGIS_GDAL_Version" 1736msgstr "PostGIS_GDAL_Version" 1737 1738#. Tag: refpurpose 1739#: reference_raster.xml:875 1740#, no-c-format 1741msgid "Reports the version of the GDAL library in use by PostGIS." 1742msgstr "PostGISで使っているGDALライブラリの版を報告します。" 1743 1744#. Tag: funcprototype 1745#: reference_raster.xml:880 1746#, no-c-format 1747msgid "" 1748"<funcdef>text <function>PostGIS_GDAL_Version</function></funcdef> " 1749"<paramdef></paramdef>" 1750msgstr "" 1751"<funcdef>text <function>PostGIS_GDAL_Version</function></funcdef> " 1752"<paramdef></paramdef>" 1753 1754#. Tag: para 1755#: reference_raster.xml:889 1756#, no-c-format 1757msgid "" 1758"Reports the version of the GDAL library in use by PostGIS. Will also check " 1759"and report if GDAL can find its data files." 1760msgstr "" 1761"PostGISで使っているGDALライブラリの版を報告します。GDALがデータファイルを発見" 1762"できるかについてもチェックして、報告します。" 1763 1764#. Tag: programlisting 1765#: reference_raster.xml:894 1766#, no-c-format 1767msgid "" 1768"SELECT PostGIS_GDAL_Version();\n" 1769" postgis_gdal_version\n" 1770"-----------------------------------\n" 1771" GDAL 1.11dev, released 2013/04/13" 1772msgstr "" 1773"SELECT PostGIS_GDAL_Version();\n" 1774" postgis_gdal_version\n" 1775"-----------------------------------\n" 1776" GDAL 1.11dev, released 2013/04/13" 1777 1778#. Tag: refname 1779#: reference_raster.xml:907 1780#, no-c-format 1781msgid "PostGIS_Raster_Lib_Build_Date" 1782msgstr "PostGIS_Raster_Lib_Build_Date" 1783 1784#. Tag: refpurpose 1785#: reference_raster.xml:909 1786#, no-c-format 1787msgid "Reports full raster library build date." 1788msgstr "完全なラスタライブラリをビルドした日付を報告します。" 1789 1790#. Tag: funcprototype 1791#: reference_raster.xml:914 1792#, no-c-format 1793msgid "" 1794"<funcdef>text <function>PostGIS_Raster_Lib_Build_Date</function></funcdef> " 1795"<paramdef></paramdef>" 1796msgstr "" 1797"<funcdef>text <function>PostGIS_Raster_Lib_Build_Date</function></funcdef> " 1798"<paramdef></paramdef>" 1799 1800#. Tag: para 1801#: reference_raster.xml:925 1802#, no-c-format 1803msgid "Reports raster build date" 1804msgstr "ラスタをビルドした日付を報告します。" 1805 1806#. Tag: programlisting 1807#: reference_raster.xml:931 1808#, no-c-format 1809msgid "" 1810"SELECT PostGIS_Raster_Lib_Build_Date();\n" 1811"postgis_raster_lib_build_date\n" 1812"-----------------------------\n" 1813"2010-04-28 21:15:10" 1814msgstr "" 1815"SELECT PostGIS_Raster_Lib_Build_Date();\n" 1816"postgis_raster_lib_build_date\n" 1817"-----------------------------\n" 1818"2010-04-28 21:15:10" 1819 1820#. Tag: refname 1821#: reference_raster.xml:943 1822#, no-c-format 1823msgid "PostGIS_Raster_Lib_Version" 1824msgstr "PostGIS_Raster_Lib_Version" 1825 1826#. Tag: refpurpose 1827#: reference_raster.xml:945 1828#, no-c-format 1829msgid "" 1830"<refpurpose>Reports full raster version and build configuration infos.</" 1831"refpurpose>" 1832msgstr "" 1833"<refpurpose>完全なラスタの版とビルドコンフィギュレーション情報を報告します。" 1834"</refpurpose>" 1835 1836#. Tag: funcprototype 1837#: reference_raster.xml:951 1838#, no-c-format 1839msgid "" 1840"<funcdef>text <function>PostGIS_Raster_Lib_Version</function></funcdef> " 1841"<paramdef></paramdef>" 1842msgstr "" 1843"<funcdef>text <function>PostGIS_Raster_Lib_Version</function></funcdef> " 1844"<paramdef></paramdef>" 1845 1846#. Tag: para 1847#: reference_raster.xml:962 1848#, no-c-format 1849msgid "<para>Reports full raster version and build configuration infos.</para>" 1850msgstr "" 1851"<para>完全なラスタの版とビルドコンフィギュレーション情報を報告します。</para>" 1852 1853#. Tag: programlisting 1854#: reference_raster.xml:969 1855#, no-c-format 1856msgid "" 1857"SELECT PostGIS_Raster_Lib_Version();\n" 1858"postgis_raster_lib_version\n" 1859"-----------------------------\n" 1860" 2.0.0" 1861msgstr "" 1862"SELECT PostGIS_Raster_Lib_Version();\n" 1863"postgis_raster_lib_version\n" 1864"-----------------------------\n" 1865" 2.0.0" 1866 1867#. Tag: refname 1868#: reference_raster.xml:983 1869#, no-c-format 1870msgid "ST_GDALDrivers" 1871msgstr "ST_GDALDrivers" 1872 1873#. Tag: refpurpose 1874#: reference_raster.xml:985 1875#, no-c-format 1876msgid "" 1877"Returns a list of raster formats supported by PostGIS through GDAL. Only " 1878"those formats with can_write=True can be used by ST_AsGDALRaster" 1879msgstr "" 1880"使用しているGDALライブラリが対応するラスタ書式の一覧を返します。この一覧で" 1881"can_write=TrueとなっているものだけがST_AsGDALRasterで使えます。" 1882 1883#. Tag: funcprototype 1884#: reference_raster.xml:990 1885#, no-c-format 1886msgid "" 1887"<funcdef>setof record <function>ST_GDALDrivers</function></funcdef> " 1888"<paramdef><type>integer </type> <parameter>OUT idx</parameter></paramdef> " 1889"<paramdef><type>text </type> <parameter>OUT short_name</parameter></" 1890"paramdef> <paramdef><type>text </type> <parameter>OUT long_name</parameter></" 1891"paramdef> <paramdef><type>text </type> <parameter>OUT can_read</parameter></" 1892"paramdef> <paramdef><type>text </type> <parameter>OUT can_write</parameter></" 1893"paramdef> <paramdef><type>text </type> <parameter>OUT create_options</" 1894"parameter></paramdef>" 1895msgstr "" 1896"<funcdef>setof record <function>ST_GDALDrivers</function></funcdef> " 1897"<paramdef><type>integer </type> <parameter>OUT idx</parameter></paramdef> " 1898"<paramdef><type>text </type> <parameter>OUT short_name</parameter></" 1899"paramdef> <paramdef><type>text </type> <parameter>OUT long_name</parameter></" 1900"paramdef> <paramdef><type>text </type> <parameter>OUT can_read</parameter></" 1901"paramdef> <paramdef><type>text </type> <parameter>OUT can_write</parameter></" 1902"paramdef> <paramdef><type>text </type> <parameter>OUT create_options</" 1903"parameter></paramdef>" 1904 1905#. Tag: para 1906#: reference_raster.xml:1005 1907#, no-c-format 1908msgid "" 1909"Returns a list of raster formats short_name,long_name and creator options of " 1910"each format supported by GDAL. Use the short_name as input in the " 1911"<varname>format</varname> parameter of <xref linkend=\"RT_ST_AsGDALRaster\"/" 1912">. Options vary depending on what drivers your libgdal was compiled with. " 1913"<varname>create_options</varname> returns an xml formatted set of " 1914"CreationOptionList/Option consisting of name and optional <varname>type</" 1915"varname>, <varname>description</varname> and set of <varname>VALUE</varname> " 1916"for each creator option for the specific driver." 1917msgstr "" 1918"使用しているGDALライブラリが対応するラスタ書式のshort_name, long_nameと作成オ" 1919"プションの一覧を返します。short_nameは、<xref linkend=\"RT_ST_AsGDALRaster\"/" 1920">の<varname>format</varname>パラメタに使います。オプションはGDALライブラリの" 1921"コンパイルに使ったドライバに依存します。<varname>create_options</varname>は、" 1922"XML形式のCretionOptionList/Optionの集合で、ドライバごとの生成オプションごと" 1923"に、名前を持ち、追加情報の<varname>type</varname>, <varname>description</" 1924"varname>と<varname>VALUE</varname>の集合を持ちます。" 1925 1926#. Tag: para 1927#: reference_raster.xml:1010 1928#, no-c-format 1929msgid "Changed: 2.5.0 - add can_read and can_write columns." 1930msgstr "Changed: 2.5.0 - can_readカラムとcan_writeカラムを追加" 1931 1932#. Tag: para 1933#: reference_raster.xml:1011 1934#, no-c-format 1935msgid "" 1936"Changed: 2.0.6, 2.1.3 - by default no drivers are enabled, unless GUC or " 1937"Environment variable gdal_enabled_drivers is set." 1938msgstr "" 1939"Changed: 2.0.6, 2.1.3 - GUC (訳注: Grand Unified Configurationの略で、動的に" 1940"変更できるPostgreSQLパラメータ)または環境変数gdal_enabled_driversが設定されて" 1941"いないデフォルトではドライバが全て無効になりました。" 1942 1943#. Tag: para 1944#: reference_raster.xml:1012 reference_raster.xml:1453 1945#: reference_raster.xml:6059 reference_raster.xml:6167 1946#: reference_raster.xml:6258 reference_raster.xml:6338 1947#, no-c-format 1948msgid "Availability: 2.0.0 - requires GDAL >= 1.6.0." 1949msgstr "Availability: 2.0.0 - GDAL 1.6.0以上が必要です。" 1950 1951#. Tag: title 1952#: reference_raster.xml:1017 1953#, no-c-format 1954msgid "Examples: List of Drivers" 1955msgstr "例: ドライバ一覧" 1956 1957#. Tag: programlisting 1958#: reference_raster.xml:1019 1959#, no-c-format 1960msgid "" 1961"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 1962"SELECT short_name, long_name, can_write\n" 1963"FROM st_gdaldrivers()\n" 1964"ORDER BY short_name;\n" 1965"\n" 1966" short_name | " 1967"long_name | can_write\n" 1968"-----------------" 1969"+-------------------------------------------------------------+-----------\n" 1970" AAIGrid | Arc/Info ASCII " 1971"Grid | t\n" 1972" ACE2 | " 1973"ACE2 | f\n" 1974" ADRG | ARC Digitized Raster " 1975"Graphics | f\n" 1976" AIG | Arc/Info Binary " 1977"Grid | f\n" 1978" AirSAR | AirSAR Polarimetric " 1979"Image | f\n" 1980" ARG | Azavea Raster Grid " 1981"format | t\n" 1982" BAG | Bathymetry Attributed " 1983"Grid | f\n" 1984" BIGGIF | Graphics Interchange Format (." 1985"gif) | f\n" 1986" BLX | Magellan topo (." 1987"blx) | t\n" 1988" BMP | MS Windows Device Independent " 1989"Bitmap | f\n" 1990" BSB | Maptech BSB Nautical " 1991"Charts | f\n" 1992" PAux | PCI .aux " 1993"Labelled | f\n" 1994" PCIDSK | PCIDSK Database " 1995"File | f\n" 1996" PCRaster | PCRaster Raster " 1997"File | f\n" 1998" PDF | Geospatial " 1999"PDF | f\n" 2000" PDS | NASA Planetary Data " 2001"System | f\n" 2002" PDS4 | NASA Planetary Data System " 2003"4 | t\n" 2004" PLMOSAIC | Planet Labs Mosaics " 2005"API | f\n" 2006" PLSCENES | Planet Labs Scenes " 2007"API | f\n" 2008" PNG | Portable Network " 2009"Graphics | t\n" 2010" PNM | Portable Pixmap Format " 2011"(netpbm) | f\n" 2012" PRF | Racurs PHOTOMOD " 2013"PRF | f\n" 2014" R | R Object Data " 2015"Store | t\n" 2016" Rasterlite | " 2017"Rasterlite | t\n" 2018" RDA | DigitalGlobe Raster Data Access " 2019"driver | f\n" 2020" RIK | Swedish Grid RIK (." 2021"rik) | f\n" 2022" RMF | Raster Matrix " 2023"Format | f\n" 2024" ROI_PAC | ROI_PAC " 2025"raster | f\n" 2026" RPFTOC | Raster Product Format TOC " 2027"format | f\n" 2028" RRASTER | R " 2029"Raster | f\n" 2030" RS2 | RadarSat 2 XML " 2031"Product | f\n" 2032" RST | Idrisi Raster " 2033"A.1 | t\n" 2034" SAFE | Sentinel-1 SAR SAFE " 2035"Product | f\n" 2036" SAGA | SAGA GIS Binary Grid (.sdat, .sg-grd-" 2037"z) | t\n" 2038" SAR_CEOS | CEOS SAR " 2039"Image | f\n" 2040" SDTS | SDTS " 2041"Raster | f\n" 2042" SENTINEL2 | Sentinel " 2043"2 | f\n" 2044" SGI | SGI Image File Format " 2045"1.0 | f\n" 2046" SNODAS | Snow Data Assimilation " 2047"System | f\n" 2048" SRP | Standard Raster Product (ASRP/" 2049"USRP) | f\n" 2050" SRTMHGT | SRTMHGT File " 2051"Format | t\n" 2052" Terragen | Terragen " 2053"heightfield | f\n" 2054" TIL | EarthWatch ." 2055"TIL | f\n" 2056" TSX | TerraSAR-X " 2057"Product | f\n" 2058" USGSDEM | USGS Optional ASCII DEM (and " 2059"CDED) | t\n" 2060" VICAR | MIPL VICAR " 2061"file | f\n" 2062" VRT | Virtual " 2063"Raster | t\n" 2064" WCS | OGC Web Coverage " 2065"Service | f\n" 2066" WMS | OGC Web Map " 2067"Service | t\n" 2068" WMTS | OGC Web Map Tile " 2069"Service | t\n" 2070" XPM | X11 PixMap " 2071"Format | t\n" 2072" XYZ | ASCII Gridded " 2073"XYZ | t\n" 2074" ZMap | ZMap Plus " 2075"Grid | t" 2076msgstr "" 2077"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 2078"SELECT short_name, long_name, can_write\n" 2079"FROM st_gdaldrivers()\n" 2080"ORDER BY short_name;\n" 2081"\n" 2082" short_name | " 2083"long_name | can_write\n" 2084"-----------------" 2085"+-------------------------------------------------------------+-----------\n" 2086" AAIGrid | Arc/Info ASCII " 2087"Grid | t\n" 2088" ACE2 | " 2089"ACE2 | f\n" 2090" ADRG | ARC Digitized Raster " 2091"Graphics | f\n" 2092" AIG | Arc/Info Binary " 2093"Grid | f\n" 2094" AirSAR | AirSAR Polarimetric " 2095"Image | f\n" 2096" ARG | Azavea Raster Grid " 2097"format | t\n" 2098" BAG | Bathymetry Attributed " 2099"Grid | f\n" 2100" BIGGIF | Graphics Interchange Format (." 2101"gif) | f\n" 2102" BLX | Magellan topo (." 2103"blx) | t\n" 2104" BMP | MS Windows Device Independent " 2105"Bitmap | f\n" 2106" BSB | Maptech BSB Nautical " 2107"Charts | f\n" 2108" PAux | PCI .aux " 2109"Labelled | f\n" 2110" PCIDSK | PCIDSK Database " 2111"File | f\n" 2112" PCRaster | PCRaster Raster " 2113"File | f\n" 2114" PDF | Geospatial " 2115"PDF | f\n" 2116" PDS | NASA Planetary Data " 2117"System | f\n" 2118" PDS4 | NASA Planetary Data System " 2119"4 | t\n" 2120" PLMOSAIC | Planet Labs Mosaics " 2121"API | f\n" 2122" PLSCENES | Planet Labs Scenes " 2123"API | f\n" 2124" PNG | Portable Network " 2125"Graphics | t\n" 2126" PNM | Portable Pixmap Format " 2127"(netpbm) | f\n" 2128" PRF | Racurs PHOTOMOD " 2129"PRF | f\n" 2130" R | R Object Data " 2131"Store | t\n" 2132" Rasterlite | " 2133"Rasterlite | t\n" 2134" RDA | DigitalGlobe Raster Data Access " 2135"driver | f\n" 2136" RIK | Swedish Grid RIK (." 2137"rik) | f\n" 2138" RMF | Raster Matrix " 2139"Format | f\n" 2140" ROI_PAC | ROI_PAC " 2141"raster | f\n" 2142" RPFTOC | Raster Product Format TOC " 2143"format | f\n" 2144" RRASTER | R " 2145"Raster | f\n" 2146" RS2 | RadarSat 2 XML " 2147"Product | f\n" 2148" RST | Idrisi Raster " 2149"A.1 | t\n" 2150" SAFE | Sentinel-1 SAR SAFE " 2151"Product | f\n" 2152" SAGA | SAGA GIS Binary Grid (.sdat, .sg-grd-" 2153"z) | t\n" 2154" SAR_CEOS | CEOS SAR " 2155"Image | f\n" 2156" SDTS | SDTS " 2157"Raster | f\n" 2158" SENTINEL2 | Sentinel " 2159"2 | f\n" 2160" SGI | SGI Image File Format " 2161"1.0 | f\n" 2162" SNODAS | Snow Data Assimilation " 2163"System | f\n" 2164" SRP | Standard Raster Product (ASRP/" 2165"USRP) | f\n" 2166" SRTMHGT | SRTMHGT File " 2167"Format | t\n" 2168" Terragen | Terragen " 2169"heightfield | f\n" 2170" TIL | EarthWatch ." 2171"TIL | f\n" 2172" TSX | TerraSAR-X " 2173"Product | f\n" 2174" USGSDEM | USGS Optional ASCII DEM (and " 2175"CDED) | t\n" 2176" VICAR | MIPL VICAR " 2177"file | f\n" 2178" VRT | Virtual " 2179"Raster | t\n" 2180" WCS | OGC Web Coverage " 2181"Service | f\n" 2182" WMS | OGC Web Map " 2183"Service | t\n" 2184" WMTS | OGC Web Map Tile " 2185"Service | t\n" 2186" XPM | X11 PixMap " 2187"Format | t\n" 2188" XYZ | ASCII Gridded " 2189"XYZ | t\n" 2190" ZMap | ZMap Plus " 2191"Grid | t" 2192 2193#. Tag: title 2194#: reference_raster.xml:1021 2195#, no-c-format 2196msgid "Example: List of options for each driver" 2197msgstr "例: ドライバ毎のオプション一覧" 2198 2199#. Tag: programlisting 2200#: reference_raster.xml:1022 2201#, no-c-format 2202msgid "" 2203"-- Output the create options XML column of JPEG as a table --\n" 2204"-- Note you can use these creator options in ST_AsGDALRaster options " 2205"argument\n" 2206"SELECT (xpath('@name', g.opt))[1]::text As oname,\n" 2207" (xpath('@type', g.opt))[1]::text As otype,\n" 2208" (xpath('@description', g.opt))[1]::text As descrip\n" 2209"FROM (SELECT unnest(xpath('/CreationOptionList/Option', create_options::" 2210"xml)) As opt\n" 2211"FROM st_gdaldrivers()\n" 2212"WHERE short_name = 'JPEG') As g;\n" 2213"\n" 2214" oname | otype | descrip\n" 2215"--------------------+---------" 2216"+-------------------------------------------------\n" 2217" PROGRESSIVE | boolean | whether to generate a progressive JPEG\n" 2218" QUALITY | int | good=100, bad=0, default=75\n" 2219" WORLDFILE | boolean | whether to geneate a worldfile\n" 2220" INTERNAL_MASK | boolean | whether to generate a validity mask\n" 2221" COMMENT | string | Comment\n" 2222" SOURCE_ICC_PROFILE | string | ICC profile encoded in Base64\n" 2223" EXIF_THUMBNAIL | boolean | whether to generate an EXIF " 2224"thumbnail(overview).\n" 2225" By default its max dimension will be 128\n" 2226" THUMBNAIL_WIDTH | int | Forced thumbnail width\n" 2227" THUMBNAIL_HEIGHT | int | Forced thumbnail height\n" 2228"(9 rows)" 2229msgstr "" 2230"-- JPEGのXMLカラムから生成オプションをテーブルとして出力します --\n" 2231"-- この生成オプションはST_AsGDALRasterのオプション引数で使えます --\n" 2232"SELECT (xpath('@name', g.opt))[1]::text As oname,\n" 2233" (xpath('@type', g.opt))[1]::text As otype,\n" 2234" (xpath('@description', g.opt))[1]::text As descrip\n" 2235"FROM (SELECT unnest(xpath('/CreationOptionList/Option', create_options::" 2236"xml)) As opt\n" 2237"FROM st_gdaldrivers()\n" 2238"WHERE short_name = 'JPEG') As g;\n" 2239"\n" 2240" oname | otype | descrip\n" 2241"--------------------+---------" 2242"+-------------------------------------------------\n" 2243" PROGRESSIVE | boolean | whether to generate a progressive JPEG\n" 2244" QUALITY | int | good=100, bad=0, default=75\n" 2245" WORLDFILE | boolean | whether to geneate a worldfile\n" 2246" INTERNAL_MASK | boolean | whether to generate a validity mask\n" 2247" COMMENT | string | Comment\n" 2248" SOURCE_ICC_PROFILE | string | ICC profile encoded in Base64\n" 2249" EXIF_THUMBNAIL | boolean | whether to generate an EXIF " 2250"thumbnail(overview).\n" 2251" By default its max dimension will be 128\n" 2252" THUMBNAIL_WIDTH | int | Forced thumbnail width\n" 2253" THUMBNAIL_HEIGHT | int | Forced thumbnail height\n" 2254"(9 rows)" 2255 2256#. Tag: programlisting 2257#: reference_raster.xml:1024 2258#, no-c-format 2259msgid "" 2260"-- raw xml output for creator options for GeoTiff --\n" 2261"SELECT create_options\n" 2262"FROM st_gdaldrivers()\n" 2263"WHERE short_name = 'GTiff';\n" 2264"\n" 2265"<![CDATA[<CreationOptionList>\n" 2266" <Option name=\"COMPRESS\" type=\"string-select\">\n" 2267" <Value>NONE</Value>\n" 2268" <Value>LZW</Value>\n" 2269" <Value>PACKBITS</Value>\n" 2270" <Value>JPEG</Value>\n" 2271" <Value>CCITTRLE</Value>\n" 2272" <Value>CCITTFAX3</Value>\n" 2273" <Value>CCITTFAX4</Value>\n" 2274" <Value>DEFLATE</Value>\n" 2275" </Option>\n" 2276" <Option name=\"PREDICTOR\" type=\"int\" description=\"Predictor Type\"/" 2277">\n" 2278" <Option name=\"JPEG_QUALITY\" type=\"int\" description=\"JPEG quality " 2279"1-100\" default=\"75\"/>\n" 2280" <Option name=\"ZLEVEL\" type=\"int\" description=\"DEFLATE compression " 2281"level 1-9\" default=\"6\"/>\n" 2282" <Option name=\"NBITS\" type=\"int\" description=\"BITS for sub-byte " 2283"files (1-7), sub-uint16 (9-15), sub-uint32 (17-31)\"/>\n" 2284" <Option name=\"INTERLEAVE\" type=\"string-select\" default=\"PIXEL\">\n" 2285" <Value>BAND</Value>\n" 2286" <Value>PIXEL</Value>\n" 2287" </Option>\n" 2288" <Option name=\"TILED\" type=\"boolean\" description=\"Switch to tiled " 2289"format\"/>\n" 2290" <Option name=\"TFW\" type=\"boolean\" description=\"Write out world file" 2291"\"/>\n" 2292" <Option name=\"RPB\" type=\"boolean\" description=\"Write out .RPB (RPC) " 2293"file\"/>\n" 2294" <Option name=\"BLOCKXSIZE\" type=\"int\" description=\"Tile Width\"/>\n" 2295" <Option name=\"BLOCKYSIZE\" type=\"int\" description=\"Tile/Strip Height" 2296"\"/>\n" 2297" <Option name=\"PHOTOMETRIC\" type=\"string-select\">\n" 2298" <Value>MINISBLACK</Value>\n" 2299" <Value>MINISWHITE</Value>\n" 2300" <Value>PALETTE</Value>\n" 2301" <Value>RGB</Value>\n" 2302" <Value>CMYK</Value>\n" 2303" <Value>YCBCR</Value>\n" 2304" <Value>CIELAB</Value>\n" 2305" <Value>ICCLAB</Value>\n" 2306" <Value>ITULAB</Value>\n" 2307" </Option>\n" 2308" <Option name=\"SPARSE_OK\" type=\"boolean\" description=\"Can newly " 2309"created files have missing blocks?\" default=\"FALSE\"/>\n" 2310" <Option name=\"ALPHA\" type=\"boolean\" description=\"Mark first " 2311"extrasample as being alpha\"/>\n" 2312" <Option name=\"PROFILE\" type=\"string-select\" default=\"GDALGeoTIFF" 2313"\">\n" 2314" <Value>GDALGeoTIFF</Value>\n" 2315" <Value>GeoTIFF</Value>\n" 2316" <Value>BASELINE</Value>\n" 2317" </Option>\n" 2318" <Option name=\"PIXELTYPE\" type=\"string-select\">\n" 2319" <Value>DEFAULT</Value>\n" 2320" <Value>SIGNEDBYTE</Value>\n" 2321" </Option>\n" 2322" <Option name=\"BIGTIFF\" type=\"string-select\" description=\"Force " 2323"creation of BigTIFF file\">\n" 2324" <Value>YES</Value>\n" 2325" <Value>NO</Value>\n" 2326" <Value>IF_NEEDED</Value>\n" 2327" <Value>IF_SAFER</Value>\n" 2328" </Option>\n" 2329" <Option name=\"ENDIANNESS\" type=\"string-select\" default=\"NATIVE\" " 2330"description=\"Force endianness of created file. For DEBUG purpose mostly\">\n" 2331" <Value>NATIVE</Value>\n" 2332" <Value>INVERTED</Value>\n" 2333" <Value>LITTLE</Value>\n" 2334" <Value>BIG</Value>\n" 2335" </Option>\n" 2336" <Option name=\"COPY_SRC_OVERVIEWS\" type=\"boolean\" default=\"NO\" " 2337"description=\"Force copy of overviews of source dataset (CreateCopy())\"/>\n" 2338"</CreationOptionList>]]>\n" 2339"\n" 2340"-- Output the create options XML column for GTiff as a table --\n" 2341"SELECT (xpath('@name', g.opt))[1]::text As oname,\n" 2342" (xpath('@type', g.opt))[1]::text As otype,\n" 2343" (xpath('@description', g.opt))[1]::text As descrip,\n" 2344" array_to_string(xpath('Value/text()', g.opt),', ') As vals\n" 2345"FROM (SELECT unnest(xpath('/CreationOptionList/Option', create_options::" 2346"xml)) As opt\n" 2347"FROM st_gdaldrivers()\n" 2348"WHERE short_name = 'GTiff') As g;\n" 2349"\n" 2350" oname | otype | " 2351"descrip | " 2352"vals\n" 2353"--------------------+---------------" 2354"+----------------------------------------------------------------------" 2355"+---------------------------------------------------------------------------\n" 2356" COMPRESS | string-select " 2357"| | " 2358"NONE, LZW, PACKBITS, JPEG, CCITTRLE, CCITTFAX3, CCITTFAX4, DEFLATE\n" 2359" PREDICTOR | int | Predictor " 2360"Type |\n" 2361" JPEG_QUALITY | int | JPEG quality " 2362"1-100 |\n" 2363" ZLEVEL | int | DEFLATE compression level " 2364"1-9 |\n" 2365" NBITS | int | BITS for sub-byte files (1-7), sub-" 2366"uint16 (9-15), sub-uint32 (17-31) |\n" 2367" INTERLEAVE | string-select " 2368"| | " 2369"BAND, PIXEL\n" 2370" TILED | boolean | Switch to tiled " 2371"format |\n" 2372" TFW | boolean | Write out world " 2373"file |\n" 2374" RPB | boolean | Write out .RPB (RPC) " 2375"file |\n" 2376" BLOCKXSIZE | int | Tile " 2377"Width |\n" 2378" BLOCKYSIZE | int | Tile/Strip " 2379"Height |\n" 2380" PHOTOMETRIC | string-select " 2381"| | " 2382"MINISBLACK, MINISWHITE, PALETTE, RGB, CMYK, YCBCR, CIELAB, ICCLAB, ITULAB\n" 2383" SPARSE_OK | boolean | Can newly created files have missing " 2384"blocks? |\n" 2385" ALPHA | boolean | Mark first extrasample as being " 2386"alpha |\n" 2387" PROFILE | string-select " 2388"| | " 2389"GDALGeoTIFF, GeoTIFF, BASELINE\n" 2390" PIXELTYPE | string-select " 2391"| | " 2392"DEFAULT, SIGNEDBYTE\n" 2393" BIGTIFF | string-select | Force creation of BigTIFF " 2394"file | YES, NO, IF_NEEDED, IF_SAFER\n" 2395" ENDIANNESS | string-select | Force endianness of created file. For " 2396"DEBUG purpose mostly | NATIVE, INVERTED, LITTLE, BIG\n" 2397" COPY_SRC_OVERVIEWS | boolean | Force copy of overviews of source " 2398"dataset (CreateCopy()) |\n" 2399"(19 rows)" 2400msgstr "" 2401"-- GeoTIFFの生成オプションを生のXMLで出力します --\n" 2402"SELECT create_options\n" 2403"FROM st_gdaldrivers()\n" 2404"WHERE short_name = 'GTiff';\n" 2405"\n" 2406"<![CDATA[<CreationOptionList>\n" 2407" <Option name=\"COMPRESS\" type=\"string-select\">\n" 2408" <Value>NONE</Value>\n" 2409" <Value>LZW</Value>\n" 2410" <Value>PACKBITS</Value>\n" 2411" <Value>JPEG</Value>\n" 2412" <Value>CCITTRLE</Value>\n" 2413" <Value>CCITTFAX3</Value>\n" 2414" <Value>CCITTFAX4</Value>\n" 2415" <Value>DEFLATE</Value>\n" 2416" </Option>\n" 2417" <Option name=\"PREDICTOR\" type=\"int\" description=\"Predictor Type\"/" 2418">\n" 2419" <Option name=\"JPEG_QUALITY\" type=\"int\" description=\"JPEG quality " 2420"1-100\" default=\"75\"/>\n" 2421" <Option name=\"ZLEVEL\" type=\"int\" description=\"DEFLATE compression " 2422"level 1-9\" default=\"6\"/>\n" 2423" <Option name=\"NBITS\" type=\"int\" description=\"BITS for sub-byte " 2424"files (1-7), sub-uint16 (9-15), sub-uint32 (17-31)\"/>\n" 2425" <Option name=\"INTERLEAVE\" type=\"string-select\" default=\"PIXEL\">\n" 2426" <Value>BAND</Value>\n" 2427" <Value>PIXEL</Value>\n" 2428" </Option>\n" 2429" <Option name=\"TILED\" type=\"boolean\" description=\"Switch to tiled " 2430"format\"/>\n" 2431" <Option name=\"TFW\" type=\"boolean\" description=\"Write out world file" 2432"\"/>\n" 2433" <Option name=\"RPB\" type=\"boolean\" description=\"Write out .RPB (RPC) " 2434"file\"/>\n" 2435" <Option name=\"BLOCKXSIZE\" type=\"int\" description=\"Tile Width\"/>\n" 2436" <Option name=\"BLOCKYSIZE\" type=\"int\" description=\"Tile/Strip Height" 2437"\"/>\n" 2438" <Option name=\"PHOTOMETRIC\" type=\"string-select\">\n" 2439" <Value>MINISBLACK</Value>\n" 2440" <Value>MINISWHITE</Value>\n" 2441" <Value>PALETTE</Value>\n" 2442" <Value>RGB</Value>\n" 2443" <Value>CMYK</Value>\n" 2444" <Value>YCBCR</Value>\n" 2445" <Value>CIELAB</Value>\n" 2446" <Value>ICCLAB</Value>\n" 2447" <Value>ITULAB</Value>\n" 2448" </Option>\n" 2449" <Option name=\"SPARSE_OK\" type=\"boolean\" description=\"Can newly " 2450"created files have missing blocks?\" default=\"FALSE\"/>\n" 2451" <Option name=\"ALPHA\" type=\"boolean\" description=\"Mark first " 2452"extrasample as being alpha\"/>\n" 2453" <Option name=\"PROFILE\" type=\"string-select\" default=\"GDALGeoTIFF" 2454"\">\n" 2455" <Value>GDALGeoTIFF</Value>\n" 2456" <Value>GeoTIFF</Value>\n" 2457" <Value>BASELINE</Value>\n" 2458" </Option>\n" 2459" <Option name=\"PIXELTYPE\" type=\"string-select\">\n" 2460" <Value>DEFAULT</Value>\n" 2461" <Value>SIGNEDBYTE</Value>\n" 2462" </Option>\n" 2463" <Option name=\"BIGTIFF\" type=\"string-select\" description=\"Force " 2464"creation of BigTIFF file\">\n" 2465" <Value>YES</Value>\n" 2466" <Value>NO</Value>\n" 2467" <Value>IF_NEEDED</Value>\n" 2468" <Value>IF_SAFER</Value>\n" 2469" </Option>\n" 2470" <Option name=\"ENDIANNESS\" type=\"string-select\" default=\"NATIVE\" " 2471"description=\"Force endianness of created file. For DEBUG purpose mostly\">\n" 2472" <Value>NATIVE</Value>\n" 2473" <Value>INVERTED</Value>\n" 2474" <Value>LITTLE</Value>\n" 2475" <Value>BIG</Value>\n" 2476" </Option>\n" 2477" <Option name=\"COPY_SRC_OVERVIEWS\" type=\"boolean\" default=\"NO\" " 2478"description=\"Force copy of overviews of source dataset (CreateCopy())\"/>\n" 2479"</CreationOptionList>]]>\n" 2480"\n" 2481"-- GeoTIFF生成オプションのXMLをテーブルとして出力します --\n" 2482"-- Output the create options XML column for GTiff as a table --\n" 2483"SELECT (xpath('@name', g.opt))[1]::text As oname,\n" 2484" (xpath('@type', g.opt))[1]::text As otype,\n" 2485" (xpath('@description', g.opt))[1]::text As descrip,\n" 2486" array_to_string(xpath('Value/text()', g.opt),', ') As vals\n" 2487"FROM (SELECT unnest(xpath('/CreationOptionList/Option', create_options::" 2488"xml)) As opt\n" 2489"FROM st_gdaldrivers()\n" 2490"WHERE short_name = 'GTiff') As g;\n" 2491"\n" 2492" oname | otype | " 2493"descrip | " 2494"vals\n" 2495"--------------------+---------------" 2496"+----------------------------------------------------------------------" 2497"+---------------------------------------------------------------------------\n" 2498" COMPRESS | string-select " 2499"| | " 2500"NONE, LZW, PACKBITS, JPEG, CCITTRLE, CCITTFAX3, CCITTFAX4, DEFLATE\n" 2501" PREDICTOR | int | Predictor " 2502"Type |\n" 2503" JPEG_QUALITY | int | JPEG quality " 2504"1-100 |\n" 2505" ZLEVEL | int | DEFLATE compression level " 2506"1-9 |\n" 2507" NBITS | int | BITS for sub-byte files (1-7), sub-" 2508"uint16 (9-15), sub-uint32 (17-31) |\n" 2509" INTERLEAVE | string-select " 2510"| | " 2511"BAND, PIXEL\n" 2512" TILED | boolean | Switch to tiled " 2513"format |\n" 2514" TFW | boolean | Write out world " 2515"file |\n" 2516" RPB | boolean | Write out .RPB (RPC) " 2517"file |\n" 2518" BLOCKXSIZE | int | Tile " 2519"Width |\n" 2520" BLOCKYSIZE | int | Tile/Strip " 2521"Height |\n" 2522" PHOTOMETRIC | string-select " 2523"| | " 2524"MINISBLACK, MINISWHITE, PALETTE, RGB, CMYK, YCBCR, CIELAB, ICCLAB, ITULAB\n" 2525" SPARSE_OK | boolean | Can newly created files have missing " 2526"blocks? |\n" 2527" ALPHA | boolean | Mark first extrasample as being " 2528"alpha |\n" 2529" PROFILE | string-select " 2530"| | " 2531"GDALGeoTIFF, GeoTIFF, BASELINE\n" 2532" PIXELTYPE | string-select " 2533"| | " 2534"DEFAULT, SIGNEDBYTE\n" 2535" BIGTIFF | string-select | Force creation of BigTIFF " 2536"file | YES, NO, IF_NEEDED, IF_SAFER\n" 2537" ENDIANNESS | string-select | Force endianness of created file. For " 2538"DEBUG purpose mostly | NATIVE, INVERTED, LITTLE, BIG\n" 2539" COPY_SRC_OVERVIEWS | boolean | Force copy of overviews of source " 2540"dataset (CreateCopy()) |\n" 2541"(19 rows)" 2542 2543#. Tag: para 2544#: reference_raster.xml:1030 2545#, no-c-format 2546msgid "" 2547", <xref linkend=\"ST_SRID\"/>, <xref linkend=\"postgis_gdal_enabled_drivers" 2548"\"/>" 2549msgstr "" 2550", <xref linkend=\"ST_SRID\"/>, <xref linkend=\"postgis_gdal_enabled_drivers" 2551"\"/>" 2552 2553#. Tag: refname 2554#: reference_raster.xml:1036 2555#, no-c-format 2556msgid "UpdateRasterSRID" 2557msgstr "UpdateRasterSRID" 2558 2559#. Tag: refpurpose 2560#: reference_raster.xml:1037 2561#, no-c-format 2562msgid "Change the SRID of all rasters in the user-specified column and table." 2563msgstr "" 2564"ユーザが指定したカラムとテーブルにあるラスタの全てについてSRIDを変更します。" 2565 2566#. Tag: funcsynopsis 2567#: reference_raster.xml:1043 2568#, no-c-format 2569msgid "" 2570"<funcprototype> <funcdef>raster <function>UpdateRasterSRID</function></" 2571"funcdef> <paramdef><type>name </type> <parameter>schema_name</parameter></" 2572"paramdef> <paramdef><type>name </type> <parameter>table_name</parameter></" 2573"paramdef> <paramdef><type>name </type> <parameter>column_name</parameter></" 2574"paramdef> <paramdef><type>integer </type> <parameter>new_srid</parameter></" 2575"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 2576"<function>UpdateRasterSRID</function></funcdef> <paramdef><type>name </type> " 2577"<parameter>table_name</parameter></paramdef> <paramdef><type>name </type> " 2578"<parameter>column_name</parameter></paramdef> <paramdef><type>integer </" 2579"type> <parameter>new_srid</parameter></paramdef> </funcprototype>" 2580msgstr "" 2581"<funcprototype> <funcdef>raster <function>UpdateRasterSRID</function></" 2582"funcdef> <paramdef><type>name </type> <parameter>schema_name</parameter></" 2583"paramdef> <paramdef><type>name </type> <parameter>table_name</parameter></" 2584"paramdef> <paramdef><type>name </type> <parameter>column_name</parameter></" 2585"paramdef> <paramdef><type>integer </type> <parameter>new_srid</parameter></" 2586"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 2587"<function>UpdateRasterSRID</function></funcdef> <paramdef><type>name </type> " 2588"<parameter>table_name</parameter></paramdef> <paramdef><type>name </type> " 2589"<parameter>column_name</parameter></paramdef> <paramdef><type>integer </" 2590"type> <parameter>new_srid</parameter></paramdef> </funcprototype>" 2591 2592#. Tag: para 2593#: reference_raster.xml:1066 2594#, no-c-format 2595msgid "" 2596"Change the SRID of all rasters in the user-specified column and table. The " 2597"function will drop all appropriate column constraints (extent, alignment and " 2598"SRID) before changing the SRID of the specified column's rasters." 2599msgstr "" 2600"ユーザが指定したカラムとテーブルにあるラスタの全てについてSRIDを変更します。" 2601"この関数は全ての適切なカラム制約 (extent, alignment, SRID)を削除してから、指" 2602"定したカラムのラスタのSRIDを変更します。" 2603 2604#. Tag: para 2605#: reference_raster.xml:1071 2606#, no-c-format 2607msgid "" 2608"The data (band pixel values) of the rasters are not touched by this " 2609"function. Only the raster's metadata is changed." 2610msgstr "" 2611"この関数はラスタのデータ (バンドピクセル値)を触りません。ラスタのメタデータの" 2612"み変更します。" 2613 2614#. Tag: para 2615#: reference_raster.xml:1076 reference_raster.xml:1746 2616#: reference_raster.xml:1847 reference_raster.xml:2297 2617#: reference_raster.xml:2592 reference_raster.xml:2747 2618#: reference_raster.xml:3390 reference_raster.xml:3444 2619#: reference_raster.xml:3488 reference_raster.xml:3542 2620#: reference_raster.xml:3699 reference_raster.xml:3796 2621#: reference_raster.xml:3981 reference_raster.xml:4084 2622#: reference_raster.xml:4181 reference_raster.xml:6699 2623#: reference_raster.xml:7293 reference_raster.xml:7484 2624#: reference_raster.xml:8758 reference_raster.xml:9043 2625#: reference_raster.xml:9491 reference_raster.xml:9624 2626#: reference_raster.xml:9675 reference_raster.xml:9912 2627#: reference_raster.xml:10165 reference_raster.xml:10437 2628#: reference_raster.xml:10524 reference_raster.xml:10605 2629#: reference_raster.xml:10686 reference_raster.xml:10767 2630#: reference_raster.xml:10980 reference_raster.xml:11060 2631#: reference_raster.xml:11217 reference_raster.xml:11304 2632#: reference_raster.xml:11399 reference_raster.xml:11492 2633#, no-c-format 2634msgid "Availability: 2.1.0" 2635msgstr "Availability: 2.1.0" 2636 2637#. Tag: refname 2638#: reference_raster.xml:1088 2639#, no-c-format 2640msgid "ST_CreateOverview" 2641msgstr "ST_CreateOverview" 2642 2643#. Tag: refpurpose 2644#: reference_raster.xml:1089 2645#, no-c-format 2646msgid "Create an reduced resolution version of a given raster coverage." 2647msgstr "与えられたラスタカバレッジから解像度を落としたものを生成します。" 2648 2649#. Tag: funcprototype 2650#: reference_raster.xml:1097 2651#, no-c-format 2652msgid "" 2653"<funcdef>regclass <function>ST_CreateOverview</function></funcdef> " 2654"<paramdef><type>regclass </type> <parameter>tab</parameter></paramdef> " 2655"<paramdef><type>name </type> <parameter>col</parameter></paramdef> " 2656"<paramdef><type>int </type> <parameter>factor</parameter></paramdef> " 2657"<paramdef choice=\"opt\"><type>text </type> " 2658"<parameter>algo='NearestNeighbor'</parameter></paramdef>" 2659msgstr "" 2660"<funcdef>regclass <function>ST_CreateOverview</function></funcdef> " 2661"<paramdef><type>regclass </type> <parameter>tab</parameter></paramdef> " 2662"<paramdef><type>name </type> <parameter>col</parameter></paramdef> " 2663"<paramdef><type>int </type> <parameter>factor</parameter></paramdef> " 2664"<paramdef choice=\"opt\"><type>text </type> " 2665"<parameter>algo='NearestNeighbor'</parameter></paramdef>" 2666 2667#. Tag: para 2668#: reference_raster.xml:1111 2669#, no-c-format 2670msgid "" 2671"Create an overview table with resampled tiles from the source table. Output " 2672"tiles will have the same size of input tiles and cover the same spatial " 2673"extent with a lower resolution (pixel size will be 1/<varname>factor</" 2674"varname> of the original in both directions)." 2675msgstr "" 2676"元のテーブルからリサンプリングを施したタイルのオーバビューテーブルを生成しま" 2677"す。出力タイルは入力タイルと同じサイズで、同じ空間範囲を持ち、入力タイルより" 2678"低い解像度 (ピクセル数は縦横ともに元のタイルの1/<varname>factor</varname>倍に" 2679"なります)を持ちます。" 2680 2681#. Tag: para 2682#: reference_raster.xml:1118 2683#, no-c-format 2684msgid "" 2685"The overview table will be made available in the <varname>raster_overviews</" 2686"varname> catalog and will have raster constraints enforced." 2687msgstr "" 2688"オーバビューテーブルは<varname>raster_overviews</varname>カタログに出現し、ラ" 2689"スタ制約を持ちます。" 2690 2691#. Tag: para 2692#: reference_raster.xml:1124 reference_raster.xml:1805 2693#: reference_raster.xml:4891 2694#, no-c-format 2695msgid "" 2696"Algorithm options are: 'NearestNeighbor', 'Bilinear', 'Cubic', " 2697"'CubicSpline', and 'Lanczos'. Refer to: <ulink url=\"http://www.gdal.org/" 2698"gdalwarp.html\">GDAL Warp resampling methods</ulink> for more details." 2699msgstr "" 2700"アルゴリズム指定オプションは'NearestNeighbor', 'Bilinear', 'Cubic', " 2701"'CubicSpline', 'Lanczos'です。詳細については<ulink url=\"http://www.gdal.org/" 2702"gdalwarp.html\">GDAL Warp resampling methods</ulink>をご覧ください。" 2703 2704#. Tag: para 2705#: reference_raster.xml:1126 reference_raster.xml:1807 2706#: reference_raster.xml:2006 reference_raster.xml:5278 2707#: reference_raster.xml:5657 2708#, no-c-format 2709msgid "Availability: 2.2.0" 2710msgstr "Availability: 2.2.0" 2711 2712#. Tag: title 2713#: reference_raster.xml:1129 2714#, no-c-format 2715msgid "Example" 2716msgstr "例" 2717 2718#. Tag: para 2719#: reference_raster.xml:1130 2720#, no-c-format 2721msgid "Output to generally better quality but slower to product format" 2722msgstr "高品質ですが遅い生成書式での出力" 2723 2724#. Tag: programlisting 2725#: reference_raster.xml:1131 2726#, no-c-format 2727msgid "" 2728"SELECT ST_CreateOverview('mydata.mytable'::regclass, 'rast', 2, 'Lanczos');" 2729msgstr "" 2730"SELECT ST_CreateOverview('mydata.mytable'::regclass, 'rast', 2, 'Lanczos');" 2731 2732#. Tag: para 2733#: reference_raster.xml:1133 2734#, no-c-format 2735msgid "Output to faster to process default nearest neighbor" 2736msgstr "デフォルトの最近傍補間を使った早い処理による出力" 2737 2738#. Tag: programlisting 2739#: reference_raster.xml:1134 2740#, no-c-format 2741msgid "SELECT ST_CreateOverview('mydata.mytable'::regclass, 'rast', 2);" 2742msgstr "SELECT ST_CreateOverview('mydata.mytable'::regclass, 'rast', 2);" 2743 2744#. Tag: para 2745#: reference_raster.xml:1139 2746#, no-c-format 2747msgid "" 2748", <xref linkend=\"RT_AddOverviewConstraints\"/>, <xref linkend=" 2749"\"RT_AddRasterConstraints\"/>, <xref linkend=\"RT_Raster_Overviews\"/>" 2750msgstr "" 2751", <xref linkend=\"RT_AddOverviewConstraints\"/>, <xref linkend=" 2752"\"RT_AddRasterConstraints\"/>, <xref linkend=\"RT_Raster_Overviews\"/>" 2753 2754#. Tag: title 2755#: reference_raster.xml:1150 2756#, no-c-format 2757msgid "Raster Constructors" 2758msgstr "ラスタコンストラクタ" 2759 2760#. Tag: refname 2761#: reference_raster.xml:1154 2762#, no-c-format 2763msgid "ST_AddBand" 2764msgstr "ST_AddBand" 2765 2766#. Tag: refpurpose 2767#: reference_raster.xml:1155 2768#, no-c-format 2769msgid "" 2770"Returns a raster with the new band(s) of given type added with given initial " 2771"value in the given index location. If no index is specified, the band is " 2772"added to the end." 2773msgstr "" 2774"与えられたタイプで、与えられた初期値にした新しいバンドを、与えられたインデク" 2775"ス位置に追加したラスタを返します。インデクス位置を指定していない場合には、バ" 2776"ンドは末尾に追加されます。" 2777 2778#. Tag: funcsynopsis 2779#: reference_raster.xml:1161 2780#, no-c-format 2781msgid "" 2782"<funcprototype> <funcdef>(1) raster <function>ST_AddBand</function></" 2783"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 2784"paramdef> <paramdef><type>addbandarg[] </type> <parameter>addbandargset</" 2785"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>(2) raster " 2786"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2787"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 2788"<parameter>index</parameter></paramdef> <paramdef><type>text </type> " 2789"<parameter>pixeltype</parameter></paramdef> <paramdef choice=\"opt" 2790"\"><type>double precision </type> <parameter>initialvalue=0</parameter></" 2791"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 2792"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 2793"<funcprototype> <funcdef>(3) raster <function>ST_AddBand</function></" 2794"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 2795"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 2796"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 2797"<parameter>initialvalue=0</parameter></paramdef> <paramdef choice=\"opt" 2798"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 2799"paramdef> </funcprototype> <funcprototype> <funcdef>(4) raster " 2800"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2801"<parameter>torast</parameter></paramdef> <paramdef><type>raster </type> " 2802"<parameter>fromrast</parameter></paramdef> <paramdef choice=\"opt" 2803"\"><type>integer </type> <parameter>fromband=1</parameter></paramdef> " 2804"<paramdef choice=\"opt\"><type>integer </type> " 2805"<parameter>torastindex=at_end</parameter></paramdef> </funcprototype> " 2806"<funcprototype> <funcdef>(5) raster <function>ST_AddBand</function></" 2807"funcdef> <paramdef><type>raster </type> <parameter>torast</parameter></" 2808"paramdef> <paramdef><type>raster[] </type> <parameter>fromrasts</parameter></" 2809"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 2810"<parameter>fromband=1</parameter></paramdef> <paramdef choice=\"opt" 2811"\"><type>integer </type> <parameter>torastindex=at_end</parameter></" 2812"paramdef> </funcprototype> <funcprototype> <funcdef>(6) raster " 2813"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2814"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 2815"<parameter>index</parameter></paramdef> <paramdef><type>text </type> " 2816"<parameter>outdbfile</parameter></paramdef> <paramdef><type>integer[] </" 2817"type> <parameter>outdbindex</parameter></paramdef> <paramdef choice=\"opt" 2818"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 2819"paramdef> </funcprototype> <funcprototype> <funcdef>(7) raster " 2820"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2821"<parameter>rast</parameter></paramdef> <paramdef><type>text </type> " 2822"<parameter>outdbfile</parameter></paramdef> <paramdef><type>integer[] </" 2823"type> <parameter>outdbindex</parameter></paramdef> <paramdef choice=\"opt" 2824"\"><type>integer </type> <parameter>index=at_end</parameter></paramdef> " 2825"<paramdef choice=\"opt\"><type>double precision </type> " 2826"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype>" 2827msgstr "" 2828"<funcprototype> <funcdef>(1) raster <function>ST_AddBand</function></" 2829"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 2830"paramdef> <paramdef><type>addbandarg[] </type> <parameter>addbandargset</" 2831"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>(2) raster " 2832"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2833"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 2834"<parameter>index</parameter></paramdef> <paramdef><type>text </type> " 2835"<parameter>pixeltype</parameter></paramdef> <paramdef choice=\"opt" 2836"\"><type>double precision </type> <parameter>initialvalue=0</parameter></" 2837"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 2838"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 2839"<funcprototype> <funcdef>(3) raster <function>ST_AddBand</function></" 2840"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 2841"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 2842"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 2843"<parameter>initialvalue=0</parameter></paramdef> <paramdef choice=\"opt" 2844"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 2845"paramdef> </funcprototype> <funcprototype> <funcdef>(4) raster " 2846"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2847"<parameter>torast</parameter></paramdef> <paramdef><type>raster </type> " 2848"<parameter>fromrast</parameter></paramdef> <paramdef choice=\"opt" 2849"\"><type>integer </type> <parameter>fromband=1</parameter></paramdef> " 2850"<paramdef choice=\"opt\"><type>integer </type> " 2851"<parameter>torastindex=at_end</parameter></paramdef> </funcprototype> " 2852"<funcprototype> <funcdef>(5) raster <function>ST_AddBand</function></" 2853"funcdef> <paramdef><type>raster </type> <parameter>torast</parameter></" 2854"paramdef> <paramdef><type>raster[] </type> <parameter>fromrasts</parameter></" 2855"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 2856"<parameter>fromband=1</parameter></paramdef> <paramdef choice=\"opt" 2857"\"><type>integer </type> <parameter>torastindex=at_end</parameter></" 2858"paramdef> </funcprototype> <funcprototype> <funcdef>(6) raster " 2859"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2860"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 2861"<parameter>index</parameter></paramdef> <paramdef><type>text </type> " 2862"<parameter>outdbfile</parameter></paramdef> <paramdef><type>integer[] </" 2863"type> <parameter>outdbindex</parameter></paramdef> <paramdef choice=\"opt" 2864"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 2865"paramdef> </funcprototype> <funcprototype> <funcdef>(7) raster " 2866"<function>ST_AddBand</function></funcdef> <paramdef><type>raster </type> " 2867"<parameter>rast</parameter></paramdef> <paramdef><type>text </type> " 2868"<parameter>outdbfile</parameter></paramdef> <paramdef><type>integer[] </" 2869"type> <parameter>outdbindex</parameter></paramdef> <paramdef choice=\"opt" 2870"\"><type>integer </type> <parameter>index=at_end</parameter></paramdef> " 2871"<paramdef choice=\"opt\"><type>double precision </type> " 2872"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype>" 2873 2874#. Tag: para 2875#: reference_raster.xml:1226 2876#, no-c-format 2877msgid "" 2878"Returns a raster with a new band added in given position (index), of given " 2879"type, of given initial value, and of given nodata value. If no index is " 2880"specified, the band is added to the end. If no <varname>fromband</varname> " 2881"is specified, band 1 is assumed. Pixel type is a string representation of " 2882"one of the pixel types specified in <xref linkend=\"RT_ST_BandPixelType\"/>. " 2883"If an existing index is specified all subsequent bands >= that index are " 2884"incremented by 1. If an initial value greater than the max of the pixel type " 2885"is specified, then the initial value is set to the highest value allowed by " 2886"the pixel type." 2887msgstr "" 2888"与えられたタイプで、与えられた初期値にし、与えられたNODATA値を付した新しいバ" 2889"ンドを追加したラスタを返します。インデクス位置を指定していない場合には、バン" 2890"ドは末尾に追加されます。<varname>fromband</varname>が指定されない場合には、1" 2891"番バンドと仮定します。ピクセルタイプは<xref linkend=\"RT_ST_BandPixelType\"/>" 2892"で指定されているピクセルタイプの文字列表現です。既存のインデクスが指定された" 2893"場合には、以降のバンドは全て1以上足されたインデクスになります。初期値としてピ" 2894"クセルタイプの最大値を超えた値が指定された場合には、初期値にピクセルタイプの" 2895"許容最大値が指定されます。" 2896 2897#. Tag: para 2898#: reference_raster.xml:1230 2899#, no-c-format 2900msgid "" 2901"For the variant that takes an array of <xref linkend=\"addbandarg\"/> " 2902"(Variant 1), a specific addbandarg's index value is relative to the raster " 2903"at the time when the band described by that addbandarg is being added to the " 2904"raster. See the Multiple New Bands example below." 2905msgstr "" 2906"<xref linkend=\"addbandarg\"/>の配列を取る版 (一つ目の版)では、指定した" 2907"addbandargのインデクス値は、addbandargで示されるバンドがラスタに追加される時" 2908"のラスタとの相対値です。下の複数バンドの例を参照してください。" 2909 2910#. Tag: para 2911#: reference_raster.xml:1234 2912#, no-c-format 2913msgid "" 2914"For the variant that takes an array of rasters (Variant 5), if " 2915"<varname>torast</varname> is NULL then the <varname>fromband</varname> band " 2916"of each raster in the array is accumulated into a new raster." 2917msgstr "" 2918"ラスタの配列を取る版 (五つ目の版)では、<varname>torast</varname>がNULLなら、" 2919"配列内のラスタごとの<varname>fromband</varname>のバンドが新しいラスタに集約さ" 2920"れます。" 2921 2922#. Tag: para 2923#: reference_raster.xml:1238 2924#, no-c-format 2925msgid "" 2926"For the variants that take <varname>outdbfile</varname> (Variants 6 and 7), " 2927"the value must include the full path to the raster file. The file must also " 2928"be accessible to the postgres server process." 2929msgstr "" 2930"<varname>outdbfile</varname>を取る版 (六つ目と七つ目の版)では、値はラスタファ" 2931"イルへのフルパスを含まなければなりません。また、ファイルはPostgreSQLサーバプ" 2932"ロセスがアクセス可能でなければなりません。" 2933 2934#. Tag: para 2935#: reference_raster.xml:1242 2936#, no-c-format 2937msgid "Enhanced: 2.1.0 support for addbandarg added." 2938msgstr "Enhanced: 2.1.0 addbandarg対応が追加されました。" 2939 2940#. Tag: para 2941#: reference_raster.xml:1243 2942#, no-c-format 2943msgid "Enhanced: 2.1.0 support for new out-db bands added." 2944msgstr "Enhanced: 2.1.0 out-dbバンドが追加されました。" 2945 2946#. Tag: title 2947#: reference_raster.xml:1247 2948#, no-c-format 2949msgid "Examples: Single New Band" 2950msgstr "例: 単一バンド" 2951 2952#. Tag: programlisting 2953#: reference_raster.xml:1249 2954#, no-c-format 2955msgid "" 2956"-- Add another band of type 8 bit unsigned integer with pixels initialized " 2957"to 200\n" 2958"UPDATE dummy_rast\n" 2959" SET rast = ST_AddBand(rast,'8BUI'::text,200)\n" 2960"WHERE rid = 1;" 2961msgstr "" 2962"-- 8ビット符号無し整数で初期値200のバンドを追加します\n" 2963"UPDATE dummy_rast\n" 2964" SET rast = ST_AddBand(rast,'8BUI'::text,200)\n" 2965"WHERE rid = 1;" 2966 2967#. Tag: programlisting 2968#: reference_raster.xml:1251 2969#, no-c-format 2970msgid "" 2971"-- Create an empty raster 100x100 units, with upper left right at 0, add 2 " 2972"bands (band 1 is 0/1 boolean bit switch, band2 allows values 0-15)\n" 2973"-- uses addbandargs\n" 2974"INSERT INTO dummy_rast(rid,rast)\n" 2975" VALUES(10, ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 1, -1, 0, 0, " 2976"0),\n" 2977" ARRAY[\n" 2978" ROW(1, '1BB'::text, 0, NULL),\n" 2979" ROW(2, '4BUI'::text, 0, NULL)\n" 2980" ]::addbandarg[]\n" 2981" )\n" 2982" );\n" 2983"\n" 2984"-- output meta data of raster bands to verify all is right --\n" 2985"SELECT (bmd).*\n" 2986"FROM (SELECT ST_BandMetaData(rast,generate_series(1,2)) As bmd\n" 2987" FROM dummy_rast WHERE rid = 10) AS foo;\n" 2988" --result --\n" 2989" pixeltype | nodatavalue | isoutdb | path\n" 2990"-----------+----------------+-------------+---------+------\n" 2991" 1BB | | f |\n" 2992" 4BUI | | f |\n" 2993"\n" 2994"\n" 2995"-- output meta data of raster -\n" 2996"SELECT (rmd).width, (rmd).height, (rmd).numbands\n" 2997"FROM (SELECT ST_MetaData(rast) As rmd\n" 2998" FROM dummy_rast WHERE rid = 10) AS foo;\n" 2999"-- result --\n" 3000" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 3001"| srid | numbands\n" 3002"------------+------------+-------+--------+------------+------------+-------" 3003"+-------+------+----------\n" 3004" 0 | 0 | 100 | 100 | 1 | -1 | 0 | 0 " 3005"| 0 | 2" 3006msgstr "" 3007"-- 100x100単位で左上を0,0とした空のラスタを生成し、\n" 3008"-- 2個のバンドを追加します (1番バンドは0/1の真偽値、2番バンドは0-15を許容)\n" 3009"-- addbandargsを使用しています。\n" 3010"INSERT INTO dummy_rast(rid,rast)\n" 3011" VALUES(10, ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 1, -1, 0, 0, " 3012"0),\n" 3013" ARRAY[\n" 3014" ROW(1, '1BB'::text, 0, NULL),\n" 3015" ROW(2, '4BUI'::text, 0, NULL)\n" 3016" ]::addbandarg[]\n" 3017" )\n" 3018" );\n" 3019"\n" 3020"-- output meta data of raster bands to verify all is right --\n" 3021"SELECT (bmd).*\n" 3022"FROM (SELECT ST_BandMetaData(rast,generate_series(1,2)) As bmd\n" 3023" FROM dummy_rast WHERE rid = 10) AS foo;\n" 3024" --result --\n" 3025" pixeltype | nodatavalue | isoutdb | path\n" 3026"-----------+----------------+-------------+---------+------\n" 3027" 1BB | | f |\n" 3028" 4BUI | | f |\n" 3029"\n" 3030"\n" 3031"-- ラスタのメタデータの出力 --\n" 3032"SELECT (rmd).width, (rmd).height, (rmd).numbands\n" 3033"FROM (SELECT ST_MetaData(rast) As rmd\n" 3034" FROM dummy_rast WHERE rid = 10) AS foo;\n" 3035"-- 結果 --\n" 3036" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 3037"| srid | numbands\n" 3038"------------+------------+-------+--------+------------+------------+-------" 3039"+-------+------+----------\n" 3040" 0 | 0 | 100 | 100 | 1 | -1 | 0 | 0 " 3041"| 0 | 2" 3042 3043#. Tag: title 3044#: reference_raster.xml:1255 3045#, no-c-format 3046msgid "Examples: Multiple New Bands" 3047msgstr "例: 複数の新規バンド" 3048 3049#. Tag: programlisting 3050#: reference_raster.xml:1257 3051#, no-c-format 3052msgid "" 3053"SELECT\n" 3054" *\n" 3055"FROM ST_BandMetadata(\n" 3056" ST_AddBand(\n" 3057" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, 0, 0),\n" 3058" ARRAY[\n" 3059" ROW(NULL, '8BUI', 255, 0),\n" 3060" ROW(NULL, '16BUI', 1, 2),\n" 3061" ROW(2, '32BUI', 100, 12),\n" 3062" ROW(2, '32BF', 3.14, -1)\n" 3063" ]::addbandarg[]\n" 3064" ),\n" 3065" ARRAY[]::integer[]\n" 3066");\n" 3067"\n" 3068" bandnum | pixeltype | nodatavalue | isoutdb | path\n" 3069"---------+-----------+-------------+---------+------\n" 3070" 1 | 8BUI | 0 | f |\n" 3071" 2 | 32BF | -1 | f |\n" 3072" 3 | 32BUI | 12 | f |\n" 3073" 4 | 16BUI | 2 | f |" 3074msgstr "" 3075"SELECT\n" 3076" *\n" 3077"FROM ST_BandMetadata(\n" 3078" ST_AddBand(\n" 3079" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, 0, 0),\n" 3080" ARRAY[\n" 3081" ROW(NULL, '8BUI', 255, 0),\n" 3082" ROW(NULL, '16BUI', 1, 2),\n" 3083" ROW(2, '32BUI', 100, 12),\n" 3084" ROW(2, '32BF', 3.14, -1)\n" 3085" ]::addbandarg[]\n" 3086" ),\n" 3087" ARRAY[]::integer[]\n" 3088");\n" 3089"\n" 3090" bandnum | pixeltype | nodatavalue | isoutdb | path\n" 3091"---------+-----------+-------------+---------+------\n" 3092" 1 | 8BUI | 0 | f |\n" 3093" 2 | 32BF | -1 | f |\n" 3094" 3 | 32BUI | 12 | f |\n" 3095" 4 | 16BUI | 2 | f |" 3096 3097#. Tag: programlisting 3098#: reference_raster.xml:1259 3099#, no-c-format 3100msgid "" 3101"-- Aggregate the 1st band of a table of like rasters into a single raster\n" 3102"-- with as many bands as there are test_types and as many rows (new rasters) " 3103"as there are mice\n" 3104"-- NOTE: The ORDER BY test_type is only supported in PostgreSQL 9.0+\n" 3105"-- for 8.4 and below it usually works to order your data in a subselect (but " 3106"not guaranteed)\n" 3107"-- The resulting raster will have a band for each test_type alphabetical by " 3108"test_type\n" 3109"-- For mouse lovers: No mice were harmed in this exercise\n" 3110"SELECT\n" 3111" mouse,\n" 3112" ST_AddBand(NULL, array_agg(rast ORDER BY test_type), 1) As rast\n" 3113"FROM mice_studies\n" 3114"GROUP BY mouse;" 3115msgstr "" 3116"-- 複数のラスタのようなテーブルの1番バンドを集計して単一ラスタに入れます。\n" 3117"-- test_typeと同じ数のバンドを持つ、マウスの数と同じ行 (新しいラスタ)になりま" 3118"す。\n" 3119"-- ご注意: ORDER BY test_typeは、PostgreSQL 9.0以上でのみ対応します。\n" 3120"-- 8.4以下では副問い合わせ内の並び順になります (保証もされません)。\n" 3121"-- 結果ラスタはtest_typeのアルファベット順でtest_typeごとのバンドを持ちます\n" 3122"-- マウス好きの方へ: この例ではマウスは傷つきませんでした\n" 3123"SELECT\n" 3124" mouse,\n" 3125" ST_AddBand(NULL, array_agg(rast ORDER BY test_type), 1) As rast\n" 3126"FROM mice_studies\n" 3127"GROUP BY mouse;" 3128 3129#. Tag: title 3130#: reference_raster.xml:1263 3131#, no-c-format 3132msgid "Examples: New Out-db band" 3133msgstr "例: データベース外のバンド" 3134 3135#. Tag: programlisting 3136#: reference_raster.xml:1264 3137#, no-c-format 3138msgid "" 3139"SELECT\n" 3140" *\n" 3141"FROM ST_BandMetadata(\n" 3142" ST_AddBand(\n" 3143" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, 0, 0),\n" 3144" '/home/raster/mytestraster.tif'::text, NULL::int[]\n" 3145" ),\n" 3146" ARRAY[]::integer[]\n" 3147");\n" 3148"\n" 3149" bandnum | pixeltype | nodatavalue | isoutdb | path\n" 3150"---------+-----------+-------------+---------+------\n" 3151" 1 | 8BUI | | t | /home/raster/mytestraster." 3152"tif\n" 3153" 2 | 8BUI | | t | /home/raster/mytestraster." 3154"tif\n" 3155" 3 | 8BUI | | t | /home/raster/mytestraster.tif" 3156msgstr "" 3157"SELECT\n" 3158" *\n" 3159"FROM ST_BandMetadata(\n" 3160" ST_AddBand(\n" 3161" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, 0, 0),\n" 3162" '/home/raster/mytestraster.tif'::text, NULL::int[]\n" 3163" ),\n" 3164" ARRAY[]::integer[]\n" 3165");\n" 3166"\n" 3167" bandnum | pixeltype | nodatavalue | isoutdb | path\n" 3168"---------+-----------+-------------+---------+------\n" 3169" 1 | 8BUI | | t | /home/raster/mytestraster." 3170"tif\n" 3171" 2 | 8BUI | | t | /home/raster/mytestraster." 3172"tif\n" 3173" 3 | 8BUI | | t | /home/raster/mytestraster.tif" 3174 3175#. Tag: para 3176#: reference_raster.xml:1269 3177#, no-c-format 3178msgid "" 3179", <xref linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=" 3180"\"RT_ST_MakeEmptyRaster\"/>, <xref linkend=\"RT_ST_MetaData\"/>, <xref " 3181"linkend=\"RT_ST_NumBands\"/>, <xref linkend=\"RT_ST_Reclass\"/>" 3182msgstr "" 3183", <xref linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=" 3184"\"RT_ST_MakeEmptyRaster\"/>, <xref linkend=\"RT_ST_MetaData\"/>, <xref " 3185"linkend=\"RT_ST_NumBands\"/>, <xref linkend=\"RT_ST_Reclass\"/>" 3186 3187#. Tag: refname 3188#: reference_raster.xml:1282 3189#, no-c-format 3190msgid "ST_AsRaster" 3191msgstr "ST_AsRaster" 3192 3193#. Tag: refpurpose 3194#: reference_raster.xml:1283 3195#, no-c-format 3196msgid "Converts a PostGIS geometry to a PostGIS raster." 3197msgstr "PostGISジオメトリをPostGISラスタに変換します。" 3198 3199#. Tag: funcsynopsis 3200#: reference_raster.xml:1287 3201#, no-c-format 3202msgid "" 3203"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3204"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3205"<paramdef><type>raster </type> <parameter>ref</parameter></paramdef> " 3206"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3207"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3208"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3209"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3210"\"><type>boolean </type> <parameter>touched=false</parameter></paramdef> </" 3211"funcprototype> <funcprototype> <funcdef>raster <function>ST_AsRaster</" 3212"function></funcdef> <paramdef><type>geometry </type> <parameter>geom</" 3213"parameter></paramdef> <paramdef><type>raster </type> <parameter>ref</" 3214"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 3215"<parameter>pixeltype=ARRAY['8BUI']</parameter></paramdef> <paramdef choice=" 3216"\"opt\"><type>double precision[] </type> <parameter>value=ARRAY[1]</" 3217"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3218"type> <parameter>nodataval=ARRAY[0]</parameter></paramdef> <paramdef choice=" 3219"\"opt\"><type>boolean </type> <parameter>touched=false</parameter></" 3220"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3221"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3222"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3223"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3224"precision </type> <parameter>scaley</parameter></paramdef> " 3225"<paramdef><type>double precision </type> <parameter>gridx</parameter></" 3226"paramdef> <paramdef><type>double precision </type> <parameter>gridy</" 3227"parameter></paramdef> <paramdef><type>text </type> <parameter>pixeltype</" 3228"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3229"type> <parameter>value=1</parameter></paramdef> <paramdef choice=\"opt" 3230"\"><type>double precision </type> <parameter>nodataval=0</parameter></" 3231"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3232"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3233"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3234"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3235"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3236"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3237"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3238"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3239"precision </type> <parameter>scaley</parameter></paramdef> <paramdef choice=" 3240"\"opt\"><type>double precision </type> <parameter>gridx=NULL</parameter></" 3241"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3242"<parameter>gridy=NULL</parameter></paramdef> <paramdef choice=\"opt" 3243"\"><type>text[] </type> <parameter>pixeltype=ARRAY['8BUI']</parameter></" 3244"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 3245"<parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3246"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3247"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3248"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3249"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3250"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3251"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3252"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3253"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3254"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3255"precision </type> <parameter>scaley</parameter></paramdef> " 3256"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3257"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3258"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3259"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3260"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3261"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3262"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3263"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3264"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3265"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3266"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3267"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3268"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3269"<paramdef><type>double precision </type> <parameter>scalex</parameter></" 3270"paramdef> <paramdef><type>double precision </type> <parameter>scaley</" 3271"parameter></paramdef> <paramdef><type>text[] </type> <parameter>pixeltype</" 3272"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3273"type> <parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3274"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3275"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3276"type> <parameter>upperleftx=NULL</parameter></paramdef> <paramdef choice=" 3277"\"opt\"><type>double precision </type> <parameter>upperlefty=NULL</" 3278"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3279"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3280"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3281"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3282"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3283"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3284"<parameter>geom</parameter></paramdef> <paramdef><type>integer </type> " 3285"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 3286"<parameter>height</parameter></paramdef> <paramdef><type>double precision </" 3287"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 3288"precision </type> <parameter>gridy</parameter></paramdef> " 3289"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3290"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3291"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3292"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3293"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3294"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3295"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3296"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3297"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3298"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3299"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3300"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3301"<paramdef choice=\"opt\"><type>double precision </type> " 3302"<parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 3303"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 3304"paramdef> <paramdef><type>text[] </type> <parameter>pixeltype=ARRAY['8BUI']</" 3305"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3306"type> <parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3307"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3308"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3309"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3310"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3311"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3312"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3313"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3314"<parameter>geom</parameter></paramdef> <paramdef><type>integer </type> " 3315"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 3316"<parameter>height</parameter></paramdef> <paramdef><type>text </type> " 3317"<parameter>pixeltype</parameter></paramdef> <paramdef choice=\"opt" 3318"\"><type>double precision </type> <parameter>value=1</parameter></paramdef> " 3319"<paramdef choice=\"opt\"><type>double precision </type> " 3320"<parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3321"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3322"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3323"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3324"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3325"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3326"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3327"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3328"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3329"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3330"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3331"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3332"<paramdef><type>text[] </type> <parameter>pixeltype</parameter></paramdef> " 3333"<paramdef><type>double precision[] </type> <parameter>value=ARRAY[1]</" 3334"parameter></paramdef> <paramdef><type>double precision[] </type> " 3335"<parameter>nodataval=ARRAY[0]</parameter></paramdef> <paramdef choice=\"opt" 3336"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3337"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3338"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3339"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3340"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3341"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3342"<parameter>touched=false</parameter></paramdef> </funcprototype>" 3343msgstr "" 3344"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3345"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3346"<paramdef><type>raster </type> <parameter>ref</parameter></paramdef> " 3347"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3348"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3349"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3350"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3351"\"><type>boolean </type> <parameter>touched=false</parameter></paramdef> </" 3352"funcprototype> <funcprototype> <funcdef>raster <function>ST_AsRaster</" 3353"function></funcdef> <paramdef><type>geometry </type> <parameter>geom</" 3354"parameter></paramdef> <paramdef><type>raster </type> <parameter>ref</" 3355"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 3356"<parameter>pixeltype=ARRAY['8BUI']</parameter></paramdef> <paramdef choice=" 3357"\"opt\"><type>double precision[] </type> <parameter>value=ARRAY[1]</" 3358"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3359"type> <parameter>nodataval=ARRAY[0]</parameter></paramdef> <paramdef choice=" 3360"\"opt\"><type>boolean </type> <parameter>touched=false</parameter></" 3361"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3362"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3363"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3364"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3365"precision </type> <parameter>scaley</parameter></paramdef> " 3366"<paramdef><type>double precision </type> <parameter>gridx</parameter></" 3367"paramdef> <paramdef><type>double precision </type> <parameter>gridy</" 3368"parameter></paramdef> <paramdef><type>text </type> <parameter>pixeltype</" 3369"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3370"type> <parameter>value=1</parameter></paramdef> <paramdef choice=\"opt" 3371"\"><type>double precision </type> <parameter>nodataval=0</parameter></" 3372"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3373"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3374"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3375"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3376"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3377"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3378"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3379"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3380"precision </type> <parameter>scaley</parameter></paramdef> <paramdef choice=" 3381"\"opt\"><type>double precision </type> <parameter>gridx=NULL</parameter></" 3382"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3383"<parameter>gridy=NULL</parameter></paramdef> <paramdef choice=\"opt" 3384"\"><type>text[] </type> <parameter>pixeltype=ARRAY['8BUI']</parameter></" 3385"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 3386"<parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3387"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3388"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3389"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3390"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3391"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3392"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3393"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3394"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 3395"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 3396"precision </type> <parameter>scaley</parameter></paramdef> " 3397"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3398"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3399"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3400"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3401"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3402"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3403"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3404"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3405"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3406"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3407"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3408"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3409"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3410"<paramdef><type>double precision </type> <parameter>scalex</parameter></" 3411"paramdef> <paramdef><type>double precision </type> <parameter>scaley</" 3412"parameter></paramdef> <paramdef><type>text[] </type> <parameter>pixeltype</" 3413"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3414"type> <parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3415"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3416"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3417"type> <parameter>upperleftx=NULL</parameter></paramdef> <paramdef choice=" 3418"\"opt\"><type>double precision </type> <parameter>upperlefty=NULL</" 3419"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3420"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3421"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3422"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3423"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3424"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3425"<parameter>geom</parameter></paramdef> <paramdef><type>integer </type> " 3426"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 3427"<parameter>height</parameter></paramdef> <paramdef><type>double precision </" 3428"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 3429"precision </type> <parameter>gridy</parameter></paramdef> " 3430"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 3431"<paramdef choice=\"opt\"><type>double precision </type> <parameter>value=1</" 3432"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3433"type> <parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3434"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3435"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3436"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3437"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3438"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3439"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3440"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3441"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3442"<paramdef choice=\"opt\"><type>double precision </type> " 3443"<parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 3444"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 3445"paramdef> <paramdef><type>text[] </type> <parameter>pixeltype=ARRAY['8BUI']</" 3446"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 3447"type> <parameter>value=ARRAY[1]</parameter></paramdef> <paramdef choice=\"opt" 3448"\"><type>double precision[] </type> <parameter>nodataval=ARRAY[0]</" 3449"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 3450"type> <parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 3451"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 3452"<paramdef choice=\"opt\"><type>boolean </type> <parameter>touched=false</" 3453"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 3454"<function>ST_AsRaster</function></funcdef> <paramdef><type>geometry </type> " 3455"<parameter>geom</parameter></paramdef> <paramdef><type>integer </type> " 3456"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 3457"<parameter>height</parameter></paramdef> <paramdef><type>text </type> " 3458"<parameter>pixeltype</parameter></paramdef> <paramdef choice=\"opt" 3459"\"><type>double precision </type> <parameter>value=1</parameter></paramdef> " 3460"<paramdef choice=\"opt\"><type>double precision </type> " 3461"<parameter>nodataval=0</parameter></paramdef> <paramdef choice=\"opt" 3462"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3463"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3464"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3465"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3466"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3467"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3468"<parameter>touched=false</parameter></paramdef> </funcprototype> " 3469"<funcprototype> <funcdef>raster <function>ST_AsRaster</function></funcdef> " 3470"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 3471"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3472"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3473"<paramdef><type>text[] </type> <parameter>pixeltype</parameter></paramdef> " 3474"<paramdef><type>double precision[] </type> <parameter>value=ARRAY[1]</" 3475"parameter></paramdef> <paramdef><type>double precision[] </type> " 3476"<parameter>nodataval=ARRAY[0]</parameter></paramdef> <paramdef choice=\"opt" 3477"\"><type>double precision </type> <parameter>upperleftx=NULL</parameter></" 3478"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 3479"<parameter>upperlefty=NULL</parameter></paramdef> <paramdef choice=\"opt" 3480"\"><type>double precision </type> <parameter>skewx=0</parameter></paramdef> " 3481"<paramdef choice=\"opt\"><type>double precision </type> <parameter>skewy=0</" 3482"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 3483"<parameter>touched=false</parameter></paramdef> </funcprototype>" 3484 3485#. Tag: para 3486#: reference_raster.xml:1435 3487#, no-c-format 3488msgid "" 3489"Converts a PostGIS geometry to a PostGIS raster. The many variants offers " 3490"three groups of possibilities for setting the alignment and pixelsize of the " 3491"resulting raster." 3492msgstr "" 3493"PostGISジオメトリをPostGISラスタに変換します。多数の形式がありますが、結果ラ" 3494"スタのアラインメントとピクセルサイズを設定する三つの考えられる類型に分かれま" 3495"す。" 3496 3497#. Tag: para 3498#: reference_raster.xml:1437 3499#, no-c-format 3500msgid "" 3501"The first group, composed of the two first variants, produce a raster having " 3502"the same alignment (<varname>scalex</varname>, <varname>scaley</varname>, " 3503"<varname>gridx</varname> and <varname>gridy</varname>), pixel type and " 3504"nodata value as the provided reference raster. You generally pass this " 3505"reference raster by joining the table containing the geometry with the table " 3506"containing the reference raster." 3507msgstr "" 3508"一つ目の群は、最初の2形式です。 アラインメント (<varname>scalex</varname>, " 3509"<varname>scaley</varname>, <varname>gridx</varname>, <varname>gridy</" 3510"varname>)、ピクセルタイプ、NODATA値が提供される参照ラスタと同じとなるラスタを" 3511"生成します。一般的にこの参照ラスタは、ジオメトリを含むテーブルを参照ラスタを" 3512"含むテーブルに結合して渡します。" 3513 3514#. Tag: para 3515#: reference_raster.xml:1439 3516#, no-c-format 3517msgid "" 3518"The second group, composed of four variants, let you set the dimensions of " 3519"the raster by providing the parameters of a pixel size (<varname>scalex</" 3520"varname> & <varname>scaley</varname> and <varname>skewx</varname> & " 3521"<varname>skewy</varname>). The <varname>width</varname> & " 3522"<varname>height</varname> of the resulting raster will be adjusted to fit " 3523"the extent of the geometry. In most cases, you must cast integer " 3524"<varname>scalex</varname> & <varname>scaley</varname> arguments to " 3525"double precision so that PostgreSQL choose the right variant." 3526msgstr "" 3527"二つ目の群は、4形式あります。ピクセルサイズ (<varname>scalex</varname> & " 3528"<varname>scaley</varname>と<varname>skewx</varname> & <varname>skewy</" 3529"varname>)の引数を渡してラスタのピクセル範囲を設定します。結果ラスタの" 3530"<varname>width</varname> & <varname>height</varname>はジオメトリの範囲に" 3531"あわせて調整されます。ほとんどの場合、PostgreSQLが正しい形式を選択するため" 3532"に、<varname>scalex</varname> & <varname>scaley</varname>の整数引数を倍精" 3533"度浮動小数点数にキャストしなければなりません。" 3534 3535#. Tag: para 3536#: reference_raster.xml:1441 3537#, no-c-format 3538msgid "" 3539"The third group, composed of four variants, let you fix the dimensions of " 3540"the raster by providing the dimensions of the raster (<varname>width</" 3541"varname> & <varname>height</varname>). The parameters of the pixel size " 3542"(<varname>scalex</varname> & <varname>scaley</varname> and " 3543"<varname>skewx</varname> & <varname>skewy</varname>) of the resulting " 3544"raster will be adjusted to fit the extent of the geometry." 3545msgstr "" 3546"三つ目の群は、4形式あります。ラスタのピクセル範囲 (<varname>width</varname> " 3547"& <varname>height</varname>)を渡してラスタのピクセル範囲を固定するもので" 3548"す。結果ラスタのピクセルサイズ(<varname>scalex</varname> & " 3549"<varname>scaley</varname>と<varname>skewx</varname> & <varname>skewy</" 3550"varname>)の引数はジオメトリの範囲にあわせて調整されます。" 3551 3552#. Tag: para 3553#: reference_raster.xml:1443 3554#, no-c-format 3555msgid "" 3556"The two first variants of each of those two last groups let you specify the " 3557"alignment with an arbitrary corner of the alignment grid (<varname>gridx</" 3558"varname> & <varname>gridy</varname>) and the two last variants takes the " 3559"upper left corner (<varname>upperleftx</varname> & <varname>upperlefty</" 3560"varname>)." 3561msgstr "" 3562"二つ目の群と三つ目の群の群内前半2形式は、アラインメントグリッド " 3563"(<varname>gridx</varname> & <varname>gridy</varname>)の適切な隅でアライン" 3564"メントを特定します。群内後半2形式は左上隅 (<varname>upperleftx</varname> " 3565"& <varname>upperlefty</varname>)を取ります。" 3566 3567#. Tag: para 3568#: reference_raster.xml:1445 3569#, no-c-format 3570msgid "" 3571"Each group of variant allows producing a one band raster or a multiple bands " 3572"raster. To produce a multiple bands raster, you must provide an array of " 3573"pixel types (<varname>pixeltype[]</varname>), an array of initial values " 3574"(<varname>value</varname>) and an array of nodata values " 3575"(<varname>nodataval</varname>). If not provided pixeltyped defaults to 8BUI, " 3576"values to 1 and nodataval to 0." 3577msgstr "" 3578"これらの群のそれぞれによって、1バンドまたは複数バンドのラスタを生成することが" 3579"できます。複数バンドのラスタを生成するには、ピクセルタイプ配列 " 3580"(<varname>pixeltype[]</varname>)、初期値配列 (<varname>value</varname>)、" 3581"NODATA値配列 (<varname>nodataval</varname>)を渡す必要があります。ピクセルタイ" 3582"プが渡されていない場合には、デフォルトは8BUIになり、初期値については1、NODATA" 3583"値については0になります。" 3584 3585#. Tag: para 3586#: reference_raster.xml:1447 3587#, no-c-format 3588msgid "" 3589"The output raster will be in the same spatial reference as the source " 3590"geometry. The only exception is for variants with a reference raster. In " 3591"this case the resulting raster will get the same SRID as the reference " 3592"raster." 3593msgstr "" 3594"出力ラスタは元のジオメトリと同じ空間参照系になります。参照ラスタを使う形式は" 3595"例外で、結果ラスタは参照ラスタと同じSRIDになります。" 3596 3597#. Tag: para 3598#: reference_raster.xml:1449 3599#, no-c-format 3600msgid "" 3601"The optional <varname>touched</varname> parameter defaults to false and maps " 3602"to the GDAL ALL_TOUCHED rasterization option, which determines if pixels " 3603"touched by lines or polygons will be burned. Not just those on the line " 3604"render path, or whose center point is within the polygon." 3605msgstr "" 3606"任意引数<varname>touched</varname>は、デフォルトではFALSEになります。GDALの" 3607"ALL_TOUCHEDラスタ化オプションに相当し、ラインまたはポリゴンに接触するピクセル" 3608"が描画されます。ライン上にあるか中心点がポリゴン内部にあるピクセルが描画され" 3609"るだけではありません。" 3610 3611#. Tag: para 3612#: reference_raster.xml:1451 3613#, no-c-format 3614msgid "" 3615"This is particularly useful for rendering jpegs and pngs of geometries " 3616"directly from the database when using in combination with <xref linkend=" 3617"\"RT_ST_AsPNG\"/> and other <xref linkend=\"RT_ST_AsGDALRaster\"/> family of " 3618"functions." 3619msgstr "" 3620"これは特にジオメトリをデータベースから<xref linkend=\"RT_ST_AsPNG\"/>や<xref " 3621"linkend=\"RT_ST_AsGDALRaster\"/>系の関数を併用して直接JPEGやPNGに描画する際に" 3622"使えます。" 3623 3624#. Tag: para 3625#: reference_raster.xml:1455 3626#, no-c-format 3627msgid "" 3628"Not yet capable of rendering complex geometry types such as curves, TINS, " 3629"and PolyhedralSurfaces, but should be able too once GDAL can." 3630msgstr "" 3631"曲線、TIN、多面体サーフェスのような複雑なジオメトリタイプのレンダリングは、ま" 3632"だできませんが、GDALができることは実現できます。" 3633 3634#. Tag: title 3635#: reference_raster.xml:1460 3636#, no-c-format 3637msgid "Examples: Output geometries as PNG files" 3638msgstr "例: ジオメトリをPNGファイルとして出力" 3639 3640#. Tag: para 3641#: reference_raster.xml:1466 3642#, no-c-format 3643msgid "black circle" 3644msgstr "黒い円" 3645 3646#. Tag: programlisting 3647#: reference_raster.xml:1469 3648#, no-c-format 3649msgid "" 3650"-- this will output a black circle taking up 150 x 150 pixels --\n" 3651"SELECT ST_AsPNG(ST_AsRaster(ST_Buffer(ST_Point(1,5),10),150, 150));" 3652msgstr "" 3653"-- 150x150ピクセルを占める黒い円を出力します --\n" 3654"SELECT ST_AsPNG(ST_AsRaster(ST_Buffer(ST_Point(1,5),10),150, 150));" 3655 3656#. Tag: para 3657#: reference_raster.xml:1476 3658#, no-c-format 3659msgid "example from buffer rendered with just PostGIS" 3660msgstr "PostGISだけで描画したバッファの例" 3661 3662#. Tag: programlisting 3663#: reference_raster.xml:1480 3664#, no-c-format 3665msgid "" 3666"-- the bands map to RGB bands - the value (118,154,118) - teal --\n" 3667"SELECT ST_AsPNG(\n" 3668" ST_AsRaster(\n" 3669" ST_Buffer(\n" 3670" ST_GeomFromText('LINESTRING(50 50,150 150,150 50)'), " 3671"10,'join=bevel'),\n" 3672" 200,200,ARRAY['8BUI', '8BUI', '8BUI'], " 3673"ARRAY[118,154,118], ARRAY[0,0,0]));" 3674msgstr "" 3675"-- RGBバンド (118,154,118) - 鴨の羽色 にマップします --\n" 3676"SELECT ST_AsPNG(\n" 3677" ST_AsRaster(\n" 3678" ST_Buffer(\n" 3679" ST_GeomFromText('LINESTRING(50 50,150 150,150 50)'), " 3680"10,'join=bevel'),\n" 3681" 200,200,ARRAY['8BUI', '8BUI', '8BUI'], " 3682"ARRAY[118,154,118], ARRAY[0,0,0]));" 3683 3684#. Tag: para 3685#: reference_raster.xml:1486 3686#, no-c-format 3687msgid "" 3688", <xref linkend=\"ST_Buffer\"/>, <xref linkend=\"RT_ST_GDALDrivers\"/>, " 3689"<xref linkend=\"RT_ST_AsGDALRaster\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, " 3690"<xref linkend=\"RT_ST_AsJPEG\"/>, <xref linkend=\"RT_ST_SRID\"/>" 3691msgstr "" 3692", <xref linkend=\"ST_Buffer\"/>, <xref linkend=\"RT_ST_GDALDrivers\"/>, " 3693"<xref linkend=\"RT_ST_AsGDALRaster\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, " 3694"<xref linkend=\"RT_ST_AsJPEG\"/>, <xref linkend=\"RT_ST_SRID\"/>" 3695 3696#. Tag: refname 3697#: reference_raster.xml:1492 3698#, no-c-format 3699msgid "ST_Band" 3700msgstr "ST_Band" 3701 3702#. Tag: refpurpose 3703#: reference_raster.xml:1493 3704#, no-c-format 3705msgid "" 3706"Returns one or more bands of an existing raster as a new raster. Useful for " 3707"building new rasters from existing rasters." 3708msgstr "" 3709"既存のラスタの、一つ以上のバンドを新しいラスタとして返します。既存のラスタか" 3710"ら新しいラスタを構築する際に使えます。" 3711 3712#. Tag: funcsynopsis 3713#: reference_raster.xml:1497 3714#, no-c-format 3715msgid "" 3716"<funcprototype> <funcdef>raster <function>ST_Band</function></funcdef> " 3717"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 3718"<paramdef choice=\"opt\"><type>integer[] </type> <parameter>nbands = " 3719"ARRAY[1]</parameter></paramdef> </funcprototype> <funcprototype> " 3720"<funcdef>raster <function>ST_Band</function></funcdef> " 3721"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 3722"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> </" 3723"funcprototype> <funcprototype> <funcdef>raster <function>ST_Band</function></" 3724"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 3725"paramdef> <paramdef><type>text </type> <parameter>nbands</parameter></" 3726"paramdef> <paramdef choice=\"opt\"><type>character </type> " 3727"<parameter>delimiter=,</parameter></paramdef> </funcprototype>" 3728msgstr "" 3729"<funcprototype> <funcdef>raster <function>ST_Band</function></funcdef> " 3730"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 3731"<paramdef choice=\"opt\"><type>integer[] </type> <parameter>nbands = " 3732"ARRAY[1]</parameter></paramdef> </funcprototype> <funcprototype> " 3733"<funcdef>raster <function>ST_Band</function></funcdef> " 3734"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 3735"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> </" 3736"funcprototype> <funcprototype> <funcdef>raster <function>ST_Band</function></" 3737"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 3738"paramdef> <paramdef><type>text </type> <parameter>nbands</parameter></" 3739"paramdef> <paramdef choice=\"opt\"><type>character </type> " 3740"<parameter>delimiter=,</parameter></paramdef> </funcprototype>" 3741 3742#. Tag: para 3743#: reference_raster.xml:1522 3744#, no-c-format 3745msgid "" 3746"Returns one or more bands of an existing raster as a new raster. Useful for " 3747"building new rasters from existing rasters or export of only selected bands " 3748"of a raster or rearranging the order of bands in a raster. If no band is " 3749"specified or any of specified bands does not exist in the raster, then all " 3750"bands are returned. Used as a helper function in various functions such as " 3751"for deleting a band." 3752msgstr "" 3753"既存のラスタの、一つ以上のバンドを新しいラスタとして返します。既存ラスタから" 3754"新しいラスタを構築したり、ラスタの選択したバンドのみを出力したり、バンドの並" 3755"びを改める際に使えます。バンドが指定されない場合や指定したバンドがラスタに存" 3756"在しない場合には、全てのバンドを返します。バンド削除等の様々な関数を補助する" 3757"関数として使われています。" 3758 3759#. Tag: para 3760#: reference_raster.xml:1524 3761#, no-c-format 3762msgid "" 3763"For the <code>nbands</code> as text variant of function, the default " 3764"delimiter is <code>,</code> which means you can ask for <code>'1,2,3'</code> " 3765"and if you wanted to use a different delimeter you would do " 3766"<code>ST_Band(rast, '1@2@3', '@')</code>. For asking for multiple bands, we " 3767"strongly suggest you use the array form of this function e.g. " 3768"<code>ST_Band(rast, '{1,2,3}'::int[]);</code> since the <code>text</code> " 3769"list of bands form may be removed in future versions of PostGIS." 3770msgstr "" 3771"<code>nbands</code>を文字列とする版では、デフォルトのデリミタは<code>,</code>" 3772"です。<code>'1,2,3'</code>と指定できます。異なるデリミタを使いたい場合には、" 3773"<code>ST_Band(rast, '1@2@3', '@')</code>とします。複数バンドを指定する際に、" 3774"<code>ST_Band(rast, '{1,2,3}'::int[]);</code>というような、配列を使うことを強" 3775"くお勧めします。<code>text</code>によるバンド一覧を取る形式は、PostGISの将来" 3776"の版で削除するかも知れません。" 3777 3778#. Tag: programlisting 3779#: reference_raster.xml:1532 3780#, no-c-format 3781msgid "" 3782"-- Make 2 new rasters: 1 containing band 1 of dummy, second containing band " 3783"2 of dummy and then reclassified as a 2BUI\n" 3784"SELECT ST_NumBands(rast1) As numb1, ST_BandPixelType(rast1) As pix1,\n" 3785" ST_NumBands(rast2) As numb2, ST_BandPixelType(rast2) As pix2\n" 3786"FROM (\n" 3787" SELECT ST_Band(rast) As rast1, ST_Reclass(ST_Band(rast,3), '100-200):1, " 3788"[200-254:2', '2BUI') As rast2\n" 3789" FROM dummy_rast\n" 3790" WHERE rid = 2) As foo;\n" 3791"\n" 3792" numb1 | pix1 | numb2 | pix2\n" 3793"-------+------+-------+------\n" 3794" 1 | 8BUI | 1 | 2BUI" 3795msgstr "" 3796"-- 二つの新しいラスタを生成します\n" 3797"-- 1 - ダミーラスタの1番バンド\n" 3798"-- 2 - ダミーラスタの3番バンドを生成して2BUIで再分類\n" 3799"SELECT ST_NumBands(rast1) As numb1, ST_BandPixelType(rast1) As pix1,\n" 3800" ST_NumBands(rast2) As numb2, ST_BandPixelType(rast2) As pix2\n" 3801"FROM (\n" 3802" SELECT ST_Band(rast) As rast1, ST_Reclass(ST_Band(rast,3), '100-200):1, " 3803"[200-254:2', '2BUI') As rast2\n" 3804" FROM dummy_rast\n" 3805" WHERE rid = 2) As foo;\n" 3806"\n" 3807" numb1 | pix1 | numb2 | pix2\n" 3808"-------+------+-------+------\n" 3809" 1 | 8BUI | 1 | 2BUI" 3810 3811#. Tag: programlisting 3812#: reference_raster.xml:1534 3813#, no-c-format 3814msgid "" 3815"-- Return bands 2 and 3. Using array cast syntax\n" 3816"SELECT ST_NumBands(ST_Band(rast, '{2,3}'::int[])) As num_bands\n" 3817" FROM dummy_rast WHERE rid=2;\n" 3818"\n" 3819"num_bands\n" 3820"----------\n" 3821"2\n" 3822"\n" 3823"-- Return bands 2 and 3. Use array to define bands\n" 3824"SELECT ST_NumBands(ST_Band(rast, ARRAY[2,3])) As num_bands\n" 3825" FROM dummy_rast\n" 3826"WHERE rid=2;" 3827msgstr "" 3828"-- 配列へのキャストを使って2番と3番バンドを返します\n" 3829"SELECT ST_NumBands(ST_Band(rast, '{2,3}'::int[])) As num_bands\n" 3830" FROM dummy_rast WHERE rid=2;\n" 3831"\n" 3832"num_bands\n" 3833"----------\n" 3834"2\n" 3835"\n" 3836"-- バンドの指定に配列を使って2番と3番バンドを返します\n" 3837"SELECT ST_NumBands(ST_Band(rast, ARRAY[2,3])) As num_bands\n" 3838" FROM dummy_rast\n" 3839"WHERE rid=2;" 3840 3841#. Tag: para 3842#: reference_raster.xml:1544 3843#, no-c-format 3844msgid "original (column rast)" 3845msgstr "元画像 (rastカラム)" 3846 3847#. Tag: para 3848#: reference_raster.xml:1553 3849#, no-c-format 3850msgid "dupe_band" 3851msgstr "dupe_band" 3852 3853#. Tag: para 3854#: reference_raster.xml:1562 3855#, no-c-format 3856msgid "sing_band" 3857msgstr "sing_band" 3858 3859#. Tag: programlisting 3860#: reference_raster.xml:1570 3861#, no-c-format 3862msgid "" 3863"--Make a new raster with 2nd band of original and 1st band repeated twice,\n" 3864"and another with just the third band\n" 3865"SELECT rast, ST_Band(rast, ARRAY[2,1,1]) As dupe_band,\n" 3866" ST_Band(rast, 3) As sing_band\n" 3867"FROM samples.than_chunked\n" 3868"WHERE rid=35;" 3869msgstr "" 3870"-- 元画像の2番バンド、1番バンド、1番バンドでバンドを成すラスタと\n" 3871"-- 3番バンドだけのラスタの生成\n" 3872"SELECT rast, ST_Band(rast, ARRAY[2,1,1]) As dupe_band,\n" 3873" ST_Band(rast, 3) As sing_band\n" 3874"FROM samples.than_chunked\n" 3875"WHERE rid=35;" 3876 3877#. Tag: para 3878#: reference_raster.xml:1576 3879#, no-c-format 3880msgid "" 3881", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=\"RT_ST_Reclass\"/>, " 3882"<xref linkend=\"RT_reference\"/>" 3883msgstr "" 3884", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=\"RT_ST_Reclass\"/>, " 3885"<xref linkend=\"RT_reference\"/>" 3886 3887#. Tag: refname 3888#: reference_raster.xml:1582 3889#, no-c-format 3890msgid "ST_MakeEmptyCoverage" 3891msgstr "ST_MakeEmptyCoverage" 3892 3893#. Tag: refpurpose 3894#: reference_raster.xml:1583 3895#, no-c-format 3896msgid "Cover georeferenced area with a grid of empty raster tiles." 3897msgstr "" 3898"空のラスタタイルのグリッドでジオリファレンスを施されている領域を生成します。" 3899 3900#. Tag: funcprototype 3901#: reference_raster.xml:1588 3902#, no-c-format 3903msgid "" 3904"<funcdef>raster <function>ST_MakeEmptyCoverage</function></funcdef> " 3905"<paramdef><type>integer </type> <parameter>tilewidth</parameter></paramdef> " 3906"<paramdef><type>integer </type> <parameter>tileheight</parameter></paramdef> " 3907"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3908"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3909"<paramdef><type>double precision </type> <parameter>upperleftx</parameter></" 3910"paramdef> <paramdef><type>double precision </type> <parameter>upperlefty</" 3911"parameter></paramdef> <paramdef><type>double precision </type> " 3912"<parameter>scalex</parameter></paramdef> <paramdef><type>double precision </" 3913"type> <parameter>scaley</parameter></paramdef> <paramdef><type>double " 3914"precision </type> <parameter>skewx</parameter></paramdef> " 3915"<paramdef><type>double precision </type> <parameter>skewy</parameter></" 3916"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 3917"<parameter>srid=unknown</parameter></paramdef>" 3918msgstr "" 3919"<funcdef>raster <function>ST_MakeEmptyCoverage</function></funcdef> " 3920"<paramdef><type>integer </type> <parameter>tilewidth</parameter></paramdef> " 3921"<paramdef><type>integer </type> <parameter>tileheight</parameter></paramdef> " 3922"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 3923"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 3924"<paramdef><type>double precision </type> <parameter>upperleftx</parameter></" 3925"paramdef> <paramdef><type>double precision </type> <parameter>upperlefty</" 3926"parameter></paramdef> <paramdef><type>double precision </type> " 3927"<parameter>scalex</parameter></paramdef> <paramdef><type>double precision </" 3928"type> <parameter>scaley</parameter></paramdef> <paramdef><type>double " 3929"precision </type> <parameter>skewx</parameter></paramdef> " 3930"<paramdef><type>double precision </type> <parameter>skewy</parameter></" 3931"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 3932"<parameter>srid=unknown</parameter></paramdef>" 3933 3934#. Tag: para 3935#: reference_raster.xml:1608 3936#, no-c-format 3937msgid "" 3938"Create a set of raster tiles with <xref linkend=\"RT_ST_MakeEmptyRaster\"/>. " 3939"Grid dimension is <varname>width</varname> & <varname>height</varname>. " 3940"Tile dimension is <varname>tilewidth</varname> & <varname>tileheight</" 3941"varname>. The covered georeferenced area is from upper left corner " 3942"(<varname>upperleftx</varname>, <varname>upperlefty</varname>) to lower " 3943"right corner (<varname>upperleftx</varname> + <varname>width</varname> * " 3944"<varname>scalex</varname>, <varname>upperlefty</varname> + <varname>height</" 3945"varname> * <varname>scaley</varname>)." 3946msgstr "" 3947"<xref linkend=\"RT_ST_MakeEmptyRaster\"/>でラスタ集合を生成します。グリッドの" 3948"次元は<varname>width</varname>と<varname>height</varname>です。タイルの次元は" 3949"<varname>tilewidth</varname>と<varname>tileheight</varname>です。領域は左上隅" 3950"(<varname>upperleftx</varname>, <varname>upperlefty</varname>)から右下隅 " 3951"(<varname>upperleftx</varname> + <varname>width</varname> * <varname>scalex</" 3952"varname>, <varname>upperlefty</varname> + <varname>height</varname> * " 3953"<varname>scaley</varname>)で形成されます。" 3954 3955#. Tag: para 3956#: reference_raster.xml:1609 3957#, no-c-format 3958msgid "" 3959"Note that scaley is generally negative for rasters and scalex is generally " 3960"positive. So lower right corner will have a lower y value and higher x value " 3961"than the upper left corner." 3962msgstr "" 3963"ラスタのscaleyは一般的に負数で、scalexは一般的に正数です。右下隅は、左上隅よ" 3964"り、yは小さな値、xは大きな値になります。" 3965 3966#. Tag: para 3967#: reference_raster.xml:1610 3968#, no-c-format 3969msgid "Availability: 2.4.0" 3970msgstr "Availability: 2.4.0" 3971 3972#. Tag: title 3973#: reference_raster.xml:1614 reference_raster.xml:8517 3974#, no-c-format 3975msgid "Examples Basic" 3976msgstr "基本的な例" 3977 3978#. Tag: para 3979#: reference_raster.xml:1615 3980#, no-c-format 3981msgid "" 3982"Create 16 tiles in a 4x4 grid to cover the WGS84 area from upper left corner " 3983"(22, 77) to lower right corner (55, 33)." 3984msgstr "" 3985"WGS84で左上が(22, 27)で右下が(55, 53)となる範囲の4x4グリッドの16タイルを生成" 3986"します。" 3987 3988#. Tag: programlisting 3989#: reference_raster.xml:1616 3990#, no-c-format 3991msgid "" 3992"<![CDATA[SELECT (ST_MetaData(tile)).* FROM ST_MakeEmptyCoverage(1, 1, 4, 4, " 3993"22, 33, (55 - 22)/(4)::float, (33 - 77)/(4)::float, 0., 0., 4326) tile;\n" 3994"\n" 3995" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 3996"| srid | numbands\n" 3997"-------------------------------------------------------------------------------------\n" 3998" 22 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 3999"| 4326 | 0\n" 4000" 30.25 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4001"| 4326 | 0\n" 4002" 38.5 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4003"| 4326 | 0\n" 4004" 46.75 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4005"| 4326 | 0\n" 4006" 22 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4007"| 4326 | 0\n" 4008" 30.25 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4009"| 4326 | 0\n" 4010" 38.5 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4011"| 4326 | 0\n" 4012" 46.75 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4013"| 4326 | 0\n" 4014" 22 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4015"| 4326 | 0\n" 4016" 30.25 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4017"| 4326 | 0\n" 4018" 38.5 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4019"| 4326 | 0\n" 4020" 46.75 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4021"| 4326 | 0\n" 4022" 22 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4023"| 4326 | 0\n" 4024" 30.25 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4025"| 4326 | 0\n" 4026" 38.5 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4027"| 4326 | 0\n" 4028" 46.75 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4029"| 4326 | 0]]>" 4030msgstr "" 4031"<![CDATA[SELECT (ST_MetaData(tile)).* FROM ST_MakeEmptyCoverage(1, 1, 4, 4, " 4032"22, 33, (55 - 22)/(4)::float, (33 - 77)/(4)::float, 0., 0., 4326) tile;\n" 4033"\n" 4034" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 4035"| srid | numbands\n" 4036"-------------------------------------------------------------------------------------\n" 4037" 22 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4038"| 4326 | 0\n" 4039" 30.25 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4040"| 4326 | 0\n" 4041" 38.5 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4042"| 4326 | 0\n" 4043" 46.75 | 33 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4044"| 4326 | 0\n" 4045" 22 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4046"| 4326 | 0\n" 4047" 30.25 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4048"| 4326 | 0\n" 4049" 38.5 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4050"| 4326 | 0\n" 4051" 46.75 | 22 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4052"| 4326 | 0\n" 4053" 22 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4054"| 4326 | 0\n" 4055" 30.25 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4056"| 4326 | 0\n" 4057" 38.5 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4058"| 4326 | 0\n" 4059" 46.75 | 11 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4060"| 4326 | 0\n" 4061" 22 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4062"| 4326 | 0\n" 4063" 30.25 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4064"| 4326 | 0\n" 4065" 38.5 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4066"| 4326 | 0\n" 4067" 46.75 | 0 | 1 | 1 | 8.25 | -11 | 0 | 0 " 4068"| 4326 | 0]]>" 4069 4070#. Tag: refname 4071#: reference_raster.xml:1629 4072#, no-c-format 4073msgid "ST_MakeEmptyRaster" 4074msgstr "ST_MakeEmptyRaster" 4075 4076#. Tag: refpurpose 4077#: reference_raster.xml:1630 4078#, no-c-format 4079msgid "" 4080"Returns an empty raster (having no bands) of given dimensions (width & " 4081"height), upperleft X and Y, pixel size and rotation (scalex, scaley, skewx " 4082"& skewy) and reference system (srid). If a raster is passed in, returns " 4083"a new raster with the same size, alignment and SRID. If srid is left out, " 4084"the spatial ref is set to unknown (0)." 4085msgstr "" 4086"与えられたピクセル範囲 (width & height)、左上のX,Y、ピクセルサイズ、回転 " 4087"(scalex, scaley, skewx, skewy)と空間参照系 (srid)が指定された空ラスタ (バンド" 4088"を持たないラスタ)を返します。ラスタが渡されると、新しいラスタは渡されたラスタ" 4089"と同じサイズ、アラインメント、SRIDになります。SRIDが指定されていない場合に" 4090"は、空間参照系は不明 (0)とされます。" 4091 4092#. Tag: funcsynopsis 4093#: reference_raster.xml:1634 4094#, no-c-format 4095msgid "" 4096"<funcprototype> <funcdef>raster <function>ST_MakeEmptyRaster</function></" 4097"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 4098"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 4099"<function>ST_MakeEmptyRaster</function></funcdef> <paramdef><type>integer </" 4100"type> <parameter>width</parameter></paramdef> <paramdef><type>integer </" 4101"type> <parameter>height</parameter></paramdef> <paramdef><type>float8 </" 4102"type> <parameter>upperleftx</parameter></paramdef> <paramdef><type>float8 </" 4103"type> <parameter>upperlefty</parameter></paramdef> <paramdef><type>float8 </" 4104"type> <parameter>scalex</parameter></paramdef> <paramdef><type>float8 </" 4105"type> <parameter>scaley</parameter></paramdef> <paramdef><type>float8 </" 4106"type> <parameter>skewx</parameter></paramdef> <paramdef><type>float8 </type> " 4107"<parameter>skewy</parameter></paramdef> <paramdef choice=\"opt" 4108"\"><type>integer </type> <parameter>srid=unknown</parameter></paramdef> </" 4109"funcprototype> <funcprototype> <funcdef>raster <function>ST_MakeEmptyRaster</" 4110"function></funcdef> <paramdef><type>integer </type> <parameter>width</" 4111"parameter></paramdef> <paramdef><type>integer </type> <parameter>height</" 4112"parameter></paramdef> <paramdef><type>float8 </type> <parameter>upperleftx</" 4113"parameter></paramdef> <paramdef><type>float8 </type> <parameter>upperlefty</" 4114"parameter></paramdef> <paramdef><type>float8 </type> <parameter>pixelsize</" 4115"parameter></paramdef> </funcprototype>" 4116msgstr "" 4117"<funcprototype> <funcdef>raster <function>ST_MakeEmptyRaster</function></" 4118"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 4119"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 4120"<function>ST_MakeEmptyRaster</function></funcdef> <paramdef><type>integer </" 4121"type> <parameter>width</parameter></paramdef> <paramdef><type>integer </" 4122"type> <parameter>height</parameter></paramdef> <paramdef><type>float8 </" 4123"type> <parameter>upperleftx</parameter></paramdef> <paramdef><type>float8 </" 4124"type> <parameter>upperlefty</parameter></paramdef> <paramdef><type>float8 </" 4125"type> <parameter>scalex</parameter></paramdef> <paramdef><type>float8 </" 4126"type> <parameter>scaley</parameter></paramdef> <paramdef><type>float8 </" 4127"type> <parameter>skewx</parameter></paramdef> <paramdef><type>float8 </type> " 4128"<parameter>skewy</parameter></paramdef> <paramdef choice=\"opt" 4129"\"><type>integer </type> <parameter>srid=unknown</parameter></paramdef> </" 4130"funcprototype> <funcprototype> <funcdef>raster <function>ST_MakeEmptyRaster</" 4131"function></funcdef> <paramdef><type>integer </type> <parameter>width</" 4132"parameter></paramdef> <paramdef><type>integer </type> <parameter>height</" 4133"parameter></paramdef> <paramdef><type>float8 </type> <parameter>upperleftx</" 4134"parameter></paramdef> <paramdef><type>float8 </type> <parameter>upperlefty</" 4135"parameter></paramdef> <paramdef><type>float8 </type> <parameter>pixelsize</" 4136"parameter></paramdef> </funcprototype>" 4137 4138#. Tag: para 4139#: reference_raster.xml:1664 4140#, no-c-format 4141msgid "" 4142"Returns an empty raster (having no band) of given dimensions (width & " 4143"height) and georeferenced in spatial (or world) coordinates with upper left " 4144"X (upperleftx), upper left Y (upperlefty), pixel size and rotation (scalex, " 4145"scaley, skewx & skewy) and reference system (srid)." 4146msgstr "" 4147"与えられたピクセル範囲 (width & height)を持ち、かつ、左上隅のX " 4148"(upperleftx)とY (upperlefty)、ピクセルサイズと回転 (scalex, scaley, skewx, " 4149"skewy)、空間参照系 (srid)によって空間 (またはワールド)座標上で地理参照された" 4150"空ラスタ (バンドを持たないラスタ)を返します。" 4151 4152#. Tag: para 4153#: reference_raster.xml:1667 4154#, no-c-format 4155msgid "" 4156"The last version use a single parameter to specify the pixel size " 4157"(pixelsize). scalex is set to this argument and scaley is set to the " 4158"negative value of this argument. skewx and skewy are set to 0." 4159msgstr "" 4160"最後の形式では、ピクセルサイズを一つの引数 (pixelsize)で指定しています。" 4161"scalexはこの引数に、scaleyは引数の正負逆の数に、それぞれ設定され、skewxと" 4162"skewyは0に設定されます。" 4163 4164#. Tag: para 4165#: reference_raster.xml:1669 4166#, no-c-format 4167msgid "" 4168"If an existing raster is passed in, it returns a new raster with the same " 4169"meta data settings (without the bands)." 4170msgstr "" 4171"既存のラスタを渡すと、同じメタデータ設定 (バンド以外)を持つ新しいラスタが返り" 4172"ます。" 4173 4174#. Tag: para 4175#: reference_raster.xml:1671 4176#, no-c-format 4177msgid "" 4178"If no srid is specified it defaults to 0. After you create an empty raster " 4179"you probably want to add bands to it and maybe edit it. Refer to <xref " 4180"linkend=\"RT_ST_AddBand\"/> to define bands and <xref linkend=" 4181"\"RT_ST_SetValue\"/> to set initial pixel values." 4182msgstr "" 4183"SRIDが設定されていない場合には、デフォルトは0です。空ラスタを生成した後に、バ" 4184"ンドの追加や編集を行うことになります。<xref linkend=\"RT_ST_AddBand\"/>でバン" 4185"ドを定義し、<xref linkend=\"RT_ST_SetValue\"/>で初期ピクセル値を設定します。" 4186 4187#. Tag: programlisting 4188#: reference_raster.xml:1678 4189#, no-c-format 4190msgid "" 4191"INSERT INTO dummy_rast(rid,rast)\n" 4192"VALUES(3, ST_MakeEmptyRaster( 100, 100, 0.0005, 0.0005, 1, 1, 0, 0, " 4193"4326) );\n" 4194"\n" 4195"--use an existing raster as template for new raster\n" 4196"INSERT INTO dummy_rast(rid,rast)\n" 4197"SELECT 4, ST_MakeEmptyRaster(rast)\n" 4198"FROM dummy_rast WHERE rid = 3;\n" 4199"\n" 4200"-- output meta data of rasters we just added\n" 4201"SELECT rid, (md).*\n" 4202"FROM (SELECT rid, ST_MetaData(rast) As md\n" 4203" FROM dummy_rast\n" 4204" WHERE rid IN(3,4)) As foo;\n" 4205"\n" 4206"-- output --\n" 4207" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 4208"skewy | srid | numbands\n" 4209"-----+------------+------------+-------+--------+------------+------------" 4210"+-------+-------+------+----------\n" 4211" 3 | 0.0005 | 0.0005 | 100 | 100 | 1 | 1 " 4212"| 0 | 0 | 4326 | 0\n" 4213" 4 | 0.0005 | 0.0005 | 100 | 100 | 1 | 1 " 4214"| 0 | 0 | 4326 | 0" 4215msgstr "" 4216"INSERT INTO dummy_rast(rid,rast)\n" 4217"VALUES(3, ST_MakeEmptyRaster( 100, 100, 0.0005, 0.0005, 1, 1, 0, 0, " 4218"4326) );\n" 4219"\n" 4220"-- 既存のラスタをテンプレートに用いて新しいラスタを生成\n" 4221"INSERT INTO dummy_rast(rid,rast)\n" 4222"SELECT 4, ST_MakeEmptyRaster(rast)\n" 4223"FROM dummy_rast WHERE rid = 3;\n" 4224"\n" 4225"-- 既存ラスタと生成したラスタのメタデータを出力\n" 4226"SELECT rid, (md).*\n" 4227"FROM (SELECT rid, ST_MetaData(rast) As md\n" 4228" FROM dummy_rast\n" 4229" WHERE rid IN(3,4)) As foo;\n" 4230"\n" 4231"-- output --\n" 4232" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 4233"skewy | srid | numbands\n" 4234"-----+------------+------------+-------+--------+------------+------------" 4235"+-------+-------+------+----------\n" 4236" 3 | 0.0005 | 0.0005 | 100 | 100 | 1 | 1 " 4237"| 0 | 0 | 4326 | 0\n" 4238" 4 | 0.0005 | 0.0005 | 100 | 100 | 1 | 1 " 4239"| 0 | 0 | 4326 | 0" 4240 4241#. Tag: para 4242#: reference_raster.xml:1684 4243#, no-c-format 4244msgid "" 4245", <xref linkend=\"RT_ST_MetaData\"/>, <xref linkend=\"RT_ST_ScaleX\"/>, " 4246"<xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_ST_SetValue\"/>, <xref " 4247"linkend=\"RT_ST_SkewX\"/>, , <xref linkend=\"RT_ST_SkewY\"/>" 4248msgstr "" 4249", <xref linkend=\"RT_ST_MetaData\"/>, <xref linkend=\"RT_ST_ScaleX\"/>, " 4250"<xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_ST_SetValue\"/>, <xref " 4251"linkend=\"RT_ST_SkewX\"/>, , <xref linkend=\"RT_ST_SkewY\"/>" 4252 4253#. Tag: refname 4254#: reference_raster.xml:1691 4255#, no-c-format 4256msgid "ST_Tile" 4257msgstr "ST_Tile" 4258 4259#. Tag: refpurpose 4260#: reference_raster.xml:1692 4261#, no-c-format 4262msgid "" 4263"<refpurpose>Returns a set of rasters resulting from the split of the input " 4264"raster based upon the desired dimensions of the output rasters.</refpurpose>" 4265msgstr "" 4266"<refpurpose>求められた出力ラスタのピクセル数に基づいて入力ラスタを分割した結" 4267"果のラスタ集合を返します。</refpurpose>" 4268 4269#. Tag: funcsynopsis 4270#: reference_raster.xml:1696 4271#, no-c-format 4272msgid "" 4273"<funcprototype> <funcdef>setof raster <function>ST_Tile</function></funcdef> " 4274"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4275"<paramdef><type>int[] </type> <parameter>nband</parameter></paramdef> " 4276"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 4277"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 4278"<paramdef choice=\"opt\"><type>boolean </type> " 4279"<parameter>padwithnodata=FALSE</parameter></paramdef> <paramdef choice=\"opt" 4280"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 4281"paramdef> </funcprototype> <funcprototype> <funcdef>setof raster " 4282"<function>ST_Tile</function></funcdef> <paramdef><type>raster </type> " 4283"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 4284"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 4285"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 4286"<parameter>height</parameter></paramdef> <paramdef choice=\"opt" 4287"\"><type>boolean </type> <parameter>padwithnodata=FALSE</parameter></" 4288"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 4289"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 4290"<funcprototype> <funcdef>setof raster <function>ST_Tile</function></funcdef> " 4291"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4292"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 4293"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 4294"<paramdef choice=\"opt\"><type>boolean </type> " 4295"<parameter>padwithnodata=FALSE</parameter></paramdef> <paramdef choice=\"opt" 4296"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 4297"paramdef> </funcprototype>" 4298msgstr "" 4299"<funcprototype> <funcdef>setof raster <function>ST_Tile</function></funcdef> " 4300"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4301"<paramdef><type>int[] </type> <parameter>nband</parameter></paramdef> " 4302"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 4303"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 4304"<paramdef choice=\"opt\"><type>boolean </type> " 4305"<parameter>padwithnodata=FALSE</parameter></paramdef> <paramdef choice=\"opt" 4306"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 4307"paramdef> </funcprototype> <funcprototype> <funcdef>setof raster " 4308"<function>ST_Tile</function></funcdef> <paramdef><type>raster </type> " 4309"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 4310"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 4311"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 4312"<parameter>height</parameter></paramdef> <paramdef choice=\"opt" 4313"\"><type>boolean </type> <parameter>padwithnodata=FALSE</parameter></" 4314"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 4315"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 4316"<funcprototype> <funcdef>setof raster <function>ST_Tile</function></funcdef> " 4317"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4318"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 4319"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 4320"<paramdef choice=\"opt\"><type>boolean </type> " 4321"<parameter>padwithnodata=FALSE</parameter></paramdef> <paramdef choice=\"opt" 4322"\"><type>double precision </type> <parameter>nodataval=NULL</parameter></" 4323"paramdef> </funcprototype>" 4324 4325#. Tag: para 4326#: reference_raster.xml:1732 4327#, no-c-format 4328msgid "" 4329"<para>Returns a set of rasters resulting from the split of the input raster " 4330"based upon the desired dimensions of the output rasters.</para>" 4331msgstr "" 4332"<para>求められた出力ラスタのピクセル数に基づいて入力ラスタを分割した結果のラ" 4333"スタ集合を返します。</para>" 4334 4335#. Tag: para 4336#: reference_raster.xml:1736 4337#, no-c-format 4338msgid "" 4339"If <varname>padwithnodata</varname> = FALSE, edge tiles on the right and " 4340"bottom sides of the raster may have different dimensions than the rest of " 4341"the tiles. If <varname>padwithnodata</varname> = TRUE, all tiles will have " 4342"the same dimensions with the possibility that edge tiles being padded with " 4343"NODATA values. If raster band(s) do not have NODATA value(s) specified, one " 4344"can be specified by setting <varname>nodataval</varname>." 4345msgstr "" 4346"<varname>padwithnodata</varname>がFALSEである場合には、ラスタの右端と下端のタ" 4347"イルは、他のタイルと異なるピクセル範囲を持つことがあります。" 4348"<varname>padwithnodata</varname>がTRUEの場合には、全てのタイルは同じピクセル" 4349"範囲を持ち、端のタイルにNODATA値が詰められます。ラスタバンドにNODATA値が指定" 4350"されていない場合には、<varname>nodataval</varname>で指定することができます。" 4351 4352#. Tag: para 4353#: reference_raster.xml:1741 4354#, no-c-format 4355msgid "" 4356"If a specified band of the input raster is out-of-db, the corresponding band " 4357"in the output rasters will also be out-of-db." 4358msgstr "" 4359"入力ラスタの指定したバンドがデータベース外ラスタの場合には、出力ラスタ内の対" 4360"応するバンドもデータベース外になります。" 4361 4362#. Tag: programlisting 4363#: reference_raster.xml:1752 4364#, no-c-format 4365msgid "" 4366"WITH foo AS (\n" 4367" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 4368"0, 0, 0), 1, '8BUI', 1, 0), 2, '8BUI', 10, 0) AS rast UNION ALL\n" 4369" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, 0, 1, -1, " 4370"0, 0, 0), 1, '8BUI', 2, 0), 2, '8BUI', 20, 0) AS rast UNION ALL\n" 4371" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, 0, 1, -1, " 4372"0, 0, 0), 1, '8BUI', 3, 0), 2, '8BUI', 30, 0) AS rast UNION ALL\n" 4373"\n" 4374" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -3, 1, -1, " 4375"0, 0, 0), 1, '8BUI', 4, 0), 2, '8BUI', 40, 0) AS rast UNION ALL\n" 4376" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -3, 1, -1, " 4377"0, 0, 0), 1, '8BUI', 5, 0), 2, '8BUI', 50, 0) AS rast UNION ALL\n" 4378" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -3, 1, -1, " 4379"0, 0, 0), 1, '8BUI', 6, 0), 2, '8BUI', 60, 0) AS rast UNION ALL\n" 4380"\n" 4381" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -6, 1, -1, " 4382"0, 0, 0), 1, '8BUI', 7, 0), 2, '8BUI', 70, 0) AS rast UNION ALL\n" 4383" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -6, 1, -1, " 4384"0, 0, 0), 1, '8BUI', 8, 0), 2, '8BUI', 80, 0) AS rast UNION ALL\n" 4385" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -6, 1, -1, " 4386"0, 0, 0), 1, '8BUI', 9, 0), 2, '8BUI', 90, 0) AS rast\n" 4387"), bar AS (\n" 4388" SELECT ST_Union(rast) AS rast FROM foo\n" 4389"), baz AS (\n" 4390" SELECT ST_Tile(rast, 3, 3, TRUE) AS rast FROM bar\n" 4391")\n" 4392"SELECT\n" 4393" ST_DumpValues(rast)\n" 4394"FROM baz;\n" 4395"\n" 4396" st_dumpvalues\n" 4397"------------------------------------------\n" 4398" (1,\"{{1,1,1},{1,1,1},{1,1,1}}\")\n" 4399" (2,\"{{10,10,10},{10,10,10},{10,10,10}}\")\n" 4400" (1,\"{{2,2,2},{2,2,2},{2,2,2}}\")\n" 4401" (2,\"{{20,20,20},{20,20,20},{20,20,20}}\")\n" 4402" (1,\"{{3,3,3},{3,3,3},{3,3,3}}\")\n" 4403" (2,\"{{30,30,30},{30,30,30},{30,30,30}}\")\n" 4404" (1,\"{{4,4,4},{4,4,4},{4,4,4}}\")\n" 4405" (2,\"{{40,40,40},{40,40,40},{40,40,40}}\")\n" 4406" (1,\"{{5,5,5},{5,5,5},{5,5,5}}\")\n" 4407" (2,\"{{50,50,50},{50,50,50},{50,50,50}}\")\n" 4408" (1,\"{{6,6,6},{6,6,6},{6,6,6}}\")\n" 4409" (2,\"{{60,60,60},{60,60,60},{60,60,60}}\")\n" 4410" (1,\"{{7,7,7},{7,7,7},{7,7,7}}\")\n" 4411" (2,\"{{70,70,70},{70,70,70},{70,70,70}}\")\n" 4412" (1,\"{{8,8,8},{8,8,8},{8,8,8}}\")\n" 4413" (2,\"{{80,80,80},{80,80,80},{80,80,80}}\")\n" 4414" (1,\"{{9,9,9},{9,9,9},{9,9,9}}\")\n" 4415" (2,\"{{90,90,90},{90,90,90},{90,90,90}}\")\n" 4416"(18 rows)" 4417msgstr "" 4418"WITH foo AS (\n" 4419" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 4420"0, 0, 0), 1, '8BUI', 1, 0), 2, '8BUI', 10, 0) AS rast UNION ALL\n" 4421" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, 0, 1, -1, " 4422"0, 0, 0), 1, '8BUI', 2, 0), 2, '8BUI', 20, 0) AS rast UNION ALL\n" 4423" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, 0, 1, -1, " 4424"0, 0, 0), 1, '8BUI', 3, 0), 2, '8BUI', 30, 0) AS rast UNION ALL\n" 4425"\n" 4426" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -3, 1, -1, " 4427"0, 0, 0), 1, '8BUI', 4, 0), 2, '8BUI', 40, 0) AS rast UNION ALL\n" 4428" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -3, 1, -1, " 4429"0, 0, 0), 1, '8BUI', 5, 0), 2, '8BUI', 50, 0) AS rast UNION ALL\n" 4430" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -3, 1, -1, " 4431"0, 0, 0), 1, '8BUI', 6, 0), 2, '8BUI', 60, 0) AS rast UNION ALL\n" 4432"\n" 4433" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -6, 1, -1, " 4434"0, 0, 0), 1, '8BUI', 7, 0), 2, '8BUI', 70, 0) AS rast UNION ALL\n" 4435" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -6, 1, -1, " 4436"0, 0, 0), 1, '8BUI', 8, 0), 2, '8BUI', 80, 0) AS rast UNION ALL\n" 4437" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -6, 1, -1, " 4438"0, 0, 0), 1, '8BUI', 9, 0), 2, '8BUI', 90, 0) AS rast\n" 4439"), bar AS (\n" 4440" SELECT ST_Union(rast) AS rast FROM foo\n" 4441"), baz AS (\n" 4442" SELECT ST_Tile(rast, 3, 3, TRUE) AS rast FROM bar\n" 4443")\n" 4444"SELECT\n" 4445" ST_DumpValues(rast)\n" 4446"FROM baz;\n" 4447"\n" 4448" st_dumpvalues\n" 4449"------------------------------------------\n" 4450" (1,\"{{1,1,1},{1,1,1},{1,1,1}}\")\n" 4451" (2,\"{{10,10,10},{10,10,10},{10,10,10}}\")\n" 4452" (1,\"{{2,2,2},{2,2,2},{2,2,2}}\")\n" 4453" (2,\"{{20,20,20},{20,20,20},{20,20,20}}\")\n" 4454" (1,\"{{3,3,3},{3,3,3},{3,3,3}}\")\n" 4455" (2,\"{{30,30,30},{30,30,30},{30,30,30}}\")\n" 4456" (1,\"{{4,4,4},{4,4,4},{4,4,4}}\")\n" 4457" (2,\"{{40,40,40},{40,40,40},{40,40,40}}\")\n" 4458" (1,\"{{5,5,5},{5,5,5},{5,5,5}}\")\n" 4459" (2,\"{{50,50,50},{50,50,50},{50,50,50}}\")\n" 4460" (1,\"{{6,6,6},{6,6,6},{6,6,6}}\")\n" 4461" (2,\"{{60,60,60},{60,60,60},{60,60,60}}\")\n" 4462" (1,\"{{7,7,7},{7,7,7},{7,7,7}}\")\n" 4463" (2,\"{{70,70,70},{70,70,70},{70,70,70}}\")\n" 4464" (1,\"{{8,8,8},{8,8,8},{8,8,8}}\")\n" 4465" (2,\"{{80,80,80},{80,80,80},{80,80,80}}\")\n" 4466" (1,\"{{9,9,9},{9,9,9},{9,9,9}}\")\n" 4467" (2,\"{{90,90,90},{90,90,90},{90,90,90}}\")\n" 4468"(18 rows)" 4469 4470#. Tag: programlisting 4471#: reference_raster.xml:1754 4472#, no-c-format 4473msgid "" 4474"WITH foo AS (\n" 4475" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 4476"0, 0, 0), 1, '8BUI', 1, 0), 2, '8BUI', 10, 0) AS rast UNION ALL\n" 4477" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, 0, 1, -1, " 4478"0, 0, 0), 1, '8BUI', 2, 0), 2, '8BUI', 20, 0) AS rast UNION ALL\n" 4479" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, 0, 1, -1, " 4480"0, 0, 0), 1, '8BUI', 3, 0), 2, '8BUI', 30, 0) AS rast UNION ALL\n" 4481"\n" 4482" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -3, 1, -1, " 4483"0, 0, 0), 1, '8BUI', 4, 0), 2, '8BUI', 40, 0) AS rast UNION ALL\n" 4484" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -3, 1, -1, " 4485"0, 0, 0), 1, '8BUI', 5, 0), 2, '8BUI', 50, 0) AS rast UNION ALL\n" 4486" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -3, 1, -1, " 4487"0, 0, 0), 1, '8BUI', 6, 0), 2, '8BUI', 60, 0) AS rast UNION ALL\n" 4488"\n" 4489" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -6, 1, -1, " 4490"0, 0, 0), 1, '8BUI', 7, 0), 2, '8BUI', 70, 0) AS rast UNION ALL\n" 4491" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -6, 1, -1, " 4492"0, 0, 0), 1, '8BUI', 8, 0), 2, '8BUI', 80, 0) AS rast UNION ALL\n" 4493" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -6, 1, -1, " 4494"0, 0, 0), 1, '8BUI', 9, 0), 2, '8BUI', 90, 0) AS rast\n" 4495"), bar AS (\n" 4496" SELECT ST_Union(rast) AS rast FROM foo\n" 4497"), baz AS (\n" 4498" SELECT ST_Tile(rast, 3, 3, 2) AS rast FROM bar\n" 4499")\n" 4500"SELECT\n" 4501" ST_DumpValues(rast)\n" 4502"FROM baz;\n" 4503"\n" 4504" st_dumpvalues\n" 4505"------------------------------------------\n" 4506" (1,\"{{10,10,10},{10,10,10},{10,10,10}}\")\n" 4507" (1,\"{{20,20,20},{20,20,20},{20,20,20}}\")\n" 4508" (1,\"{{30,30,30},{30,30,30},{30,30,30}}\")\n" 4509" (1,\"{{40,40,40},{40,40,40},{40,40,40}}\")\n" 4510" (1,\"{{50,50,50},{50,50,50},{50,50,50}}\")\n" 4511" (1,\"{{60,60,60},{60,60,60},{60,60,60}}\")\n" 4512" (1,\"{{70,70,70},{70,70,70},{70,70,70}}\")\n" 4513" (1,\"{{80,80,80},{80,80,80},{80,80,80}}\")\n" 4514" (1,\"{{90,90,90},{90,90,90},{90,90,90}}\")\n" 4515"(9 rows)" 4516msgstr "" 4517"WITH foo AS (\n" 4518" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 4519"0, 0, 0), 1, '8BUI', 1, 0), 2, '8BUI', 10, 0) AS rast UNION ALL\n" 4520" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, 0, 1, -1, " 4521"0, 0, 0), 1, '8BUI', 2, 0), 2, '8BUI', 20, 0) AS rast UNION ALL\n" 4522" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, 0, 1, -1, " 4523"0, 0, 0), 1, '8BUI', 3, 0), 2, '8BUI', 30, 0) AS rast UNION ALL\n" 4524"\n" 4525" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -3, 1, -1, " 4526"0, 0, 0), 1, '8BUI', 4, 0), 2, '8BUI', 40, 0) AS rast UNION ALL\n" 4527" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -3, 1, -1, " 4528"0, 0, 0), 1, '8BUI', 5, 0), 2, '8BUI', 50, 0) AS rast UNION ALL\n" 4529" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -3, 1, -1, " 4530"0, 0, 0), 1, '8BUI', 6, 0), 2, '8BUI', 60, 0) AS rast UNION ALL\n" 4531"\n" 4532" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, -6, 1, -1, " 4533"0, 0, 0), 1, '8BUI', 7, 0), 2, '8BUI', 70, 0) AS rast UNION ALL\n" 4534" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 3, -6, 1, -1, " 4535"0, 0, 0), 1, '8BUI', 8, 0), 2, '8BUI', 80, 0) AS rast UNION ALL\n" 4536" SELECT ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 6, -6, 1, -1, " 4537"0, 0, 0), 1, '8BUI', 9, 0), 2, '8BUI', 90, 0) AS rast\n" 4538"), bar AS (\n" 4539" SELECT ST_Union(rast) AS rast FROM foo\n" 4540"), baz AS (\n" 4541" SELECT ST_Tile(rast, 3, 3, 2) AS rast FROM bar\n" 4542")\n" 4543"SELECT\n" 4544" ST_DumpValues(rast)\n" 4545"FROM baz;\n" 4546"\n" 4547" st_dumpvalues\n" 4548"------------------------------------------\n" 4549" (1,\"{{10,10,10},{10,10,10},{10,10,10}}\")\n" 4550" (1,\"{{20,20,20},{20,20,20},{20,20,20}}\")\n" 4551" (1,\"{{30,30,30},{30,30,30},{30,30,30}}\")\n" 4552" (1,\"{{40,40,40},{40,40,40},{40,40,40}}\")\n" 4553" (1,\"{{50,50,50},{50,50,50},{50,50,50}}\")\n" 4554" (1,\"{{60,60,60},{60,60,60},{60,60,60}}\")\n" 4555" (1,\"{{70,70,70},{70,70,70},{70,70,70}}\")\n" 4556" (1,\"{{80,80,80},{80,80,80},{80,80,80}}\")\n" 4557" (1,\"{{90,90,90},{90,90,90},{90,90,90}}\")\n" 4558"(9 rows)" 4559 4560#. Tag: para 4561#: reference_raster.xml:1760 4562#, no-c-format 4563msgid ", <xref linkend=\"RT_Retile\"/>" 4564msgstr ", <xref linkend=\"RT_Retile\"/>" 4565 4566#. Tag: refname 4567#: reference_raster.xml:1770 4568#, no-c-format 4569msgid "ST_Retile" 4570msgstr "ST_Retile" 4571 4572#. Tag: refpurpose 4573#: reference_raster.xml:1771 4574#, no-c-format 4575msgid "" 4576"Return a set of configured tiles from an arbitrarily tiled raster coverage." 4577msgstr "" 4578"任意のタイル化されたラスタカバレッジから構成されたタイルの集合を返します。" 4579 4580#. Tag: funcprototype 4581#: reference_raster.xml:1779 4582#, no-c-format 4583msgid "" 4584"<funcdef>SETOF raster <function>ST_Retile</function></funcdef> " 4585"<paramdef><type>regclass </type> <parameter>tab</parameter></paramdef> " 4586"<paramdef><type>name </type> <parameter>col</parameter></paramdef> " 4587"<paramdef><type>geometry </type> <parameter>ext</parameter></paramdef> " 4588"<paramdef><type>float8 </type> <parameter>sfx</parameter></paramdef> " 4589"<paramdef><type>float8 </type> <parameter>sfy</parameter></paramdef> " 4590"<paramdef><type>int </type> <parameter>tw</parameter></paramdef> " 4591"<paramdef><type>int </type> <parameter>th</parameter></paramdef> <paramdef " 4592"choice=\"opt\"><type>text </type> <parameter>algo='NearestNeighbor'</" 4593"parameter></paramdef>" 4594msgstr "" 4595"<funcdef>SETOF raster <function>ST_Retile</function></funcdef> " 4596"<paramdef><type>regclass </type> <parameter>tab</parameter></paramdef> " 4597"<paramdef><type>name </type> <parameter>col</parameter></paramdef> " 4598"<paramdef><type>geometry </type> <parameter>ext</parameter></paramdef> " 4599"<paramdef><type>float8 </type> <parameter>sfx</parameter></paramdef> " 4600"<paramdef><type>float8 </type> <parameter>sfy</parameter></paramdef> " 4601"<paramdef><type>int </type> <parameter>tw</parameter></paramdef> " 4602"<paramdef><type>int </type> <parameter>th</parameter></paramdef> <paramdef " 4603"choice=\"opt\"><type>text </type> <parameter>algo='NearestNeighbor'</" 4604"parameter></paramdef>" 4605 4606#. Tag: para 4607#: reference_raster.xml:1797 4608#, no-c-format 4609msgid "" 4610"Return a set of tiles having the specified scale (<varname>sfx</varname>, " 4611"<varname>sfy</varname>) and max size (<varname>tw</varname>, <varname>th</" 4612"varname>) and covering the specified extent (<varname>ext</varname>) with " 4613"data coming from the specified raster coverage (<varname>tab</varname>, " 4614"<varname>col</varname>)." 4615msgstr "" 4616"指定された縮尺 (<varname>sfx</varname>, <varname>sfy</varname>)と最大サイズ " 4617"(<varname>tw</varname>, <varname>th</varname>)を持ち、指定された範囲 " 4618"(<varname>ext</varname>)を包含し、指定されたラスタカバレッジ (<varname>tab</" 4619"varname>, <varname>col</varname>)からのデータを持つタイルの集合を返します。" 4620 4621#. Tag: refname 4622#: reference_raster.xml:1821 4623#, no-c-format 4624msgid "ST_FromGDALRaster" 4625msgstr "ST_FromGDALRaster" 4626 4627#. Tag: refpurpose 4628#: reference_raster.xml:1822 4629#, no-c-format 4630msgid "Returns a raster from a supported GDAL raster file." 4631msgstr "対応するGDALラスタファイルからラスタを返します。" 4632 4633#. Tag: funcprototype 4634#: reference_raster.xml:1827 4635#, no-c-format 4636msgid "" 4637"<funcdef>raster <function>ST_FromGDALRaster</function></funcdef> " 4638"<paramdef><type>bytea </type> <parameter>gdaldata</parameter></paramdef> " 4639"<paramdef choice=\"opt\"><type>integer </type> <parameter>srid=NULL</" 4640"parameter></paramdef>" 4641msgstr "" 4642"<funcdef>raster <function>ST_FromGDALRaster</function></funcdef> " 4643"<paramdef><type>bytea </type> <parameter>gdaldata</parameter></paramdef> " 4644"<paramdef choice=\"opt\"><type>integer </type> <parameter>srid=NULL</" 4645"parameter></paramdef>" 4646 4647#. Tag: para 4648#: reference_raster.xml:1839 4649#, no-c-format 4650msgid "" 4651"Returns a raster from a supported GDAL raster file. <varname>gdaldata</" 4652"varname> is of type bytea and should be the contents of the GDAL raster file." 4653msgstr "" 4654"対応するGDALラスタファイルからラスタを返します。<varname>gdaldata</varname>は" 4655"bytea型で、GDALラスタファイルの中身です。" 4656 4657#. Tag: para 4658#: reference_raster.xml:1843 4659#, no-c-format 4660msgid "" 4661"If <varname>srid</varname> is NULL, the function will try to automatically " 4662"assign the SRID from the GDAL raster. If <varname>srid</varname> is " 4663"provided, the value provided will override any automatically assigned SRID." 4664msgstr "" 4665"<varname>srid</varname>がNULLの場合には、この関数は、GDALラスタから自動的に" 4666"SRIDを設定しようとします。<varname>srid</varname>が与えられている場合には、与" 4667"えられた値が自動的に設定したSRIDを上書きします。" 4668 4669#. Tag: programlisting 4670#: reference_raster.xml:1853 4671#, no-c-format 4672msgid "" 4673"WITH foo AS (\n" 4674" SELECT " 4675"ST_AsPNG(ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, " 4676"0.1, -0.1, 0, 0, 4326), 1, '8BUI', 1, 0), 2, '8BUI', 2, 0), 3, '8BUI', 3, " 4677"0)) AS png\n" 4678"),\n" 4679"bar AS (\n" 4680" SELECT 1 AS rid, ST_FromGDALRaster(png) AS rast FROM foo\n" 4681" UNION ALL\n" 4682" SELECT 2 AS rid, ST_FromGDALRaster(png, 3310) AS rast FROM foo\n" 4683")\n" 4684"SELECT\n" 4685" rid,\n" 4686" ST_Metadata(rast) AS metadata,\n" 4687" ST_SummaryStats(rast, 1) AS stats1,\n" 4688" ST_SummaryStats(rast, 2) AS stats2,\n" 4689" ST_SummaryStats(rast, 3) AS stats3\n" 4690"FROM bar\n" 4691"ORDER BY rid;\n" 4692"\n" 4693" rid | metadata | stats1 | stats2 | " 4694"stats3\n" 4695"-----+---------------------------+---------------+---------------" 4696"+----------------\n" 4697" 1 | (0,0,2,2,1,-1,0,0,0,3) | (4,4,1,0,1,1) | (4,8,2,0,2,2) | " 4698"(4,12,3,0,3,3)\n" 4699" 2 | (0,0,2,2,1,-1,0,0,3310,3) | (4,4,1,0,1,1) | (4,8,2,0,2,2) | " 4700"(4,12,3,0,3,3)\n" 4701"(2 rows)" 4702msgstr "" 4703"WITH foo AS (\n" 4704" SELECT " 4705"ST_AsPNG(ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, " 4706"0.1, -0.1, 0, 0, 4326), 1, '8BUI', 1, 0), 2, '8BUI', 2, 0), 3, '8BUI', 3, " 4707"0)) AS png\n" 4708"),\n" 4709"bar AS (\n" 4710" SELECT 1 AS rid, ST_FromGDALRaster(png) AS rast FROM foo\n" 4711" UNION ALL\n" 4712" SELECT 2 AS rid, ST_FromGDALRaster(png, 3310) AS rast FROM foo\n" 4713")\n" 4714"SELECT\n" 4715" rid,\n" 4716" ST_Metadata(rast) AS metadata,\n" 4717" ST_SummaryStats(rast, 1) AS stats1,\n" 4718" ST_SummaryStats(rast, 2) AS stats2,\n" 4719" ST_SummaryStats(rast, 3) AS stats3\n" 4720"FROM bar\n" 4721"ORDER BY rid;\n" 4722"\n" 4723" rid | metadata | stats1 | stats2 | " 4724"stats3\n" 4725"-----+---------------------------+---------------+---------------" 4726"+----------------\n" 4727" 1 | (0,0,2,2,1,-1,0,0,0,3) | (4,4,1,0,1,1) | (4,8,2,0,2,2) | " 4728"(4,12,3,0,3,3)\n" 4729" 2 | (0,0,2,2,1,-1,0,0,3310,3) | (4,4,1,0,1,1) | (4,8,2,0,2,2) | " 4730"(4,12,3,0,3,3)\n" 4731"(2 rows)" 4732 4733#. Tag: title 4734#: reference_raster.xml:1868 4735#, no-c-format 4736msgid "Raster Accessors" 4737msgstr "ラスタアクセサ" 4738 4739#. Tag: refname 4740#: reference_raster.xml:1872 4741#, no-c-format 4742msgid "ST_GeoReference" 4743msgstr "ST_GeoReference" 4744 4745#. Tag: refpurpose 4746#: reference_raster.xml:1873 4747#, no-c-format 4748msgid "" 4749"Returns the georeference meta data in GDAL or ESRI format as commonly seen " 4750"in a world file. Default is GDAL." 4751msgstr "" 4752"GDAL書式または一般的にワールドファイルでみられるESRI書式の地理参照メタデータ" 4753"を返します。デフォルトはGDALです。" 4754 4755#. Tag: funcprototype 4756#: reference_raster.xml:1878 4757#, no-c-format 4758msgid "" 4759"<funcdef>text <function>ST_GeoReference</function></funcdef> " 4760"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4761"<paramdef choice=\"opt\"><type>text </type> <parameter>format=GDAL</" 4762"parameter></paramdef>" 4763msgstr "" 4764"<funcdef>text <function>ST_GeoReference</function></funcdef> " 4765"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 4766"<paramdef choice=\"opt\"><type>text </type> <parameter>format=GDAL</" 4767"parameter></paramdef>" 4768 4769#. Tag: para 4770#: reference_raster.xml:1889 4771#, no-c-format 4772msgid "" 4773"Returns the georeference meta data including carriage return in GDAL or ESRI " 4774"format as commonly seen in a <ulink url=\"http://en.wikipedia.org/wiki/" 4775"World_file\">world file</ulink>. Default is GDAL if no type specified. type " 4776"is string 'GDAL' or 'ESRI'." 4777msgstr "" 4778"GDAL書式または一般的に<ulink url=\"http://en.wikipedia.org/wiki/World_file" 4779"\">world file</ulink> (英語版WikiPedia)でみられるESRI書式の地理参照メタデータ" 4780"を返します。書式を指定したいない場合のデフォルトはGDALです。書式は'GDAL'また" 4781"は'ESRI'の文字列です。" 4782 4783#. Tag: para 4784#: reference_raster.xml:1891 reference_raster.xml:4230 4785#, no-c-format 4786msgid "Difference between format representations is as follows:" 4787msgstr "書式の表現の違いは次の通りです。" 4788 4789#. Tag: para 4790#: reference_raster.xml:1892 reference_raster.xml:4231 4791#, no-c-format 4792msgid "<varname>GDAL</varname>:" 4793msgstr "<varname>GDAL</varname>:" 4794 4795#. Tag: programlisting 4796#: reference_raster.xml:1893 4797#, no-c-format 4798msgid "" 4799"scalex\n" 4800"skewy\n" 4801"skewx\n" 4802"scaley\n" 4803"upperleftx\n" 4804"upperlefty" 4805msgstr "" 4806"scalex\n" 4807"skewy\n" 4808"skewx\n" 4809"scaley\n" 4810"upperleftx\n" 4811"upperlefty" 4812 4813#. Tag: para 4814#: reference_raster.xml:1894 reference_raster.xml:4233 4815#, no-c-format 4816msgid "<varname>ESRI</varname>:" 4817msgstr "<varname>ESRI</varname>:" 4818 4819#. Tag: programlisting 4820#: reference_raster.xml:1895 4821#, no-c-format 4822msgid "" 4823"scalex\n" 4824"skewy\n" 4825"skewx\n" 4826"scaley\n" 4827"upperleftx + scalex*0.5\n" 4828"upperlefty + scaley*0.5" 4829msgstr "" 4830"scalex\n" 4831"skewy\n" 4832"skewx\n" 4833"scaley\n" 4834"upperleftx + scalex*0.5\n" 4835"upperlefty + scaley*0.5" 4836 4837#. Tag: programlisting 4838#: reference_raster.xml:1901 4839#, no-c-format 4840msgid "" 4841"SELECT ST_GeoReference(rast, 'ESRI') As esri_ref, ST_GeoReference(rast, " 4842"'GDAL') As gdal_ref\n" 4843" FROM dummy_rast WHERE rid=1;\n" 4844"\n" 4845" esri_ref | gdal_ref\n" 4846"--------------+--------------\n" 4847" 2.0000000000 | 2.0000000000\n" 4848" 0.0000000000 : 0.0000000000\n" 4849" 0.0000000000 : 0.0000000000\n" 4850" 3.0000000000 : 3.0000000000\n" 4851" 1.5000000000 : 0.5000000000\n" 4852" 2.0000000000 : 0.5000000000" 4853msgstr "" 4854"SELECT ST_GeoReference(rast, 'ESRI') As esri_ref, ST_GeoReference(rast, " 4855"'GDAL') As gdal_ref\n" 4856" FROM dummy_rast WHERE rid=1;\n" 4857"\n" 4858" esri_ref | gdal_ref\n" 4859"--------------+--------------\n" 4860" 2.0000000000 | 2.0000000000\n" 4861" 0.0000000000 : 0.0000000000\n" 4862" 0.0000000000 : 0.0000000000\n" 4863" 3.0000000000 : 3.0000000000\n" 4864" 1.5000000000 : 0.5000000000\n" 4865" 2.0000000000 : 0.5000000000" 4866 4867#. Tag: para 4868#: reference_raster.xml:1906 4869#, no-c-format 4870msgid ", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>" 4871msgstr ", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>" 4872 4873#. Tag: refname 4874#: reference_raster.xml:1912 4875#, no-c-format 4876msgid "ST_Height" 4877msgstr "ST_Height" 4878 4879#. Tag: refpurpose 4880#: reference_raster.xml:1913 4881#, no-c-format 4882msgid "Returns the height of the raster in pixels." 4883msgstr "ラスタの高さをピクセル単位で返します。" 4884 4885#. Tag: funcprototype 4886#: reference_raster.xml:1918 4887#, no-c-format 4888msgid "" 4889"<funcdef>integer <function>ST_Height</function></funcdef> " 4890"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 4891msgstr "" 4892"<funcdef>integer <function>ST_Height</function></funcdef> " 4893"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 4894 4895#. Tag: para 4896#: reference_raster.xml:1928 4897#, no-c-format 4898msgid "Returns the height of the raster." 4899msgstr "ラスタの高さをピクセル単位で返します。" 4900 4901#. Tag: programlisting 4902#: reference_raster.xml:1934 4903#, no-c-format 4904msgid "" 4905"SELECT rid, ST_Height(rast) As rastheight\n" 4906"FROM dummy_rast;\n" 4907"\n" 4908" rid | rastheight\n" 4909"-----+------------\n" 4910" 1 | 20\n" 4911" 2 | 5" 4912msgstr "" 4913"SELECT rid, ST_Height(rast) As rastheight\n" 4914"FROM dummy_rast;\n" 4915"\n" 4916" rid | rastheight\n" 4917"-----+------------\n" 4918" 1 | 20\n" 4919" 2 | 5" 4920 4921#. Tag: refname 4922#: reference_raster.xml:1946 4923#, no-c-format 4924msgid "ST_IsEmpty" 4925msgstr "ST_IsEmpty" 4926 4927#. Tag: refpurpose 4928#: reference_raster.xml:1947 4929#, no-c-format 4930msgid "" 4931"<refpurpose>Returns true if the raster is empty (width = 0 and height = 0). " 4932"Otherwise, returns false.</refpurpose>" 4933msgstr "" 4934"<refpurpose>ラスタが空 (幅が0で高さが0)の場合にはTRUEを返します。他の場合に" 4935"は、FALSEを返します。</refpurpose>" 4936 4937#. Tag: funcprototype 4938#: reference_raster.xml:1952 4939#, no-c-format 4940msgid "" 4941"<funcdef>boolean <function>ST_IsEmpty</function></funcdef> " 4942"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 4943msgstr "" 4944"<funcdef>boolean <function>ST_IsEmpty</function></funcdef> " 4945"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 4946 4947#. Tag: para 4948#: reference_raster.xml:1962 4949#, no-c-format 4950msgid "" 4951"<para>Returns true if the raster is empty (width = 0 and height = 0). " 4952"Otherwise, returns false.</para>" 4953msgstr "" 4954"<para>ラスタが空 (幅が0で高さが0)の場合にはTRUEを返します。他の場合には、" 4955"FALSEを返します。</para>" 4956 4957#. Tag: programlisting 4958#: reference_raster.xml:1970 4959#, no-c-format 4960msgid "" 4961"SELECT ST_IsEmpty(ST_MakeEmptyRaster(100, 100, 0, 0, 0, 0, 0, 0))\n" 4962"st_isempty |\n" 4963"-----------+\n" 4964"f |\n" 4965"\n" 4966"\n" 4967"SELECT ST_IsEmpty(ST_MakeEmptyRaster(0, 0, 0, 0, 0, 0, 0, 0))\n" 4968"st_isempty |\n" 4969"-----------+\n" 4970"t |" 4971msgstr "" 4972"SELECT ST_IsEmpty(ST_MakeEmptyRaster(100, 100, 0, 0, 0, 0, 0, 0))\n" 4973"st_isempty |\n" 4974"-----------+\n" 4975"f |\n" 4976"\n" 4977"\n" 4978"SELECT ST_IsEmpty(ST_MakeEmptyRaster(0, 0, 0, 0, 0, 0, 0, 0))\n" 4979"st_isempty |\n" 4980"-----------+\n" 4981"t |" 4982 4983#. Tag: refname 4984#: reference_raster.xml:1982 4985#, no-c-format 4986msgid "ST_MemSize" 4987msgstr "ST_MemSize" 4988 4989#. Tag: refpurpose 4990#: reference_raster.xml:1984 4991#, no-c-format 4992msgid "" 4993"<refpurpose>Returns the amount of space (in bytes) the raster takes.</" 4994"refpurpose>" 4995msgstr "" 4996"<refpurpose>ラスタが取る領域の合計をバイト単位で返します。</refpurpose>" 4997 4998#. Tag: funcprototype 4999#: reference_raster.xml:1989 5000#, no-c-format 5001msgid "" 5002"<funcdef>integer <function>ST_MemSize</function></funcdef> " 5003"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5004msgstr "" 5005"<funcdef>integer <function>ST_MemSize</function></funcdef> " 5006"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5007 5008#. Tag: para 5009#: reference_raster.xml:1999 5010#, no-c-format 5011msgid "<para>Returns the amount of space (in bytes) the raster takes.</para>" 5012msgstr "<para>ラスタが取る領域の合計をバイト単位で返します。</para>" 5013 5014#. Tag: para 5015#: reference_raster.xml:2000 5016#, no-c-format 5017msgid "" 5018"This is a nice compliment to PostgreSQL built in functions pg_column_size, " 5019"pg_size_pretty, pg_relation_size, pg_total_relation_size." 5020msgstr "" 5021"この関数はPostgreSQLビルトイン関数pg_clumn_size, pg_size_pretty, " 5022"pg_relation_size, pg_total_relation_sizeへのすばらしい賛辞です。" 5023 5024#. Tag: para 5025#: reference_raster.xml:2001 5026#, no-c-format 5027msgid "" 5028"pg_relation_size which gives the byte size of a table may return byte size " 5029"lower than ST_MemSize. This is because pg_relation_size does not add toasted " 5030"table contribution and large geometries are stored in TOAST tables. " 5031"pg_column_size might return lower because it returns the compressed size." 5032msgstr "" 5033"テーブルのバイト単位のサイズを得るpg_relation_sizeはST_MemSizeよりも小さい値" 5034"を返すことがあります。pg_relation_sizeはTOASTテーブルの寄与分を追加せず、大き" 5035"なジオメトリはTOASTテーブルに格納されるためです。pg_column_sizeは圧縮後のサイ" 5036"ズを返すので、小さくなることがあります。" 5037 5038#. Tag: para 5039#: reference_raster.xml:2003 5040#, no-c-format 5041msgid "" 5042"pg_total_relation_size - includes, the table, the toasted tables, and the " 5043"indexes." 5044msgstr "" 5045"pg_total_relation_size - テーブル、TOASTテーブル、インデクスを含みます。" 5046 5047#. Tag: programlisting 5048#: reference_raster.xml:2013 5049#, no-c-format 5050msgid "" 5051"SELECT ST_MemSize(ST_AsRaster(ST_Buffer(ST_Point(1,5),10,1000),150, 150, " 5052"'8BUI')) As rast_mem;\n" 5053"\n" 5054" rast_mem\n" 5055" --------\n" 5056" 22568" 5057msgstr "" 5058"SELECT ST_MemSize(ST_AsRaster(ST_Buffer(ST_Point(1,5),10,1000),150, 150, " 5059"'8BUI')) As rast_mem;\n" 5060"\n" 5061" rast_mem\n" 5062" --------\n" 5063" 22568" 5064 5065#. Tag: refname 5066#: reference_raster.xml:2026 5067#, no-c-format 5068msgid "ST_MetaData" 5069msgstr "ST_MetaData" 5070 5071#. Tag: refpurpose 5072#: reference_raster.xml:2027 5073#, no-c-format 5074msgid "" 5075"Returns basic meta data about a raster object such as pixel size, rotation " 5076"(skew), upper, lower left, etc." 5077msgstr "" 5078"ピクセル数、回転 (スキュー)、左上隅位置等のラスタオブジェクトに関する基本的な" 5079"メタデータを返します。" 5080 5081#. Tag: funcprototype 5082#: reference_raster.xml:2032 5083#, no-c-format 5084msgid "" 5085"<funcdef>record <function>ST_MetaData</function></funcdef> " 5086"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5087msgstr "" 5088"<funcdef>record <function>ST_MetaData</function></funcdef> " 5089"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5090 5091#. Tag: para 5092#: reference_raster.xml:2042 5093#, no-c-format 5094msgid "" 5095"Returns basic meta data about a raster object such as pixel size, rotation " 5096"(skew), upper, lower left, etc. Columns returned: upperleftx | upperlefty | " 5097"width | height | scalex | scaley | skewx | skewy | srid | numbands" 5098msgstr "" 5099"ピクセルサイズ、回転 (skew)、左上隅位置等のラスタオブジェクトに関する基本的な" 5100"メタデータを返します。返されるカラムはupperleftx | upperlefty | width | " 5101"height | scalex | scaley | skewx | skewy | srid | numbandsです。" 5102 5103#. Tag: programlisting 5104#: reference_raster.xml:2049 5105#, no-c-format 5106msgid "" 5107"SELECT rid, (foo.md).*\n" 5108" FROM (SELECT rid, ST_MetaData(rast) As md\n" 5109"FROM dummy_rast) As foo;\n" 5110"\n" 5111" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 5112"skewy | srid | numbands\n" 5113" ----+------------+------------+-------+--------+--------+-----------+-------" 5114"+-------+------+-------\n" 5115" 1 | 0.5 | 0.5 | 10 | 20 | 2 | 3 " 5116"| 0 | 0 | 0 | 0\n" 5117" 2 | 3427927.75 | 5793244 | 5 | 5 | 0.05 | -0.05 " 5118"| 0 | 0 | 0 | 3" 5119msgstr "" 5120"SELECT rid, (foo.md).*\n" 5121" FROM (SELECT rid, ST_MetaData(rast) As md\n" 5122"FROM dummy_rast) As foo;\n" 5123"\n" 5124" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 5125"skewy | srid | numbands\n" 5126" ----+------------+------------+-------+--------+--------+-----------+-------" 5127"+-------+------+-------\n" 5128" 1 | 0.5 | 0.5 | 10 | 20 | 2 | 3 " 5129"| 0 | 0 | 0 | 0\n" 5130" 2 | 3427927.75 | 5793244 | 5 | 5 | 0.05 | -0.05 " 5131"| 0 | 0 | 0 | 3" 5132 5133#. Tag: para 5134#: reference_raster.xml:2055 reference_raster.xml:5009 5135#, no-c-format 5136msgid ", <xref linkend=\"RT_ST_NumBands\"/>" 5137msgstr ", <xref linkend=\"RT_ST_NumBands\"/>" 5138 5139#. Tag: refname 5140#: reference_raster.xml:2061 5141#, no-c-format 5142msgid "ST_NumBands" 5143msgstr "ST_NumBands" 5144 5145#. Tag: refpurpose 5146#: reference_raster.xml:2062 5147#, no-c-format 5148msgid "" 5149"<refpurpose>Returns the number of bands in the raster object.</refpurpose>" 5150msgstr "<refpurpose>ラスタオブジェクトのバンド数を返します。</refpurpose>" 5151 5152#. Tag: funcprototype 5153#: reference_raster.xml:2067 5154#, no-c-format 5155msgid "" 5156"<funcdef>integer <function>ST_NumBands</function></funcdef> " 5157"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5158msgstr "" 5159"<funcdef>integer <function>ST_NumBands</function></funcdef> " 5160"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5161 5162#. Tag: para 5163#: reference_raster.xml:2077 5164#, no-c-format 5165msgid "<para>Returns the number of bands in the raster object.</para>" 5166msgstr "<para>ラスタオブジェクトのバンド数を返します。</para>" 5167 5168#. Tag: programlisting 5169#: reference_raster.xml:2083 5170#, no-c-format 5171msgid "" 5172"SELECT rid, ST_NumBands(rast) As numbands\n" 5173"FROM dummy_rast;\n" 5174"\n" 5175"rid | numbands\n" 5176"----+----------\n" 5177" 1 | 0\n" 5178" 2 | 3" 5179msgstr "" 5180"SELECT rid, ST_NumBands(rast) As numbands\n" 5181"FROM dummy_rast;\n" 5182"\n" 5183"rid | numbands\n" 5184"----+----------\n" 5185" 1 | 0\n" 5186" 2 | 3" 5187 5188#. Tag: refname 5189#: reference_raster.xml:2095 5190#, no-c-format 5191msgid "ST_PixelHeight" 5192msgstr "ST_PixelHeight" 5193 5194#. Tag: refpurpose 5195#: reference_raster.xml:2096 5196#, no-c-format 5197msgid "" 5198"Returns the pixel height in geometric units of the spatial reference system." 5199msgstr "空間参照系の地理的な単位でのピクセルの高さを返します。" 5200 5201#. Tag: funcprototype 5202#: reference_raster.xml:2101 5203#, no-c-format 5204msgid "" 5205"<funcdef>double precision <function>ST_PixelHeight</function></funcdef> " 5206"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5207msgstr "" 5208"<funcdef>double precision <function>ST_PixelHeight</function></funcdef> " 5209"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5210 5211#. Tag: para 5212#: reference_raster.xml:2111 5213#, no-c-format 5214msgid "" 5215"Returns the height of a pixel in geometric units of the spatial reference " 5216"system. In the common case where there is no skew, the pixel height is just " 5217"the scale ratio between geometric coordinates and raster pixels." 5218msgstr "" 5219"空間参照系の地理的な単位でのピクセルの高さを返します。スキューが無い一般的な" 5220"状況では、ピクセル高は地理座標とラスタピクセルのスケール率です。" 5221 5222#. Tag: para 5223#: reference_raster.xml:2113 5224#, no-c-format 5225msgid "" 5226"Refer to <xref linkend=\"RT_ST_PixelWidth\"/> for a diagrammatic " 5227"visualization of the relationship." 5228msgstr "" 5229"関係について図示したものは<xref linkend=\"RT_ST_PixelWidth\"/>を参照して下さ" 5230"い。" 5231 5232#. Tag: title 5233#: reference_raster.xml:2117 reference_raster.xml:2177 5234#, no-c-format 5235msgid "Examples: Rasters with no skew" 5236msgstr "例: スキューの無いラスタ" 5237 5238#. Tag: programlisting 5239#: reference_raster.xml:2119 5240#, no-c-format 5241msgid "" 5242"SELECT ST_Height(rast) As rastheight, ST_PixelHeight(rast) As pixheight,\n" 5243" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) As " 5244"skewx,\n" 5245" ST_SkewY(rast) As skewy\n" 5246"FROM dummy_rast;\n" 5247"\n" 5248" rastheight | pixheight | scalex | scaley | skewx | skewy\n" 5249"------------+-----------+--------+--------+-------+----------\n" 5250" 20 | 3 | 2 | 3 | 0 | 0\n" 5251" 5 | 0.05 | 0.05 | -0.05 | 0 | 0" 5252msgstr "" 5253"SELECT ST_Height(rast) As rastheight, ST_PixelHeight(rast) As pixheight,\n" 5254" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) As " 5255"skewx,\n" 5256" ST_SkewY(rast) As skewy\n" 5257"FROM dummy_rast;\n" 5258"\n" 5259" rastheight | pixheight | scalex | scaley | skewx | skewy\n" 5260"------------+-----------+--------+--------+-------+----------\n" 5261" 20 | 3 | 2 | 3 | 0 | 0\n" 5262" 5 | 0.05 | 0.05 | -0.05 | 0 | 0" 5263 5264#. Tag: title 5265#: reference_raster.xml:2124 reference_raster.xml:2184 5266#, no-c-format 5267msgid "Examples: Rasters with skew different than 0" 5268msgstr "例: スキューが0でないラスタ" 5269 5270#. Tag: programlisting 5271#: reference_raster.xml:2126 5272#, no-c-format 5273msgid "" 5274"SELECT ST_Height(rast) As rastheight, ST_PixelHeight(rast) As pixheight,\n" 5275" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) As " 5276"skewx,\n" 5277" ST_SkewY(rast) As skewy\n" 5278"FROM (SELECT ST_SetSKew(rast,0.5,0.5) As rast\n" 5279" FROM dummy_rast) As skewed;\n" 5280"\n" 5281"rastheight | pixheight | scalex | scaley | skewx | skewy\n" 5282"-----------+-------------------+--------+--------+-------+----------\n" 5283" 20 | 3.04138126514911 | 2 | 3 | 0.5 | 0.5\n" 5284" 5 | 0.502493781056044 | 0.05 | -0.05 | 0.5 | 0.5" 5285msgstr "" 5286"SELECT ST_Height(rast) As rastheight, ST_PixelHeight(rast) As pixheight,\n" 5287" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) As " 5288"skewx,\n" 5289" ST_SkewY(rast) As skewy\n" 5290"FROM (SELECT ST_SetSKew(rast,0.5,0.5) As rast\n" 5291" FROM dummy_rast) As skewed;\n" 5292"\n" 5293"rastheight | pixheight | scalex | scaley | skewx | skewy\n" 5294"-----------+-------------------+--------+--------+-------+----------\n" 5295" 20 | 3.04138126514911 | 2 | 3 | 0.5 | 0.5\n" 5296" 5 | 0.502493781056044 | 0.05 | -0.05 | 0.5 | 0.5" 5297 5298#. Tag: para 5299#: reference_raster.xml:2133 reference_raster.xml:2193 5300#: reference_raster.xml:4289 5301#, no-c-format 5302msgid "" 5303", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 5304"linkend=\"RT_ST_SkewX\"/>, <xref linkend=\"RT_ST_SkewY\"/>" 5305msgstr "" 5306", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 5307"linkend=\"RT_ST_SkewX\"/>, <xref linkend=\"RT_ST_SkewY\"/>" 5308 5309#. Tag: refname 5310#: reference_raster.xml:2145 5311#, no-c-format 5312msgid "ST_PixelWidth" 5313msgstr "ST_PixelWidth" 5314 5315#. Tag: refpurpose 5316#: reference_raster.xml:2146 5317#, no-c-format 5318msgid "" 5319"Returns the pixel width in geometric units of the spatial reference system." 5320msgstr "空間参照系の地理的な単位でのピクセルの幅を返します。" 5321 5322#. Tag: funcprototype 5323#: reference_raster.xml:2151 5324#, no-c-format 5325msgid "" 5326"<funcdef>double precision <function>ST_PixelWidth</function></funcdef> " 5327"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5328msgstr "" 5329"<funcdef>double precision <function>ST_PixelWidth</function></funcdef> " 5330"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5331 5332#. Tag: para 5333#: reference_raster.xml:2161 5334#, no-c-format 5335msgid "" 5336"Returns the width of a pixel in geometric units of the spatial reference " 5337"system. In the common case where there is no skew, the pixel width is just " 5338"the scale ratio between geometric coordinates and raster pixels." 5339msgstr "" 5340"空間参照系の地理的な単位でのピクセルの幅を返します。スキューが無い一般的な状" 5341"況では、ピクセル幅は地理座標とラスタピクセルのスケール率です。" 5342 5343#. Tag: para 5344#: reference_raster.xml:2163 5345#, no-c-format 5346msgid "The following diagram demonstrates the relationship:" 5347msgstr "関係について次の図に示します。" 5348 5349#. Tag: para 5350#: reference_raster.xml:2170 5351#, no-c-format 5352msgid "Pixel Width: Pixel size in the i direction" 5353msgstr "ピクセル幅: i方向のピクセルサイズ" 5354 5355#. Tag: para 5356#: reference_raster.xml:2170 5357#, no-c-format 5358msgid "Pixel Height: Pixel size in the j direction" 5359msgstr "ピクセル高: j方向のピクセルサイズ" 5360 5361#. Tag: programlisting 5362#: reference_raster.xml:2179 5363#, no-c-format 5364msgid "" 5365"SELECT ST_Width(rast) As rastwidth, ST_PixelWidth(rast) As pixwidth,\n" 5366" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) " 5367"As skewx,\n" 5368" ST_SkewY(rast) As skewy\n" 5369" FROM dummy_rast;\n" 5370"\n" 5371" rastwidth | pixwidth | scalex | scaley | skewx | skewy\n" 5372" -----------+----------+--------+--------+-------+----------\n" 5373" 10 | 2 | 2 | 3 | 0 | 0\n" 5374" 5 | 0.05 | 0.05 | -0.05 | 0 | 0" 5375msgstr "" 5376"SELECT ST_Width(rast) As rastwidth, ST_PixelWidth(rast) As pixwidth,\n" 5377" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) " 5378"As skewx,\n" 5379" ST_SkewY(rast) As skewy\n" 5380" FROM dummy_rast;\n" 5381"\n" 5382" rastwidth | pixwidth | scalex | scaley | skewx | skewy\n" 5383" -----------+----------+--------+--------+-------+----------\n" 5384" 10 | 2 | 2 | 3 | 0 | 0\n" 5385" 5 | 0.05 | 0.05 | -0.05 | 0 | 0" 5386 5387#. Tag: programlisting 5388#: reference_raster.xml:2186 5389#, no-c-format 5390msgid "" 5391"SELECT ST_Width(rast) As rastwidth, ST_PixelWidth(rast) As pixwidth,\n" 5392" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) " 5393"As skewx,\n" 5394" ST_SkewY(rast) As skewy\n" 5395" FROM (SELECT ST_SetSkew(rast,0.5,0.5) As rast\n" 5396" FROM dummy_rast) As skewed;\n" 5397"\n" 5398" rastwidth | pixwidth | scalex | scaley | skewx | skewy\n" 5399" -----------+-------------------+--------+--------+-------" 5400"+----------\n" 5401" 10 | 2.06155281280883 | 2 | 3 | 0.5 | 0.5\n" 5402" 5 | 0.502493781056044 | 0.05 | -0.05 | 0.5 | 0.5" 5403msgstr "" 5404"SELECT ST_Width(rast) As rastwidth, ST_PixelWidth(rast) As pixwidth,\n" 5405" ST_ScaleX(rast) As scalex, ST_ScaleY(rast) As scaley, ST_SkewX(rast) " 5406"As skewx,\n" 5407" ST_SkewY(rast) As skewy\n" 5408" FROM (SELECT ST_SetSkew(rast,0.5,0.5) As rast\n" 5409" FROM dummy_rast) As skewed;\n" 5410"\n" 5411" rastwidth | pixwidth | scalex | scaley | skewx | skewy\n" 5412" -----------+-------------------+--------+--------+-------" 5413"+----------\n" 5414" 10 | 2.06155281280883 | 2 | 3 | 0.5 | 0.5\n" 5415" 5 | 0.502493781056044 | 0.05 | -0.05 | 0.5 | 0.5" 5416 5417#. Tag: refname 5418#: reference_raster.xml:2199 5419#, no-c-format 5420msgid "ST_ScaleX" 5421msgstr "ST_ScaleX" 5422 5423#. Tag: refpurpose 5424#: reference_raster.xml:2200 5425#, no-c-format 5426msgid "" 5427"Returns the X component of the pixel width in units of coordinate reference " 5428"system." 5429msgstr "空間参照系の地理的な単位でのピクセル幅のX成分を返します。" 5430 5431#. Tag: funcprototype 5432#: reference_raster.xml:2205 5433#, no-c-format 5434msgid "" 5435"<funcdef>float8 <function>ST_ScaleX</function></funcdef> " 5436"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5437msgstr "" 5438"<funcdef>float8 <function>ST_ScaleX</function></funcdef> " 5439"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5440 5441#. Tag: para 5442#: reference_raster.xml:2215 5443#, no-c-format 5444msgid "" 5445"Returns the X component of the pixel width in units of coordinate reference " 5446"system. Refer to <ulink url=\"http://en.wikipedia.org/wiki/World_file" 5447"\">World File</ulink> for more details." 5448msgstr "" 5449"空間参照系の地理的な単位でのピクセル幅のX成分を返します。詳細については" 5450"<ulink url=\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> (英" 5451"語版WikiPedia)をご覧ください。" 5452 5453#. Tag: para 5454#: reference_raster.xml:2217 5455#, no-c-format 5456msgid "Changed: 2.0.0. In WKTRaster versions this was called ST_PixelSizeX." 5457msgstr "Changed: 2.0.0. WKTRaster版ではST_PixelSizeXと呼ばれていました。" 5458 5459#. Tag: programlisting 5460#: reference_raster.xml:2223 5461#, no-c-format 5462msgid "" 5463"SELECT rid, ST_ScaleX(rast) As rastpixwidth\n" 5464"FROM dummy_rast;\n" 5465"\n" 5466" rid | rastpixwidth\n" 5467"-----+--------------\n" 5468" 1 | 2\n" 5469" 2 | 0.05" 5470msgstr "" 5471"SELECT rid, ST_ScaleX(rast) As rastpixwidth\n" 5472"FROM dummy_rast;\n" 5473"\n" 5474" rid | rastpixwidth\n" 5475"-----+--------------\n" 5476" 1 | 2\n" 5477" 2 | 0.05" 5478 5479#. Tag: refname 5480#: reference_raster.xml:2236 5481#, no-c-format 5482msgid "ST_ScaleY" 5483msgstr "ST_ScaleY" 5484 5485#. Tag: refpurpose 5486#: reference_raster.xml:2237 5487#, no-c-format 5488msgid "" 5489"Returns the Y component of the pixel height in units of coordinate reference " 5490"system." 5491msgstr "空間参照系の地理的な単位でのピクセル幅のY成分を返します。" 5492 5493#. Tag: funcprototype 5494#: reference_raster.xml:2242 5495#, no-c-format 5496msgid "" 5497"<funcdef>float8 <function>ST_ScaleY</function></funcdef> " 5498"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5499msgstr "" 5500"<funcdef>float8 <function>ST_ScaleY</function></funcdef> " 5501"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 5502 5503#. Tag: para 5504#: reference_raster.xml:2252 5505#, no-c-format 5506msgid "" 5507"Returns the Y component of the pixel height in units of coordinate reference " 5508"system. May be negative. Refer to <ulink url=\"http://en.wikipedia.org/wiki/" 5509"World_file\">World File</ulink> for more details." 5510msgstr "" 5511"空間参照系の地理的な単位でのピクセル幅のY成分を返します。詳細については" 5512"<ulink url=\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> (英" 5513"語版WikiPedia)をご覧ください。" 5514 5515#. Tag: para 5516#: reference_raster.xml:2255 5517#, no-c-format 5518msgid "Changed: 2.0.0. In WKTRaster versions this was called ST_PixelSizeY." 5519msgstr "Changed: 2.0.0. WKTRaster版ではST_PixelSizeYと呼ばれていました。" 5520 5521#. Tag: programlisting 5522#: reference_raster.xml:2261 5523#, no-c-format 5524msgid "" 5525"SELECT rid, ST_ScaleY(rast) As rastpixheight\n" 5526"FROM dummy_rast;\n" 5527"\n" 5528" rid | rastpixheight\n" 5529"-----+---------------\n" 5530" 1 | 3\n" 5531" 2 | -0.05" 5532msgstr "" 5533"SELECT rid, ST_ScaleY(rast) As rastpixheight\n" 5534"FROM dummy_rast;\n" 5535"\n" 5536" rid | rastpixheight\n" 5537"-----+---------------\n" 5538" 1 | 3\n" 5539" 2 | -0.05" 5540 5541#. Tag: refname 5542#: reference_raster.xml:2274 5543#, no-c-format 5544msgid "ST_RasterToWorldCoord" 5545msgstr "ST_RasterToWorldCoord" 5546 5547#. Tag: refpurpose 5548#: reference_raster.xml:2275 5549#, no-c-format 5550msgid "" 5551"Returns the raster's upper left corner as geometric X and Y (longitude and " 5552"latitude) given a column and row. Column and row starts at 1." 5553msgstr "" 5554"ラスタの指定した列と行における左上隅の地理座標X値とY値 (経度と緯度)を返しま" 5555"す。列と行の番号は1始まりです。" 5556 5557#. Tag: funcprototype 5558#: reference_raster.xml:2280 5559#, no-c-format 5560msgid "" 5561"<funcdef>record <function>ST_RasterToWorldCoord</function></funcdef> " 5562"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 5563"<paramdef><type>integer </type> <parameter>xcolumn</parameter></paramdef> " 5564"<paramdef><type>integer </type> <parameter>yrow</parameter></paramdef>" 5565msgstr "" 5566"<funcdef>record <function>ST_RasterToWorldCoord</function></funcdef> " 5567"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 5568"<paramdef><type>integer </type> <parameter>xcolumn</parameter></paramdef> " 5569"<paramdef><type>integer </type> <parameter>yrow</parameter></paramdef>" 5570 5571#. Tag: para 5572#: reference_raster.xml:2292 5573#, no-c-format 5574msgid "" 5575"Returns the upper left corner as geometric X and Y (longitude and latitude) " 5576"given a column and row. Returned X and Y are in geometric units of the " 5577"georeferenced raster. Numbering of column and row starts at 1 but if either " 5578"parameter is passed a zero, a negative number or a number greater than the " 5579"respective dimension of the raster, it will return coordinates outside of " 5580"the raster assuming the raster's grid is applicable outside the raster's " 5581"bounds." 5582msgstr "" 5583"ラスタの指定した列と行における左上隅の地理座標X値とY値 (経度と緯度)を返しま" 5584"す。X値とY値の単位は、地理参照されたラスタの地理単位です。列と行の数字は1始ま" 5585"りですが、引数に0、負数またはラスタのピクセル範囲を超える値が渡されている場合" 5586"には、ラスタのグリッドがラスタ範囲外に適用できると仮定して、範囲外の座標を返" 5587"します。" 5588 5589#. Tag: programlisting 5590#: reference_raster.xml:2304 5591#, no-c-format 5592msgid "" 5593"-- non-skewed raster\n" 5594"SELECT\n" 5595" rid,\n" 5596" (ST_RasterToWorldCoord(rast,1, 1)).*,\n" 5597" (ST_RasterToWorldCoord(rast,2, 2)).*\n" 5598"FROM dummy_rast\n" 5599"\n" 5600" rid | longitude | latitude | longitude | latitude\n" 5601"-----+------------+----------+-----------+------------\n" 5602" 1 | 0.5 | 0.5 | 2.5 | 3.5\n" 5603" 2 | 3427927.75 | 5793244 | 3427927.8 | 5793243.95" 5604msgstr "" 5605"-- スキューの無いラスタ\n" 5606"SELECT\n" 5607" rid,\n" 5608" (ST_RasterToWorldCoord(rast,1, 1)).*,\n" 5609" (ST_RasterToWorldCoord(rast,2, 2)).*\n" 5610"FROM dummy_rast\n" 5611"\n" 5612" rid | longitude | latitude | longitude | latitude\n" 5613"-----+------------+----------+-----------+------------\n" 5614" 1 | 0.5 | 0.5 | 2.5 | 3.5\n" 5615" 2 | 3427927.75 | 5793244 | 3427927.8 | 5793243.95" 5616 5617#. Tag: programlisting 5618#: reference_raster.xml:2306 5619#, no-c-format 5620msgid "" 5621"-- skewed raster\n" 5622"SELECT\n" 5623" rid,\n" 5624" (ST_RasterToWorldCoord(rast, 1, 1)).*,\n" 5625" (ST_RasterToWorldCoord(rast, 2, 3)).*\n" 5626"FROM (\n" 5627" SELECT\n" 5628" rid,\n" 5629" ST_SetSkew(rast, 100.5, 0) As rast\n" 5630" FROM dummy_rast\n" 5631") As foo\n" 5632"\n" 5633" rid | longitude | latitude | longitude | latitude\n" 5634"-----+------------+----------+-----------+-----------\n" 5635" 1 | 0.5 | 0.5 | 203.5 | 6.5\n" 5636" 2 | 3427927.75 | 5793244 | 3428128.8 | 5793243.9" 5637msgstr "" 5638"-- スキューの有るラスタ\n" 5639"SELECT\n" 5640" rid,\n" 5641" (ST_RasterToWorldCoord(rast, 1, 1)).*,\n" 5642" (ST_RasterToWorldCoord(rast, 2, 3)).*\n" 5643"FROM (\n" 5644" SELECT\n" 5645" rid,\n" 5646" ST_SetSkew(rast, 100.5, 0) As rast\n" 5647" FROM dummy_rast\n" 5648") As foo\n" 5649"\n" 5650" rid | longitude | latitude | longitude | latitude\n" 5651"-----+------------+----------+-----------+-----------\n" 5652" 1 | 0.5 | 0.5 | 203.5 | 6.5\n" 5653" 2 | 3427927.75 | 5793244 | 3428128.8 | 5793243.9" 5654 5655#. Tag: para 5656#: reference_raster.xml:2313 5657#, no-c-format 5658msgid "" 5659", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=" 5660"\"RT_ST_SetSkew\"/>" 5661msgstr "" 5662", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=" 5663"\"RT_ST_SetSkew\"/>" 5664 5665#. Tag: refname 5666#: reference_raster.xml:2323 5667#, no-c-format 5668msgid "ST_RasterToWorldCoordX" 5669msgstr "ST_RasterToWorldCoordX" 5670 5671#. Tag: refpurpose 5672#: reference_raster.xml:2324 5673#, no-c-format 5674msgid "" 5675"Returns the geometric X coordinate upper left of a raster, column and row. " 5676"Numbering of columns and rows starts at 1." 5677msgstr "" 5678"ラスタの指定した列と行における左上隅の地理座標のX値を返します。列と行の番号は" 5679"1始まりです。" 5680 5681#. Tag: funcsynopsis 5682#: reference_raster.xml:2329 5683#, no-c-format 5684msgid "" 5685"<funcprototype> <funcdef>float8 <function>ST_RasterToWorldCoordX</function></" 5686"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 5687"paramdef> <paramdef><type>integer </type> <parameter>xcolumn</parameter></" 5688"paramdef> </funcprototype> <funcprototype> <funcdef>float8 " 5689"<function>ST_RasterToWorldCoordX</function></funcdef> <paramdef><type>raster " 5690"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 5691"type> <parameter>xcolumn</parameter></paramdef> <paramdef><type>integer </" 5692"type> <parameter>yrow</parameter></paramdef> </funcprototype>" 5693msgstr "" 5694"<funcprototype> <funcdef>float8 <function>ST_RasterToWorldCoordX</function></" 5695"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 5696"paramdef> <paramdef><type>integer </type> <parameter>xcolumn</parameter></" 5697"paramdef> </funcprototype> <funcprototype> <funcdef>float8 " 5698"<function>ST_RasterToWorldCoordX</function></funcdef> <paramdef><type>raster " 5699"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 5700"type> <parameter>xcolumn</parameter></paramdef> <paramdef><type>integer </" 5701"type> <parameter>yrow</parameter></paramdef> </funcprototype>" 5702 5703#. Tag: para 5704#: reference_raster.xml:2347 5705#, no-c-format 5706msgid "" 5707"Returns the upper left X coordinate of a raster column row in geometric " 5708"units of the georeferenced raster. Numbering of columns and rows starts at 1 " 5709"but if you pass in a negative number or number higher than number of columns " 5710"in raster, it will give you coordinates outside of the raster file to left " 5711"or right with the assumption that the skew and pixel sizes are same as " 5712"selected raster." 5713msgstr "" 5714"ラスタの指定した列と行における左上隅の地理座標のX値を地理参照したラスタの地理" 5715"単位で返します。列と行の番号は1始まりです。負数またはラスタの列数を超える値を" 5716"渡した場合には、スキューとピクセルサイズが選択したラスタと同じであるという仮" 5717"定のもとで、ラスタファイルから左または右にはずれた座標値を返します。" 5718 5719#. Tag: para 5720#: reference_raster.xml:2352 5721#, no-c-format 5722msgid "" 5723"For non-skewed rasters, providing the X column is sufficient. For skewed " 5724"rasters, the georeferenced coordinate is a function of the ST_ScaleX and " 5725"ST_SkewX and row and column. An error will be raised if you give just the X " 5726"column for a skewed raster." 5727msgstr "" 5728"スキューの無いラスタでは、X列を与えれば十分です。スキューのあるラスタの場合に" 5729"は、地理参照のとれた座標はST_ScaleXとST_SkewXおよび行と列の関数となります。ス" 5730"キューのあるラスタでX列のみ与えた場合にはエラーが発生します。" 5731 5732#. Tag: para 5733#: reference_raster.xml:2356 5734#, no-c-format 5735msgid "Changed: 2.1.0 In prior versions, this was called ST_Raster2WorldCoordX" 5736msgstr "Changed: 2.1.0 以前の版ではST_Raster2WorldCoordXと呼ばれていました。" 5737 5738#. Tag: programlisting 5739#: reference_raster.xml:2363 5740#, no-c-format 5741msgid "" 5742"-- non-skewed raster providing column is sufficient\n" 5743"SELECT rid, ST_RasterToWorldCoordX(rast,1) As x1coord,\n" 5744" ST_RasterToWorldCoordX(rast,2) As x2coord,\n" 5745" ST_ScaleX(rast) As pixelx\n" 5746"FROM dummy_rast;\n" 5747"\n" 5748" rid | x1coord | x2coord | pixelx\n" 5749"-----+------------+-----------+--------\n" 5750" 1 | 0.5 | 2.5 | 2\n" 5751" 2 | 3427927.75 | 3427927.8 | 0.05" 5752msgstr "" 5753"-- スキューの無いラスタでは列を与えれば十分です\n" 5754"SELECT rid, ST_RasterToWorldCoordX(rast,1) As x1coord,\n" 5755" ST_RasterToWorldCoordX(rast,2) As x2coord,\n" 5756" ST_ScaleX(rast) As pixelx\n" 5757"FROM dummy_rast;\n" 5758"\n" 5759" rid | x1coord | x2coord | pixelx\n" 5760"-----+------------+-----------+--------\n" 5761" 1 | 0.5 | 2.5 | 2\n" 5762" 2 | 3427927.75 | 3427927.8 | 0.05" 5763 5764#. Tag: programlisting 5765#: reference_raster.xml:2365 5766#, no-c-format 5767msgid "" 5768"-- for fun lets skew it\n" 5769"SELECT rid, ST_RasterToWorldCoordX(rast, 1, 1) As x1coord,\n" 5770" ST_RasterToWorldCoordX(rast, 2, 3) As x2coord,\n" 5771" ST_ScaleX(rast) As pixelx\n" 5772"FROM (SELECT rid, ST_SetSkew(rast, 100.5, 0) As rast FROM dummy_rast) As " 5773"foo;\n" 5774"\n" 5775" rid | x1coord | x2coord | pixelx\n" 5776"-----+------------+-----------+--------\n" 5777" 1 | 0.5 | 203.5 | 2\n" 5778" 2 | 3427927.75 | 3428128.8 | 0.05" 5779msgstr "" 5780"-- 面白半分にスキューさせてみましょう\n" 5781"SELECT rid, ST_RasterToWorldCoordX(rast, 1, 1) As x1coord,\n" 5782" ST_RasterToWorldCoordX(rast, 2, 3) As x2coord,\n" 5783" ST_ScaleX(rast) As pixelx\n" 5784"FROM (SELECT rid, ST_SetSkew(rast, 100.5, 0) As rast FROM dummy_rast) As " 5785"foo;\n" 5786"\n" 5787" rid | x1coord | x2coord | pixelx\n" 5788"-----+------------+-----------+--------\n" 5789" 1 | 0.5 | 203.5 | 2\n" 5790" 2 | 3427927.75 | 3428128.8 | 0.05" 5791 5792#. Tag: para 5793#: reference_raster.xml:2372 5794#, no-c-format 5795msgid "" 5796", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=" 5797"\"RT_ST_SetSkew\"/>, <xref linkend=\"RT_ST_SkewX\"/>" 5798msgstr "" 5799", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=" 5800"\"RT_ST_SetSkew\"/>, <xref linkend=\"RT_ST_SkewX\"/>" 5801 5802#. Tag: refname 5803#: reference_raster.xml:2378 5804#, no-c-format 5805msgid "ST_RasterToWorldCoordY" 5806msgstr "ST_RasterToWorldCoordY" 5807 5808#. Tag: refpurpose 5809#: reference_raster.xml:2379 5810#, no-c-format 5811msgid "" 5812"Returns the geometric Y coordinate upper left corner of a raster, column and " 5813"row. Numbering of columns and rows starts at 1." 5814msgstr "" 5815"ラスタの指定した列と行における左上隅の地理座標のY値を返します。列と行の番号は" 5816"1始まりです。" 5817 5818#. Tag: funcsynopsis 5819#: reference_raster.xml:2384 5820#, no-c-format 5821msgid "" 5822"<funcprototype> <funcdef>float8 <function>ST_RasterToWorldCoordY</function></" 5823"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 5824"paramdef> <paramdef><type>integer </type> <parameter>yrow</parameter></" 5825"paramdef> </funcprototype> <funcprototype> <funcdef>float8 " 5826"<function>ST_RasterToWorldCoordY</function></funcdef> <paramdef><type>raster " 5827"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 5828"type> <parameter>xcolumn</parameter></paramdef> <paramdef><type>integer </" 5829"type> <parameter>yrow</parameter></paramdef> </funcprototype>" 5830msgstr "" 5831"<funcprototype> <funcdef>float8 <function>ST_RasterToWorldCoordY</function></" 5832"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 5833"paramdef> <paramdef><type>integer </type> <parameter>yrow</parameter></" 5834"paramdef> </funcprototype> <funcprototype> <funcdef>float8 " 5835"<function>ST_RasterToWorldCoordY</function></funcdef> <paramdef><type>raster " 5836"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 5837"type> <parameter>xcolumn</parameter></paramdef> <paramdef><type>integer </" 5838"type> <parameter>yrow</parameter></paramdef> </funcprototype>" 5839 5840#. Tag: para 5841#: reference_raster.xml:2402 5842#, no-c-format 5843msgid "" 5844"Returns the upper left Y coordinate of a raster column row in geometric " 5845"units of the georeferenced raster. Numbering of columns and rows starts at 1 " 5846"but if you pass in a negative number or number higher than number of columns/" 5847"rows in raster, it will give you coordinates outside of the raster file to " 5848"left or right with the assumption that the skew and pixel sizes are same as " 5849"selected raster tile." 5850msgstr "" 5851"ラスタの指定した列と行における左上隅の地理座標のY値を地理参照したラスタの地理" 5852"単位で返します。列と行の番号は1始まりです。負数またはラスタの列数や行数を超え" 5853"る値を渡した場合には、スキューとピクセルサイズが選択したラスタと同じであると" 5854"いう仮定のもとで、ラスタファイルから左または右にはずれた座標値を返します。" 5855 5856#. Tag: para 5857#: reference_raster.xml:2407 5858#, no-c-format 5859msgid "" 5860"For non-skewed rasters, providing the Y column is sufficient. For skewed " 5861"rasters, the georeferenced coordinate is a function of the ST_ScaleY and " 5862"ST_SkewY and row and column. An error will be raised if you give just the Y " 5863"row for a skewed raster." 5864msgstr "" 5865"スキューの無いラスタでは、Y行を与えれば十分です。スキューのあるラスタの場合に" 5866"は、地理参照のとれた座標はST_ScaleYとST_SkewYおよび行と列の関数となります。ス" 5867"キューのあるラスタでY行のみ与えた場合にはエラーが発生します" 5868 5869#. Tag: para 5870#: reference_raster.xml:2411 5871#, no-c-format 5872msgid "Changed: 2.1.0 In prior versions, this was called ST_Raster2WorldCoordY" 5873msgstr "Changed: 2.1.0 以前の版ではST_Raster2WorldCoordYと呼ばれていました。" 5874 5875#. Tag: programlisting 5876#: reference_raster.xml:2417 5877#, no-c-format 5878msgid "" 5879"-- non-skewed raster providing row is sufficient\n" 5880"SELECT rid, ST_RasterToWorldCoordY(rast,1) As y1coord,\n" 5881" ST_RasterToWorldCoordY(rast,3) As y2coord,\n" 5882" ST_ScaleY(rast) As pixely\n" 5883"FROM dummy_rast;\n" 5884"\n" 5885" rid | y1coord | y2coord | pixely\n" 5886"-----+---------+-----------+--------\n" 5887" 1 | 0.5 | 6.5 | 3\n" 5888" 2 | 5793244 | 5793243.9 | -0.05" 5889msgstr "" 5890"-- スキューの無いラスタでは列を与えれば十分です\n" 5891"SELECT rid, ST_RasterToWorldCoordY(rast,1) As y1coord,\n" 5892" ST_RasterToWorldCoordY(rast,3) As y2coord,\n" 5893" ST_ScaleY(rast) As pixely\n" 5894"FROM dummy_rast;\n" 5895"\n" 5896" rid | y1coord | y2coord | pixely\n" 5897"-----+---------+-----------+--------\n" 5898" 1 | 0.5 | 6.5 | 3\n" 5899" 2 | 5793244 | 5793243.9 | -0.05" 5900 5901#. Tag: programlisting 5902#: reference_raster.xml:2419 5903#, no-c-format 5904msgid "" 5905"-- for fun lets skew it\n" 5906"SELECT rid, ST_RasterToWorldCoordY(rast,1,1) As y1coord,\n" 5907" ST_RasterToWorldCoordY(rast,2,3) As y2coord,\n" 5908" ST_ScaleY(rast) As pixely\n" 5909"FROM (SELECT rid, ST_SetSkew(rast,0,100.5) As rast FROM dummy_rast) As foo;\n" 5910"\n" 5911" rid | y1coord | y2coord | pixely\n" 5912"-----+---------+-----------+--------\n" 5913" 1 | 0.5 | 107 | 3\n" 5914" 2 | 5793244 | 5793344.4 | -0.05" 5915msgstr "" 5916"-- 面白半分に回転させてみましょう\n" 5917"SELECT rid, ST_RasterToWorldCoordY(rast,1,1) As y1coord,\n" 5918" ST_RasterToWorldCoordY(rast,2,3) As y2coord,\n" 5919" ST_ScaleY(rast) As pixely\n" 5920"FROM (SELECT rid, ST_SetSkew(rast,0,100.5) As rast FROM dummy_rast) As foo;\n" 5921"\n" 5922" rid | y1coord | y2coord | pixely\n" 5923"-----+---------+-----------+--------\n" 5924" 1 | 0.5 | 107 | 3\n" 5925" 2 | 5793244 | 5793344.4 | -0.05" 5926 5927#. Tag: para 5928#: reference_raster.xml:2426 5929#, no-c-format 5930msgid "" 5931", <xref linkend=\"RT_ST_RasterToWorldCoordX\"/>, <xref linkend=" 5932"\"RT_ST_SetSkew\"/>, <xref linkend=\"RT_ST_SkewY\"/>" 5933msgstr "" 5934", <xref linkend=\"RT_ST_RasterToWorldCoordX\"/>, <xref linkend=" 5935"\"RT_ST_SetSkew\"/>, <xref linkend=\"RT_ST_SkewY\"/>" 5936 5937#. Tag: refname 5938#: reference_raster.xml:2432 5939#, no-c-format 5940msgid "ST_Rotation" 5941msgstr "ST_Rotation" 5942 5943#. Tag: refpurpose 5944#: reference_raster.xml:2433 5945#, no-c-format 5946msgid "Returns the rotation of the raster in radian." 5947msgstr "ラスタの回転をラジアンで返します。" 5948 5949#. Tag: funcprototype 5950#: reference_raster.xml:2438 5951#, no-c-format 5952msgid "" 5953"<funcdef>float8 <function>ST_Rotation</function></funcdef> " 5954"<paramdef><type>raster</type> <parameter>rast</parameter></paramdef>" 5955msgstr "" 5956"<funcdef>float8 <function>ST_Rotation</function></funcdef> " 5957"<paramdef><type>raster</type> <parameter>rast</parameter></paramdef>" 5958 5959#. Tag: para 5960#: reference_raster.xml:2448 5961#, no-c-format 5962msgid "" 5963"Returns the uniform rotation of the raster in radian. If a raster does not " 5964"have uniform rotation, NaN is returned. Refer to <ulink url=\"http://en." 5965"wikipedia.org/wiki/World_file\">World File</ulink> for more details." 5966msgstr "" 5967"ラスタの回転をラジアンで返します。ラスタが回転を持っていない場合には、NaNが返" 5968"されます。詳細については<ulink url=\"http://en.wikipedia.org/wiki/World_file" 5969"\">World File</ulink> (英語版WikiPedia)を参照して下さい。" 5970 5971#. Tag: programlisting 5972#: reference_raster.xml:2455 5973#, no-c-format 5974msgid "" 5975"SELECT rid, ST_Rotation(ST_SetScale(ST_SetSkew(rast, sqrt(2)), sqrt(2))) as " 5976"rot FROM dummy_rast;\n" 5977"\n" 5978" rid | rot\n" 5979"-----+-------------------\n" 5980" 1 | 0.785398163397448\n" 5981" 2 | 0.785398163397448" 5982msgstr "" 5983"SELECT rid, ST_Rotation(ST_SetScale(ST_SetSkew(rast, sqrt(2)), sqrt(2))) as " 5984"rot FROM dummy_rast;\n" 5985"\n" 5986" rid | rot\n" 5987"-----+-------------------\n" 5988" 1 | 0.785398163397448\n" 5989" 2 | 0.785398163397448" 5990 5991#. Tag: para 5992#: reference_raster.xml:2461 5993#, no-c-format 5994msgid ", <xref linkend=\"RT_ST_SetScale\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 5995msgstr "" 5996", <xref linkend=\"RT_ST_SetScale\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 5997 5998#. Tag: refname 5999#: reference_raster.xml:2467 6000#, no-c-format 6001msgid "ST_SkewX" 6002msgstr "ST_SkewX" 6003 6004#. Tag: refpurpose 6005#: reference_raster.xml:2468 6006#, no-c-format 6007msgid "Returns the georeference X skew (or rotation parameter)." 6008msgstr "空間参照のXスキュー (回転パラメータ)を返します。" 6009 6010#. Tag: funcprototype 6011#: reference_raster.xml:2473 6012#, no-c-format 6013msgid "" 6014"<funcdef>float8 <function>ST_SkewX</function></funcdef> " 6015"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6016msgstr "" 6017"<funcdef>float8 <function>ST_SkewX</function></funcdef> " 6018"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6019 6020#. Tag: para 6021#: reference_raster.xml:2483 6022#, no-c-format 6023msgid "" 6024"Returns the georeference X skew (or rotation parameter). Refer to <ulink url=" 6025"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> for more " 6026"details." 6027msgstr "" 6028"空間参照のXスキュー (回転パラメータ)を返します。詳細については<ulink url=" 6029"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> (英語版" 6030"WikiPedia)を参照して下さい。" 6031 6032#. Tag: programlisting 6033#: reference_raster.xml:2490 reference_raster.xml:2526 6034#, no-c-format 6035msgid "" 6036"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 6037" ST_GeoReference(rast) as georef\n" 6038"FROM dummy_rast;\n" 6039"\n" 6040" rid | skewx | skewy | georef\n" 6041"-----+-------+-------+--------------------\n" 6042" 1 | 0 | 0 | 2.0000000000\n" 6043" : 0.0000000000\n" 6044" : 0.0000000000\n" 6045" : 3.0000000000\n" 6046" : 0.5000000000\n" 6047" : 0.5000000000\n" 6048" :\n" 6049" 2 | 0 | 0 | 0.0500000000\n" 6050" : 0.0000000000\n" 6051" : 0.0000000000\n" 6052" : -0.0500000000\n" 6053" : 3427927.7500000000\n" 6054" : 5793244.0000000000" 6055msgstr "" 6056"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 6057" ST_GeoReference(rast) as georef\n" 6058"FROM dummy_rast;\n" 6059"\n" 6060" rid | skewx | skewy | georef\n" 6061"-----+-------+-------+--------------------\n" 6062" 1 | 0 | 0 | 2.0000000000\n" 6063" : 0.0000000000\n" 6064" : 0.0000000000\n" 6065" : 3.0000000000\n" 6066" : 0.5000000000\n" 6067" : 0.5000000000\n" 6068" :\n" 6069" 2 | 0 | 0 | 0.0500000000\n" 6070" : 0.0000000000\n" 6071" : 0.0000000000\n" 6072" : -0.0500000000\n" 6073" : 3427927.7500000000\n" 6074" : 5793244.0000000000" 6075 6076#. Tag: para 6077#: reference_raster.xml:2497 6078#, no-c-format 6079msgid ", <xref linkend=\"RT_ST_SkewY\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 6080msgstr ", <xref linkend=\"RT_ST_SkewY\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 6081 6082#. Tag: refname 6083#: reference_raster.xml:2503 6084#, no-c-format 6085msgid "ST_SkewY" 6086msgstr "ST_SkewY" 6087 6088#. Tag: refpurpose 6089#: reference_raster.xml:2504 6090#, no-c-format 6091msgid "Returns the georeference Y skew (or rotation parameter)." 6092msgstr "空間参照のYスキュー (回転パラメータ)を返します。" 6093 6094#. Tag: funcprototype 6095#: reference_raster.xml:2509 6096#, no-c-format 6097msgid "" 6098"<funcdef>float8 <function>ST_SkewY</function></funcdef> " 6099"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6100msgstr "" 6101"<funcdef>float8 <function>ST_SkewY</function></funcdef> " 6102"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6103 6104#. Tag: para 6105#: reference_raster.xml:2519 6106#, no-c-format 6107msgid "" 6108"Returns the georeference Y skew (or rotation parameter). Refer to <ulink url=" 6109"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> for more " 6110"details." 6111msgstr "" 6112"空間参照のYスキュー (回転パラメータ)を返します。詳細については<ulink url=" 6113"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> (英語版" 6114"WikiPedia)を参照して下さい。" 6115 6116#. Tag: para 6117#: reference_raster.xml:2533 6118#, no-c-format 6119msgid ", <xref linkend=\"RT_ST_SkewX\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 6120msgstr ", <xref linkend=\"RT_ST_SkewX\"/>, <xref linkend=\"RT_ST_SetSkew\"/>" 6121 6122#. Tag: refname 6123#: reference_raster.xml:2539 6124#, no-c-format 6125msgid "ST_SRID" 6126msgstr "ST_SRID" 6127 6128#. Tag: refpurpose 6129#: reference_raster.xml:2540 6130#, no-c-format 6131msgid "" 6132"Returns the spatial reference identifier of the raster as defined in " 6133"spatial_ref_sys table." 6134msgstr "" 6135"ラスタのspatial_ref_sysテーブルで定義されている空間参照系識別番号を返します。" 6136 6137#. Tag: funcprototype 6138#: reference_raster.xml:2545 6139#, no-c-format 6140msgid "" 6141"<funcdef>integer <function>ST_SRID</function></funcdef> " 6142"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6143msgstr "" 6144"<funcdef>integer <function>ST_SRID</function></funcdef> " 6145"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6146 6147#. Tag: para 6148#: reference_raster.xml:2555 6149#, no-c-format 6150msgid "" 6151"Returns the spatial reference identifier of the raster object as defined in " 6152"the spatial_ref_sys table." 6153msgstr "" 6154"ラスタのspatial_ref_sysテーブルで定義されている空間参照系識別番号を返します。" 6155 6156#. Tag: para 6157#: reference_raster.xml:2556 6158#, no-c-format 6159msgid "" 6160"From PostGIS 2.0+ the srid of a non-georeferenced raster/geometry is 0 " 6161"instead of the prior -1." 6162msgstr "" 6163"空間参照を持たないラスタ/ジオメトリのSRIDは、以前は-1でしたがPostGIS 2.0以上" 6164"では0になります。" 6165 6166#. Tag: programlisting 6167#: reference_raster.xml:2562 6168#, no-c-format 6169msgid "" 6170"SELECT ST_SRID(rast) As srid\n" 6171"FROM dummy_rast WHERE rid=1;\n" 6172"\n" 6173"srid\n" 6174"----------------\n" 6175"0" 6176msgstr "" 6177"SELECT ST_SRID(rast) As srid\n" 6178"FROM dummy_rast WHERE rid=1;\n" 6179"\n" 6180"srid\n" 6181"----------------\n" 6182"0" 6183 6184#. Tag: para 6185#: reference_raster.xml:2568 6186#, no-c-format 6187msgid ", <xref linkend=\"ST_SRID\"/>" 6188msgstr ", <xref linkend=\"ST_SRID\"/>" 6189 6190#. Tag: refname 6191#: reference_raster.xml:2574 6192#, no-c-format 6193msgid "ST_Summary" 6194msgstr "ST_Summary" 6195 6196#. Tag: refpurpose 6197#: reference_raster.xml:2575 6198#, no-c-format 6199msgid "" 6200"<refpurpose>Returns a text summary of the contents of the raster.</" 6201"refpurpose>" 6202msgstr "<refpurpose>ラスタの中身の概要が文字列で返されます。</refpurpose>" 6203 6204#. Tag: funcprototype 6205#: reference_raster.xml:2580 6206#, no-c-format 6207msgid "" 6208"<funcdef>text <function>ST_Summary</function></funcdef> " 6209"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6210msgstr "" 6211"<funcdef>text <function>ST_Summary</function></funcdef> " 6212"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6213 6214#. Tag: para 6215#: reference_raster.xml:2590 6216#, no-c-format 6217msgid "<para>Returns a text summary of the contents of the raster.</para>" 6218msgstr "<para>ラスタの中身の概要が文字列で返されます。</para>" 6219 6220#. Tag: programlisting 6221#: reference_raster.xml:2597 6222#, no-c-format 6223msgid "" 6224"SELECT ST_Summary(\n" 6225" ST_AddBand(\n" 6226" ST_AddBand(\n" 6227" ST_AddBand(\n" 6228" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, " 6229"0, 0)\n" 6230" , 1, '8BUI', 1, 0\n" 6231" )\n" 6232" , 2, '32BF', 0, -9999\n" 6233" )\n" 6234" , 3, '16BSI', 0, NULL\n" 6235" )\n" 6236");\n" 6237"\n" 6238" st_summary\n" 6239"------------------------------------------------------------------\n" 6240" Raster of 10x10 pixels has 3 bands and extent of BOX(0 -10,10 0)+\n" 6241" band 1 of pixtype 8BUI is in-db with NODATA value of 0 +\n" 6242" band 2 of pixtype 32BF is in-db with NODATA value of -9999 +\n" 6243" band 3 of pixtype 16BSI is in-db with no NODATA value\n" 6244"(1 row)" 6245msgstr "" 6246"SELECT ST_Summary(\n" 6247" ST_AddBand(\n" 6248" ST_AddBand(\n" 6249" ST_AddBand(\n" 6250" ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, " 6251"0, 0)\n" 6252" , 1, '8BUI', 1, 0\n" 6253" )\n" 6254" , 2, '32BF', 0, -9999\n" 6255" )\n" 6256" , 3, '16BSI', 0, NULL\n" 6257" )\n" 6258");\n" 6259"\n" 6260" st_summary\n" 6261"------------------------------------------------------------------\n" 6262" Raster of 10x10 pixels has 3 bands and extent of BOX(0 -10,10 0)+\n" 6263" band 1 of pixtype 8BUI is in-db with NODATA value of 0 +\n" 6264" band 2 of pixtype 32BF is in-db with NODATA value of -9999 +\n" 6265" band 3 of pixtype 16BSI is in-db with no NODATA value\n" 6266"(1 row)" 6267 6268#. Tag: para 6269#: reference_raster.xml:2602 6270#, no-c-format 6271msgid "" 6272", <xref linkend=\"RT_ST_BandMetaData\"/>, <xref linkend=\"ST_Summary\"/> " 6273"<xref linkend=\"ST_Extent\"/>" 6274msgstr "" 6275", <xref linkend=\"RT_ST_BandMetaData\"/>, <xref linkend=\"ST_Summary\"/> " 6276"<xref linkend=\"ST_Extent\"/>" 6277 6278#. Tag: refname 6279#: reference_raster.xml:2613 6280#, no-c-format 6281msgid "ST_UpperLeftX" 6282msgstr "ST_UpperLeftX" 6283 6284#. Tag: refpurpose 6285#: reference_raster.xml:2614 6286#, no-c-format 6287msgid "" 6288"<refpurpose>Returns the upper left X coordinate of raster in projected " 6289"spatial ref.</refpurpose>" 6290msgstr "" 6291"<refpurpose>適用されている空間参照系でのラスタの左上隅のX座標値を返します。</" 6292"refpurpose>" 6293 6294#. Tag: funcprototype 6295#: reference_raster.xml:2619 6296#, no-c-format 6297msgid "" 6298"<funcdef>float8 <function>ST_UpperLeftX</function></funcdef> " 6299"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6300msgstr "" 6301"<funcdef>float8 <function>ST_UpperLeftX</function></funcdef> " 6302"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6303 6304#. Tag: para 6305#: reference_raster.xml:2629 6306#, no-c-format 6307msgid "" 6308"<para>Returns the upper left X coordinate of raster in projected spatial ref." 6309"</para>" 6310msgstr "" 6311"<para>適用されている空間参照系でのラスタの左上隅のX座標値を返します。</para>" 6312 6313#. Tag: programlisting 6314#: reference_raster.xml:2635 6315#, no-c-format 6316msgid "" 6317"SELECt rid, ST_UpperLeftX(rast) As ulx\n" 6318"FROM dummy_rast;\n" 6319"\n" 6320" rid | ulx\n" 6321"-----+------------\n" 6322" 1 | 0.5\n" 6323" 2 | 3427927.75" 6324msgstr "" 6325"SELECt rid, ST_UpperLeftX(rast) As ulx\n" 6326"FROM dummy_rast;\n" 6327"\n" 6328" rid | ulx\n" 6329"-----+------------\n" 6330" 1 | 0.5\n" 6331" 2 | 3427927.75" 6332 6333#. Tag: para 6334#: reference_raster.xml:2641 reference_raster.xml:2675 6335#, no-c-format 6336msgid ", <xref linkend=\"RT_ST_GeoReference\"/>, <xref linkend=\"RT_Box3D\"/>" 6337msgstr ", <xref linkend=\"RT_ST_GeoReference\"/>, <xref linkend=\"RT_Box3D\"/>" 6338 6339#. Tag: refname 6340#: reference_raster.xml:2647 6341#, no-c-format 6342msgid "ST_UpperLeftY" 6343msgstr "ST_UpperLeftY" 6344 6345#. Tag: refpurpose 6346#: reference_raster.xml:2648 6347#, no-c-format 6348msgid "" 6349"<refpurpose>Returns the upper left Y coordinate of raster in projected " 6350"spatial ref.</refpurpose>" 6351msgstr "" 6352"<refpurpose>適用されている空間参照系でのラスタの左上隅のY座標値を返します。</" 6353"refpurpose>" 6354 6355#. Tag: funcprototype 6356#: reference_raster.xml:2653 6357#, no-c-format 6358msgid "" 6359"<funcdef>float8 <function>ST_UpperLeftY</function></funcdef> " 6360"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6361msgstr "" 6362"<funcdef>float8 <function>ST_UpperLeftY</function></funcdef> " 6363"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6364 6365#. Tag: para 6366#: reference_raster.xml:2663 6367#, no-c-format 6368msgid "" 6369"<para>Returns the upper left Y coordinate of raster in projected spatial ref." 6370"</para>" 6371msgstr "" 6372"<para>適用されている空間参照系でのラスタの左上隅のY座標値を返します。</para>" 6373 6374#. Tag: programlisting 6375#: reference_raster.xml:2669 6376#, no-c-format 6377msgid "" 6378"SELECT rid, ST_UpperLeftY(rast) As uly\n" 6379"FROM dummy_rast;\n" 6380"\n" 6381" rid | uly\n" 6382"-----+---------\n" 6383" 1 | 0.5\n" 6384" 2 | 5793244" 6385msgstr "" 6386"SELECT rid, ST_UpperLeftY(rast) As uly\n" 6387"FROM dummy_rast;\n" 6388"\n" 6389" rid | uly\n" 6390"-----+---------\n" 6391" 1 | 0.5\n" 6392" 2 | 5793244" 6393 6394#. Tag: refname 6395#: reference_raster.xml:2681 6396#, no-c-format 6397msgid "ST_Width" 6398msgstr "ST_Width" 6399 6400#. Tag: refpurpose 6401#: reference_raster.xml:2682 6402#, no-c-format 6403msgid "<refpurpose>Returns the width of the raster in pixels.</refpurpose>" 6404msgstr "<refpurpose>ラスタの幅をピクセル単位で返します。</refpurpose>" 6405 6406#. Tag: funcprototype 6407#: reference_raster.xml:2687 6408#, no-c-format 6409msgid "" 6410"<funcdef>integer <function>ST_Width</function></funcdef> " 6411"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6412msgstr "" 6413"<funcdef>integer <function>ST_Width</function></funcdef> " 6414"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 6415 6416#. Tag: para 6417#: reference_raster.xml:2697 6418#, no-c-format 6419msgid "<para>Returns the width of the raster in pixels.</para>" 6420msgstr "<para>ラスタの幅をピクセル単位で返します。</para>" 6421 6422#. Tag: programlisting 6423#: reference_raster.xml:2703 6424#, no-c-format 6425msgid "" 6426"SELECT ST_Width(rast) As rastwidth\n" 6427"FROM dummy_rast WHERE rid=1;\n" 6428"\n" 6429"rastwidth\n" 6430"----------------\n" 6431"10" 6432msgstr "" 6433"SELECT ST_Width(rast) As rastwidth\n" 6434"FROM dummy_rast WHERE rid=1;\n" 6435"\n" 6436"rastwidth\n" 6437"----------------\n" 6438"10" 6439 6440#. Tag: refname 6441#: reference_raster.xml:2717 6442#, no-c-format 6443msgid "ST_WorldToRasterCoord" 6444msgstr "ST_WorldToRasterCoord" 6445 6446#. Tag: refpurpose 6447#: reference_raster.xml:2718 6448#, no-c-format 6449msgid "" 6450"Returns the upper left corner as column and row given geometric X and Y " 6451"(longitude and latitude) or a point geometry expressed in the spatial " 6452"reference coordinate system of the raster." 6453msgstr "" 6454"ラスタの空間参照系による地理座標のX値とY値 (経度と緯度)またはポイントジオメト" 6455"リに対応するピクセルの左上隅を返します。" 6456 6457#. Tag: funcsynopsis 6458#: reference_raster.xml:2722 6459#, no-c-format 6460msgid "" 6461"<funcprototype> <funcdef>record <function>ST_WorldToRasterCoord</function></" 6462"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 6463"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 6464"paramdef> </funcprototype> <funcprototype> <funcdef>record " 6465"<function>ST_WorldToRasterCoord</function></funcdef> <paramdef><type>raster " 6466"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6467"precision </type> <parameter>longitude</parameter></paramdef> " 6468"<paramdef><type>double precision </type> <parameter>latitude</parameter></" 6469"paramdef> </funcprototype>" 6470msgstr "" 6471"<funcprototype> <funcdef>record <function>ST_WorldToRasterCoord</function></" 6472"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 6473"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 6474"paramdef> </funcprototype> <funcprototype> <funcdef>record " 6475"<function>ST_WorldToRasterCoord</function></funcdef> <paramdef><type>raster " 6476"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6477"precision </type> <parameter>longitude</parameter></paramdef> " 6478"<paramdef><type>double precision </type> <parameter>latitude</parameter></" 6479"paramdef> </funcprototype>" 6480 6481#. Tag: para 6482#: reference_raster.xml:2741 6483#, no-c-format 6484msgid "" 6485"Returns the upper left corner as column and row given geometric X and Y " 6486"(longitude and latitude) or a point geometry. This function works regardless " 6487"of whether or not the geometric X and Y or point geometry is outside the " 6488"extent of the raster. Geometric X and Y must be expressed in the spatial " 6489"reference coordinate system of the raster." 6490msgstr "" 6491"地理座標のX値とY値 (経度と緯度)またはポイントジオメトリに対応するピクセルの左" 6492"上隅を返します。X値、Y値やポイントジオメトリがラスタの範囲外であるかないかに" 6493"かかわらず動作します。地理座標のX値とY値はラスタの空間参照系で表現しなければ" 6494"なりません。" 6495 6496#. Tag: programlisting 6497#: reference_raster.xml:2754 6498#, no-c-format 6499msgid "" 6500"SELECT\n" 6501" rid,\n" 6502" (ST_WorldToRasterCoord(rast,3427927.8,20.5)).*,\n" 6503" (ST_WorldToRasterCoord(rast,ST_GeomFromText('POINT(3427927.8 20.5)'," 6504"ST_SRID(rast)))).*\n" 6505"FROM dummy_rast;\n" 6506"\n" 6507" rid | columnx | rowy | columnx | rowy\n" 6508"-----+---------+-----------+---------+-----------\n" 6509" 1 | 1713964 | 7 | 1713964 | 7\n" 6510" 2 | 2 | 115864471 | 2 | 115864471" 6511msgstr "" 6512"SELECT\n" 6513" rid,\n" 6514" (ST_WorldToRasterCoord(rast,3427927.8,20.5)).*,\n" 6515" (ST_WorldToRasterCoord(rast,ST_GeomFromText('POINT(3427927.8 20.5)'," 6516"ST_SRID(rast)))).*\n" 6517"FROM dummy_rast;\n" 6518"\n" 6519" rid | columnx | rowy | columnx | rowy\n" 6520"-----+---------+-----------+---------+-----------\n" 6521" 1 | 1713964 | 7 | 1713964 | 7\n" 6522" 2 | 2 | 115864471 | 2 | 115864471" 6523 6524#. Tag: para 6525#: reference_raster.xml:2760 6526#, no-c-format 6527msgid "" 6528", <xref linkend=\"RT_ST_WorldToRasterCoordY\"/>, <xref linkend=" 6529"\"RT_ST_RasterToWorldCoordX\"/>, <xref linkend=\"RT_ST_RasterToWorldCoordY\"/" 6530">, <xref linkend=\"RT_ST_SRID\"/>" 6531msgstr "" 6532", <xref linkend=\"RT_ST_WorldToRasterCoordY\"/>, <xref linkend=" 6533"\"RT_ST_RasterToWorldCoordX\"/>, <xref linkend=\"RT_ST_RasterToWorldCoordY\"/" 6534">, <xref linkend=\"RT_ST_SRID\"/>" 6535 6536#. Tag: refname 6537#: reference_raster.xml:2772 6538#, no-c-format 6539msgid "ST_WorldToRasterCoordX" 6540msgstr "ST_WorldToRasterCoordX" 6541 6542#. Tag: refpurpose 6543#: reference_raster.xml:2773 6544#, no-c-format 6545msgid "" 6546"Returns the column in the raster of the point geometry (pt) or a X and Y " 6547"world coordinate (xw, yw) represented in world spatial reference system of " 6548"raster." 6549msgstr "" 6550"ラスタの空間参照系に基づくポイントジオメトリ (pt)またはX,Y座標値 (xw,yw)に対" 6551"応するラスタの列を返します。" 6552 6553#. Tag: funcsynopsis 6554#: reference_raster.xml:2778 6555#, no-c-format 6556msgid "" 6557"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordX</" 6558"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6559"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 6560"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>integer " 6561"<function>ST_WorldToRasterCoordX</function></funcdef> <paramdef><type>raster " 6562"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6563"precision </type> <parameter>xw</parameter></paramdef> </funcprototype> " 6564"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordX</" 6565"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6566"parameter></paramdef> <paramdef><type>double precision </type> " 6567"<parameter>xw</parameter></paramdef> <paramdef><type>double precision </" 6568"type> <parameter>yw</parameter></paramdef> </funcprototype>" 6569msgstr "" 6570"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordX</" 6571"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6572"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 6573"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>integer " 6574"<function>ST_WorldToRasterCoordX</function></funcdef> <paramdef><type>raster " 6575"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6576"precision </type> <parameter>xw</parameter></paramdef> </funcprototype> " 6577"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordX</" 6578"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6579"parameter></paramdef> <paramdef><type>double precision </type> " 6580"<parameter>xw</parameter></paramdef> <paramdef><type>double precision </" 6581"type> <parameter>yw</parameter></paramdef> </funcprototype>" 6582 6583#. Tag: para 6584#: reference_raster.xml:2803 6585#, no-c-format 6586msgid "" 6587"Returns the column in the raster of the point geometry (pt) or a X and Y " 6588"world coordinate (xw, yw). A point, or (both xw and yw world coordinates are " 6589"required if a raster is skewed). If a raster is not skewed then xw is " 6590"sufficient. World coordinates are in the spatial reference coordinate system " 6591"of the raster." 6592msgstr "" 6593"ラスタの空間参照系に基づくポイントジオメトリ (pt)またはX,Y座標値 (xw,yw)に対" 6594"応するラスタの列を返します。ラスタがスキューされている場合には、ポイントかxw" 6595"とywの両方かが必要です。ラスタがスキューされていない場合には、xwを指定すれば" 6596"十分です。ワールド座標系はラスタの空間参照系です。" 6597 6598#. Tag: para 6599#: reference_raster.xml:2805 6600#, no-c-format 6601msgid "Changed: 2.1.0 In prior versions, this was called ST_World2RasterCoordX" 6602msgstr "Changed: 2.1.0 以前の版ではST_World2RasterCoordXと呼ばれていました。" 6603 6604#. Tag: programlisting 6605#: reference_raster.xml:2811 6606#, no-c-format 6607msgid "" 6608"SELECT rid, ST_WorldToRasterCoordX(rast,3427927.8) As xcoord,\n" 6609" ST_WorldToRasterCoordX(rast,3427927.8,20.5) As xcoord_xwyw,\n" 6610" ST_WorldToRasterCoordX(rast,ST_GeomFromText('POINT(3427927.8 " 6611"20.5)',ST_SRID(rast))) As ptxcoord\n" 6612"FROM dummy_rast;\n" 6613"\n" 6614" rid | xcoord | xcoord_xwyw | ptxcoord\n" 6615"-----+---------+---------+----------\n" 6616" 1 | 1713964 | 1713964 | 1713964\n" 6617" 2 | 1 | 1 | 1" 6618msgstr "" 6619"SELECT rid, ST_WorldToRasterCoordX(rast,3427927.8) As xcoord,\n" 6620" ST_WorldToRasterCoordX(rast,3427927.8,20.5) As xcoord_xwyw,\n" 6621" ST_WorldToRasterCoordX(rast,ST_GeomFromText('POINT(3427927.8 " 6622"20.5)',ST_SRID(rast))) As ptxcoord\n" 6623"FROM dummy_rast;\n" 6624"\n" 6625" rid | xcoord | xcoord_xwyw | ptxcoord\n" 6626"-----+---------+---------+----------\n" 6627" 1 | 1713964 | 1713964 | 1713964\n" 6628" 2 | 1 | 1 | 1" 6629 6630#. Tag: para 6631#: reference_raster.xml:2817 reference_raster.xml:2872 6632#, no-c-format 6633msgid "" 6634", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=\"RT_ST_SRID" 6635"\"/>" 6636msgstr "" 6637", <xref linkend=\"RT_ST_RasterToWorldCoordY\"/>, <xref linkend=\"RT_ST_SRID" 6638"\"/>" 6639 6640#. Tag: refname 6641#: reference_raster.xml:2827 6642#, no-c-format 6643msgid "ST_WorldToRasterCoordY" 6644msgstr "ST_WorldToRasterCoordY" 6645 6646#. Tag: refpurpose 6647#: reference_raster.xml:2828 6648#, no-c-format 6649msgid "" 6650"Returns the row in the raster of the point geometry (pt) or a X and Y world " 6651"coordinate (xw, yw) represented in world spatial reference system of raster." 6652msgstr "" 6653"ラスタの空間参照系に基づくポイントジオメトリ (pt)またはX,Y座標値 (xw,yw)に対" 6654"応するラスタの行を返します。" 6655 6656#. Tag: funcsynopsis 6657#: reference_raster.xml:2833 6658#, no-c-format 6659msgid "" 6660"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordY</" 6661"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6662"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 6663"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>integer " 6664"<function>ST_WorldToRasterCoordY</function></funcdef> <paramdef><type>raster " 6665"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6666"precision </type> <parameter>xw</parameter></paramdef> </funcprototype> " 6667"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordY</" 6668"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6669"parameter></paramdef> <paramdef><type>double precision </type> " 6670"<parameter>xw</parameter></paramdef> <paramdef><type>double precision </" 6671"type> <parameter>yw</parameter></paramdef> </funcprototype>" 6672msgstr "" 6673"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordY</" 6674"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6675"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 6676"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>integer " 6677"<function>ST_WorldToRasterCoordY</function></funcdef> <paramdef><type>raster " 6678"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 6679"precision </type> <parameter>xw</parameter></paramdef> </funcprototype> " 6680"<funcprototype> <funcdef>integer <function>ST_WorldToRasterCoordY</" 6681"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 6682"parameter></paramdef> <paramdef><type>double precision </type> " 6683"<parameter>xw</parameter></paramdef> <paramdef><type>double precision </" 6684"type> <parameter>yw</parameter></paramdef> </funcprototype>" 6685 6686#. Tag: para 6687#: reference_raster.xml:2858 6688#, no-c-format 6689msgid "" 6690"Returns the row in the raster of the point geometry (pt) or a X and Y world " 6691"coordinate (xw, yw). A point, or (both xw and yw world coordinates are " 6692"required if a raster is skewed). If a raster is not skewed then xw is " 6693"sufficient. World coordinates are in the spatial reference coordinate system " 6694"of the raster." 6695msgstr "" 6696"ラスタの空間参照系に基づくポイントジオメトリ (pt)またはX,Y座標値 (xw,yw)に対" 6697"応するラスタの行を返します。ラスタがスキューされている場合には、ポイントかxw" 6698"とywの両方かが必要です。ラスタがスキューされていない場合には、ywを指定すれば" 6699"十分です。ワールド座標系はラスタの空間参照系です。" 6700 6701#. Tag: para 6702#: reference_raster.xml:2860 6703#, no-c-format 6704msgid "Changed: 2.1.0 In prior versions, this was called ST_World2RasterCoordY" 6705msgstr "Changed: 2.1.0 以前の版ではST_World2RasterCoordYと呼ばれていました。" 6706 6707#. Tag: programlisting 6708#: reference_raster.xml:2866 6709#, no-c-format 6710msgid "" 6711"SELECT rid, ST_WorldToRasterCoordY(rast,20.5) As ycoord,\n" 6712" ST_WorldToRasterCoordY(rast,3427927.8,20.5) As ycoord_xwyw,\n" 6713" ST_WorldToRasterCoordY(rast,ST_GeomFromText('POINT(3427927.8 " 6714"20.5)',ST_SRID(rast))) As ptycoord\n" 6715"FROM dummy_rast;\n" 6716"\n" 6717" rid | ycoord | ycoord_xwyw | ptycoord\n" 6718"-----+-----------+-------------+-----------\n" 6719" 1 | 7 | 7 | 7\n" 6720" 2 | 115864471 | 115864471 | 115864471" 6721msgstr "" 6722"SELECT rid, ST_WorldToRasterCoordY(rast,20.5) As ycoord,\n" 6723" ST_WorldToRasterCoordY(rast,3427927.8,20.5) As ycoord_xwyw,\n" 6724" ST_WorldToRasterCoordY(rast,ST_GeomFromText('POINT(3427927.8 " 6725"20.5)',ST_SRID(rast))) As ptycoord\n" 6726"FROM dummy_rast;\n" 6727"\n" 6728" rid | ycoord | ycoord_xwyw | ptycoord\n" 6729"-----+-----------+-------------+-----------\n" 6730" 1 | 7 | 7 | 7\n" 6731" 2 | 115864471 | 115864471 | 115864471" 6732 6733#. Tag: title 6734#: reference_raster.xml:2879 6735#, no-c-format 6736msgid "Raster Band Accessors" 6737msgstr "ラスタバンドアクセサ" 6738 6739#. Tag: refname 6740#: reference_raster.xml:2882 6741#, no-c-format 6742msgid "ST_BandMetaData" 6743msgstr "ST_BandMetaData" 6744 6745#. Tag: refpurpose 6746#: reference_raster.xml:2883 6747#, no-c-format 6748msgid "" 6749"Returns basic meta data for a specific raster band. band num 1 is assumed if " 6750"none-specified." 6751msgstr "" 6752"指定したラスタバンドの基本的なメタデータを返します。バンド番号を指定しない場" 6753"合には、1番と仮定します。" 6754 6755#. Tag: funcsynopsis 6756#: reference_raster.xml:2887 6757#, no-c-format 6758msgid "" 6759"<funcprototype> <funcdef>(1) record <function>ST_BandMetaData</function></" 6760"funcdef> <paramdef><type>raster </type><parameter>rast</parameter></" 6761"paramdef> <paramdef choice=\"opt\"><type>integer </type><parameter>band=1</" 6762"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>(2) record " 6763"<function>ST_BandMetaData</function></funcdef> <paramdef><type>raster </" 6764"type><parameter>rast</parameter></paramdef> <paramdef choice=\"opt" 6765"\"><type>integer[] </type><parameter>band</parameter></paramdef> </" 6766"funcprototype>" 6767msgstr "" 6768"<funcprototype> <funcdef>(1) record <function>ST_BandMetaData</function></" 6769"funcdef> <paramdef><type>raster </type><parameter>rast</parameter></" 6770"paramdef> <paramdef choice=\"opt\"><type>integer </type><parameter>band=1</" 6771"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>(2) record " 6772"<function>ST_BandMetaData</function></funcdef> <paramdef><type>raster </" 6773"type><parameter>rast</parameter></paramdef> <paramdef choice=\"opt" 6774"\"><type>integer[] </type><parameter>band</parameter></paramdef> </" 6775"funcprototype>" 6776 6777#. Tag: para 6778#: reference_raster.xml:2904 6779#, no-c-format 6780msgid "" 6781"Returns basic meta data about a raster band. Columns returned: pixeltype, " 6782"nodatavalue, isoutdb, path, outdbbandnum, filesize, filetimestamp." 6783msgstr "" 6784"指定したラスタバンドの基本的なメタデータを返します。返されるカラムは " 6785"pixeltype, nodatavalue, isoutdb, path, outdbbandnum, filesize, filetimestamp " 6786"です。" 6787 6788#. Tag: para 6789#: reference_raster.xml:2907 6790#, no-c-format 6791msgid "If raster contains no bands then an error is thrown." 6792msgstr "ラスタがバンドを持たない場合にはエラーが投げられます。" 6793 6794#. Tag: para 6795#: reference_raster.xml:2913 6796#, no-c-format 6797msgid "If band has no NODATA value, nodatavalue are NULL." 6798msgstr "バンドにNODATA値が無い場合には、nodatavalueはNULLになります。" 6799 6800#. Tag: para 6801#: reference_raster.xml:2918 6802#, no-c-format 6803msgid "" 6804"If isoutdb is False, path, outdbbandnum, filesize and filetimestamp are " 6805"NULL. If outdb access is disabled, filesize and filetimestamp will also be " 6806"NULL." 6807msgstr "" 6808"isoutdbがFALSEの場合には、path, outdbbandnum, filedizeおよびfiletimestampは" 6809"NULLです。outdbのアクセスが禁止されているなら、filesizeとfiletimestampがNULL" 6810"になります。" 6811 6812#. Tag: para 6813#: reference_raster.xml:2923 6814#, no-c-format 6815msgid "" 6816"Enhanced: 2.5.0 to include <emphasis>outdbbandnum</emphasis>, " 6817"<emphasis>filesize</emphasis> and <emphasis>filetimestamp</emphasis> for " 6818"outdb rasters." 6819msgstr "" 6820"Enhanced: 2.5.0 outdbラスタに<emphasis>outdbbandnum</emphasis>, " 6821"<emphasis>filesize</emphasis>と<emphasis>filetimestamp</emphasis>を取り入れま" 6822"した。" 6823 6824#. Tag: title 6825#: reference_raster.xml:2927 reference_raster.xml:3986 6826#: reference_raster.xml:6873 reference_raster.xml:7298 6827#: reference_raster.xml:8904 reference_raster.xml:9347 6828#: reference_raster.xml:9444 reference_raster.xml:9572 6829#, no-c-format 6830msgid "Examples: Variant 1" 6831msgstr "例: 一つ目の形式" 6832 6833#. Tag: programlisting 6834#: reference_raster.xml:2929 6835#, no-c-format 6836msgid "" 6837"SELECT\n" 6838" rid,\n" 6839" (foo.md).*\n" 6840"FROM (\n" 6841" SELECT\n" 6842" rid,\n" 6843" ST_BandMetaData(rast, 1) AS md\n" 6844" FROM dummy_rast\n" 6845" WHERE rid=2\n" 6846") As foo;\n" 6847"\n" 6848" rid | pixeltype | nodatavalue | isoutdb | path | outdbbandnum\n" 6849"-----+-----------+---- --------+---------+------+--------------\n" 6850" 2 | 8BUI | 0 | f | |" 6851msgstr "" 6852"SELECT\n" 6853" rid,\n" 6854" (foo.md).*\n" 6855"FROM (\n" 6856" SELECT\n" 6857" rid,\n" 6858" ST_BandMetaData(rast, 1) AS md\n" 6859" FROM dummy_rast\n" 6860" WHERE rid=2\n" 6861") As foo;\n" 6862"\n" 6863" rid | pixeltype | nodatavalue | isoutdb | path | outdbbandnum\n" 6864"-----+-----------+---- --------+---------+------+--------------\n" 6865" 2 | 8BUI | 0 | f | |" 6866 6867#. Tag: title 6868#: reference_raster.xml:2934 reference_raster.xml:3999 6869#: reference_raster.xml:6917 reference_raster.xml:8911 6870#: reference_raster.xml:9352 reference_raster.xml:9449 6871#: reference_raster.xml:9577 6872#, no-c-format 6873msgid "Examples: Variant 2" 6874msgstr "例: 二つ目の形式" 6875 6876#. Tag: programlisting 6877#: reference_raster.xml:2936 6878#, no-c-format 6879msgid "" 6880"WITH foo AS (\n" 6881" SELECT\n" 6882" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 6883"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 6884")\n" 6885"SELECT\n" 6886" *\n" 6887"FROM ST_BandMetadata(\n" 6888" (SELECT rast FROM foo),\n" 6889" ARRAY[1,3,2]::int[]\n" 6890");\n" 6891"\n" 6892" bandnum | pixeltype | nodatavalue | isoutdb " 6893"| " 6894"path | outdbbandnum | filesize | " 6895"filetimestamp |\n" 6896"---------+-----------+-------------+---------" 6897"+--------------------------------------------------------------------------------" 6898"+---------------+----------+---------------+-\n" 6899" 1 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6900"git/raster/test/regress/loader/Projected.tif | 1 | 12345 " 6901"| 1521807257 |\n" 6902" 3 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6903"git/raster/test/regress/loader/Projected.tif | 3 | 12345 " 6904"| 1521807257 |\n" 6905" 2 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6906"git/raster/test/regress/loader/Projected.tif | 2 | 12345 " 6907"| 1521807257 |" 6908msgstr "" 6909"WITH foo AS (\n" 6910" SELECT\n" 6911" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 6912"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 6913")\n" 6914"SELECT\n" 6915" *\n" 6916"FROM ST_BandMetadata(\n" 6917" (SELECT rast FROM foo),\n" 6918" ARRAY[1,3,2]::int[]\n" 6919");\n" 6920"\n" 6921" bandnum | pixeltype | nodatavalue | isoutdb " 6922"| " 6923"path | outdbbandnum | filesize | " 6924"filetimestamp |\n" 6925"---------+-----------+-------------+---------" 6926"+--------------------------------------------------------------------------------" 6927"+---------------+----------+---------------+-\n" 6928" 1 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6929"git/raster/test/regress/loader/Projected.tif | 1 | 12345 " 6930"| 1521807257 |\n" 6931" 3 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6932"git/raster/test/regress/loader/Projected.tif | 3 | 12345 " 6933"| 1521807257 |\n" 6934" 2 | 8BUI | | t | /home/pele/devel/geo/postgis-" 6935"git/raster/test/regress/loader/Projected.tif | 2 | 12345 " 6936"| 1521807257 |" 6937 6938#. Tag: para 6939#: reference_raster.xml:2943 6940#, no-c-format 6941msgid ", <xref linkend=\"RT_ST_BandPixelType\"/>" 6942msgstr ", <xref linkend=\"RT_ST_BandPixelType\"/>" 6943 6944#. Tag: refname 6945#: reference_raster.xml:2949 6946#, no-c-format 6947msgid "ST_BandNoDataValue" 6948msgstr "ST_BandNoDataValue" 6949 6950#. Tag: refpurpose 6951#: reference_raster.xml:2950 6952#, no-c-format 6953msgid "" 6954"Returns the value in a given band that represents no data. If no band num 1 " 6955"is assumed." 6956msgstr "" 6957"指定されたバンドについてデータが無いことを表現する値を返します。バンド番号を" 6958"指定しない場合には、1番と仮定します。" 6959 6960#. Tag: funcprototype 6961#: reference_raster.xml:2955 6962#, no-c-format 6963msgid "" 6964"<funcdef>double precision <function>ST_BandNoDataValue</function></funcdef> " 6965"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 6966"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 6967"parameter></paramdef>" 6968msgstr "" 6969"<funcdef>double precision <function>ST_BandNoDataValue</function></funcdef> " 6970"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 6971"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 6972"parameter></paramdef>" 6973 6974#. Tag: para 6975#: reference_raster.xml:2966 6976#, no-c-format 6977msgid "Returns the value that represents no data for the band" 6978msgstr "指定されたバンドについてデータが無いことを表現する値を返します。" 6979 6980#. Tag: programlisting 6981#: reference_raster.xml:2972 6982#, no-c-format 6983msgid "" 6984"SELECT ST_BandNoDataValue(rast,1) As bnval1,\n" 6985" ST_BandNoDataValue(rast,2) As bnval2, ST_BandNoDataValue(rast,3) As " 6986"bnval3\n" 6987"FROM dummy_rast\n" 6988"WHERE rid = 2;\n" 6989"\n" 6990" bnval1 | bnval2 | bnval3\n" 6991"--------+--------+--------\n" 6992" 0 | 0 | 0" 6993msgstr "" 6994"SELECT ST_BandNoDataValue(rast,1) As bnval1,\n" 6995" ST_BandNoDataValue(rast,2) As bnval2, ST_BandNoDataValue(rast,3) As " 6996"bnval3\n" 6997"FROM dummy_rast\n" 6998"WHERE rid = 2;\n" 6999"\n" 7000" bnval1 | bnval2 | bnval3\n" 7001"--------+--------+--------\n" 7002" 0 | 0 | 0" 7003 7004#. Tag: refname 7005#: reference_raster.xml:2985 7006#, no-c-format 7007msgid "ST_BandIsNoData" 7008msgstr "ST_BandIsNoData" 7009 7010#. Tag: refpurpose 7011#: reference_raster.xml:2986 7012#, no-c-format 7013msgid "Returns true if the band is filled with only nodata values." 7014msgstr "指定したバンドがNODATA値だけで満たされている場合には、TRUEを返します。" 7015 7016#. Tag: funcsynopsis 7017#: reference_raster.xml:2990 7018#, no-c-format 7019msgid "" 7020"<funcprototype> <funcdef>boolean <function>ST_BandIsNoData</function></" 7021"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 7022"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 7023"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7024"<parameter>forceChecking=true</parameter></paramdef> </funcprototype> " 7025"<funcprototype> <funcdef>boolean <function>ST_BandIsNoData</function></" 7026"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 7027"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7028"<parameter>forceChecking=true</parameter></paramdef> </funcprototype>" 7029msgstr "" 7030"<funcprototype> <funcdef>boolean <function>ST_BandIsNoData</function></" 7031"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 7032"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 7033"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7034"<parameter>forceChecking=true</parameter></paramdef> </funcprototype> " 7035"<funcprototype> <funcdef>boolean <function>ST_BandIsNoData</function></" 7036"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 7037"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7038"<parameter>forceChecking=true</parameter></paramdef> </funcprototype>" 7039 7040#. Tag: para 7041#: reference_raster.xml:3007 7042#, no-c-format 7043msgid "" 7044"Returns true if the band is filled with only nodata values. Band 1 is " 7045"assumed if not specified. If the last argument is TRUE, the entire band is " 7046"checked pixel by pixel. Otherwise, the function simply returns the value of " 7047"the isnodata flag for the band. The default value for this parameter is " 7048"FALSE, if not specified." 7049msgstr "" 7050"指定したバンドがNODATA値だけで満たされている場合には、TRUEを返します。バンド" 7051"番号を指定しない場合には、1番と仮定します。最後の引数がTRUEの場合には、全バン" 7052"ドについてピクセル毎に調べます。他の場合には、isnodataフラグの値を返すだけで" 7053"す。この引数を指定しない場合のデフォルト値はFALSEです。" 7054 7055#. Tag: para 7056#: reference_raster.xml:3017 7057#, no-c-format 7058msgid "" 7059"If the flag is dirty (this is, the result is different using TRUE as last " 7060"parameter and not using it) you should update the raster to set this flag to " 7061"true, by using ST_SetBandIsNodata(), or ST_SetBandNodataValue() with TRUE as " 7062"last argument. See <xref linkend=\"RT_ST_SetBandIsNoData\"/>." 7063msgstr "" 7064"フラグが汚れている (最後の引数をTRUEにした場合としない場合とで結果が違う)場合" 7065"には、ST_SetBandIsNodata関数、または最後の引数をTRUEにしたST_BandNodataValue" 7066"関数を使って、フラグにTRUEを設定するためにラスタを更新するべきです。<xref " 7067"linkend=\"RT_ST_SetBandIsNoData\"/>を参照して下さい。" 7068 7069#. Tag: programlisting 7070#: reference_raster.xml:3027 7071#, no-c-format 7072msgid "" 7073"-- Create dummy table with one raster column\n" 7074"create table dummy_rast (rid integer, rast raster);\n" 7075"\n" 7076"-- Add raster with two bands, one pixel/band. In the first band, nodatavalue " 7077"= pixel value = 3.\n" 7078"-- In the second band, nodatavalue = 13, pixel value = 4\n" 7079"insert into dummy_rast values(1,\n" 7080"(\n" 7081"'01' -- little endian (uint8 ndr)\n" 7082"||\n" 7083"'0000' -- version (uint16 0)\n" 7084"||\n" 7085"'0200' -- nBands (uint16 0)\n" 7086"||\n" 7087"'17263529ED684A3F' -- scaleX (float64 0.000805965234044584)\n" 7088"||\n" 7089"'F9253529ED684ABF' -- scaleY (float64 -0.00080596523404458)\n" 7090"||\n" 7091"'1C9F33CE69E352C0' -- ipX (float64 -75.5533328537098)\n" 7092"||\n" 7093"'718F0E9A27A44840' -- ipY (float64 49.2824585505576)\n" 7094"||\n" 7095"'ED50EB853EC32B3F' -- skewX (float64 0.000211812383858707)\n" 7096"||\n" 7097"'7550EB853EC32B3F' -- skewY (float64 0.000211812383858704)\n" 7098"||\n" 7099"'E6100000' -- SRID (int32 4326)\n" 7100"||\n" 7101"'0100' -- width (uint16 1)\n" 7102"||\n" 7103"'0100' -- height (uint16 1)\n" 7104"||\n" 7105"'6' -- hasnodatavalue and isnodata value set to true.\n" 7106"||\n" 7107"'2' -- first band type (4BUI)\n" 7108"||\n" 7109"'03' -- novalue==3\n" 7110"||\n" 7111"'03' -- pixel(0,0)==3 (same that nodata)\n" 7112"||\n" 7113"'0' -- hasnodatavalue set to false\n" 7114"||\n" 7115"'5' -- second band type (16BSI)\n" 7116"||\n" 7117"'0D00' -- novalue==13\n" 7118"||\n" 7119"'0400' -- pixel(0,0)==4\n" 7120")::raster\n" 7121");\n" 7122"\n" 7123"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- Expected " 7124"true\n" 7125"select st_bandisnodata(rast, 2) from dummy_rast where rid = 1; -- Expected " 7126"false" 7127msgstr "" 7128"-- 一つのラスタカラムを持つダミーテーブルの生成\n" 7129"create table dummy_rast (rid integer, rast raster);\n" 7130"\n" 7131"-- 2バンドでバンドごとに1ピクセルを持つラスタを追加します。\n" 7132"-- 一つ目のバンドにはnodatavalueとピクセル値をともに3とし、\n" 7133"-- 二つ目のバンドにはnodatavalue=13とピクセル値=4とします。\n" 7134"insert into dummy_rast values(1,\n" 7135"(\n" 7136"'01' -- little endian - リトルエンディアン (uint8 ndr)\n" 7137"||\n" 7138"'0000' -- version - 版 (uint16 0)\n" 7139"||\n" 7140"'0200' -- nBands - バンド数 (uint16 0)\n" 7141"||\n" 7142"'17263529ED684A3F' -- scaleX - X方向セルサイズ (float64 " 7143"0.000805965234044584)\n" 7144"||\n" 7145"'F9253529ED684ABF' -- scaleY - Y方向セルサイズ (float64 " 7146"-0.00080596523404458)\n" 7147"||\n" 7148"'1C9F33CE69E352C0' -- ipX - 左上隅X値 (float64 -75.5533328537098)\n" 7149"||\n" 7150"'718F0E9A27A44840' -- ipY - 左上隅Y値 (float64 49.2824585505576)\n" 7151"||\n" 7152"'ED50EB853EC32B3F' -- skewX - スキューX (float64 0.000211812383858707)\n" 7153"||\n" 7154"'7550EB853EC32B3F' -- skewY - スキューY (float64 0.000211812383858704)\n" 7155"||\n" 7156"'E6100000' -- SRID (int32 4326)\n" 7157"||\n" 7158"'0100' -- width - 横セル数 (uint16 1)\n" 7159"||\n" 7160"'0100' -- height - 縦セル数 (uint16 1)\n" 7161"||\n" 7162"'6' -- hasnodatavalueとisnodataの値をtrueにする。\n" 7163"||\n" 7164"'2' -- 1番バンドのタイプ (4BUI)\n" 7165"||\n" 7166"'03' -- NODATA値==3\n" 7167"||\n" 7168"'03' -- 0列0行ピクセルの値==3 (NODATA値と同じ)\n" 7169"||\n" 7170"'0' -- hasnodatavalueをFALSEにする。\n" 7171"||\n" 7172"'5' -- 2番バンドのタイプ (16BSI)\n" 7173"||\n" 7174"'0D00' -- NODATA値==13\n" 7175"||\n" 7176"'0400' -- 0列0行ピクセルの値==4\n" 7177")::raster\n" 7178");\n" 7179"\n" 7180"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- Expected " 7181"true\n" 7182"select st_bandisnodata(rast, 2) from dummy_rast where rid = 1; -- Expected " 7183"false" 7184 7185#. Tag: para 7186#: reference_raster.xml:3033 7187#, no-c-format 7188msgid "" 7189", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=" 7190"\"RT_ST_SetBandNoDataValue\"/>, <xref linkend=\"RT_ST_SetBandIsNoData\"/>" 7191msgstr "" 7192", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=" 7193"\"RT_ST_SetBandNoDataValue\"/>, <xref linkend=\"RT_ST_SetBandIsNoData\"/>" 7194 7195#. Tag: refname 7196#: reference_raster.xml:3042 7197#, no-c-format 7198msgid "ST_BandPath" 7199msgstr "ST_BandPath" 7200 7201#. Tag: refpurpose 7202#: reference_raster.xml:3043 7203#, no-c-format 7204msgid "" 7205"Returns system file path to a band stored in file system. If no bandnum " 7206"specified, 1 is assumed." 7207msgstr "" 7208"ファイルシステムに格納されているバンドのシステムファイルパスを返します。バン" 7209"ド番号が指定されていない場合には、1番と仮定します。" 7210 7211#. Tag: funcprototype 7212#: reference_raster.xml:3048 7213#, no-c-format 7214msgid "" 7215"<funcdef>text <function>ST_BandPath</function></funcdef> " 7216"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7217"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7218"parameter></paramdef>" 7219msgstr "" 7220"<funcdef>text <function>ST_BandPath</function></funcdef> " 7221"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7222"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7223"parameter></paramdef>" 7224 7225#. Tag: para 7226#: reference_raster.xml:3059 7227#, no-c-format 7228msgid "" 7229"Returns system file path to a band. Throws an error if called with an in db " 7230"band." 7231msgstr "" 7232"バンドへのシステムファイルパスを返します。データベース内に格納されているバン" 7233"ドでこの関数を呼んだ場合にはエラーが投げられます。" 7234 7235#. Tag: programlisting 7236#: reference_raster.xml:3065 7237#, no-c-format 7238msgid "<!-- TODO: -->" 7239msgstr "<!-- TODO: -->" 7240 7241#. Tag: refname 7242#: reference_raster.xml:3077 7243#, no-c-format 7244msgid "ST_BandFileSize" 7245msgstr "ST_BandFileSize" 7246 7247#. Tag: refpurpose 7248#: reference_raster.xml:3078 7249#, no-c-format 7250msgid "" 7251"Returns the file size of a band stored in file system. If no bandnum " 7252"specified, 1 is assumed." 7253msgstr "" 7254"ファイルシステムに格納されているバンドのファイルサイズを返します。バンド番号" 7255"が指定されていない場合には、1番と仮定します。" 7256 7257#. Tag: funcprototype 7258#: reference_raster.xml:3083 7259#, no-c-format 7260msgid "" 7261"<funcdef>bigint <function>ST_BandFileSize</function></funcdef> " 7262"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7263"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7264"parameter></paramdef>" 7265msgstr "" 7266"<funcdef>bigint <function>ST_BandFileSize</function></funcdef> " 7267"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7268"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7269"parameter></paramdef>" 7270 7271#. Tag: para 7272#: reference_raster.xml:3094 7273#, no-c-format 7274msgid "" 7275"Returns the file size of a band stored in file system. Throws an error if " 7276"called with an in db band, or if outdb access is not enabled." 7277msgstr "" 7278"ファイルシステムに格納されているバンドのファイルサイズを返します。データベー" 7279"ス内バンドを与えるか、データベース外バンドにアクセスできない場合にはエラーが" 7280"投げられます。" 7281 7282#. Tag: para 7283#: reference_raster.xml:3096 7284#, no-c-format 7285msgid "" 7286"This function is typically used in conjunction with ST_BandPath() and " 7287"ST_BandFileTimestamp() so a client can determine if the filename of a outdb " 7288"raster as seen by it is the same as the one seen by the server." 7289msgstr "" 7290"この関数は一般的にST_BandPath()とST_BandFileTimestamp()とを併用して、データ" 7291"ベース外ラスタのファイル名が、この関数から見えるものとサーバから見えるものと" 7292"同じかどうかを判断することができます。" 7293 7294#. Tag: para 7295#: reference_raster.xml:3098 reference_raster.xml:3134 7296#: reference_raster.xml:5093 reference_raster.xml:5146 7297#: reference_raster.xml:5843 reference_raster.xml:5886 7298#: reference_raster.xml:5999 reference_raster.xml:6868 7299#, no-c-format 7300msgid "Availability: 2.5.0" 7301msgstr "Availability: 2.5.0" 7302 7303#. Tag: programlisting 7304#: reference_raster.xml:3105 7305#, no-c-format 7306msgid "" 7307"SELECT ST_BandFileSize(rast,1) FROM dummy_rast WHERE rid = 1;\n" 7308"\n" 7309" st_bandfilesize\n" 7310"-----------------\n" 7311" 240574" 7312msgstr "" 7313"SELECT ST_BandFileSize(rast,1) FROM dummy_rast WHERE rid = 1;\n" 7314"\n" 7315" st_bandfilesize\n" 7316"-----------------\n" 7317" 240574" 7318 7319#. Tag: refname 7320#: reference_raster.xml:3113 7321#, no-c-format 7322msgid "ST_BandFileTimestamp" 7323msgstr "ST_BandFileTimestamp" 7324 7325#. Tag: refpurpose 7326#: reference_raster.xml:3114 7327#, no-c-format 7328msgid "" 7329"Returns the file timestamp of a band stored in file system. If no bandnum " 7330"specified, 1 is assumed." 7331msgstr "" 7332"ファイルシステムに格納されているバンドのファイルタイムスタンプ返します。バン" 7333"ド番号が指定されていない場合には、1番と仮定します。" 7334 7335#. Tag: funcprototype 7336#: reference_raster.xml:3119 7337#, no-c-format 7338msgid "" 7339"<funcdef>bigint <function>ST_BandFileTimestamp</function></funcdef> " 7340"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7341"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7342"parameter></paramdef>" 7343msgstr "" 7344"<funcdef>bigint <function>ST_BandFileTimestamp</function></funcdef> " 7345"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7346"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7347"parameter></paramdef>" 7348 7349#. Tag: para 7350#: reference_raster.xml:3130 7351#, no-c-format 7352msgid "" 7353"Returns the file timestamp (number of seconds since Jan 1st 1970 00:00:00 " 7354"UTC) of a band stored in file system. Throws an error if called with an in " 7355"db band, or if outdb access is not enabled." 7356msgstr "" 7357"ファイルシステムに保存されているバンドのファイルタイムスタンプを返します " 7358"(UTC 1970年1月1日 0時0分0秒からの秒数)。データベース内バンドの場合またはデー" 7359"タベース外ラスタへのアクセスが無効な場合にはエラーが投げられます。" 7360 7361#. Tag: para 7362#: reference_raster.xml:3132 7363#, no-c-format 7364msgid "" 7365"This function is typically used in conjunction with ST_BandPath() and " 7366"ST_BandFileSize() so a client can determine if the filename of a outdb " 7367"raster as seen by it is the same as the one seen by the server." 7368msgstr "" 7369"この関数は通常、ST_BandPath() および ST_BandFileSize() と組み合わせて使用され" 7370"るため、クライアントは、outdb ラスタのファイル名がサーバーによって見られるも" 7371"のと同じであるかどうかを判断できます。" 7372 7373#. Tag: programlisting 7374#: reference_raster.xml:3140 7375#, no-c-format 7376msgid "" 7377"SELECT ST_BandFileTimestamp(rast,1) FROM dummy_rast WHERE rid = 1;\n" 7378"\n" 7379" st_bandfiletimestamp\n" 7380"----------------------\n" 7381" 1521807257" 7382msgstr "" 7383"SELECT ST_BandFileTimestamp(rast,1) FROM dummy_rast WHERE rid = 1;\n" 7384"\n" 7385" st_bandfiletimestamp\n" 7386"----------------------\n" 7387" 1521807257" 7388 7389#. Tag: refname 7390#: reference_raster.xml:3147 7391#, no-c-format 7392msgid "ST_BandPixelType" 7393msgstr "ST_BandPixelType" 7394 7395#. Tag: refpurpose 7396#: reference_raster.xml:3148 7397#, no-c-format 7398msgid "" 7399"Returns the type of pixel for given band. If no bandnum specified, 1 is " 7400"assumed." 7401msgstr "" 7402"指定したバンドのピクセルタイプを返します。バンド番号が指定されていない場合に" 7403"は、1番と仮定します。" 7404 7405#. Tag: funcprototype 7406#: reference_raster.xml:3153 7407#, no-c-format 7408msgid "" 7409"<funcdef>text <function>ST_BandPixelType</function></funcdef> " 7410"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7411"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7412"parameter></paramdef>" 7413msgstr "" 7414"<funcdef>text <function>ST_BandPixelType</function></funcdef> " 7415"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7416"<paramdef choice=\"opt\"><type>integer </type> <parameter>bandnum=1</" 7417"parameter></paramdef>" 7418 7419#. Tag: para 7420#: reference_raster.xml:3164 7421#, no-c-format 7422msgid "" 7423"Returns name describing data type and size of values stored in each cell of " 7424"given band." 7425msgstr "" 7426 7427#. Tag: para 7428#: reference_raster.xml:3165 7429#, no-c-format 7430msgid "There are 11 pixel types. Pixel Types supported are as follows:" 7431msgstr "" 7432"ピクセルタイプは11通りあります。対応しているピクセルタイプは次の通りです。" 7433 7434#. Tag: para 7435#: reference_raster.xml:3168 7436#, no-c-format 7437msgid "1BB - 1-bit boolean" 7438msgstr "1BB - 1ビット真偽値" 7439 7440#. Tag: para 7441#: reference_raster.xml:3172 7442#, no-c-format 7443msgid "2BUI - 2-bit unsigned integer" 7444msgstr "2BUI - 2ビット符号なし整数" 7445 7446#. Tag: para 7447#: reference_raster.xml:3176 7448#, no-c-format 7449msgid "4BUI - 4-bit unsigned integer" 7450msgstr "4BUI - 4ビット符号なし整数" 7451 7452#. Tag: para 7453#: reference_raster.xml:3180 7454#, no-c-format 7455msgid "8BSI - 8-bit signed integer" 7456msgstr "8BSI - 8ビット整数" 7457 7458#. Tag: para 7459#: reference_raster.xml:3183 7460#, no-c-format 7461msgid "8BUI - 8-bit unsigned integer" 7462msgstr "8BUI - 8ビット符号なし整数" 7463 7464#. Tag: para 7465#: reference_raster.xml:3186 7466#, no-c-format 7467msgid "16BSI - 16-bit signed integer" 7468msgstr "16BSI - 16ビット整数" 7469 7470#. Tag: para 7471#: reference_raster.xml:3189 7472#, no-c-format 7473msgid "16BUI - 16-bit unsigned integer" 7474msgstr "16BUI - 16ビット符号なし整数" 7475 7476#. Tag: para 7477#: reference_raster.xml:3192 7478#, no-c-format 7479msgid "32BSI - 32-bit signed integer" 7480msgstr "32BSI - 32ビット整数" 7481 7482#. Tag: para 7483#: reference_raster.xml:3195 7484#, no-c-format 7485msgid "32BUI - 32-bit unsigned integer" 7486msgstr "32BUI - 32ビット符号なし整数" 7487 7488#. Tag: para 7489#: reference_raster.xml:3198 7490#, no-c-format 7491msgid "32BF - 32-bit float" 7492msgstr "32BF - 32ビット浮動小数点数" 7493 7494#. Tag: para 7495#: reference_raster.xml:3201 7496#, no-c-format 7497msgid "64BF - 64-bit float" 7498msgstr "64BF - 64ビット浮動小数点数" 7499 7500#. Tag: programlisting 7501#: reference_raster.xml:3210 7502#, no-c-format 7503msgid "" 7504"SELECT ST_BandPixelType(rast,1) As btype1,\n" 7505" ST_BandPixelType(rast,2) As btype2, ST_BandPixelType(rast,3) As btype3\n" 7506"FROM dummy_rast\n" 7507"WHERE rid = 2;\n" 7508"\n" 7509" btype1 | btype2 | btype3\n" 7510"--------+--------+--------\n" 7511" 8BUI | 8BUI | 8BUI" 7512msgstr "" 7513"SELECT ST_BandPixelType(rast,1) As btype1,\n" 7514" ST_BandPixelType(rast,2) As btype2, ST_BandPixelType(rast,3) As btype3\n" 7515"FROM dummy_rast\n" 7516"WHERE rid = 2;\n" 7517"\n" 7518" btype1 | btype2 | btype3\n" 7519"--------+--------+--------\n" 7520" 8BUI | 8BUI | 8BUI" 7521 7522#. Tag: refname 7523#: reference_raster.xml:3222 7524#, no-c-format 7525msgid "ST_HasNoBand" 7526msgstr "ST_HasNoBand" 7527 7528#. Tag: refpurpose 7529#: reference_raster.xml:3223 7530#, no-c-format 7531msgid "" 7532"<refpurpose>Returns true if there is no band with given band number. If no " 7533"band number is specified, then band number 1 is assumed.</refpurpose>" 7534msgstr "" 7535"<refpurpose>指定したバンド番号のバンドが無い場合には、TRUEを返します。バンド" 7536"番号を指定していない場合には、1番と仮定します。</refpurpose>" 7537 7538#. Tag: funcprototype 7539#: reference_raster.xml:3228 7540#, no-c-format 7541msgid "" 7542"<funcdef>boolean <function>ST_HasNoBand</function></funcdef> " 7543"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7544"<paramdef><type>integer </type> <parameter>bandnum=1</parameter></paramdef>" 7545msgstr "" 7546"<funcdef>boolean <function>ST_HasNoBand</function></funcdef> " 7547"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7548"<paramdef><type>integer </type> <parameter>bandnum=1</parameter></paramdef>" 7549 7550#. Tag: para 7551#: reference_raster.xml:3239 7552#, no-c-format 7553msgid "" 7554"<para>Returns true if there is no band with given band number. If no band " 7555"number is specified, then band number 1 is assumed.</para>" 7556msgstr "" 7557"<para>指定したバンド番号のバンドが無い場合には、TRUEを返します。バンド番号を" 7558"指定していない場合には、1番と仮定します。</para>" 7559 7560#. Tag: programlisting 7561#: reference_raster.xml:3247 7562#, no-c-format 7563msgid "" 7564"SELECT rid, ST_HasNoBand(rast) As hb1, ST_HasNoBand(rast,2) as hb2,\n" 7565"ST_HasNoBand(rast,4) as hb4, ST_NumBands(rast) As numbands\n" 7566"FROM dummy_rast;\n" 7567"\n" 7568"rid | hb1 | hb2 | hb4 | numbands\n" 7569"-----+-----+-----+-----+----------\n" 7570"1 | t | t | t | 0\n" 7571"2 | f | f | t | 3" 7572msgstr "" 7573"SELECT rid, ST_HasNoBand(rast) As hb1, ST_HasNoBand(rast,2) as hb2,\n" 7574"ST_HasNoBand(rast,4) as hb4, ST_NumBands(rast) As numbands\n" 7575"FROM dummy_rast;\n" 7576"\n" 7577"rid | hb1 | hb2 | hb4 | numbands\n" 7578"-----+-----+-----+-----+----------\n" 7579"1 | t | t | t | 0\n" 7580"2 | f | f | t | 3" 7581 7582#. Tag: title 7583#: reference_raster.xml:3260 7584#, no-c-format 7585msgid "Raster Pixel Accessors and Setters" 7586msgstr "ラスタピクセルアクセサとセッター" 7587 7588#. Tag: refname 7589#: reference_raster.xml:3264 7590#, no-c-format 7591msgid "ST_PixelAsPolygon" 7592msgstr "ST_PixelAsPolygon" 7593 7594#. Tag: refpurpose 7595#: reference_raster.xml:3265 7596#, no-c-format 7597msgid "" 7598"<refpurpose>Returns the polygon geometry that bounds the pixel for a " 7599"particular row and column.</refpurpose>" 7600msgstr "" 7601"<refpurpose>指定した行と列のピクセルの境界となるジオメトリを返します。</" 7602"refpurpose>" 7603 7604#. Tag: funcprototype 7605#: reference_raster.xml:3270 7606#, no-c-format 7607msgid "" 7608"<funcdef>geometry <function>ST_PixelAsPolygon</function></funcdef> " 7609"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7610"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 7611"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef>" 7612msgstr "" 7613"<funcdef>geometry <function>ST_PixelAsPolygon</function></funcdef> " 7614"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7615"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 7616"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef>" 7617 7618#. Tag: para 7619#: reference_raster.xml:3282 7620#, no-c-format 7621msgid "" 7622"<para>Returns the polygon geometry that bounds the pixel for a particular " 7623"row and column.</para>" 7624msgstr "" 7625"<para>指定した行と列のピクセルの境界となるジオメトリを返します。</para>" 7626 7627#. Tag: programlisting 7628#: reference_raster.xml:3290 7629#, no-c-format 7630msgid "" 7631"-- get raster pixel polygon\n" 7632"SELECT i,j, ST_AsText(ST_PixelAsPolygon(foo.rast, i,j)) As b1pgeom\n" 7633"FROM dummy_rast As foo\n" 7634" CROSS JOIN generate_series(1,2) As i\n" 7635" CROSS JOIN generate_series(1,1) As j\n" 7636"WHERE rid=2;\n" 7637"\n" 7638" i | j | b1pgeom\n" 7639"---+---" 7640"+-----------------------------------------------------------------------------\n" 7641" 1 | 1 | POLYGON((3427927.75 5793244,3427927.8 5793244,3427927.8 " 7642"5793243.95,...\n" 7643" 2 | 1 | POLYGON((3427927.8 5793244,3427927.85 5793244,3427927.85 " 7644"5793243.95, .." 7645msgstr "" 7646"-- ラスタピクセルのポリゴンを得ます\n" 7647"SELECT i,j, ST_AsText(ST_PixelAsPolygon(foo.rast, i,j)) As b1pgeom\n" 7648"FROM dummy_rast As foo\n" 7649" CROSS JOIN generate_series(1,2) As i\n" 7650" CROSS JOIN generate_series(1,1) As j\n" 7651"WHERE rid=2;\n" 7652"\n" 7653" i | j | b1pgeom\n" 7654"---+---" 7655"+-----------------------------------------------------------------------------\n" 7656" 1 | 1 | POLYGON((3427927.75 5793244,3427927.8 5793244,3427927.8 " 7657"5793243.95,...\n" 7658" 2 | 1 | POLYGON((3427927.8 5793244,3427927.85 5793244,3427927.85 " 7659"5793243.95, .." 7660 7661#. Tag: para 7662#: reference_raster.xml:3295 7663#, no-c-format 7664msgid "" 7665", <xref linkend=\"RT_ST_PixelAsPolygons\"/>, <xref linkend=" 7666"\"RT_ST_PixelAsPoint\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7667"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7668"\"/>, <xref linkend=\"RT_ST_Intersection\"/>, <xref linkend=\"ST_AsText\"/>" 7669msgstr "" 7670", <xref linkend=\"RT_ST_PixelAsPolygons\"/>, <xref linkend=" 7671"\"RT_ST_PixelAsPoint\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7672"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7673"\"/>, <xref linkend=\"RT_ST_Intersection\"/>, <xref linkend=\"ST_AsText\"/>" 7674 7675#. Tag: refname 7676#: reference_raster.xml:3310 7677#, no-c-format 7678msgid "ST_PixelAsPolygons" 7679msgstr "ST_PixelAsPolygons" 7680 7681#. Tag: refpurpose 7682#: reference_raster.xml:3311 7683#, no-c-format 7684msgid "" 7685"Returns the polygon geometry that bounds every pixel of a raster band along " 7686"with the value, the X and the Y raster coordinates of each pixel." 7687msgstr "" 7688"全てのピクセルについて境界となるジオメトリを、ピクセルごとのピクセル値とラス" 7689"タ座標系のXとYとを付けて返します。" 7690 7691#. Tag: funcprototype 7692#: reference_raster.xml:3316 7693#, no-c-format 7694msgid "" 7695"<funcdef>setof record <function>ST_PixelAsPolygons</function></funcdef> " 7696"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7697"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 7698"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7699"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 7700msgstr "" 7701"<funcdef>setof record <function>ST_PixelAsPolygons</function></funcdef> " 7702"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7703"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 7704"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7705"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 7706 7707#. Tag: para 7708#: reference_raster.xml:3328 7709#, no-c-format 7710msgid "" 7711"Returns the polygon geometry that bounds every pixel of a raster band along " 7712"with the value (double precision), the X and the Y raster coordinates " 7713"(integers) of each pixel." 7714msgstr "" 7715"全てのピクセルについて境界となるジオメトリを、ピクセルごとのピクセル値 (倍精" 7716"度浮動小数点数)とラスタ座標系のXとY (ともに整数)とを付けて返します。" 7717 7718#. Tag: para 7719#: reference_raster.xml:3330 reference_raster.xml:3436 7720#: reference_raster.xml:3533 7721#, no-c-format 7722msgid "" 7723"Return record format: <parameter>geom</parameter> <xref linkend=\"geometry\"/" 7724">, <parameter>val</parameter> double precision, <parameter>x</parameter> " 7725"integer, <parameter>y</parameter> integers." 7726msgstr "" 7727"返されるレコードの書式は、<xref linkend=\"geometry\"/>型の<parameter>geom</" 7728"parameter>、倍精度浮動小数点数の<parameter>val</parameter>、整数の" 7729"<parameter>x</parameter>、整数の<parameter>y</parameter>です。" 7730 7731#. Tag: para 7732#: reference_raster.xml:3334 reference_raster.xml:3440 7733#: reference_raster.xml:3537 7734#, no-c-format 7735msgid "" 7736"When <parameter>exclude_nodata_value</parameter> = TRUE, only those pixels " 7737"whose values are not NODATA are returned as points." 7738msgstr "" 7739"<parameter>exclude_nodata_value</parameter>がTRUEの時、値がNODATAでないこれら" 7740"のピクセルだけをポイントとして返します。" 7741 7742#. Tag: para 7743#: reference_raster.xml:3340 7744#, no-c-format 7745msgid "" 7746"ST_PixelAsPolygons returns one polygon geometry for every pixel. This is " 7747"different than ST_DumpAsPolygons where each geometry represents one or more " 7748"pixels with the same pixel value." 7749msgstr "" 7750"ST_PixelAsPolygonsは、ピクセルごとに一つのポリゴンジオメトリを返します。" 7751"ST_DumpAsPolygonsとは、 一つのジオメトリが同じ値となる一つ以上のピクセルを表" 7752"現する点で違います。" 7753 7754#. Tag: para 7755#: reference_raster.xml:3346 7756#, no-c-format 7757msgid "Enhanced: 2.1.0 exclude_nodata_value optional argument was added." 7758msgstr "Enhanced: 2.1.0 任意引数exclude_nodata_valueが追加されました。" 7759 7760#. Tag: para 7761#: reference_raster.xml:3347 reference_raster.xml:3445 7762#: reference_raster.xml:3543 7763#, no-c-format 7764msgid "Changed: 2.1.1 Changed behavior of exclude_nodata_value." 7765msgstr "Changed: 2.1.1 exclude_nodata_valueの挙動を変更しました。" 7766 7767#. Tag: programlisting 7768#: reference_raster.xml:3352 7769#, no-c-format 7770msgid "" 7771"-- get raster pixel polygon\n" 7772"SELECT (gv).x, (gv).y, (gv).val, ST_AsText((gv).geom) geom\n" 7773"FROM (SELECT ST_PixelAsPolygons(\n" 7774" ST_SetValue(ST_SetValue(ST_AddBand(ST_MakeEmptyRaster(2, 2, " 7775"0, 0, 0.001, -0.001, 0.001, 0.001, 4269),\n" 7776" '8BUI'::text, 1, 0),\n" 7777" 2, 2, 10),\n" 7778" 1, 1, NULL)\n" 7779") gv\n" 7780") foo;\n" 7781"\n" 7782" x | y | val | geom\n" 7783"---+---" 7784"+-----------------------------------------------------------------------------\n" 7785" 1 | 1 | | POLYGON((0 0,0.001 0.001,0.002 0,0.001 -0.001,0 0))\n" 7786" 1 | 2 | 1 | POLYGON((0.001 -0.001,0.002 0,0.003 -0.001,0.002 -0.002,0.001 " 7787"-0.001))\n" 7788" 2 | 1 | 1 | POLYGON((0.001 0.001,0.002 0.002,0.003 0.001,0.002 0,0.001 " 7789"0.001))\n" 7790" 2 | 2 | 10 | POLYGON((0.002 0,0.003 0.001,0.004 0,0.003 -0.001,0.002 0))" 7791msgstr "" 7792"-- ラスタピクセルのポリゴンを得ます\n" 7793"SELECT (gv).x, (gv).y, (gv).val, ST_AsText((gv).geom) geom\n" 7794"FROM (SELECT ST_PixelAsPolygons(\n" 7795" ST_SetValue(ST_SetValue(ST_AddBand(ST_MakeEmptyRaster(2, 2, " 7796"0, 0, 0.001, -0.001, 0.001, 0.001, 4269),\n" 7797" '8BUI'::text, 1, 0),\n" 7798" 2, 2, 10),\n" 7799" 1, 1, NULL)\n" 7800") gv\n" 7801") foo;\n" 7802"\n" 7803" x | y | val | geom\n" 7804"---+---" 7805"+-----------------------------------------------------------------------------\n" 7806" 1 | 1 | | POLYGON((0 0,0.001 0.001,0.002 0,0.001 -0.001,0 0))\n" 7807" 1 | 2 | 1 | POLYGON((0.001 -0.001,0.002 0,0.003 -0.001,0.002 -0.002,0.001 " 7808"-0.001))\n" 7809" 2 | 1 | 1 | POLYGON((0.001 0.001,0.002 0.002,0.003 0.001,0.002 0,0.001 " 7810"0.001))\n" 7811" 2 | 2 | 10 | POLYGON((0.002 0,0.003 0.001,0.004 0,0.003 -0.001,0.002 0))" 7812 7813#. Tag: para 7814#: reference_raster.xml:3357 7815#, no-c-format 7816msgid "" 7817", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 7818"\"RT_ST_PixelAsPoint\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7819"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7820"\"/>, <xref linkend=\"ST_AsText\"/>" 7821msgstr "" 7822", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 7823"\"RT_ST_PixelAsPoint\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7824"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7825"\"/>, <xref linkend=\"ST_AsText\"/>" 7826 7827#. Tag: refname 7828#: reference_raster.xml:3371 7829#, no-c-format 7830msgid "ST_PixelAsPoint" 7831msgstr "ST_PixelAsPoint" 7832 7833#. Tag: refpurpose 7834#: reference_raster.xml:3372 7835#, no-c-format 7836msgid "" 7837"<refpurpose>Returns a point geometry of the pixel's upper-left corner.</" 7838"refpurpose>" 7839msgstr "" 7840"<refpurpose>ピクセルの左上隅のポイントジオメトリを返します。</refpurpose>" 7841 7842#. Tag: funcprototype 7843#: reference_raster.xml:3378 7844#, no-c-format 7845msgid "" 7846"<funcdef>geometry <function>ST_PixelAsPoint</function></funcdef> " 7847"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7848"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 7849"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef>" 7850msgstr "" 7851"<funcdef>geometry <function>ST_PixelAsPoint</function></funcdef> " 7852"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7853"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 7854"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef>" 7855 7856#. Tag: para 7857#: reference_raster.xml:3389 7858#, no-c-format 7859msgid "<para>Returns a point geometry of the pixel's upper-left corner.</para>" 7860msgstr "<para>ピクセルの左上隅のポイントジオメトリを返します。</para>" 7861 7862#. Tag: programlisting 7863#: reference_raster.xml:3395 7864#, no-c-format 7865msgid "" 7866"SELECT ST_AsText(ST_PixelAsPoint(rast, 1, 1)) FROM dummy_rast WHERE rid = " 7867"1;\n" 7868"\n" 7869" st_astext\n" 7870"----------------\n" 7871" POINT(0.5 0.5)" 7872msgstr "" 7873"SELECT ST_AsText(ST_PixelAsPoint(rast, 1, 1)) FROM dummy_rast WHERE rid = " 7874"1;\n" 7875"\n" 7876" st_astext\n" 7877"----------------\n" 7878" POINT(0.5 0.5)" 7879 7880#. Tag: para 7881#: reference_raster.xml:3400 7882#, no-c-format 7883msgid "" 7884", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 7885"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7886"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7887"\"/>" 7888msgstr "" 7889", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 7890"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoints\"/>, <xref " 7891"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 7892"\"/>" 7893 7894#. Tag: refname 7895#: reference_raster.xml:3414 7896#, no-c-format 7897msgid "ST_PixelAsPoints" 7898msgstr "ST_PixelAsPoints" 7899 7900#. Tag: refpurpose 7901#: reference_raster.xml:3415 7902#, no-c-format 7903msgid "" 7904"<refpurpose>Returns a point geometry for each pixel of a raster band along " 7905"with the value, the X and the Y raster coordinates of each pixel. The " 7906"coordinates of the point geometry are of the pixel's upper-left corner.</" 7907"refpurpose>" 7908msgstr "" 7909"<refpurpose>全てのピクセルについてポイントジオメトリを、ピクセルごとのピクセ" 7910"ル値とラスタ座標系のXとYとを付けて返します。ポイントジオメトリの座標はピクセ" 7911"ルの左上隅です。</refpurpose>" 7912 7913#. Tag: funcprototype 7914#: reference_raster.xml:3421 7915#, no-c-format 7916msgid "" 7917"<funcdef>setof record <function>ST_PixelAsPoints</function></funcdef> " 7918"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7919"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 7920"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7921"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 7922msgstr "" 7923"<funcdef>setof record <function>ST_PixelAsPoints</function></funcdef> " 7924"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 7925"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 7926"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 7927"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 7928 7929#. Tag: para 7930#: reference_raster.xml:3432 7931#, no-c-format 7932msgid "" 7933"<para>Returns a point geometry for each pixel of a raster band along with " 7934"the value, the X and the Y raster coordinates of each pixel. The coordinates " 7935"of the point geometry are of the pixel's upper-left corner.</para>" 7936msgstr "" 7937"<para>全てのピクセルについてポイントジオメトリを、ピクセルごとのピクセル値と" 7938"ラスタ座標系のXとYとを付けて返します。ポイントジオメトリの座標はピクセルの左" 7939"上隅です。</para>" 7940 7941#. Tag: programlisting 7942#: reference_raster.xml:3450 7943#, no-c-format 7944msgid "" 7945"SELECT x, y, val, ST_AsText(geom) FROM (SELECT (ST_PixelAsPoints(rast, 1)).* " 7946"FROM dummy_rast WHERE rid = 2) foo;\n" 7947"\n" 7948" x | y | val | st_astext\n" 7949"---+---+-----+------------------------------\n" 7950" 1 | 1 | 253 | POINT(3427927.75 5793244)\n" 7951" 2 | 1 | 254 | POINT(3427927.8 5793244)\n" 7952" 3 | 1 | 253 | POINT(3427927.85 5793244)\n" 7953" 4 | 1 | 254 | POINT(3427927.9 5793244)\n" 7954" 5 | 1 | 254 | POINT(3427927.95 5793244)\n" 7955" 1 | 2 | 253 | POINT(3427927.75 5793243.95)\n" 7956" 2 | 2 | 254 | POINT(3427927.8 5793243.95)\n" 7957" 3 | 2 | 254 | POINT(3427927.85 5793243.95)\n" 7958" 4 | 2 | 253 | POINT(3427927.9 5793243.95)\n" 7959" 5 | 2 | 249 | POINT(3427927.95 5793243.95)\n" 7960" 1 | 3 | 250 | POINT(3427927.75 5793243.9)\n" 7961" 2 | 3 | 254 | POINT(3427927.8 5793243.9)\n" 7962" 3 | 3 | 254 | POINT(3427927.85 5793243.9)\n" 7963" 4 | 3 | 252 | POINT(3427927.9 5793243.9)\n" 7964" 5 | 3 | 249 | POINT(3427927.95 5793243.9)\n" 7965" 1 | 4 | 251 | POINT(3427927.75 5793243.85)\n" 7966" 2 | 4 | 253 | POINT(3427927.8 5793243.85)\n" 7967" 3 | 4 | 254 | POINT(3427927.85 5793243.85)\n" 7968" 4 | 4 | 254 | POINT(3427927.9 5793243.85)\n" 7969" 5 | 4 | 253 | POINT(3427927.95 5793243.85)\n" 7970" 1 | 5 | 252 | POINT(3427927.75 5793243.8)\n" 7971" 2 | 5 | 250 | POINT(3427927.8 5793243.8)\n" 7972" 3 | 5 | 254 | POINT(3427927.85 5793243.8)\n" 7973" 4 | 5 | 254 | POINT(3427927.9 5793243.8)\n" 7974" 5 | 5 | 254 | POINT(3427927.95 5793243.8)" 7975msgstr "" 7976"SELECT x, y, val, ST_AsText(geom) FROM (SELECT (ST_PixelAsPoints(rast, 1)).* " 7977"FROM dummy_rast WHERE rid = 2) foo;\n" 7978"\n" 7979" x | y | val | st_astext\n" 7980"---+---+-----+------------------------------\n" 7981" 1 | 1 | 253 | POINT(3427927.75 5793244)\n" 7982" 2 | 1 | 254 | POINT(3427927.8 5793244)\n" 7983" 3 | 1 | 253 | POINT(3427927.85 5793244)\n" 7984" 4 | 1 | 254 | POINT(3427927.9 5793244)\n" 7985" 5 | 1 | 254 | POINT(3427927.95 5793244)\n" 7986" 1 | 2 | 253 | POINT(3427927.75 5793243.95)\n" 7987" 2 | 2 | 254 | POINT(3427927.8 5793243.95)\n" 7988" 3 | 2 | 254 | POINT(3427927.85 5793243.95)\n" 7989" 4 | 2 | 253 | POINT(3427927.9 5793243.95)\n" 7990" 5 | 2 | 249 | POINT(3427927.95 5793243.95)\n" 7991" 1 | 3 | 250 | POINT(3427927.75 5793243.9)\n" 7992" 2 | 3 | 254 | POINT(3427927.8 5793243.9)\n" 7993" 3 | 3 | 254 | POINT(3427927.85 5793243.9)\n" 7994" 4 | 3 | 252 | POINT(3427927.9 5793243.9)\n" 7995" 5 | 3 | 249 | POINT(3427927.95 5793243.9)\n" 7996" 1 | 4 | 251 | POINT(3427927.75 5793243.85)\n" 7997" 2 | 4 | 253 | POINT(3427927.8 5793243.85)\n" 7998" 3 | 4 | 254 | POINT(3427927.85 5793243.85)\n" 7999" 4 | 4 | 254 | POINT(3427927.9 5793243.85)\n" 8000" 5 | 4 | 253 | POINT(3427927.95 5793243.85)\n" 8001" 1 | 5 | 252 | POINT(3427927.75 5793243.8)\n" 8002" 2 | 5 | 250 | POINT(3427927.8 5793243.8)\n" 8003" 3 | 5 | 254 | POINT(3427927.85 5793243.8)\n" 8004" 4 | 5 | 254 | POINT(3427927.9 5793243.8)\n" 8005" 5 | 5 | 254 | POINT(3427927.95 5793243.8)" 8006 8007#. Tag: para 8008#: reference_raster.xml:3455 8009#, no-c-format 8010msgid "" 8011", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8012"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8013"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 8014"\"/>" 8015msgstr "" 8016", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8017"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8018"linkend=\"RT_ST_PixelAsCentroid\"/>, <xref linkend=\"RT_ST_PixelAsCentroids" 8019"\"/>" 8020 8021#. Tag: refname 8022#: reference_raster.xml:3469 8023#, no-c-format 8024msgid "ST_PixelAsCentroid" 8025msgstr "ST_PixelAsCentroid" 8026 8027#. Tag: refpurpose 8028#: reference_raster.xml:3470 8029#, no-c-format 8030msgid "" 8031"<refpurpose>Returns the centroid (point geometry) of the area represented by " 8032"a pixel.</refpurpose>" 8033msgstr "" 8034"<refpurpose>ピクセルで表現される面の重心 (ポイントジオメトリ)を返します。</" 8035"refpurpose>" 8036 8037#. Tag: funcprototype 8038#: reference_raster.xml:3476 8039#, no-c-format 8040msgid "" 8041"<funcdef>geometry <function>ST_PixelAsCentroid</function></funcdef> " 8042"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 8043"<paramdef><type>integer </type> <parameter>x</parameter></paramdef> " 8044"<paramdef><type>integer </type> <parameter>y</parameter></paramdef>" 8045msgstr "" 8046"<funcdef>geometry <function>ST_PixelAsCentroid</function></funcdef> " 8047"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 8048"<paramdef><type>integer </type> <parameter>x</parameter></paramdef> " 8049"<paramdef><type>integer </type> <parameter>y</parameter></paramdef>" 8050 8051#. Tag: para 8052#: reference_raster.xml:3487 8053#, no-c-format 8054msgid "" 8055"<para>Returns the centroid (point geometry) of the area represented by a " 8056"pixel.</para>" 8057msgstr "" 8058"<para>ピクセルで表現される面の重心 (ポイントジオメトリ)を返します。</para>" 8059 8060#. Tag: programlisting 8061#: reference_raster.xml:3493 8062#, no-c-format 8063msgid "" 8064"SELECT ST_AsText(ST_PixelAsCentroid(rast, 1, 1)) FROM dummy_rast WHERE rid = " 8065"1;\n" 8066"\n" 8067" st_astext\n" 8068"--------------\n" 8069" POINT(1.5 2)" 8070msgstr "" 8071"SELECT ST_AsText(ST_PixelAsCentroid(rast, 1, 1)) FROM dummy_rast WHERE rid = " 8072"1;\n" 8073"\n" 8074" st_astext\n" 8075"--------------\n" 8076" POINT(1.5 2)" 8077 8078#. Tag: para 8079#: reference_raster.xml:3498 8080#, no-c-format 8081msgid "" 8082", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8083"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8084"linkend=\"RT_ST_PixelAsPoints\"/>, <xref linkend=\"RT_ST_PixelAsCentroids\"/>" 8085msgstr "" 8086", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8087"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8088"linkend=\"RT_ST_PixelAsPoints\"/>, <xref linkend=\"RT_ST_PixelAsCentroids\"/>" 8089 8090#. Tag: refname 8091#: reference_raster.xml:3512 8092#, no-c-format 8093msgid "ST_PixelAsCentroids" 8094msgstr "ST_PixelAsCentroids" 8095 8096#. Tag: refpurpose 8097#: reference_raster.xml:3513 8098#, no-c-format 8099msgid "" 8100"<refpurpose>Returns the centroid (point geometry) for each pixel of a raster " 8101"band along with the value, the X and the Y raster coordinates of each pixel. " 8102"The point geometry is the centroid of the area represented by a pixel.</" 8103"refpurpose>" 8104msgstr "" 8105"<refpurpose>全てのピクセルについて重心 (ポイントジオメト)リを、ピクセルごとの" 8106"ピクセル値とラスタ座標系のXとYとを付けて返します。ポイントジオメトリの座標は" 8107"ピクセルで表現される面の重心です。</refpurpose>" 8108 8109#. Tag: funcprototype 8110#: reference_raster.xml:3519 8111#, no-c-format 8112msgid "" 8113"<funcdef>setof record <function>ST_PixelAsCentroids</function></funcdef> " 8114"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 8115"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 8116"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8117"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 8118msgstr "" 8119"<funcdef>setof record <function>ST_PixelAsCentroids</function></funcdef> " 8120"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 8121"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 8122"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8123"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 8124 8125#. Tag: para 8126#: reference_raster.xml:3530 8127#, no-c-format 8128msgid "" 8129"<para>Returns the centroid (point geometry) for each pixel of a raster band " 8130"along with the value, the X and the Y raster coordinates of each pixel. The " 8131"point geometry is the centroid of the area represented by a pixel.</para>" 8132msgstr "" 8133"<para>全てのピクセルについて重心 (ポイントジオメト)リを、ピクセルごとのピクセ" 8134"ル値とラスタ座標系のXとYとを付けて返します。ポイントジオメトリの座標はピクセ" 8135"ルで表現される面の重心です。</para>" 8136 8137#. Tag: programlisting 8138#: reference_raster.xml:3548 8139#, no-c-format 8140msgid "" 8141"--LATERAL syntax requires PostgreSQL 9.3+\n" 8142"SELECT x, y, val, ST_AsText(geom)\n" 8143" FROM (SELECT dp.* FROM dummy_rast, LATERAL ST_PixelAsCentroids(rast, " 8144"1) AS dp WHERE rid = 2) foo;\n" 8145" x | y | val | st_astext\n" 8146"---+---+-----+--------------------------------\n" 8147" 1 | 1 | 253 | POINT(3427927.775 5793243.975)\n" 8148" 2 | 1 | 254 | POINT(3427927.825 5793243.975)\n" 8149" 3 | 1 | 253 | POINT(3427927.875 5793243.975)\n" 8150" 4 | 1 | 254 | POINT(3427927.925 5793243.975)\n" 8151" 5 | 1 | 254 | POINT(3427927.975 5793243.975)\n" 8152" 1 | 2 | 253 | POINT(3427927.775 5793243.925)\n" 8153" 2 | 2 | 254 | POINT(3427927.825 5793243.925)\n" 8154" 3 | 2 | 254 | POINT(3427927.875 5793243.925)\n" 8155" 4 | 2 | 253 | POINT(3427927.925 5793243.925)\n" 8156" 5 | 2 | 249 | POINT(3427927.975 5793243.925)\n" 8157" 1 | 3 | 250 | POINT(3427927.775 5793243.875)\n" 8158" 2 | 3 | 254 | POINT(3427927.825 5793243.875)\n" 8159" 3 | 3 | 254 | POINT(3427927.875 5793243.875)\n" 8160" 4 | 3 | 252 | POINT(3427927.925 5793243.875)\n" 8161" 5 | 3 | 249 | POINT(3427927.975 5793243.875)\n" 8162" 1 | 4 | 251 | POINT(3427927.775 5793243.825)\n" 8163" 2 | 4 | 253 | POINT(3427927.825 5793243.825)\n" 8164" 3 | 4 | 254 | POINT(3427927.875 5793243.825)\n" 8165" 4 | 4 | 254 | POINT(3427927.925 5793243.825)\n" 8166" 5 | 4 | 253 | POINT(3427927.975 5793243.825)\n" 8167" 1 | 5 | 252 | POINT(3427927.775 5793243.775)\n" 8168" 2 | 5 | 250 | POINT(3427927.825 5793243.775)\n" 8169" 3 | 5 | 254 | POINT(3427927.875 5793243.775)\n" 8170" 4 | 5 | 254 | POINT(3427927.925 5793243.775)\n" 8171" 5 | 5 | 254 | POINT(3427927.975 5793243.775)" 8172msgstr "" 8173"-- LATERAL句を使うにはPostgreSQL 9.3以上が必要です\n" 8174"SELECT x, y, val, ST_AsText(geom)\n" 8175" FROM (SELECT dp.* FROM dummy_rast, LATERAL ST_PixelAsCentroids(rast, " 8176"1) AS dp WHERE rid = 2) foo;\n" 8177" x | y | val | st_astext\n" 8178"---+---+-----+--------------------------------\n" 8179" 1 | 1 | 253 | POINT(3427927.775 5793243.975)\n" 8180" 2 | 1 | 254 | POINT(3427927.825 5793243.975)\n" 8181" 3 | 1 | 253 | POINT(3427927.875 5793243.975)\n" 8182" 4 | 1 | 254 | POINT(3427927.925 5793243.975)\n" 8183" 5 | 1 | 254 | POINT(3427927.975 5793243.975)\n" 8184" 1 | 2 | 253 | POINT(3427927.775 5793243.925)\n" 8185" 2 | 2 | 254 | POINT(3427927.825 5793243.925)\n" 8186" 3 | 2 | 254 | POINT(3427927.875 5793243.925)\n" 8187" 4 | 2 | 253 | POINT(3427927.925 5793243.925)\n" 8188" 5 | 2 | 249 | POINT(3427927.975 5793243.925)\n" 8189" 1 | 3 | 250 | POINT(3427927.775 5793243.875)\n" 8190" 2 | 3 | 254 | POINT(3427927.825 5793243.875)\n" 8191" 3 | 3 | 254 | POINT(3427927.875 5793243.875)\n" 8192" 4 | 3 | 252 | POINT(3427927.925 5793243.875)\n" 8193" 5 | 3 | 249 | POINT(3427927.975 5793243.875)\n" 8194" 1 | 4 | 251 | POINT(3427927.775 5793243.825)\n" 8195" 2 | 4 | 253 | POINT(3427927.825 5793243.825)\n" 8196" 3 | 4 | 254 | POINT(3427927.875 5793243.825)\n" 8197" 4 | 4 | 254 | POINT(3427927.925 5793243.825)\n" 8198" 5 | 4 | 253 | POINT(3427927.975 5793243.825)\n" 8199" 1 | 5 | 252 | POINT(3427927.775 5793243.775)\n" 8200" 2 | 5 | 250 | POINT(3427927.825 5793243.775)\n" 8201" 3 | 5 | 254 | POINT(3427927.875 5793243.775)\n" 8202" 4 | 5 | 254 | POINT(3427927.925 5793243.775)\n" 8203" 5 | 5 | 254 | POINT(3427927.975 5793243.775)" 8204 8205#. Tag: para 8206#: reference_raster.xml:3553 8207#, no-c-format 8208msgid "" 8209", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8210"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8211"linkend=\"RT_ST_PixelAsPoints\"/>, <xref linkend=\"RT_ST_PixelAsCentroid\"/>" 8212msgstr "" 8213", <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=" 8214"\"RT_ST_PixelAsPolygons\"/>, <xref linkend=\"RT_ST_PixelAsPoint\"/>, <xref " 8215"linkend=\"RT_ST_PixelAsPoints\"/>, <xref linkend=\"RT_ST_PixelAsCentroid\"/>" 8216 8217#. Tag: refname 8218#: reference_raster.xml:3567 8219#, no-c-format 8220msgid "ST_Value" 8221msgstr "ST_Value" 8222 8223#. Tag: refpurpose 8224#: reference_raster.xml:3568 8225#, no-c-format 8226msgid "" 8227"Returns the value of a given band in a given columnx, rowy pixel or at a " 8228"particular geometric point. Band numbers start at 1 and assumed to be 1 if " 8229"not specified. If <varname>exclude_nodata_value</varname> is set to false, " 8230"then all pixels include <varname>nodata</varname> pixels are considered to " 8231"intersect and return value. If <varname>exclude_nodata_value</varname> is " 8232"not passed in then reads it from metadata of raster." 8233msgstr "" 8234"指定したバンドにおけるcolumnx, rowyで指定したピクセルまたは指定したジオメトリ" 8235"ポイントに対応するピクセルの値を返します。 バンド番号は1始まりで、指定しない" 8236"場合には、1番と仮定します。<varname>exclude_nodata_value</varname>がFALSEに設" 8237"定された場合には、NODATAピクセルを含む全てのピクセルがインタセクトするかが考" 8238"慮され、値を返します。<varname>exclude_nodata_value</varname>を渡さない場合に" 8239"は、ラスタのメタデータから読みます。" 8240 8241#. Tag: funcsynopsis 8242#: reference_raster.xml:3572 8243#, no-c-format 8244msgid "" 8245"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8246"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8247"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 8248"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8249"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8250"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8251"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8252"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 8253"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 8254"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8255"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8256"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8257"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8258"paramdef> <paramdef><type>integer </type> <parameter>x</parameter></" 8259"paramdef> <paramdef><type>integer </type> <parameter>y</parameter></" 8260"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8261"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8262"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8263"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8264"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 8265"paramdef> <paramdef><type>integer </type> <parameter>x</parameter></" 8266"paramdef> <paramdef><type>integer </type> <parameter>y</parameter></" 8267"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8268"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8269msgstr "" 8270"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8271"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8272"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 8273"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8274"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8275"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8276"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8277"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 8278"paramdef> <paramdef><type>geometry </type> <parameter>pt</parameter></" 8279"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8280"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8281"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8282"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8283"paramdef> <paramdef><type>integer </type> <parameter>x</parameter></" 8284"paramdef> <paramdef><type>integer </type> <parameter>y</parameter></" 8285"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8286"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8287"<funcprototype> <funcdef>double precision <function>ST_Value</function></" 8288"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 8289"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 8290"paramdef> <paramdef><type>integer </type> <parameter>x</parameter></" 8291"paramdef> <paramdef><type>integer </type> <parameter>y</parameter></" 8292"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8293"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8294 8295#. Tag: para 8296#: reference_raster.xml:3607 8297#, no-c-format 8298msgid "" 8299"Returns the value of a given band in a given columnx, rowy pixel or at a " 8300"given geometry point. Band numbers start at 1 and band is assumed to be 1 if " 8301"not specified. If <varname>exclude_nodata_value</varname> is set to true, " 8302"then only non <varname>nodata</varname> pixels are considered. If " 8303"<varname>exclude_nodata_value</varname> is set to false, then all pixels are " 8304"considered." 8305msgstr "" 8306"指定したバンドにおけるcolumnx, rowyで指定したピクセルまたは指定したジオメトリ" 8307"ポイントに対応するピクセルの値を返します。 バンド番号は1始まりで、指定しない" 8308"場合には、1番と仮定します。<varname>exclude_nodata_value</varname>がTRUEに設" 8309"定された場合には、非NODATAピクセルのみが考慮されます。" 8310"<varname>exclude_nodata_value</varname>がFALSEに設定された場合には、全てのピ" 8311"クセルが考慮されます。" 8312 8313#. Tag: para 8314#: reference_raster.xml:3610 8315#, no-c-format 8316msgid "Enhanced: 2.0.0 exclude_nodata_value optional argument was added." 8317msgstr "Enhanced: 2.0.0 任意引数exclude_nodata_valueが追加されました。" 8318 8319#. Tag: programlisting 8320#: reference_raster.xml:3615 8321#, no-c-format 8322msgid "" 8323"-- get raster values at particular postgis geometry points\n" 8324"-- the srid of your geometry should be same as for your raster\n" 8325"SELECT rid, ST_Value(rast, foo.pt_geom) As b1pval, ST_Value(rast, 2, foo." 8326"pt_geom) As b2pval\n" 8327"FROM dummy_rast CROSS JOIN (SELECT ST_SetSRID(ST_Point(3427927.77, " 8328"5793243.76), 0) As pt_geom) As foo\n" 8329"WHERE rid=2;\n" 8330"\n" 8331" rid | b1pval | b2pval\n" 8332"-----+--------+--------\n" 8333" 2 | 252 | 79\n" 8334"\n" 8335"\n" 8336"-- general fictitious example using a real table\n" 8337"SELECT rid, ST_Value(rast, 3, sometable.geom) As b3pval\n" 8338"FROM sometable\n" 8339"WHERE ST_Intersects(rast,sometable.geom);" 8340msgstr "" 8341"-- PostGISジオメトリポイントを指定してラスタの値を得ます\n" 8342"-- ジオメトリのSRIDはラスタと同じにします\n" 8343"SELECT rid, ST_Value(rast, foo.pt_geom) As b1pval, ST_Value(rast, 2, foo." 8344"pt_geom) As b2pval\n" 8345"FROM dummy_rast CROSS JOIN (SELECT ST_SetSRID(ST_Point(3427927.77, " 8346"5793243.76), 0) As pt_geom) As foo\n" 8347"WHERE rid=2;\n" 8348"\n" 8349" rid | b1pval | b2pval\n" 8350"-----+--------+--------\n" 8351" 2 | 252 | 79\n" 8352"\n" 8353"\n" 8354"-- 実際のテーブルを使った一般的な架空の例\n" 8355"SELECT rid, ST_Value(rast, 3, sometable.geom) As b3pval\n" 8356"FROM sometable\n" 8357"WHERE ST_Intersects(rast,sometable.geom);" 8358 8359#. Tag: programlisting 8360#: reference_raster.xml:3616 8361#, no-c-format 8362msgid "" 8363"SELECT rid, ST_Value(rast, 1, 1, 1) As b1pval,\n" 8364" ST_Value(rast, 2, 1, 1) As b2pval, ST_Value(rast, 3, 1, 1) As b3pval\n" 8365"FROM dummy_rast\n" 8366"WHERE rid=2;\n" 8367"\n" 8368" rid | b1pval | b2pval | b3pval\n" 8369"-----+--------+--------+--------\n" 8370" 2 | 253 | 78 | 70" 8371msgstr "" 8372"SELECT rid, ST_Value(rast, 1, 1, 1) As b1pval,\n" 8373" ST_Value(rast, 2, 1, 1) As b2pval, ST_Value(rast, 3, 1, 1) As b3pval\n" 8374"FROM dummy_rast\n" 8375"WHERE rid=2;\n" 8376"\n" 8377" rid | b1pval | b2pval | b3pval\n" 8378"-----+--------+--------+--------\n" 8379" 2 | 253 | 78 | 70" 8380 8381#. Tag: programlisting 8382#: reference_raster.xml:3618 8383#, no-c-format 8384msgid "" 8385"--- Get all values in bands 1,2,3 of each pixel --\n" 8386"SELECT x, y, ST_Value(rast, 1, x, y) As b1val,\n" 8387" ST_Value(rast, 2, x, y) As b2val, ST_Value(rast, 3, x, y) As b3val\n" 8388"FROM dummy_rast CROSS JOIN\n" 8389"generate_series(1, 1000) As x CROSS JOIN generate_series(1, 1000) As y\n" 8390"WHERE rid = 2 AND x <= ST_Width(rast) AND y <= ST_Height(rast);\n" 8391"\n" 8392" x | y | b1val | b2val | b3val\n" 8393"---+---+-------+-------+-------\n" 8394" 1 | 1 | 253 | 78 | 70\n" 8395" 1 | 2 | 253 | 96 | 80\n" 8396" 1 | 3 | 250 | 99 | 90\n" 8397" 1 | 4 | 251 | 89 | 77\n" 8398" 1 | 5 | 252 | 79 | 62\n" 8399" 2 | 1 | 254 | 98 | 86\n" 8400" 2 | 2 | 254 | 118 | 108\n" 8401" :\n" 8402" :" 8403msgstr "" 8404"-- 1番、2番、3番バンドの全ての値を得ます\n" 8405"SELECT x, y, ST_Value(rast, 1, x, y) As b1val,\n" 8406" ST_Value(rast, 2, x, y) As b2val, ST_Value(rast, 3, x, y) As b3val\n" 8407"FROM dummy_rast CROSS JOIN\n" 8408"generate_series(1, 1000) As x CROSS JOIN generate_series(1, 1000) As y\n" 8409"WHERE rid = 2 AND x <= ST_Width(rast) AND y <= ST_Height(rast);\n" 8410"\n" 8411" x | y | b1val | b2val | b3val\n" 8412"---+---+-------+-------+-------\n" 8413" 1 | 1 | 253 | 78 | 70\n" 8414" 1 | 2 | 253 | 96 | 80\n" 8415" 1 | 3 | 250 | 99 | 90\n" 8416" 1 | 4 | 251 | 89 | 77\n" 8417" 1 | 5 | 252 | 79 | 62\n" 8418" 2 | 1 | 254 | 98 | 86\n" 8419" 2 | 2 | 254 | 118 | 108\n" 8420" :\n" 8421" :" 8422 8423#. Tag: programlisting 8424#: reference_raster.xml:3620 8425#, no-c-format 8426msgid "" 8427"--- Get all values in bands 1,2,3 of each pixel same as above but returning " 8428"the upper left point point of each pixel --\n" 8429"SELECT ST_AsText(ST_SetSRID(\n" 8430" ST_Point(ST_UpperLeftX(rast) + ST_ScaleX(rast)*x,\n" 8431" ST_UpperLeftY(rast) + ST_ScaleY(rast)*y),\n" 8432" ST_SRID(rast))) As uplpt\n" 8433" , ST_Value(rast, 1, x, y) As b1val,\n" 8434" ST_Value(rast, 2, x, y) As b2val, ST_Value(rast, 3, x, y) As b3val\n" 8435"FROM dummy_rast CROSS JOIN\n" 8436"generate_series(1,1000) As x CROSS JOIN generate_series(1,1000) As y\n" 8437"WHERE rid = 2 AND x <= ST_Width(rast) AND y <= ST_Height(rast);\n" 8438"\n" 8439" uplpt | b1val | b2val | b3val\n" 8440"-----------------------------+-------+-------+-------\n" 8441" POINT(3427929.25 5793245.5) | 253 | 78 | 70\n" 8442" POINT(3427929.25 5793247) | 253 | 96 | 80\n" 8443" POINT(3427929.25 5793248.5) | 250 | 99 | 90\n" 8444":" 8445msgstr "" 8446"-- 上の例と同じに、1番、2番、3番バンドの全ての値を得ますが、\n" 8447"-- ピクセル毎の左上隅のポイントを返します\n" 8448"SELECT ST_AsText(ST_SetSRID(\n" 8449" ST_Point(ST_UpperLeftX(rast) + ST_ScaleX(rast)*x,\n" 8450" ST_UpperLeftY(rast) + ST_ScaleY(rast)*y),\n" 8451" ST_SRID(rast))) As uplpt\n" 8452" , ST_Value(rast, 1, x, y) As b1val,\n" 8453" ST_Value(rast, 2, x, y) As b2val, ST_Value(rast, 3, x, y) As b3val\n" 8454"FROM dummy_rast CROSS JOIN\n" 8455"generate_series(1,1000) As x CROSS JOIN generate_series(1,1000) As y\n" 8456"WHERE rid = 2 AND x <= ST_Width(rast) AND y <= ST_Height(rast);\n" 8457"\n" 8458" uplpt | b1val | b2val | b3val\n" 8459"-----------------------------+-------+-------+-------\n" 8460" POINT(3427929.25 5793245.5) | 253 | 78 | 70\n" 8461" POINT(3427929.25 5793247) | 253 | 96 | 80\n" 8462" POINT(3427929.25 5793248.5) | 250 | 99 | 90\n" 8463":" 8464 8465#. Tag: programlisting 8466#: reference_raster.xml:3621 8467#, no-c-format 8468msgid "" 8469"--- Get a polygon formed by union of all pixels\n" 8470" that fall in a particular value range and intersect particular " 8471"polygon --\n" 8472"SELECT ST_AsText(ST_Union(pixpolyg)) As shadow\n" 8473"FROM (SELECT ST_Translate(ST_MakeEnvelope(\n" 8474" ST_UpperLeftX(rast), ST_UpperLeftY(rast),\n" 8475" ST_UpperLeftX(rast) + ST_ScaleX(rast),\n" 8476" ST_UpperLeftY(rast) + ST_ScaleY(rast), 0\n" 8477" ), ST_ScaleX(rast)*x, ST_ScaleY(rast)*y\n" 8478" ) As pixpolyg, ST_Value(rast, 2, x, y) As b2val\n" 8479" FROM dummy_rast CROSS JOIN\n" 8480"generate_series(1,1000) As x CROSS JOIN generate_series(1,1000) As y\n" 8481"WHERE rid = 2\n" 8482" AND x <= ST_Width(rast) AND y <= ST_Height(rast)) As foo\n" 8483"WHERE\n" 8484" ST_Intersects(\n" 8485" pixpolyg,\n" 8486" ST_GeomFromText('POLYGON((3427928 5793244,3427927.75 " 8487"5793243.75,3427928 5793243.75,3427928 5793244))',0)\n" 8488" ) AND b2val != 254;\n" 8489"\n" 8490"\n" 8491" shadow\n" 8492"------------------------------------------------------------------------------------\n" 8493" MULTIPOLYGON(((3427928 5793243.9,3427928 5793243.85,3427927.95 " 8494"5793243.85,3427927.95 5793243.9,\n" 8495" 3427927.95 5793243.95,3427928 5793243.95,3427928.05 5793243.95,3427928.05 " 8496"5793243.9,3427928 5793243.9)),((3427927.95 5793243.9,3427927.95 579324\n" 8497"3.85,3427927.9 5793243.85,3427927.85 5793243.85,3427927.85 " 8498"5793243.9,3427927.9 5793243.9,3427927.9 5793243.95,\n" 8499"3427927.95 5793243.95,3427927.95 5793243.9)),((3427927.85 " 8500"5793243.75,3427927.85 5793243.7,3427927.8 5793243.7,3427927.8 5793243.75\n" 8501",3427927.8 5793243.8,3427927.8 5793243.85,3427927.85 5793243.85,3427927.85 " 8502"5793243.8,3427927.85 5793243.75)),\n" 8503"((3427928.05 5793243.75,3427928.05 5793243.7,3427928 5793243.7,3427927.95 " 8504"5793243.7,3427927.95 5793243.75,3427927.95 5793243.8,3427\n" 8505"927.95 5793243.85,3427928 5793243.85,3427928 5793243.8,3427928.05 " 8506"5793243.8,\n" 8507"3427928.05 5793243.75)),((3427927.95 5793243.75,3427927.95 " 8508"5793243.7,3427927.9 5793243.7,3427927.85 5793243.7,\n" 8509"3427927.85 5793243.75,3427927.85 5793243.8,3427927.85 5793243.85,3427927.9 " 8510"5793243.85,\n" 8511"3427927.95 5793243.85,3427927.95 5793243.8,3427927.95 5793243.75)))" 8512msgstr "" 8513"-- 指定した範囲内の値を持ち、指定したポリゴンにインタセクトするピクセルの\n" 8514"-- 全てを結合することによって形成されるポリゴンを得ます\n" 8515"SELECT ST_AsText(ST_Union(pixpolyg)) As shadow\n" 8516"FROM (SELECT ST_Translate(ST_MakeEnvelope(\n" 8517" ST_UpperLeftX(rast), ST_UpperLeftY(rast),\n" 8518" ST_UpperLeftX(rast) + ST_ScaleX(rast),\n" 8519" ST_UpperLeftY(rast) + ST_ScaleY(rast), 0\n" 8520" ), ST_ScaleX(rast)*x, ST_ScaleY(rast)*y\n" 8521" ) As pixpolyg, ST_Value(rast, 2, x, y) As b2val\n" 8522" FROM dummy_rast CROSS JOIN\n" 8523"generate_series(1,1000) As x CROSS JOIN generate_series(1,1000) As y\n" 8524"WHERE rid = 2\n" 8525" AND x <= ST_Width(rast) AND y <= ST_Height(rast)) As foo\n" 8526"WHERE\n" 8527" ST_Intersects(\n" 8528" pixpolyg,\n" 8529" ST_GeomFromText('POLYGON((3427928 5793244,3427927.75 " 8530"5793243.75,3427928 5793243.75,3427928 5793244))',0)\n" 8531" ) AND b2val != 254;\n" 8532"\n" 8533"\n" 8534" shadow\n" 8535"------------------------------------------------------------------------------------\n" 8536" MULTIPOLYGON(((3427928 5793243.9,3427928 5793243.85,3427927.95 " 8537"5793243.85,3427927.95 5793243.9,\n" 8538" 3427927.95 5793243.95,3427928 5793243.95,3427928.05 5793243.95,3427928.05 " 8539"5793243.9,3427928 5793243.9)),((3427927.95 5793243.9,3427927.95 579324\n" 8540"3.85,3427927.9 5793243.85,3427927.85 5793243.85,3427927.85 " 8541"5793243.9,3427927.9 5793243.9,3427927.9 5793243.95,\n" 8542"3427927.95 5793243.95,3427927.95 5793243.9)),((3427927.85 " 8543"5793243.75,3427927.85 5793243.7,3427927.8 5793243.7,3427927.8 5793243.75\n" 8544",3427927.8 5793243.8,3427927.8 5793243.85,3427927.85 5793243.85,3427927.85 " 8545"5793243.8,3427927.85 5793243.75)),\n" 8546"((3427928.05 5793243.75,3427928.05 5793243.7,3427928 5793243.7,3427927.95 " 8547"5793243.7,3427927.95 5793243.75,3427927.95 5793243.8,3427\n" 8548"927.95 5793243.85,3427928 5793243.85,3427928 5793243.8,3427928.05 " 8549"5793243.8,\n" 8550"3427928.05 5793243.75)),((3427927.95 5793243.75,3427927.95 " 8551"5793243.7,3427927.9 5793243.7,3427927.85 5793243.7,\n" 8552"3427927.85 5793243.75,3427927.85 5793243.8,3427927.85 5793243.85,3427927.9 " 8553"5793243.85,\n" 8554"3427927.95 5793243.85,3427927.95 5793243.8,3427927.95 5793243.75)))" 8555 8556#. Tag: programlisting 8557#: reference_raster.xml:3623 8558#, no-c-format 8559msgid "" 8560"--- Checking all the pixels of a large raster tile can take a long time.\n" 8561"--- You can dramatically improve speed at some lose of precision by orders " 8562"of magnitude\n" 8563"-- by sampling pixels using the step optional parameter of " 8564"generate_series.\n" 8565"-- This next example does the same as previous but by checking 1 for every " 8566"4 (2x2) pixels and putting in the last checked\n" 8567"-- putting in the checked pixel as the value for subsequent 4\n" 8568"\n" 8569"SELECT ST_AsText(ST_Union(pixpolyg)) As shadow\n" 8570"FROM (SELECT ST_Translate(ST_MakeEnvelope(\n" 8571" ST_UpperLeftX(rast), ST_UpperLeftY(rast),\n" 8572" ST_UpperLeftX(rast) + ST_ScaleX(rast)*2,\n" 8573" ST_UpperLeftY(rast) + ST_ScaleY(rast)*2, 0\n" 8574" ), ST_ScaleX(rast)*x, ST_ScaleY(rast)*y\n" 8575" ) As pixpolyg, ST_Value(rast, 2, x, y) As b2val\n" 8576" FROM dummy_rast CROSS JOIN\n" 8577"generate_series(1,1000,2) As x CROSS JOIN generate_series(1,1000,2) As y\n" 8578"WHERE rid = 2\n" 8579" AND x <= ST_Width(rast) AND y <= ST_Height(rast) ) As foo\n" 8580"WHERE\n" 8581" ST_Intersects(\n" 8582" pixpolyg,\n" 8583" ST_GeomFromText('POLYGON((3427928 5793244,3427927.75 " 8584"5793243.75,3427928 5793243.75,3427928 5793244))',0)\n" 8585" ) AND b2val != 254;\n" 8586"\n" 8587" shadow\n" 8588"------------------------------------------------------------------------------------\n" 8589" MULTIPOLYGON(((3427927.9 5793243.85,3427927.8 5793243.85,3427927.8 " 8590"5793243.95,\n" 8591" 3427927.9 5793243.95,3427928 5793243.95,3427928.1 5793243.95,3427928.1 " 8592"5793243.85,3427928 5793243.85,3427927.9 5793243.85)),\n" 8593" ((3427927.9 5793243.65,3427927.8 5793243.65,3427927.8 5793243.75,3427927.8 " 8594"5793243.85,3427927.9 5793243.85,\n" 8595" 3427928 5793243.85,3427928 5793243.75,3427928.1 5793243.75,3427928.1 " 8596"5793243.65,3427928 5793243.65,3427927.9 5793243.65)))" 8597msgstr "" 8598"-- 大きなラスタタイルの全てのピクセルをチェックは長時間かかります。\n" 8599"-- generate_seriesの任意引数stepを使用してサンプリングすることで、\n" 8600"-- 精度を大きく落としますが、劇的な速度改善が可能です。\n" 8601"-- 次の例では、前の例と同じことをしていますが、\n" 8602"-- 4 (2x2)ピクセルごとに1度チェックを行い、4ピクセルの値として置いていま" 8603"す。\n" 8604"\n" 8605"SELECT ST_AsText(ST_Union(pixpolyg)) As shadow\n" 8606"FROM (SELECT ST_Translate(ST_MakeEnvelope(\n" 8607" ST_UpperLeftX(rast), ST_UpperLeftY(rast),\n" 8608" ST_UpperLeftX(rast) + ST_ScaleX(rast)*2,\n" 8609" ST_UpperLeftY(rast) + ST_ScaleY(rast)*2, 0\n" 8610" ), ST_ScaleX(rast)*x, ST_ScaleY(rast)*y\n" 8611" ) As pixpolyg, ST_Value(rast, 2, x, y) As b2val\n" 8612" FROM dummy_rast CROSS JOIN\n" 8613"generate_series(1,1000,2) As x CROSS JOIN generate_series(1,1000,2) As y\n" 8614"WHERE rid = 2\n" 8615" AND x <= ST_Width(rast) AND y <= ST_Height(rast) ) As foo\n" 8616"WHERE\n" 8617" ST_Intersects(\n" 8618" pixpolyg,\n" 8619" ST_GeomFromText('POLYGON((3427928 5793244,3427927.75 " 8620"5793243.75,3427928 5793243.75,3427928 5793244))',0)\n" 8621" ) AND b2val != 254;\n" 8622"\n" 8623" shadow\n" 8624"------------------------------------------------------------------------------------\n" 8625" MULTIPOLYGON(((3427927.9 5793243.85,3427927.8 5793243.85,3427927.8 " 8626"5793243.95,\n" 8627" 3427927.9 5793243.95,3427928 5793243.95,3427928.1 5793243.95,3427928.1 " 8628"5793243.85,3427928 5793243.85,3427927.9 5793243.85)),\n" 8629" ((3427927.9 5793243.65,3427927.8 5793243.65,3427927.8 5793243.75,3427927.8 " 8630"5793243.85,3427927.9 5793243.85,\n" 8631" 3427928 5793243.85,3427928 5793243.75,3427928.1 5793243.75,3427928.1 " 8632"5793243.65,3427928 5793243.65,3427927.9 5793243.65)))" 8633 8634#. Tag: para 8635#: reference_raster.xml:3628 8636#, no-c-format 8637msgid "" 8638", <xref linkend=\"RT_ST_DumpAsPolygons\"/>, <xref linkend=\"RT_ST_NumBands\"/" 8639">, <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=\"RT_ST_ScaleX\"/" 8640">, <xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_ST_UpperLeftX\"/>, " 8641"<xref linkend=\"RT_ST_UpperLeftY\"/>, <xref linkend=\"RT_ST_SRID\"/>, <xref " 8642"linkend=\"ST_AsText\"/>, <xref linkend=\"ST_Point\"/>, <xref linkend=" 8643"\"ST_MakeEnvelope\"/>, <xref linkend=\"ST_Intersects\"/>, <xref linkend=" 8644"\"ST_Intersection\"/>" 8645msgstr "" 8646", <xref linkend=\"RT_ST_DumpAsPolygons\"/>, <xref linkend=\"RT_ST_NumBands\"/" 8647">, <xref linkend=\"RT_ST_PixelAsPolygon\"/>, <xref linkend=\"RT_ST_ScaleX\"/" 8648">, <xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_ST_UpperLeftX\"/>, " 8649"<xref linkend=\"RT_ST_UpperLeftY\"/>, <xref linkend=\"RT_ST_SRID\"/>, <xref " 8650"linkend=\"ST_AsText\"/>, <xref linkend=\"ST_Point\"/>, <xref linkend=" 8651"\"ST_MakeEnvelope\"/>, <xref linkend=\"ST_Intersects\"/>, <xref linkend=" 8652"\"ST_Intersection\"/>" 8653 8654#. Tag: refname 8655#: reference_raster.xml:3649 8656#, no-c-format 8657msgid "ST_NearestValue" 8658msgstr "ST_NearestValue" 8659 8660#. Tag: refpurpose 8661#: reference_raster.xml:3650 8662#, no-c-format 8663msgid "" 8664"Returns the nearest non-<varname>NODATA</varname> value of a given band's " 8665"pixel specified by a columnx and rowy or a geometric point expressed in the " 8666"same spatial reference coordinate system as the raster." 8667msgstr "" 8668"与えられたバンドの、columnxとrowyで指定されるか、またはラスタと同じ空間参照系" 8669"で表現されたポイントで指定されたピクセルに最も近い<varname>NODATA</varname>で" 8670"ない値を返します。" 8671 8672#. Tag: funcsynopsis 8673#: reference_raster.xml:3656 8674#, no-c-format 8675msgid "" 8676"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8677"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8678"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8679"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8680"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8681"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8682"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8683"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8684"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8685"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8686"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8687"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8688"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8689"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8690"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnx</" 8691"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowy</" 8692"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8693"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8694"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8695"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8696"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnx</" 8697"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowy</" 8698"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8699"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8700msgstr "" 8701"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8702"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8703"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8704"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8705"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8706"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8707"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8708"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8709"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8710"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8711"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8712"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8713"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8714"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8715"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnx</" 8716"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowy</" 8717"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8718"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8719"<funcprototype> <funcdef>double precision <function>ST_NearestValue</" 8720"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8721"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnx</" 8722"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowy</" 8723"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8724"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8725 8726#. Tag: para 8727#: reference_raster.xml:3693 8728#, no-c-format 8729msgid "" 8730"Returns the nearest non-<varname>NODATA</varname> value of a given band in a " 8731"given columnx, rowy pixel or at a specific geometric point. If the columnx, " 8732"rowy pixel or the pixel at the specified geometric point is <varname>NODATA</" 8733"varname>, the function will find the nearest pixel to the columnx, rowy " 8734"pixel or geometric point whose value is not <varname>NODATA</varname>." 8735msgstr "" 8736"与えられたバンドの、columnxとrowyで指定されるか、またはラスタと同じ空間参照系" 8737"で表現されたポイントで指定されたピクセルに最も近い<varname>NODATA</varname>で" 8738"ない値を返します。columnx, rowyピクセルまたは指定したジオメトリポイントのピク" 8739"セルが<varname>NODATA</varname>である場合には、この関数は、columnx, rowyピク" 8740"セルかジオメトリポイントのピクセルから最も近い<varname>NODATA</varname>.でな" 8741"いピクセルを探索します。" 8742 8743#. Tag: para 8744#: reference_raster.xml:3696 reference_raster.xml:3783 8745#, no-c-format 8746msgid "" 8747"Band numbers start at 1 and <varname>bandnum</varname> is assumed to be 1 if " 8748"not specified. If <varname>exclude_nodata_value</varname> is set to false, " 8749"then all pixels include <varname>nodata</varname> pixels are considered to " 8750"intersect and return value. If <varname>exclude_nodata_value</varname> is " 8751"not passed in then reads it from metadata of raster." 8752msgstr "" 8753"バンド番号は1始まりで、<varname>bandnum</varname>が指定されていない場合には、" 8754"1番と仮定します。<varname>exclude_nodata_value</varname>がFALSEに設定された場" 8755"合には、<varname>NODATA</varname>ピクセルを含む全てのピクセルがインタセクトす" 8756"るかが考慮され、値を返します。<varname>exclude_nodata_value</varname>を渡さな" 8757"い場合には、ラスタのメタデータから読みます。" 8758 8759#. Tag: para 8760#: reference_raster.xml:3701 8761#, no-c-format 8762msgid "ST_NearestValue is a drop-in replacement for ST_Value." 8763msgstr "ST_NearestValueはST_Valueと交換可能です。" 8764 8765#. Tag: programlisting 8766#: reference_raster.xml:3710 8767#, no-c-format 8768msgid "" 8769"-- pixel 2x2 has value\n" 8770"SELECT\n" 8771" ST_Value(rast, 2, 2) AS value,\n" 8772" ST_NearestValue(rast, 2, 2) AS nearestvalue\n" 8773"FROM (\n" 8774" SELECT\n" 8775" ST_SetValue(\n" 8776" ST_SetValue(\n" 8777" ST_SetValue(\n" 8778" ST_SetValue(\n" 8779" ST_SetValue(\n" 8780" ST_AddBand(\n" 8781" ST_MakeEmptyRaster(5, " 8782"5, -2, 2, 1, -1, 0, 0, 0),\n" 8783" '8BUI'::" 8784"text, 1, 0\n" 8785" ),\n" 8786" 1, 1, 0.\n" 8787" ),\n" 8788" 2, 3, 0.\n" 8789" ),\n" 8790" 3, 5, 0.\n" 8791" ),\n" 8792" 4, 2, 0.\n" 8793" ),\n" 8794" 5, 4, 0.\n" 8795" ) AS rast\n" 8796") AS foo\n" 8797"\n" 8798" value | nearestvalue\n" 8799"-------+--------------\n" 8800" 1 | 1" 8801msgstr "" 8802"-- 2,2ピクセルは値を持っています\n" 8803"SELECT\n" 8804" ST_Value(rast, 2, 2) AS value,\n" 8805" ST_NearestValue(rast, 2, 2) AS nearestvalue\n" 8806"FROM (\n" 8807" SELECT\n" 8808" ST_SetValue(\n" 8809" ST_SetValue(\n" 8810" ST_SetValue(\n" 8811" ST_SetValue(\n" 8812" ST_SetValue(\n" 8813" ST_AddBand(\n" 8814" ST_MakeEmptyRaster(5, " 8815"5, -2, 2, 1, -1, 0, 0, 0),\n" 8816" '8BUI'::" 8817"text, 1, 0\n" 8818" ),\n" 8819" 1, 1, 0.\n" 8820" ),\n" 8821" 2, 3, 0.\n" 8822" ),\n" 8823" 3, 5, 0.\n" 8824" ),\n" 8825" 4, 2, 0.\n" 8826" ),\n" 8827" 5, 4, 0.\n" 8828" ) AS rast\n" 8829") AS foo\n" 8830"\n" 8831" value | nearestvalue\n" 8832"-------+--------------\n" 8833" 1 | 1" 8834 8835#. Tag: programlisting 8836#: reference_raster.xml:3712 8837#, no-c-format 8838msgid "" 8839"-- pixel 2x3 is NODATA\n" 8840"SELECT\n" 8841" ST_Value(rast, 2, 3) AS value,\n" 8842" ST_NearestValue(rast, 2, 3) AS nearestvalue\n" 8843"FROM (\n" 8844" SELECT\n" 8845" ST_SetValue(\n" 8846" ST_SetValue(\n" 8847" ST_SetValue(\n" 8848" ST_SetValue(\n" 8849" ST_SetValue(\n" 8850" ST_AddBand(\n" 8851" ST_MakeEmptyRaster(5, " 8852"5, -2, 2, 1, -1, 0, 0, 0),\n" 8853" '8BUI'::" 8854"text, 1, 0\n" 8855" ),\n" 8856" 1, 1, 0.\n" 8857" ),\n" 8858" 2, 3, 0.\n" 8859" ),\n" 8860" 3, 5, 0.\n" 8861" ),\n" 8862" 4, 2, 0.\n" 8863" ),\n" 8864" 5, 4, 0.\n" 8865" ) AS rast\n" 8866") AS foo\n" 8867"\n" 8868" value | nearestvalue\n" 8869"-------+--------------\n" 8870" | 1" 8871msgstr "" 8872"-- 2,3ピクセルはNODATAです\n" 8873"SELECT\n" 8874" ST_Value(rast, 2, 3) AS value,\n" 8875" ST_NearestValue(rast, 2, 3) AS nearestvalue\n" 8876"FROM (\n" 8877" SELECT\n" 8878" ST_SetValue(\n" 8879" ST_SetValue(\n" 8880" ST_SetValue(\n" 8881" ST_SetValue(\n" 8882" ST_SetValue(\n" 8883" ST_AddBand(\n" 8884" ST_MakeEmptyRaster(5, " 8885"5, -2, 2, 1, -1, 0, 0, 0),\n" 8886" '8BUI'::" 8887"text, 1, 0\n" 8888" ),\n" 8889" 1, 1, 0.\n" 8890" ),\n" 8891" 2, 3, 0.\n" 8892" ),\n" 8893" 3, 5, 0.\n" 8894" ),\n" 8895" 4, 2, 0.\n" 8896" ),\n" 8897" 5, 4, 0.\n" 8898" ) AS rast\n" 8899") AS foo\n" 8900"\n" 8901" value | nearestvalue\n" 8902"-------+--------------\n" 8903" | 1" 8904 8905#. Tag: para 8906#: reference_raster.xml:3718 8907#, no-c-format 8908msgid ", <xref linkend=\"RT_ST_Value\"/>" 8909msgstr ", <xref linkend=\"RT_ST_Value\"/>" 8910 8911#. Tag: refname 8912#: reference_raster.xml:3728 8913#, no-c-format 8914msgid "ST_Neighborhood" 8915msgstr "ST_Neighborhood" 8916 8917#. Tag: refpurpose 8918#: reference_raster.xml:3729 8919#, no-c-format 8920msgid "" 8921"Returns a 2-D double precision array of the non-<varname>NODATA</varname> " 8922"values around a given band's pixel specified by either a columnX and rowY or " 8923"a geometric point expressed in the same spatial reference coordinate system " 8924"as the raster." 8925msgstr "" 8926"与えられたバンドのcolumnX, columnYか、ラスタと同じ空間参照系のジオメトリポイ" 8927"ントで指定されたピクセルの周囲にある、<varname>NODATA</varname>でない2次元倍" 8928"精度浮動小数点数配列を返します。" 8929 8930#. Tag: funcsynopsis 8931#: reference_raster.xml:3735 8932#, no-c-format 8933msgid "" 8934"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8935"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8936"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8937"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnX</" 8938"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowY</" 8939"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8940"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8941"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8942"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8943"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8944"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8945"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnX</" 8946"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowY</" 8947"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8948"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8949"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8950"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8951"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8952"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8953"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8954"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8955"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8956"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8957"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8958"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8959"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8960"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8961"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8962"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8963"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8964"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8965"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8966msgstr "" 8967"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8968"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8969"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8970"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnX</" 8971"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowY</" 8972"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8973"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8974"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8975"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8976"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8977"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8978"parameter></paramdef> <paramdef><type>integer </type> <parameter>columnX</" 8979"parameter></paramdef> <paramdef><type>integer </type> <parameter>rowY</" 8980"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8981"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8982"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8983"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8984"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8985"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8986"parameter></paramdef> <paramdef><type>integer </type> <parameter>bandnum</" 8987"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8988"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8989"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8990"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8991"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 8992"<funcprototype> <funcdef>double precision[][] <function>ST_Neighborhood</" 8993"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 8994"parameter></paramdef> <paramdef><type>geometry </type> <parameter>pt</" 8995"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceX</" 8996"parameter></paramdef> <paramdef><type>integer </type> <parameter>distanceY</" 8997"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 8998"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype>" 8999 9000#. Tag: para 9001#: reference_raster.xml:3780 9002#, no-c-format 9003msgid "" 9004"Returns a 2-D double precision array of the non-<varname>NODATA</varname> " 9005"values around a given band's pixel specified by either a columnX and rowY or " 9006"a geometric point expressed in the same spatial reference coordinate system " 9007"as the raster. The <varname>distanceX</varname> and <varname>distanceY</" 9008"varname> parameters define the number of pixels around the specified pixel " 9009"in the X and Y axes, e.g. I want all values within 3 pixel distance along " 9010"the X axis and 2 pixel distance along the Y axis around my pixel of " 9011"interest. The center value of the 2-D array will be the value at the pixel " 9012"specified by the columnX and rowY or the geometric point." 9013msgstr "" 9014"与えられたバンドのcolumnX, columnYか、ラスタと同じ空間参照系のジオメトリポイ" 9015"ントで指定されたピクセルの周囲にある、<varname>NODATA</varname>でない2次元倍" 9016"精度浮動小数点数配列を返します。<varname>distanceX</varname>と" 9017"<varname>distanceY</varname>引数は、たとえば、対象ピクセルからX軸に沿って3ピ" 9018"クセルとしてY軸に沿って2ピクセルというふうに、指定したピクセルの周囲のピクセ" 9019"ル数を、それぞれX方向とY方向に定義します。2次元配列の中心の値はcolumnX, " 9020"columnYまたはジオメトリポイントで指定したピクセルの値です。" 9021 9022#. Tag: para 9023#: reference_raster.xml:3787 9024#, no-c-format 9025msgid "" 9026"The number of elements along each axis of the returning 2-D array is 2 * " 9027"(<varname>distanceX</varname>|<varname>distanceY</varname>) + 1. So for a " 9028"<varname>distanceX</varname> and <varname>distanceY</varname> of 1, the " 9029"returning array will be 3x3." 9030msgstr "" 9031"返される2次元配列の各軸の要素数は2 * (<varname>distanceX</varname>|" 9032"<varname>distanceY</varname>) + 1です。<varname>distanceX</varname>と" 9033"<varname>distanceY</varname>を1にすると、3x3の配列が返ります。" 9034 9035#. Tag: para 9036#: reference_raster.xml:3792 9037#, no-c-format 9038msgid "" 9039"The 2-D array output can be passed to any of the raster processing builtin " 9040"functions, e.g. ST_Min4ma, ST_Sum4ma, ST_Mean4ma." 9041msgstr "" 9042"2次元配列の出力はST_Min4ma, ST_Sum4ma, ST_Mean4maといったあらゆるラスタ処理関" 9043"数に渡すことができます。" 9044 9045#. Tag: programlisting 9046#: reference_raster.xml:3802 9047#, no-c-format 9048msgid "" 9049"-- pixel 2x2 has value\n" 9050"SELECT\n" 9051" ST_Neighborhood(rast, 2, 2, 1, 1)\n" 9052"FROM (\n" 9053" SELECT\n" 9054" ST_SetValues(\n" 9055" ST_AddBand(\n" 9056" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9057"0),\n" 9058" '8BUI'::text, 1, 0\n" 9059" ),\n" 9060" 1, 1, 1, ARRAY[\n" 9061" [0, 1, 1, 1, 1],\n" 9062" [1, 1, 1, 0, 1],\n" 9063" [1, 0, 1, 1, 1],\n" 9064" [1, 1, 1, 1, 0],\n" 9065" [1, 1, 0, 1, 1]\n" 9066" ]::double precision[],\n" 9067" 1\n" 9068" ) AS rast\n" 9069") AS foo\n" 9070"\n" 9071" st_neighborhood\n" 9072"---------------------------------\n" 9073" {{NULL,1,1},{1,1,NULL},{1,1,1}}" 9074msgstr "" 9075"-- 2,3ピクセルは値を持っています\n" 9076"SELECT\n" 9077" ST_Neighborhood(rast, 2, 2, 1, 1)\n" 9078"FROM (\n" 9079" SELECT\n" 9080" ST_SetValues(\n" 9081" ST_AddBand(\n" 9082" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9083"0),\n" 9084" '8BUI'::text, 1, 0\n" 9085" ),\n" 9086" 1, 1, 1, ARRAY[\n" 9087" [0, 1, 1, 1, 1],\n" 9088" [1, 1, 1, 0, 1],\n" 9089" [1, 0, 1, 1, 1],\n" 9090" [1, 1, 1, 1, 0],\n" 9091" [1, 1, 0, 1, 1]\n" 9092" ]::double precision[],\n" 9093" 1\n" 9094" ) AS rast\n" 9095") AS foo\n" 9096"\n" 9097" st_neighborhood\n" 9098"---------------------------------\n" 9099" {{NULL,1,1},{1,1,NULL},{1,1,1}}" 9100 9101#. Tag: programlisting 9102#: reference_raster.xml:3804 9103#, no-c-format 9104msgid "" 9105"-- pixel 2x3 is NODATA\n" 9106"SELECT\n" 9107" ST_Neighborhood(rast, 2, 3, 1, 1)\n" 9108"FROM (\n" 9109" SELECT\n" 9110" ST_SetValues(\n" 9111" ST_AddBand(\n" 9112" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9113"0),\n" 9114" '8BUI'::text, 1, 0\n" 9115" ),\n" 9116" 1, 1, 1, ARRAY[\n" 9117" [0, 1, 1, 1, 1],\n" 9118" [1, 1, 1, 0, 1],\n" 9119" [1, 0, 1, 1, 1],\n" 9120" [1, 1, 1, 1, 0],\n" 9121" [1, 1, 0, 1, 1]\n" 9122" ]::double precision[],\n" 9123" 1\n" 9124" ) AS rast\n" 9125") AS foo\n" 9126"\n" 9127" st_neighborhood\n" 9128"------------------------------\n" 9129" {{1,1,1},{1,NULL,1},{1,1,1}}" 9130msgstr "" 9131"-- 2,3ピクセルはNODATAです\n" 9132"SELECT\n" 9133" ST_Neighborhood(rast, 2, 3, 1, 1)\n" 9134"FROM (\n" 9135" SELECT\n" 9136" ST_SetValues(\n" 9137" ST_AddBand(\n" 9138" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9139"0),\n" 9140" '8BUI'::text, 1, 0\n" 9141" ),\n" 9142" 1, 1, 1, ARRAY[\n" 9143" [0, 1, 1, 1, 1],\n" 9144" [1, 1, 1, 0, 1],\n" 9145" [1, 0, 1, 1, 1],\n" 9146" [1, 1, 1, 1, 0],\n" 9147" [1, 1, 0, 1, 1]\n" 9148" ]::double precision[],\n" 9149" 1\n" 9150" ) AS rast\n" 9151") AS foo\n" 9152"\n" 9153" st_neighborhood\n" 9154"------------------------------\n" 9155" {{1,1,1},{1,NULL,1},{1,1,1}}" 9156 9157#. Tag: programlisting 9158#: reference_raster.xml:3806 9159#, no-c-format 9160msgid "" 9161"-- pixel 3x3 has value\n" 9162"-- exclude_nodata_value = FALSE\n" 9163"SELECT\n" 9164" ST_Neighborhood(rast, 3, 3, 1, 1, false)\n" 9165"FROM (\n" 9166" ST_SetValues(\n" 9167" ST_AddBand(\n" 9168" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9169"0),\n" 9170" '8BUI'::text, 1, 0\n" 9171" ),\n" 9172" 1, 1, 1, ARRAY[\n" 9173" [0, 1, 1, 1, 1],\n" 9174" [1, 1, 1, 0, 1],\n" 9175" [1, 0, 1, 1, 1],\n" 9176" [1, 1, 1, 1, 0],\n" 9177" [1, 1, 0, 1, 1]\n" 9178" ]::double precision[],\n" 9179" 1\n" 9180" ) AS rast\n" 9181") AS foo\n" 9182"\n" 9183" st_neighborhood\n" 9184"---------------------------\n" 9185" {{1,0,1},{1,1,1},{0,1,1}}" 9186msgstr "" 9187"-- 2,3ピクセルは値を持っています\n" 9188"-- exclude_nodata_value = FALSE\n" 9189"SELECT\n" 9190" ST_Neighborhood(rast, 3, 3, 1, 1, false)\n" 9191"FROM (\n" 9192" ST_SetValues(\n" 9193" ST_AddBand(\n" 9194" ST_MakeEmptyRaster(5, 5, -2, 2, 1, -1, 0, 0, " 9195"0),\n" 9196" '8BUI'::text, 1, 0\n" 9197" ),\n" 9198" 1, 1, 1, ARRAY[\n" 9199" [0, 1, 1, 1, 1],\n" 9200" [1, 1, 1, 0, 1],\n" 9201" [1, 0, 1, 1, 1],\n" 9202" [1, 1, 1, 1, 0],\n" 9203" [1, 1, 0, 1, 1]\n" 9204" ]::double precision[],\n" 9205" 1\n" 9206" ) AS rast\n" 9207") AS foo\n" 9208"\n" 9209" st_neighborhood\n" 9210"---------------------------\n" 9211" {{1,0,1},{1,1,1},{0,1,1}}" 9212 9213#. Tag: para 9214#: reference_raster.xml:3812 9215#, no-c-format 9216msgid "" 9217", <xref linkend=\"RT_ST_Min4ma\"/>, <xref linkend=\"RT_ST_Max4ma\"/>, <xref " 9218"linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref linkend=" 9219"\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref linkend=" 9220"\"RT_ST_StdDev4ma\"/>" 9221msgstr "" 9222", <xref linkend=\"RT_ST_Min4ma\"/>, <xref linkend=\"RT_ST_Max4ma\"/>, <xref " 9223"linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref linkend=" 9224"\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref linkend=" 9225"\"RT_ST_StdDev4ma\"/>" 9226 9227#. Tag: refname 9228#: reference_raster.xml:3829 9229#, no-c-format 9230msgid "ST_SetValue" 9231msgstr "ST_SetValue" 9232 9233#. Tag: refpurpose 9234#: reference_raster.xml:3830 9235#, no-c-format 9236msgid "" 9237"Returns modified raster resulting from setting the value of a given band in " 9238"a given columnx, rowy pixel or the pixels that intersect a particular " 9239"geometry. Band numbers start at 1 and assumed to be 1 if not specified." 9240msgstr "" 9241"与えられたバンドのcolumnX, columnYか、ラスタと同じ空間参照系のジオメトリポイ" 9242"ントで指定されたピクセルの値または指定したジオメトリとインタセクトするピクセ" 9243"ル群の値を設定することから得られる、変更されたラスタを返します。バンド番号は1" 9244"始まりで、指定しない場合には、1番と仮定します。" 9245 9246#. Tag: funcsynopsis 9247#: reference_raster.xml:3834 9248#, no-c-format 9249msgid "" 9250"<funcprototype> <funcdef>raster <function>ST_SetValue</function></funcdef> " 9251"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9252"<paramdef><type>integer </type> <parameter>bandnum</parameter></paramdef> " 9253"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 9254"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9255"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9256"<function>ST_SetValue</function></funcdef> <paramdef><type>raster </type> " 9257"<parameter>rast</parameter></paramdef> <paramdef><type>geometry </type> " 9258"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 9259"type> <parameter>newvalue</parameter></paramdef> </funcprototype> " 9260"<funcprototype> <funcdef>raster <function>ST_SetValue</function></funcdef> " 9261"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9262"<paramdef><type>integer </type> <parameter>bandnum</parameter></paramdef> " 9263"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9264"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9265"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9266"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9267"<function>ST_SetValue</function></funcdef> <paramdef><type>raster </type> " 9268"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 9269"<parameter>columnx</parameter></paramdef> <paramdef><type>integer </type> " 9270"<parameter>rowy</parameter></paramdef> <paramdef><type>double precision </" 9271"type> <parameter>newvalue</parameter></paramdef> </funcprototype>" 9272msgstr "" 9273"<funcprototype> <funcdef>raster <function>ST_SetValue</function></funcdef> " 9274"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9275"<paramdef><type>integer </type> <parameter>bandnum</parameter></paramdef> " 9276"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 9277"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9278"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9279"<function>ST_SetValue</function></funcdef> <paramdef><type>raster </type> " 9280"<parameter>rast</parameter></paramdef> <paramdef><type>geometry </type> " 9281"<parameter>geom</parameter></paramdef> <paramdef><type>double precision </" 9282"type> <parameter>newvalue</parameter></paramdef> </funcprototype> " 9283"<funcprototype> <funcdef>raster <function>ST_SetValue</function></funcdef> " 9284"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9285"<paramdef><type>integer </type> <parameter>bandnum</parameter></paramdef> " 9286"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9287"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9288"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9289"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9290"<function>ST_SetValue</function></funcdef> <paramdef><type>raster </type> " 9291"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 9292"<parameter>columnx</parameter></paramdef> <paramdef><type>integer </type> " 9293"<parameter>rowy</parameter></paramdef> <paramdef><type>double precision </" 9294"type> <parameter>newvalue</parameter></paramdef> </funcprototype>" 9295 9296#. Tag: para 9297#: reference_raster.xml:3868 9298#, no-c-format 9299msgid "" 9300"Returns modified raster resulting from setting the specified pixels' values " 9301"to new value for the designated band given the raster's row and column or a " 9302"geometry. If no band is specified, then band 1 is assumed." 9303msgstr "" 9304"指定されたバンドの、与えられたラスタの行と列またはジオメトリで指定したピクセ" 9305"ルの値を新しい値に設定することで得られる、変更したラスタを返します。バンドが" 9306"指定されいていない場合には、1番と仮定します。" 9307 9308#. Tag: para 9309#: reference_raster.xml:3871 9310#, no-c-format 9311msgid "" 9312"Enhanced: 2.1.0 Geometry variant of ST_SetValue() now supports any geometry " 9313"type, not just point. The geometry variant is a wrapper around the geomval[] " 9314"variant of ST_SetValues()" 9315msgstr "" 9316"Enhanced: 2.1.0 ST_SetValueでジオメトリを用いる形式が、ポイントだけでなくあら" 9317"ゆるジオメトリタイプに対応するようになりました。ジオメトリを用いる形式は" 9318"ST_SetValuesのgeomval[]を用いる形式をラップしたものです。" 9319 9320#. Tag: programlisting 9321#: reference_raster.xml:3877 9322#, no-c-format 9323msgid "" 9324"-- Geometry example\n" 9325"SELECT (foo.geomval).val, ST_AsText(ST_Union((foo.geomval).geom))\n" 9326"FROM (SELECT ST_DumpAsPolygons(\n" 9327" ST_SetValue(rast,1,\n" 9328" ST_Point(3427927.75, 5793243.95),\n" 9329" 50)\n" 9330" ) As geomval\n" 9331"FROM dummy_rast\n" 9332"where rid = 2) As foo\n" 9333"WHERE (foo.geomval).val < 250\n" 9334"GROUP BY (foo.geomval).val;\n" 9335"\n" 9336" val | st_astext\n" 9337"-----+-------------------------------------------------------------------\n" 9338" 50 | POLYGON((3427927.75 5793244,3427927.75 5793243.95,3427927.8 " 9339"579324 ...\n" 9340" 249 | POLYGON((3427927.95 5793243.95,3427927.95 5793243.85,3427928 57932 ..." 9341msgstr "" 9342"-- ジオメトリの例\n" 9343"SELECT (foo.geomval).val, ST_AsText(ST_Union((foo.geomval).geom))\n" 9344"FROM (SELECT ST_DumpAsPolygons(\n" 9345" ST_SetValue(rast,1,\n" 9346" ST_Point(3427927.75, 5793243.95),\n" 9347" 50)\n" 9348" ) As geomval\n" 9349"FROM dummy_rast\n" 9350"where rid = 2) As foo\n" 9351"WHERE (foo.geomval).val < 250\n" 9352"GROUP BY (foo.geomval).val;\n" 9353"\n" 9354" val | st_astext\n" 9355"-----+-------------------------------------------------------------------\n" 9356" 50 | POLYGON((3427927.75 5793244,3427927.75 5793243.95,3427927.8 " 9357"579324 ...\n" 9358" 249 | POLYGON((3427927.95 5793243.95,3427927.95 5793243.85,3427928 57932 ..." 9359 9360#. Tag: programlisting 9361#: reference_raster.xml:3879 9362#, no-c-format 9363msgid "" 9364"-- Store the changed raster --\n" 9365" UPDATE dummy_rast SET rast = ST_SetValue(rast,1, " 9366"ST_Point(3427927.75, 5793243.95),100)\n" 9367" WHERE rid = 2 ;" 9368msgstr "" 9369"-- 変更したラスタの格納 --\n" 9370" UPDATE dummy_rast SET rast = ST_SetValue(rast,1, " 9371"ST_Point(3427927.75, 5793243.95),100)\n" 9372" WHERE rid = 2 ;" 9373 9374#. Tag: para 9375#: reference_raster.xml:3883 reference_raster.xml:9961 9376#, no-c-format 9377msgid ", <xref linkend=\"RT_ST_DumpAsPolygons\"/>" 9378msgstr ", <xref linkend=\"RT_ST_DumpAsPolygons\"/>" 9379 9380#. Tag: refname 9381#: reference_raster.xml:3889 9382#, no-c-format 9383msgid "ST_SetValues" 9384msgstr "ST_SetValues" 9385 9386#. Tag: refpurpose 9387#: reference_raster.xml:3890 9388#, no-c-format 9389msgid "" 9390"Returns modified raster resulting from setting the values of a given band." 9391msgstr "与えられたバンドに複数の値を設定して、変更されたラスタを返します。" 9392 9393#. Tag: funcsynopsis 9394#: reference_raster.xml:3894 9395#, no-c-format 9396msgid "" 9397"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9398"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9399"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9400"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9401"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9402"<paramdef><type>double precision[][] </type> <parameter>newvalueset</" 9403"parameter></paramdef> <paramdef><type>boolean[][] </type> " 9404"<parameter>noset=NULL</parameter></paramdef> <paramdef><type>boolean </type> " 9405"<parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9406"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9407"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9408"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9409"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9410"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9411"<paramdef><type>double precision[][] </type> <parameter>newvalueset</" 9412"parameter></paramdef> <paramdef><type>double precision </type> " 9413"<parameter>nosetvalue</parameter></paramdef> <paramdef><type>boolean </type> " 9414"<parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9415"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9416"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9417"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9418"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9419"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9420"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 9421"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 9422"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9423"paramdef> <paramdef><type>boolean </type> <parameter>keepnodata=FALSE</" 9424"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9425"<function>ST_SetValues</function></funcdef> <paramdef><type>raster </type> " 9426"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 9427"<parameter>columnx</parameter></paramdef> <paramdef><type>integer </type> " 9428"<parameter>rowy</parameter></paramdef> <paramdef><type>integer </type> " 9429"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 9430"<parameter>height</parameter></paramdef> <paramdef><type>double precision </" 9431"type> <parameter>newvalue</parameter></paramdef> <paramdef><type>boolean </" 9432"type> <parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9433"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9434"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9435"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9436"<paramdef><type>geomval[] </type> <parameter>geomvalset</parameter></" 9437"paramdef> <paramdef><type>boolean </type> <parameter>keepnodata=FALSE</" 9438"parameter></paramdef> </funcprototype>" 9439msgstr "" 9440"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9441"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9442"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9443"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9444"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9445"<paramdef><type>double precision[][] </type> <parameter>newvalueset</" 9446"parameter></paramdef> <paramdef><type>boolean[][] </type> " 9447"<parameter>noset=NULL</parameter></paramdef> <paramdef><type>boolean </type> " 9448"<parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9449"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9450"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9451"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9452"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9453"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9454"<paramdef><type>double precision[][] </type> <parameter>newvalueset</" 9455"parameter></paramdef> <paramdef><type>double precision </type> " 9456"<parameter>nosetvalue</parameter></paramdef> <paramdef><type>boolean </type> " 9457"<parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9458"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9459"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9460"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9461"<paramdef><type>integer </type> <parameter>columnx</parameter></paramdef> " 9462"<paramdef><type>integer </type> <parameter>rowy</parameter></paramdef> " 9463"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 9464"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 9465"<paramdef><type>double precision </type> <parameter>newvalue</parameter></" 9466"paramdef> <paramdef><type>boolean </type> <parameter>keepnodata=FALSE</" 9467"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 9468"<function>ST_SetValues</function></funcdef> <paramdef><type>raster </type> " 9469"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 9470"<parameter>columnx</parameter></paramdef> <paramdef><type>integer </type> " 9471"<parameter>rowy</parameter></paramdef> <paramdef><type>integer </type> " 9472"<parameter>width</parameter></paramdef> <paramdef><type>integer </type> " 9473"<parameter>height</parameter></paramdef> <paramdef><type>double precision </" 9474"type> <parameter>newvalue</parameter></paramdef> <paramdef><type>boolean </" 9475"type> <parameter>keepnodata=FALSE</parameter></paramdef> </funcprototype> " 9476"<funcprototype> <funcdef>raster <function>ST_SetValues</function></funcdef> " 9477"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 9478"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 9479"<paramdef><type>geomval[] </type> <parameter>geomvalset</parameter></" 9480"paramdef> <paramdef><type>boolean </type> <parameter>keepnodata=FALSE</" 9481"parameter></paramdef> </funcprototype>" 9482 9483#. Tag: para 9484#: reference_raster.xml:3953 9485#, fuzzy, no-c-format 9486msgid "" 9487"Returns modified raster resulting from setting specified pixels to new " 9488"value(s) for the designated band. <varname>columnx</varname> and " 9489"<varname>rowy</varname> are 1-indexed." 9490msgstr "指定されたバンドに値を設定して、変更されたラスタを返します。" 9491 9492#. Tag: para 9493#: reference_raster.xml:3957 9494#, no-c-format 9495msgid "" 9496"If <varname>keepnodata</varname> is TRUE, those pixels whose values are " 9497"NODATA will not be set with the corresponding value in <varname>newvalueset</" 9498"varname>." 9499msgstr "" 9500"<varname>keepnodata</varname>がTRUEの場合には、NODATA値を持つピクセルは" 9501"<varname>newvalueset</varname>に一致する値に設定しません。" 9502 9503#. Tag: para 9504#: reference_raster.xml:3961 9505#, no-c-format 9506msgid "" 9507"For Variant 1, the specific pixels to be set are determined by the " 9508"<varname>columnx</varname>, <varname>rowy</varname> pixel coordinates and " 9509"the dimensions of the <varname>newvalueset</varname> array. <varname>noset</" 9510"varname> can be used to prevent pixels with values present in " 9511"<varname>newvalueset</varname> from being set (due to PostgreSQL not " 9512"permitting ragged/jagged arrays). See example Variant 1." 9513msgstr "" 9514"一つ目の形式では、設定するピクセルを<varname>columnx</varname>, " 9515"<varname>rowy</varname>のピクセル座標で決定し、 範囲を<varname>newvalueset</" 9516"varname>配列で決定します。<varname>noset</varname>によって、ピクセルを" 9517"<varname>newvalueset</varname>内にある値で、一部を設定されないようにすること" 9518"ができます (PostgreSQLは不調和配列、ジャグ配列を許さないため)。一つ目の形式の" 9519"例をご覧ください。" 9520 9521#. Tag: para 9522#: reference_raster.xml:3965 9523#, no-c-format 9524msgid "" 9525"Variant 2 is like Variant 1 but with a simple double precision " 9526"<varname>nosetvalue</varname> instead of a boolean <varname>noset</varname> " 9527"array. Elements in <varname>newvalueset</varname> with the " 9528"<varname>nosetvalue</varname> value with be skipped. See example Variant 2." 9529msgstr "" 9530"二つ目の形式では、一つ目の形式と似ていますが、倍精度浮動小数点数のスカラ値で" 9531"ある<varname>nosetvalue</varname>を<varname>noset</varname>配列の代わりに使う" 9532"点が違います。<varname>nosetvalue</varname>の値になる<varname>newvalueset</" 9533"varname>内の要素の設定は行いません。二つ目の形式の例をご覧下さい。" 9534 9535#. Tag: para 9536#: reference_raster.xml:3969 9537#, no-c-format 9538msgid "" 9539"For Variant 3, the specific pixels to be set are determined by the " 9540"<varname>columnx</varname>, <varname>rowy</varname> pixel coordinates, " 9541"<varname>width</varname> and <varname>height</varname>. See example Variant " 9542"3." 9543msgstr "" 9544"三つ目の形式では、設定するピクセルを<varname>columnx</varname>, " 9545"<varname>rowy</varname>のピクセル座標と<varname>width</varname>, " 9546"<varname>height</varname>.で決定します。三つ目の形式の例をご覧ください。" 9547 9548#. Tag: para 9549#: reference_raster.xml:3973 9550#, no-c-format 9551msgid "" 9552"Variant 4 is the same as Variant 3 with the exception that it assumes that " 9553"the first band's pixels of <varname>rast</varname> will be set." 9554msgstr "" 9555"四つ目の形式では、<varname>rast</varname>の1番バンドのピクセルを設定すると仮" 9556"定する点を除いては、三つ目の形式と同じです。" 9557 9558#. Tag: para 9559#: reference_raster.xml:3977 9560#, no-c-format 9561msgid "" 9562"For Variant 5, an array of <xref linkend=\"geomval\"/> is used to determine " 9563"the specific pixels to be set. If all the geometries in the array are of " 9564"type POINT or MULTIPOINT, the function uses a shortcut where the longitude " 9565"and latitude of each point is used to set a pixel directly. Otherwise, the " 9566"geometries are converted to rasters and then iterated through in one pass. " 9567"See example Variant 5." 9568msgstr "" 9569"五つ目の形式では、設定するピクセルを<xref linkend=\"geomval\"/>の配列で決定し" 9570"ます。配列内の全てのジオメトリのタイプがPOINTまたはMULTIPOINTである場合には、" 9571"ポイントごとの経度と緯度がピクセルの設定に直接使うためのショートカットに使わ" 9572"れます。他の場合には、ジオメトリはラスタに変換され一つずつ渡されます。五つ目" 9573"の形式の例をご覧下さい。" 9574 9575#. Tag: programlisting 9576#: reference_raster.xml:3988 9577#, no-c-format 9578msgid "" 9579"/*\n" 9580"The ST_SetValues() does the following...\n" 9581"\n" 9582"+ - + - + - + + - + - + - +\n" 9583"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 9584"+ - + - + - + + - + - + - +\n" 9585"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 9586"+ - + - + - + + - + - + - +\n" 9587"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 9588"+ - + - + - + + - + - + - +\n" 9589"*/\n" 9590"SELECT\n" 9591" (poly).x,\n" 9592" (poly).y,\n" 9593" (poly).val\n" 9594"FROM (\n" 9595"SELECT\n" 9596" ST_PixelAsPolygons(\n" 9597" ST_SetValues(\n" 9598" ST_AddBand(\n" 9599" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9600"0),\n" 9601" 1, '8BUI', 1, 0\n" 9602" ),\n" 9603" 1, 2, 2, ARRAY[[9, 9], [9, 9]]::double precision[]" 9604"[]\n" 9605" )\n" 9606" ) AS poly\n" 9607") foo\n" 9608"ORDER BY 1, 2;\n" 9609"\n" 9610" x | y | val\n" 9611"---+---+-----\n" 9612" 1 | 1 | 1\n" 9613" 1 | 2 | 1\n" 9614" 1 | 3 | 1\n" 9615" 2 | 1 | 1\n" 9616" 2 | 2 | 9\n" 9617" 2 | 3 | 9\n" 9618" 3 | 1 | 1\n" 9619" 3 | 2 | 9\n" 9620" 3 | 3 | 9" 9621msgstr "" 9622"/*\n" 9623"ST_SetValues()によって次のように書き換わります\n" 9624"\n" 9625"+ - + - + - + + - + - + - +\n" 9626"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 9627"+ - + - + - + + - + - + - +\n" 9628"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 9629"+ - + - + - + + - + - + - +\n" 9630"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 9631"+ - + - + - + + - + - + - +\n" 9632"*/\n" 9633"SELECT\n" 9634" (poly).x,\n" 9635" (poly).y,\n" 9636" (poly).val\n" 9637"FROM (\n" 9638"SELECT\n" 9639" ST_PixelAsPolygons(\n" 9640" ST_SetValues(\n" 9641" ST_AddBand(\n" 9642" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9643"0),\n" 9644" 1, '8BUI', 1, 0\n" 9645" ),\n" 9646" 1, 2, 2, ARRAY[[9, 9], [9, 9]]::double precision[]" 9647"[]\n" 9648" )\n" 9649" ) AS poly\n" 9650") foo\n" 9651"ORDER BY 1, 2;\n" 9652"\n" 9653" x | y | val\n" 9654"---+---+-----\n" 9655" 1 | 1 | 1\n" 9656" 1 | 2 | 1\n" 9657" 1 | 3 | 1\n" 9658" 2 | 1 | 1\n" 9659" 2 | 2 | 9\n" 9660" 2 | 3 | 9\n" 9661" 3 | 1 | 1\n" 9662" 3 | 2 | 9\n" 9663" 3 | 3 | 9" 9664 9665#. Tag: programlisting 9666#: reference_raster.xml:3990 9667#, no-c-format 9668msgid "" 9669"/*\n" 9670"The ST_SetValues() does the following...\n" 9671"\n" 9672"+ - + - + - + + - + - + - +\n" 9673"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9674"+ - + - + - + + - + - + - +\n" 9675"| 1 | 1 | 1 | => | 9 | | 9 |\n" 9676"+ - + - + - + + - + - + - +\n" 9677"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9678"+ - + - + - + + - + - + - +\n" 9679"*/\n" 9680"SELECT\n" 9681" (poly).x,\n" 9682" (poly).y,\n" 9683" (poly).val\n" 9684"FROM (\n" 9685"SELECT\n" 9686" ST_PixelAsPolygons(\n" 9687" ST_SetValues(\n" 9688" ST_AddBand(\n" 9689" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9690"0),\n" 9691" 1, '8BUI', 1, 0\n" 9692" ),\n" 9693" 1, 1, 1, ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9694"double precision[][]\n" 9695" )\n" 9696" ) AS poly\n" 9697") foo\n" 9698"ORDER BY 1, 2;\n" 9699"\n" 9700" x | y | val\n" 9701"---+---+-----\n" 9702" 1 | 1 | 9\n" 9703" 1 | 2 | 9\n" 9704" 1 | 3 | 9\n" 9705" 2 | 1 | 9\n" 9706" 2 | 2 |\n" 9707" 2 | 3 | 9\n" 9708" 3 | 1 | 9\n" 9709" 3 | 2 | 9\n" 9710" 3 | 3 | 9" 9711msgstr "" 9712"/*\n" 9713"ST_SetValues()によって次のように書き換わります\n" 9714"\n" 9715"+ - + - + - + + - + - + - +\n" 9716"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9717"+ - + - + - + + - + - + - +\n" 9718"| 1 | 1 | 1 | => | 9 | | 9 |\n" 9719"+ - + - + - + + - + - + - +\n" 9720"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9721"+ - + - + - + + - + - + - +\n" 9722"*/\n" 9723"SELECT\n" 9724" (poly).x,\n" 9725" (poly).y,\n" 9726" (poly).val\n" 9727"FROM (\n" 9728"SELECT\n" 9729" ST_PixelAsPolygons(\n" 9730" ST_SetValues(\n" 9731" ST_AddBand(\n" 9732" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9733"0),\n" 9734" 1, '8BUI', 1, 0\n" 9735" ),\n" 9736" 1, 1, 1, ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9737"double precision[][]\n" 9738" )\n" 9739" ) AS poly\n" 9740") foo\n" 9741"ORDER BY 1, 2;\n" 9742"\n" 9743" x | y | val\n" 9744"---+---+-----\n" 9745" 1 | 1 | 9\n" 9746" 1 | 2 | 9\n" 9747" 1 | 3 | 9\n" 9748" 2 | 1 | 9\n" 9749" 2 | 2 |\n" 9750" 2 | 3 | 9\n" 9751" 3 | 1 | 9\n" 9752" 3 | 2 | 9\n" 9753" 3 | 3 | 9" 9754 9755#. Tag: programlisting 9756#: reference_raster.xml:3992 9757#, no-c-format 9758msgid "" 9759"/*\n" 9760"The ST_SetValues() does the following...\n" 9761"\n" 9762"+ - + - + - + + - + - + - +\n" 9763"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9764"+ - + - + - + + - + - + - +\n" 9765"| 1 | 1 | 1 | => | 1 | | 9 |\n" 9766"+ - + - + - + + - + - + - +\n" 9767"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9768"+ - + - + - + + - + - + - +\n" 9769"*/\n" 9770"SELECT\n" 9771" (poly).x,\n" 9772" (poly).y,\n" 9773" (poly).val\n" 9774"FROM (\n" 9775"SELECT\n" 9776" ST_PixelAsPolygons(\n" 9777" ST_SetValues(\n" 9778" ST_AddBand(\n" 9779" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9780"0),\n" 9781" 1, '8BUI', 1, 0\n" 9782" ),\n" 9783" 1, 1, 1,\n" 9784" ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9785"double precision[][],\n" 9786" ARRAY[[false], [true]]::boolean[][]\n" 9787" )\n" 9788" ) AS poly\n" 9789") foo\n" 9790"ORDER BY 1, 2;\n" 9791"\n" 9792" x | y | val\n" 9793"---+---+-----\n" 9794" 1 | 1 | 9\n" 9795" 1 | 2 | 1\n" 9796" 1 | 3 | 9\n" 9797" 2 | 1 | 9\n" 9798" 2 | 2 |\n" 9799" 2 | 3 | 9\n" 9800" 3 | 1 | 9\n" 9801" 3 | 2 | 9\n" 9802" 3 | 3 | 9" 9803msgstr "" 9804"/*\n" 9805"ST_SetValues()によって次のように書き換わります\n" 9806"\n" 9807"+ - + - + - + + - + - + - +\n" 9808"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9809"+ - + - + - + + - + - + - +\n" 9810"| 1 | 1 | 1 | => | 1 | | 9 |\n" 9811"+ - + - + - + + - + - + - +\n" 9812"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9813"+ - + - + - + + - + - + - +\n" 9814"*/\n" 9815"SELECT\n" 9816" (poly).x,\n" 9817" (poly).y,\n" 9818" (poly).val\n" 9819"FROM (\n" 9820"SELECT\n" 9821" ST_PixelAsPolygons(\n" 9822" ST_SetValues(\n" 9823" ST_AddBand(\n" 9824" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9825"0),\n" 9826" 1, '8BUI', 1, 0\n" 9827" ),\n" 9828" 1, 1, 1,\n" 9829" ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9830"double precision[][],\n" 9831" ARRAY[[false], [true]]::boolean[][]\n" 9832" )\n" 9833" ) AS poly\n" 9834") foo\n" 9835"ORDER BY 1, 2;\n" 9836"\n" 9837" x | y | val\n" 9838"---+---+-----\n" 9839" 1 | 1 | 9\n" 9840" 1 | 2 | 1\n" 9841" 1 | 3 | 9\n" 9842" 2 | 1 | 9\n" 9843" 2 | 2 |\n" 9844" 2 | 3 | 9\n" 9845" 3 | 1 | 9\n" 9846" 3 | 2 | 9\n" 9847" 3 | 3 | 9" 9848 9849#. Tag: programlisting 9850#: reference_raster.xml:3994 9851#, no-c-format 9852msgid "" 9853"/*\n" 9854"The ST_SetValues() does the following...\n" 9855"\n" 9856"+ - + - + - + + - + - + - +\n" 9857"| | 1 | 1 | | | 9 | 9 |\n" 9858"+ - + - + - + + - + - + - +\n" 9859"| 1 | 1 | 1 | => | 1 | | 9 |\n" 9860"+ - + - + - + + - + - + - +\n" 9861"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9862"+ - + - + - + + - + - + - +\n" 9863"*/\n" 9864"SELECT\n" 9865" (poly).x,\n" 9866" (poly).y,\n" 9867" (poly).val\n" 9868"FROM (\n" 9869"SELECT\n" 9870" ST_PixelAsPolygons(\n" 9871" ST_SetValues(\n" 9872" ST_SetValue(\n" 9873" ST_AddBand(\n" 9874" ST_MakeEmptyRaster(3, 3, 0, 0, 1, " 9875"-1, 0, 0, 0),\n" 9876" 1, '8BUI', 1, 0\n" 9877" ),\n" 9878" 1, 1, 1, NULL\n" 9879" ),\n" 9880" 1, 1, 1,\n" 9881" ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9882"double precision[][],\n" 9883" ARRAY[[false], [true]]::boolean[][],\n" 9884" TRUE\n" 9885" )\n" 9886" ) AS poly\n" 9887") foo\n" 9888"ORDER BY 1, 2;\n" 9889"\n" 9890" x | y | val\n" 9891"---+---+-----\n" 9892" 1 | 1 |\n" 9893" 1 | 2 | 1\n" 9894" 1 | 3 | 9\n" 9895" 2 | 1 | 9\n" 9896" 2 | 2 |\n" 9897" 2 | 3 | 9\n" 9898" 3 | 1 | 9\n" 9899" 3 | 2 | 9\n" 9900" 3 | 3 | 9" 9901msgstr "" 9902"/*\n" 9903"ST_SetValues()によって次のように書き換わります\n" 9904"\n" 9905"+ - + - + - + + - + - + - +\n" 9906"| | 1 | 1 | | | 9 | 9 |\n" 9907"+ - + - + - + + - + - + - +\n" 9908"| 1 | 1 | 1 | => | 1 | | 9 |\n" 9909"+ - + - + - + + - + - + - +\n" 9910"| 1 | 1 | 1 | | 9 | 9 | 9 |\n" 9911"+ - + - + - + + - + - + - +\n" 9912"*/\n" 9913"SELECT\n" 9914" (poly).x,\n" 9915" (poly).y,\n" 9916" (poly).val\n" 9917"FROM (\n" 9918"SELECT\n" 9919" ST_PixelAsPolygons(\n" 9920" ST_SetValues(\n" 9921" ST_SetValue(\n" 9922" ST_AddBand(\n" 9923" ST_MakeEmptyRaster(3, 3, 0, 0, 1, " 9924"-1, 0, 0, 0),\n" 9925" 1, '8BUI', 1, 0\n" 9926" ),\n" 9927" 1, 1, 1, NULL\n" 9928" ),\n" 9929" 1, 1, 1,\n" 9930" ARRAY[[9, 9, 9], [9, NULL, 9], [9, 9, 9]]::" 9931"double precision[][],\n" 9932" ARRAY[[false], [true]]::boolean[][],\n" 9933" TRUE\n" 9934" )\n" 9935" ) AS poly\n" 9936") foo\n" 9937"ORDER BY 1, 2;\n" 9938"\n" 9939" x | y | val\n" 9940"---+---+-----\n" 9941" 1 | 1 |\n" 9942" 1 | 2 | 1\n" 9943" 1 | 3 | 9\n" 9944" 2 | 1 | 9\n" 9945" 2 | 2 |\n" 9946" 2 | 3 | 9\n" 9947" 3 | 1 | 9\n" 9948" 3 | 2 | 9\n" 9949" 3 | 3 | 9" 9950 9951#. Tag: programlisting 9952#: reference_raster.xml:4001 9953#, no-c-format 9954msgid "" 9955"/*\n" 9956"The ST_SetValues() does the following...\n" 9957"\n" 9958"+ - + - + - + + - + - + - +\n" 9959"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 9960"+ - + - + - + + - + - + - +\n" 9961"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 9962"+ - + - + - + + - + - + - +\n" 9963"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 9964"+ - + - + - + + - + - + - +\n" 9965"*/\n" 9966"SELECT\n" 9967" (poly).x,\n" 9968" (poly).y,\n" 9969" (poly).val\n" 9970"FROM (\n" 9971"SELECT\n" 9972" ST_PixelAsPolygons(\n" 9973" ST_SetValues(\n" 9974" ST_AddBand(\n" 9975" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 9976"0),\n" 9977" 1, '8BUI', 1, 0\n" 9978" ),\n" 9979" 1, 1, 1, ARRAY[[-1, -1, -1], [-1, 9, 9], [-1, 9, " 9980"9]]::double precision[][], -1\n" 9981" )\n" 9982" ) AS poly\n" 9983") foo\n" 9984"ORDER BY 1, 2;\n" 9985"\n" 9986" x | y | val\n" 9987"---+---+-----\n" 9988" 1 | 1 | 1\n" 9989" 1 | 2 | 1\n" 9990" 1 | 3 | 1\n" 9991" 2 | 1 | 1\n" 9992" 2 | 2 | 9\n" 9993" 2 | 3 | 9\n" 9994" 3 | 1 | 1\n" 9995" 3 | 2 | 9\n" 9996" 3 | 3 | 9" 9997msgstr "" 9998"/*\n" 9999"ST_SetValues()によって次のように書き換わります\n" 10000"\n" 10001"+ - + - + - + + - + - + - +\n" 10002"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10003"+ - + - + - + + - + - + - +\n" 10004"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 10005"+ - + - + - + + - + - + - +\n" 10006"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10007"+ - + - + - + + - + - + - +\n" 10008"*/\n" 10009"SELECT\n" 10010" (poly).x,\n" 10011" (poly).y,\n" 10012" (poly).val\n" 10013"FROM (\n" 10014"SELECT\n" 10015" ST_PixelAsPolygons(\n" 10016" ST_SetValues(\n" 10017" ST_AddBand(\n" 10018" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 10019"0),\n" 10020" 1, '8BUI', 1, 0\n" 10021" ),\n" 10022" 1, 1, 1, ARRAY[[-1, -1, -1], [-1, 9, 9], [-1, 9, " 10023"9]]::double precision[][], -1\n" 10024" )\n" 10025" ) AS poly\n" 10026") foo\n" 10027"ORDER BY 1, 2;\n" 10028"\n" 10029" x | y | val\n" 10030"---+---+-----\n" 10031" 1 | 1 | 1\n" 10032" 1 | 2 | 1\n" 10033" 1 | 3 | 1\n" 10034" 2 | 1 | 1\n" 10035" 2 | 2 | 9\n" 10036" 2 | 3 | 9\n" 10037" 3 | 1 | 1\n" 10038" 3 | 2 | 9\n" 10039" 3 | 3 | 9" 10040 10041#. Tag: programlisting 10042#: reference_raster.xml:4003 10043#, no-c-format 10044msgid "" 10045"/*\n" 10046"This example is like the previous one. Instead of nosetvalue = -1, " 10047"nosetvalue = NULL\n" 10048"\n" 10049"The ST_SetValues() does the following...\n" 10050"\n" 10051"+ - + - + - + + - + - + - +\n" 10052"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10053"+ - + - + - + + - + - + - +\n" 10054"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 10055"+ - + - + - + + - + - + - +\n" 10056"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10057"+ - + - + - + + - + - + - +\n" 10058"*/\n" 10059"SELECT\n" 10060" (poly).x,\n" 10061" (poly).y,\n" 10062" (poly).val\n" 10063"FROM (\n" 10064"SELECT\n" 10065" ST_PixelAsPolygons(\n" 10066" ST_SetValues(\n" 10067" ST_AddBand(\n" 10068" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 10069"0),\n" 10070" 1, '8BUI', 1, 0\n" 10071" ),\n" 10072" 1, 1, 1, ARRAY[[NULL, NULL, NULL], [NULL, 9, 9], " 10073"[NULL, 9, 9]]::double precision[][], NULL::double precision\n" 10074" )\n" 10075" ) AS poly\n" 10076") foo\n" 10077"ORDER BY 1, 2;\n" 10078"\n" 10079" x | y | val\n" 10080"---+---+-----\n" 10081" 1 | 1 | 1\n" 10082" 1 | 2 | 1\n" 10083" 1 | 3 | 1\n" 10084" 2 | 1 | 1\n" 10085" 2 | 2 | 9\n" 10086" 2 | 3 | 9\n" 10087" 3 | 1 | 1\n" 10088" 3 | 2 | 9\n" 10089" 3 | 3 | 9" 10090msgstr "" 10091"/*\n" 10092"この例は上の例と似ていますが、nosetvalueを-1でなくNULLにしています。\n" 10093"\n" 10094"\n" 10095"ST_SetValues()によって次のように書き換わります\n" 10096"\n" 10097"+ - + - + - + + - + - + - +\n" 10098"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10099"+ - + - + - + + - + - + - +\n" 10100"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 10101"+ - + - + - + + - + - + - +\n" 10102"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10103"+ - + - + - + + - + - + - +\n" 10104"*/\n" 10105"SELECT\n" 10106" (poly).x,\n" 10107" (poly).y,\n" 10108" (poly).val\n" 10109"FROM (\n" 10110"SELECT\n" 10111" ST_PixelAsPolygons(\n" 10112" ST_SetValues(\n" 10113" ST_AddBand(\n" 10114" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 10115"0),\n" 10116" 1, '8BUI', 1, 0\n" 10117" ),\n" 10118" 1, 1, 1, ARRAY[[NULL, NULL, NULL], [NULL, 9, 9], " 10119"[NULL, 9, 9]]::double precision[][], NULL::double precision\n" 10120" )\n" 10121" ) AS poly\n" 10122") foo\n" 10123"ORDER BY 1, 2;\n" 10124"\n" 10125" x | y | val\n" 10126"---+---+-----\n" 10127" 1 | 1 | 1\n" 10128" 1 | 2 | 1\n" 10129" 1 | 3 | 1\n" 10130" 2 | 1 | 1\n" 10131" 2 | 2 | 9\n" 10132" 2 | 3 | 9\n" 10133" 3 | 1 | 1\n" 10134" 3 | 2 | 9\n" 10135" 3 | 3 | 9" 10136 10137#. Tag: title 10138#: reference_raster.xml:4008 reference_raster.xml:4953 10139#, no-c-format 10140msgid "Examples: Variant 3" 10141msgstr "例: 三つ目の形式" 10142 10143#. Tag: programlisting 10144#: reference_raster.xml:4010 10145#, no-c-format 10146msgid "" 10147"/*\n" 10148"The ST_SetValues() does the following...\n" 10149"\n" 10150"+ - + - + - + + - + - + - +\n" 10151"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10152"+ - + - + - + + - + - + - +\n" 10153"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 10154"+ - + - + - + + - + - + - +\n" 10155"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10156"+ - + - + - + + - + - + - +\n" 10157"*/\n" 10158"SELECT\n" 10159" (poly).x,\n" 10160" (poly).y,\n" 10161" (poly).val\n" 10162"FROM (\n" 10163"SELECT\n" 10164" ST_PixelAsPolygons(\n" 10165" ST_SetValues(\n" 10166" ST_AddBand(\n" 10167" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 10168"0),\n" 10169" 1, '8BUI', 1, 0\n" 10170" ),\n" 10171" 1, 2, 2, 2, 2, 9\n" 10172" )\n" 10173" ) AS poly\n" 10174") foo\n" 10175"ORDER BY 1, 2;\n" 10176"\n" 10177" x | y | val\n" 10178"---+---+-----\n" 10179" 1 | 1 | 1\n" 10180" 1 | 2 | 1\n" 10181" 1 | 3 | 1\n" 10182" 2 | 1 | 1\n" 10183" 2 | 2 | 9\n" 10184" 2 | 3 | 9\n" 10185" 3 | 1 | 1\n" 10186" 3 | 2 | 9\n" 10187" 3 | 3 | 9" 10188msgstr "" 10189"/*\n" 10190"ST_SetValues()によって次のように書き換わります\n" 10191"\n" 10192"+ - + - + - + + - + - + - +\n" 10193"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10194"+ - + - + - + + - + - + - +\n" 10195"| 1 | 1 | 1 | => | 1 | 9 | 9 |\n" 10196"+ - + - + - + + - + - + - +\n" 10197"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10198"+ - + - + - + + - + - + - +\n" 10199"*/\n" 10200"SELECT\n" 10201" (poly).x,\n" 10202" (poly).y,\n" 10203" (poly).val\n" 10204"FROM (\n" 10205"SELECT\n" 10206" ST_PixelAsPolygons(\n" 10207" ST_SetValues(\n" 10208" ST_AddBand(\n" 10209" ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, 0, 0, " 10210"0),\n" 10211" 1, '8BUI', 1, 0\n" 10212" ),\n" 10213" 1, 2, 2, 2, 2, 9\n" 10214" )\n" 10215" ) AS poly\n" 10216") foo\n" 10217"ORDER BY 1, 2;\n" 10218"\n" 10219" x | y | val\n" 10220"---+---+-----\n" 10221" 1 | 1 | 1\n" 10222" 1 | 2 | 1\n" 10223" 1 | 3 | 1\n" 10224" 2 | 1 | 1\n" 10225" 2 | 2 | 9\n" 10226" 2 | 3 | 9\n" 10227" 3 | 1 | 1\n" 10228" 3 | 2 | 9\n" 10229" 3 | 3 | 9" 10230 10231#. Tag: programlisting 10232#: reference_raster.xml:4012 10233#, no-c-format 10234msgid "" 10235"/*\n" 10236"The ST_SetValues() does the following...\n" 10237"\n" 10238"+ - + - + - + + - + - + - +\n" 10239"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10240"+ - + - + - + + - + - + - +\n" 10241"| 1 | | 1 | => | 1 | | 9 |\n" 10242"+ - + - + - + + - + - + - +\n" 10243"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10244"+ - + - + - + + - + - + - +\n" 10245"*/\n" 10246"SELECT\n" 10247" (poly).x,\n" 10248" (poly).y,\n" 10249" (poly).val\n" 10250"FROM (\n" 10251"SELECT\n" 10252" ST_PixelAsPolygons(\n" 10253" ST_SetValues(\n" 10254" ST_SetValue(\n" 10255" ST_AddBand(\n" 10256" ST_MakeEmptyRaster(3, 3, 0, 0, 1, " 10257"-1, 0, 0, 0),\n" 10258" 1, '8BUI', 1, 0\n" 10259" ),\n" 10260" 1, 2, 2, NULL\n" 10261" ),\n" 10262" 1, 2, 2, 2, 2, 9, TRUE\n" 10263" )\n" 10264" ) AS poly\n" 10265") foo\n" 10266"ORDER BY 1, 2;\n" 10267"\n" 10268" x | y | val\n" 10269"---+---+-----\n" 10270" 1 | 1 | 1\n" 10271" 1 | 2 | 1\n" 10272" 1 | 3 | 1\n" 10273" 2 | 1 | 1\n" 10274" 2 | 2 |\n" 10275" 2 | 3 | 9\n" 10276" 3 | 1 | 1\n" 10277" 3 | 2 | 9\n" 10278" 3 | 3 | 9" 10279msgstr "" 10280"/*\n" 10281"ST_SetValues()によって次のように書き換わります\n" 10282"\n" 10283"+ - + - + - + + - + - + - +\n" 10284"| 1 | 1 | 1 | | 1 | 1 | 1 |\n" 10285"+ - + - + - + + - + - + - +\n" 10286"| 1 | | 1 | => | 1 | | 9 |\n" 10287"+ - + - + - + + - + - + - +\n" 10288"| 1 | 1 | 1 | | 1 | 9 | 9 |\n" 10289"+ - + - + - + + - + - + - +\n" 10290"*/\n" 10291"SELECT\n" 10292" (poly).x,\n" 10293" (poly).y,\n" 10294" (poly).val\n" 10295"FROM (\n" 10296"SELECT\n" 10297" ST_PixelAsPolygons(\n" 10298" ST_SetValues(\n" 10299" ST_SetValue(\n" 10300" ST_AddBand(\n" 10301" ST_MakeEmptyRaster(3, 3, 0, 0, 1, " 10302"-1, 0, 0, 0),\n" 10303" 1, '8BUI', 1, 0\n" 10304" ),\n" 10305" 1, 2, 2, NULL\n" 10306" ),\n" 10307" 1, 2, 2, 2, 2, 9, TRUE\n" 10308" )\n" 10309" ) AS poly\n" 10310") foo\n" 10311"ORDER BY 1, 2;\n" 10312"\n" 10313" x | y | val\n" 10314"---+---+-----\n" 10315" 1 | 1 | 1\n" 10316" 1 | 2 | 1\n" 10317" 1 | 3 | 1\n" 10318" 2 | 1 | 1\n" 10319" 2 | 2 |\n" 10320" 2 | 3 | 9\n" 10321" 3 | 1 | 1\n" 10322" 3 | 2 | 9\n" 10323" 3 | 3 | 9" 10324 10325#. Tag: title 10326#: reference_raster.xml:4017 10327#, no-c-format 10328msgid "Examples: Variant 5" 10329msgstr "例: 五つ目の形式" 10330 10331#. Tag: programlisting 10332#: reference_raster.xml:4019 10333#, no-c-format 10334msgid "" 10335"WITH foo AS (\n" 10336" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10337"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10338"), bar AS (\n" 10339" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10340" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10341"geometry geom UNION ALL\n" 10342" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10343"0 0))'::geometry geom UNION ALL\n" 10344" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10345")\n" 10346"SELECT\n" 10347" rid, gid, ST_DumpValues(ST_SetValue(rast, 1, geom, gid))\n" 10348"FROM foo t1\n" 10349"CROSS JOIN bar t2\n" 10350"ORDER BY rid, gid;\n" 10351"\n" 10352" rid | gid | " 10353"st_dumpvalues\n" 10354"-----+-----" 10355"+---------------------------------------------------------------------------------------------------------------------------------------------\n" 10356" 1 | 1 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL}," 10357"{NULL,NULL,1,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL," 10358"NULL}}\")\n" 10359" 1 | 2 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL},{NULL,2,2,2," 10360"NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10361" 1 | 3 | (1,\"{{3,3,3,3,3},{3,NULL,NULL,NULL,NULL},{3,NULL,NULL,NULL," 10362"NULL},{3,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10363" 1 | 4 | (1,\"{{4,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL," 10364"NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,4}}\")\n" 10365"(4 rows)" 10366msgstr "" 10367"WITH foo AS (\n" 10368" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10369"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10370"), bar AS (\n" 10371" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10372" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10373"geometry geom UNION ALL\n" 10374" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10375"0 0))'::geometry geom UNION ALL\n" 10376" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10377")\n" 10378"SELECT\n" 10379" rid, gid, ST_DumpValues(ST_SetValue(rast, 1, geom, gid))\n" 10380"FROM foo t1\n" 10381"CROSS JOIN bar t2\n" 10382"ORDER BY rid, gid;\n" 10383"\n" 10384" rid | gid | " 10385"st_dumpvalues\n" 10386"-----+-----" 10387"+---------------------------------------------------------------------------------------------------------------------------------------------\n" 10388" 1 | 1 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL}," 10389"{NULL,NULL,1,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL," 10390"NULL}}\")\n" 10391" 1 | 2 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL},{NULL,2,2,2," 10392"NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10393" 1 | 3 | (1,\"{{3,3,3,3,3},{3,NULL,NULL,NULL,NULL},{3,NULL,NULL,NULL," 10394"NULL},{3,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10395" 1 | 4 | (1,\"{{4,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL," 10396"NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,NULL},{NULL,NULL,NULL,NULL,4}}\")\n" 10397"(4 rows)" 10398 10399#. Tag: para 10400#: reference_raster.xml:4021 10401#, no-c-format 10402msgid "" 10403"The following shows that geomvals later in the array can overwrite prior " 10404"geomvals" 10405msgstr "" 10406"配列内における後のgeomvalsで前のgeomvalsを上書きできることを示しています。" 10407 10408#. Tag: programlisting 10409#: reference_raster.xml:4022 10410#, no-c-format 10411msgid "" 10412"WITH foo AS (\n" 10413" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10414"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10415"), bar AS (\n" 10416" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10417" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10418"geometry geom UNION ALL\n" 10419" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10420"0 0))'::geometry geom UNION ALL\n" 10421" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10422")\n" 10423"SELECT\n" 10424" t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, " 10425"ARRAY[ROW(t2.geom, t2.gid), ROW(t3.geom, t3.gid)]::geomval[]))\n" 10426"FROM foo t1\n" 10427"CROSS JOIN bar t2\n" 10428"CROSS JOIN bar t3\n" 10429"WHERE t2.gid = 1\n" 10430" AND t3.gid = 2\n" 10431"ORDER BY t1.rid, t2.gid, t3.gid;\n" 10432"\n" 10433" rid | gid | gid | " 10434"st_dumpvalues\n" 10435"-----+-----+-----" 10436"+---------------------------------------------------------------------------------------------------------------------\n" 10437" 1 | 1 | 2 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL}," 10438"{NULL,2,2,2,NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10439"(1 row)" 10440msgstr "" 10441"WITH foo AS (\n" 10442" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10443"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10444"), bar AS (\n" 10445" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10446" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10447"geometry geom UNION ALL\n" 10448" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10449"0 0))'::geometry geom UNION ALL\n" 10450" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10451")\n" 10452"SELECT\n" 10453" t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, " 10454"ARRAY[ROW(t2.geom, t2.gid), ROW(t3.geom, t3.gid)]::geomval[]))\n" 10455"FROM foo t1\n" 10456"CROSS JOIN bar t2\n" 10457"CROSS JOIN bar t3\n" 10458"WHERE t2.gid = 1\n" 10459" AND t3.gid = 2\n" 10460"ORDER BY t1.rid, t2.gid, t3.gid;\n" 10461"\n" 10462" rid | gid | gid | " 10463"st_dumpvalues\n" 10464"-----+-----+-----" 10465"+---------------------------------------------------------------------------------------------------------------------\n" 10466" 1 | 1 | 2 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL}," 10467"{NULL,2,2,2,NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10468"(1 row)" 10469 10470#. Tag: para 10471#: reference_raster.xml:4024 10472#, no-c-format 10473msgid "This example is the opposite of the prior example" 10474msgstr "この例は前の例の逆です。" 10475 10476#. Tag: programlisting 10477#: reference_raster.xml:4025 10478#, no-c-format 10479msgid "" 10480"WITH foo AS (\n" 10481" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10482"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10483"), bar AS (\n" 10484" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10485" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10486"geometry geom UNION ALL\n" 10487" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10488"0 0))'::geometry geom UNION ALL\n" 10489" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10490")\n" 10491"SELECT\n" 10492" t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, " 10493"ARRAY[ROW(t2.geom, t2.gid), ROW(t3.geom, t3.gid)]::geomval[]))\n" 10494"FROM foo t1\n" 10495"CROSS JOIN bar t2\n" 10496"CROSS JOIN bar t3\n" 10497"WHERE t2.gid = 2\n" 10498" AND t3.gid = 1\n" 10499"ORDER BY t1.rid, t2.gid, t3.gid;\n" 10500"\n" 10501" rid | gid | gid | " 10502"st_dumpvalues\n" 10503"-----+-----+-----" 10504"+---------------------------------------------------------------------------------------------------------------------\n" 10505" 1 | 2 | 1 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL}," 10506"{NULL,2,1,2,NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10507"(1 row)" 10508msgstr "" 10509"WITH foo AS (\n" 10510" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, " 10511"0, 0), 1, '8BUI', 0, 0) AS rast\n" 10512"), bar AS (\n" 10513" SELECT 1 AS gid, 'SRID=0;POINT(2.5 -2.5)'::geometry geom UNION ALL\n" 10514" SELECT 2 AS gid, 'SRID=0;POLYGON((1 -1, 4 -1, 4 -4, 1 -4, 1 -1))'::" 10515"geometry geom UNION ALL\n" 10516" SELECT 3 AS gid, 'SRID=0;POLYGON((0 0, 5 0, 5 -1, 1 -1, 1 -4, 0 -4, " 10517"0 0))'::geometry geom UNION ALL\n" 10518" SELECT 4 AS gid, 'SRID=0;MULTIPOINT(0 0, 4 4, 4 -4)'::geometry\n" 10519")\n" 10520"SELECT\n" 10521" t1.rid, t2.gid, t3.gid, ST_DumpValues(ST_SetValues(rast, 1, " 10522"ARRAY[ROW(t2.geom, t2.gid), ROW(t3.geom, t3.gid)]::geomval[]))\n" 10523"FROM foo t1\n" 10524"CROSS JOIN bar t2\n" 10525"CROSS JOIN bar t3\n" 10526"WHERE t2.gid = 2\n" 10527" AND t3.gid = 1\n" 10528"ORDER BY t1.rid, t2.gid, t3.gid;\n" 10529"\n" 10530" rid | gid | gid | " 10531"st_dumpvalues\n" 10532"-----+-----+-----" 10533"+---------------------------------------------------------------------------------------------------------------------\n" 10534" 1 | 2 | 1 | (1,\"{{NULL,NULL,NULL,NULL,NULL},{NULL,2,2,2,NULL}," 10535"{NULL,2,1,2,NULL},{NULL,2,2,2,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 10536"(1 row)" 10537 10538#. Tag: para 10539#: reference_raster.xml:4032 10540#, no-c-format 10541msgid "" 10542", <xref linkend=\"RT_ST_SetValue\"/>, <xref linkend=\"RT_ST_PixelAsPolygons" 10543"\"/>" 10544msgstr "" 10545", <xref linkend=\"RT_ST_SetValue\"/>, <xref linkend=\"RT_ST_PixelAsPolygons" 10546"\"/>" 10547 10548#. Tag: refname 10549#: reference_raster.xml:4042 10550#, no-c-format 10551msgid "ST_DumpValues" 10552msgstr "ST_DumpValues" 10553 10554#. Tag: refpurpose 10555#: reference_raster.xml:4043 10556#, no-c-format 10557msgid "Get the values of the specified band as a 2-dimension array." 10558msgstr "指定したバンドの値を2次元で得ます。" 10559 10560#. Tag: funcsynopsis 10561#: reference_raster.xml:4049 10562#, no-c-format 10563msgid "" 10564"<funcprototype> <funcdef>setof record <function>ST_DumpValues</function></" 10565"funcdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 10566"paramdef> <paramdef> <type>integer[] </type> <parameter>nband=NULL</" 10567"parameter> </paramdef> <paramdef> <type>boolean </type> " 10568"<parameter>exclude_nodata_value=true</parameter> </paramdef> </" 10569"funcprototype> <funcprototype> <funcdef>double precision[][] " 10570"<function>ST_DumpValues</function></funcdef> <paramdef> <type>raster </type> " 10571"<parameter>rast</parameter> </paramdef> <paramdef> <type>integer </type> " 10572"<parameter>nband</parameter> </paramdef> <paramdef> <type>boolean </type> " 10573"<parameter>exclude_nodata_value=true</parameter> </paramdef> </funcprototype>" 10574msgstr "" 10575"<funcprototype> <funcdef>setof record <function>ST_DumpValues</function></" 10576"funcdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 10577"paramdef> <paramdef> <type>integer[] </type> <parameter>nband=NULL</" 10578"parameter> </paramdef> <paramdef> <type>boolean </type> " 10579"<parameter>exclude_nodata_value=true</parameter> </paramdef> </" 10580"funcprototype> <funcprototype> <funcdef>double precision[][] " 10581"<function>ST_DumpValues</function></funcdef> <paramdef> <type>raster </type> " 10582"<parameter>rast</parameter> </paramdef> <paramdef> <type>integer </type> " 10583"<parameter>nband</parameter> </paramdef> <paramdef> <type>boolean </type> " 10584"<parameter>exclude_nodata_value=true</parameter> </paramdef> </funcprototype>" 10585 10586#. Tag: para 10587#: reference_raster.xml:4080 10588#, no-c-format 10589msgid "" 10590"Get the values of the specified band as a 2-dimension array (first index is " 10591"row, second is column). If <varname>nband</varname> is NULL or not provided, " 10592"all raster bands are processed." 10593msgstr "" 10594"指定したバンドの値を2次元で得ます (一つ目の添え字で行、二つ目の添え字で列に、" 10595"それぞれ対応します)。<varname>nband</varname>がNULLまたは指定されていない場合" 10596"には、全てのラスタバンドが処理されます。" 10597 10598#. Tag: programlisting 10599#: reference_raster.xml:4090 10600#, no-c-format 10601msgid "" 10602"WITH foo AS (\n" 10603" SELECT ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, " 10604"0, 1, -1, 0, 0, 0), 1, '8BUI'::text, 1, 0), 2, '32BF'::text, 3, -9999), 3, " 10605"'16BSI', 0, 0) AS rast\n" 10606")\n" 10607"SELECT\n" 10608" (ST_DumpValues(rast)).*\n" 10609"FROM foo;\n" 10610"\n" 10611" nband | valarray\n" 10612"-------+------------------------------------------------------\n" 10613" 1 | {{1,1,1},{1,1,1},{1,1,1}}\n" 10614" 2 | {{3,3,3},{3,3,3},{3,3,3}}\n" 10615" 3 | {{NULL,NULL,NULL},{NULL,NULL,NULL},{NULL,NULL,NULL}}\n" 10616"(3 rows)" 10617msgstr "" 10618"WITH foo AS (\n" 10619" SELECT ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, " 10620"0, 1, -1, 0, 0, 0), 1, '8BUI'::text, 1, 0), 2, '32BF'::text, 3, -9999), 3, " 10621"'16BSI', 0, 0) AS rast\n" 10622")\n" 10623"SELECT\n" 10624" (ST_DumpValues(rast)).*\n" 10625"FROM foo;\n" 10626"\n" 10627" nband | valarray\n" 10628"-------+------------------------------------------------------\n" 10629" 1 | {{1,1,1},{1,1,1},{1,1,1}}\n" 10630" 2 | {{3,3,3},{3,3,3},{3,3,3}}\n" 10631" 3 | {{NULL,NULL,NULL},{NULL,NULL,NULL},{NULL,NULL,NULL}}\n" 10632"(3 rows)" 10633 10634#. Tag: programlisting 10635#: reference_raster.xml:4092 10636#, no-c-format 10637msgid "" 10638"WITH foo AS (\n" 10639" SELECT ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, " 10640"0, 1, -1, 0, 0, 0), 1, '8BUI'::text, 1, 0), 2, '32BF'::text, 3, -9999), 3, " 10641"'16BSI', 0, 0) AS rast\n" 10642")\n" 10643"SELECT\n" 10644" (ST_DumpValues(rast, ARRAY[3, 1])).*\n" 10645"FROM foo;\n" 10646"\n" 10647" nband | valarray\n" 10648"-------+------------------------------------------------------\n" 10649" 3 | {{NULL,NULL,NULL},{NULL,NULL,NULL},{NULL,NULL,NULL}}\n" 10650" 1 | {{1,1,1},{1,1,1},{1,1,1}}\n" 10651"(2 rows)" 10652msgstr "" 10653"WITH foo AS (\n" 10654" SELECT ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, " 10655"0, 1, -1, 0, 0, 0), 1, '8BUI'::text, 1, 0), 2, '32BF'::text, 3, -9999), 3, " 10656"'16BSI', 0, 0) AS rast\n" 10657")\n" 10658"SELECT\n" 10659" (ST_DumpValues(rast, ARRAY[3, 1])).*\n" 10660"FROM foo;\n" 10661"\n" 10662" nband | valarray\n" 10663"-------+------------------------------------------------------\n" 10664" 3 | {{NULL,NULL,NULL},{NULL,NULL,NULL},{NULL,NULL,NULL}}\n" 10665" 1 | {{1,1,1},{1,1,1},{1,1,1}}\n" 10666"(2 rows)" 10667 10668#. Tag: programlisting 10669#: reference_raster.xml:4093 10670#, no-c-format 10671msgid "" 10672"WITH foo AS (\n" 10673" SELECT ST_SetValue(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 10674"0, 0, 0), 1, '8BUI', 1, 0), 1, 2, 5) AS rast\n" 10675")\n" 10676"SELECT\n" 10677" (ST_DumpValues(rast, 1))[2][1]\n" 10678"FROM foo;\n" 10679"\n" 10680" st_dumpvalues\n" 10681"---------------\n" 10682" 5\n" 10683"(1 row)" 10684msgstr "" 10685"WITH foo AS (\n" 10686" SELECT ST_SetValue(ST_AddBand(ST_MakeEmptyRaster(3, 3, 0, 0, 1, -1, " 10687"0, 0, 0), 1, '8BUI', 1, 0), 1, 2, 5) AS rast\n" 10688")\n" 10689"SELECT\n" 10690" (ST_DumpValues(rast, 1))[2][1]\n" 10691"FROM foo;\n" 10692"\n" 10693" st_dumpvalues\n" 10694"---------------\n" 10695" 5\n" 10696"(1 row)" 10697 10698#. Tag: para 10699#: reference_raster.xml:4098 10700#, no-c-format 10701msgid "" 10702", <xref linkend=\"RT_ST_SetValue\"/>, <xref linkend=\"RT_ST_SetValues\"/>" 10703msgstr "" 10704", <xref linkend=\"RT_ST_SetValue\"/>, <xref linkend=\"RT_ST_SetValues\"/>" 10705 10706#. Tag: refname 10707#: reference_raster.xml:4109 10708#, no-c-format 10709msgid "ST_PixelOfValue" 10710msgstr "ST_PixelOfValue" 10711 10712#. Tag: refpurpose 10713#: reference_raster.xml:4110 10714#, no-c-format 10715msgid "" 10716"Get the columnx, rowy coordinates of the pixel whose value equals the search " 10717"value." 10718msgstr "検索値と同じ値を持つピクセルのcolumnx, rowyピクセル座標を得ます。" 10719 10720#. Tag: funcsynopsis 10721#: reference_raster.xml:4116 10722#, no-c-format 10723msgid "" 10724"<funcprototype> <funcdef>setof record <function>ST_PixelOfValue</function></" 10725"funcdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 10726"paramdef> <paramdef> <type>integer </type> <parameter>nband</parameter> </" 10727"paramdef> <paramdef> <type>double precision[] </type> <parameter>search</" 10728"parameter> </paramdef> <paramdef> <type>boolean </type> " 10729"<parameter>exclude_nodata_value=true</parameter> </paramdef> </" 10730"funcprototype> <funcprototype> <funcdef>setof record " 10731"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10732"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>double " 10733"precision[] </type> <parameter>search</parameter> </paramdef> <paramdef> " 10734"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10735"paramdef> </funcprototype> <funcprototype> <funcdef>setof record " 10736"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10737"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>integer </" 10738"type> <parameter>nband</parameter> </paramdef> <paramdef> <type>double " 10739"precision </type> <parameter>search</parameter> </paramdef> <paramdef> " 10740"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10741"paramdef> </funcprototype> <funcprototype> <funcdef>setof record " 10742"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10743"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>double " 10744"precision </type> <parameter>search</parameter> </paramdef> <paramdef> " 10745"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10746"paramdef> </funcprototype>" 10747msgstr "" 10748"<funcprototype> <funcdef>setof record <function>ST_PixelOfValue</function></" 10749"funcdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 10750"paramdef> <paramdef> <type>integer </type> <parameter>nband</parameter> </" 10751"paramdef> <paramdef> <type>double precision[] </type> <parameter>search</" 10752"parameter> </paramdef> <paramdef> <type>boolean </type> " 10753"<parameter>exclude_nodata_value=true</parameter> </paramdef> </" 10754"funcprototype> <funcprototype> <funcdef>setof record " 10755"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10756"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>double " 10757"precision[] </type> <parameter>search</parameter> </paramdef> <paramdef> " 10758"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10759"paramdef> </funcprototype> <funcprototype> <funcdef>setof record " 10760"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10761"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>integer </" 10762"type> <parameter>nband</parameter> </paramdef> <paramdef> <type>double " 10763"precision </type> <parameter>search</parameter> </paramdef> <paramdef> " 10764"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10765"paramdef> </funcprototype> <funcprototype> <funcdef>setof record " 10766"<function>ST_PixelOfValue</function></funcdef> <paramdef> <type>raster </" 10767"type> <parameter>rast</parameter> </paramdef> <paramdef> <type>double " 10768"precision </type> <parameter>search</parameter> </paramdef> <paramdef> " 10769"<type>boolean </type> <parameter>exclude_nodata_value=true</parameter> </" 10770"paramdef> </funcprototype>" 10771 10772#. Tag: para 10773#: reference_raster.xml:4177 10774#, no-c-format 10775msgid "" 10776"Get the columnx, rowy coordinates of the pixel whose value equals the search " 10777"value. If no band is specified, then band 1 is assumed." 10778msgstr "" 10779"検索値と同じ値を持つピクセルのcolumnx, rowyピクセル座標を得ます。バンドを指定" 10780"しない場合には、1番と仮定します。" 10781 10782#. Tag: programlisting 10783#: reference_raster.xml:4186 10784#, no-c-format 10785msgid "" 10786"SELECT\n" 10787" (pixels).*\n" 10788"FROM (\n" 10789" SELECT\n" 10790" ST_PixelOfValue(\n" 10791" ST_SetValue(\n" 10792" ST_SetValue(\n" 10793" ST_SetValue(\n" 10794" ST_SetValue(\n" 10795" ST_SetValue(\n" 10796" ST_AddBand(\n" 10797" ST_MakeEmptyRaster(5, " 10798"5, -2, 2, 1, -1, 0, 0, 0),\n" 10799" '8BUI'::" 10800"text, 1, 0\n" 10801" ),\n" 10802" 1, 1, 0\n" 10803" ),\n" 10804" 2, 3, 0\n" 10805" ),\n" 10806" 3, 5, 0\n" 10807" ),\n" 10808" 4, 2, 0\n" 10809" ),\n" 10810" 5, 4, 255\n" 10811" )\n" 10812" , 1, ARRAY[1, 255]) AS pixels\n" 10813") AS foo\n" 10814"\n" 10815" val | x | y\n" 10816"-----+---+---\n" 10817" 1 | 1 | 2\n" 10818" 1 | 1 | 3\n" 10819" 1 | 1 | 4\n" 10820" 1 | 1 | 5\n" 10821" 1 | 2 | 1\n" 10822" 1 | 2 | 2\n" 10823" 1 | 2 | 4\n" 10824" 1 | 2 | 5\n" 10825" 1 | 3 | 1\n" 10826" 1 | 3 | 2\n" 10827" 1 | 3 | 3\n" 10828" 1 | 3 | 4\n" 10829" 1 | 4 | 1\n" 10830" 1 | 4 | 3\n" 10831" 1 | 4 | 4\n" 10832" 1 | 4 | 5\n" 10833" 1 | 5 | 1\n" 10834" 1 | 5 | 2\n" 10835" 1 | 5 | 3\n" 10836" 255 | 5 | 4\n" 10837" 1 | 5 | 5" 10838msgstr "" 10839"SELECT\n" 10840" (pixels).*\n" 10841"FROM (\n" 10842" SELECT\n" 10843" ST_PixelOfValue(\n" 10844" ST_SetValue(\n" 10845" ST_SetValue(\n" 10846" ST_SetValue(\n" 10847" ST_SetValue(\n" 10848" ST_SetValue(\n" 10849" ST_AddBand(\n" 10850" ST_MakeEmptyRaster(5, " 10851"5, -2, 2, 1, -1, 0, 0, 0),\n" 10852" '8BUI'::" 10853"text, 1, 0\n" 10854" ),\n" 10855" 1, 1, 0\n" 10856" ),\n" 10857" 2, 3, 0\n" 10858" ),\n" 10859" 3, 5, 0\n" 10860" ),\n" 10861" 4, 2, 0\n" 10862" ),\n" 10863" 5, 4, 255\n" 10864" )\n" 10865" , 1, ARRAY[1, 255]) AS pixels\n" 10866") AS foo\n" 10867"\n" 10868" val | x | y\n" 10869"-----+---+---\n" 10870" 1 | 1 | 2\n" 10871" 1 | 1 | 3\n" 10872" 1 | 1 | 4\n" 10873" 1 | 1 | 5\n" 10874" 1 | 2 | 1\n" 10875" 1 | 2 | 2\n" 10876" 1 | 2 | 4\n" 10877" 1 | 2 | 5\n" 10878" 1 | 3 | 1\n" 10879" 1 | 3 | 2\n" 10880" 1 | 3 | 3\n" 10881" 1 | 3 | 4\n" 10882" 1 | 4 | 1\n" 10883" 1 | 4 | 3\n" 10884" 1 | 4 | 4\n" 10885" 1 | 4 | 5\n" 10886" 1 | 5 | 1\n" 10887" 1 | 5 | 2\n" 10888" 1 | 5 | 3\n" 10889" 255 | 5 | 4\n" 10890" 1 | 5 | 5" 10891 10892#. Tag: title 10893#: reference_raster.xml:4194 10894#, no-c-format 10895msgid "Raster Editors" 10896msgstr "ラスタエディタ" 10897 10898#. Tag: refname 10899#: reference_raster.xml:4198 10900#, no-c-format 10901msgid "ST_SetGeoReference" 10902msgstr "ST_SetGeoReference" 10903 10904#. Tag: refpurpose 10905#: reference_raster.xml:4199 10906#, no-c-format 10907msgid "" 10908"Set Georeference 6 georeference parameters in a single call. Numbers should " 10909"be separated by white space. Accepts inputs in GDAL or ESRI format. Default " 10910"is GDAL." 10911msgstr "" 10912"地理参照6パラメタを一度に設定します。数値は空白で区切ります。GDALまたはESRI書" 10913"式の入力を受け付けます。デフォルトはGDALです。" 10914 10915#. Tag: funcsynopsis 10916#: reference_raster.xml:4203 10917#, no-c-format 10918msgid "" 10919"<funcprototype> <funcdef>raster <function>ST_SetGeoReference</function></" 10920"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 10921"paramdef> <paramdef><type>text </type> <parameter>georefcoords</parameter></" 10922"paramdef> <paramdef choice=\"opt\"><type>text </type> " 10923"<parameter>format=GDAL</parameter></paramdef> </funcprototype> " 10924"<funcprototype> <funcdef>raster <function>ST_SetGeoReference</function></" 10925"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 10926"paramdef> <paramdef><type>double precision </type> <parameter>upperleftx</" 10927"parameter></paramdef> <paramdef><type>double precision </type> " 10928"<parameter>upperlefty</parameter></paramdef> <paramdef><type>double " 10929"precision </type> <parameter>scalex</parameter></paramdef> " 10930"<paramdef><type>double precision </type> <parameter>scaley</parameter></" 10931"paramdef> <paramdef><type>double precision </type> <parameter>skewx</" 10932"parameter></paramdef> <paramdef><type>double precision </type> " 10933"<parameter>skewy</parameter></paramdef> </funcprototype>" 10934msgstr "" 10935"<funcprototype> <funcdef>raster <function>ST_SetGeoReference</function></" 10936"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 10937"paramdef> <paramdef><type>text </type> <parameter>georefcoords</parameter></" 10938"paramdef> <paramdef choice=\"opt\"><type>text </type> " 10939"<parameter>format=GDAL</parameter></paramdef> </funcprototype> " 10940"<funcprototype> <funcdef>raster <function>ST_SetGeoReference</function></" 10941"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 10942"paramdef> <paramdef><type>double precision </type> <parameter>upperleftx</" 10943"parameter></paramdef> <paramdef><type>double precision </type> " 10944"<parameter>upperlefty</parameter></paramdef> <paramdef><type>double " 10945"precision </type> <parameter>scalex</parameter></paramdef> " 10946"<paramdef><type>double precision </type> <parameter>scaley</parameter></" 10947"paramdef> <paramdef><type>double precision </type> <parameter>skewx</" 10948"parameter></paramdef> <paramdef><type>double precision </type> " 10949"<parameter>skewy</parameter></paramdef> </funcprototype>" 10950 10951#. Tag: para 10952#: reference_raster.xml:4229 10953#, no-c-format 10954msgid "" 10955"Set Georeference 6 georeference parameters in a single call. Accepts inputs " 10956"in 'GDAL' or 'ESRI' format. Default is GDAL. If 6 coordinates are not " 10957"provided will return null." 10958msgstr "" 10959"地理参照6パラメタを一度に設定します。'GDAL'または'ESRI'書式の入力を受け付けま" 10960"す。デフォルトはGDALです。6パラメタが与えられない場合には、NULLを返します。" 10961 10962#. Tag: programlisting 10963#: reference_raster.xml:4232 10964#, no-c-format 10965msgid "scalex skewy skewx scaley upperleftx upperlefty" 10966msgstr "scalex skewy skewx scaley upperleftx upperlefty" 10967 10968#. Tag: programlisting 10969#: reference_raster.xml:4234 10970#, no-c-format 10971msgid "" 10972"scalex skewy skewx scaley upperleftx + scalex*0.5 upperlefty + scaley*0.5" 10973msgstr "" 10974"scalex skewy skewx scaley upperleftx + scalex*0.5 upperlefty + scaley*0.5" 10975 10976#. Tag: para 10977#: reference_raster.xml:4237 10978#, no-c-format 10979msgid "" 10980"If the raster has out-db bands, changing the georeference may result in " 10981"incorrect access of the band's externally stored data." 10982msgstr "" 10983"ラスタがデータベース外のバンドを持っている場合には、地理参照の変更によって、" 10984"バンドの外部保存されているデータに正しくアクセスできなくなることがあります。" 10985 10986#. Tag: para 10987#: reference_raster.xml:4242 10988#, no-c-format 10989msgid "" 10990"Enhanced: 2.1.0 Addition of ST_SetGeoReference(raster, double " 10991"precision, ...) variant" 10992msgstr "" 10993"Enhanced: 2.1.0 ST_SetGeoReference(raster, double precision, ...)形式を追加し" 10994"ました。" 10995 10996#. Tag: programlisting 10997#: reference_raster.xml:4249 10998#, no-c-format 10999msgid "" 11000"WITH foo AS (\n" 11001" SELECT ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0) AS rast\n" 11002")\n" 11003"SELECT\n" 11004" 0 AS rid, (ST_Metadata(rast)).*\n" 11005"FROM foo\n" 11006"UNION ALL\n" 11007"SELECT\n" 11008" 1, (ST_Metadata(ST_SetGeoReference(rast, '10 0 0 -10 0.1 0.1', " 11009"'GDAL'))).*\n" 11010"FROM foo\n" 11011"UNION ALL\n" 11012"SELECT\n" 11013" 2, (ST_Metadata(ST_SetGeoReference(rast, '10 0 0 -10 5.1 -4.9', " 11014"'ESRI'))).*\n" 11015"FROM foo\n" 11016"UNION ALL\n" 11017"SELECT\n" 11018" 3, (ST_Metadata(ST_SetGeoReference(rast, 1, 1, 10, -10, 0.001, " 11019"0.001))).*\n" 11020"FROM foo\n" 11021"\n" 11022" rid | upperleftx | upperlefty | width | height | scalex | " 11023"scaley | skewx | skewy | srid | numbands\n" 11024"-----+--------------------+--------------------+-------+--------+--------" 11025"+--------+-------+-------+------+----------\n" 11026" 0 | 0 | 0 | 5 | 5 | 1 " 11027"| -1 | 0 | 0 | 0 | 0\n" 11028" 1 | 0.1 | 0.1 | 5 | 5 | 10 " 11029"| -10 | 0 | 0 | 0 | 0\n" 11030" 2 | 0.0999999999999996 | 0.0999999999999996 | 5 | 5 | 10 " 11031"| -10 | 0 | 0 | 0 | 0\n" 11032" 3 | 1 | 1 | 5 | 5 | 10 " 11033"| -10 | 0.001 | 0.001 | 0 | 0" 11034msgstr "" 11035"WITH foo AS (\n" 11036" SELECT ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0) AS rast\n" 11037")\n" 11038"SELECT\n" 11039" 0 AS rid, (ST_Metadata(rast)).*\n" 11040"FROM foo\n" 11041"UNION ALL\n" 11042"SELECT\n" 11043" 1, (ST_Metadata(ST_SetGeoReference(rast, '10 0 0 -10 0.1 0.1', " 11044"'GDAL'))).*\n" 11045"FROM foo\n" 11046"UNION ALL\n" 11047"SELECT\n" 11048" 2, (ST_Metadata(ST_SetGeoReference(rast, '10 0 0 -10 5.1 -4.9', " 11049"'ESRI'))).*\n" 11050"FROM foo\n" 11051"UNION ALL\n" 11052"SELECT\n" 11053" 3, (ST_Metadata(ST_SetGeoReference(rast, 1, 1, 10, -10, 0.001, " 11054"0.001))).*\n" 11055"FROM foo\n" 11056"\n" 11057" rid | upperleftx | upperlefty | width | height | scalex | " 11058"scaley | skewx | skewy | srid | numbands\n" 11059"-----+--------------------+--------------------+-------+--------+--------" 11060"+--------+-------+-------+------+----------\n" 11061" 0 | 0 | 0 | 5 | 5 | 1 " 11062"| -1 | 0 | 0 | 0 | 0\n" 11063" 1 | 0.1 | 0.1 | 5 | 5 | 10 " 11064"| -10 | 0 | 0 | 0 | 0\n" 11065" 2 | 0.0999999999999996 | 0.0999999999999996 | 5 | 5 | 10 " 11066"| -10 | 0 | 0 | 0 | 0\n" 11067" 3 | 1 | 1 | 5 | 5 | 10 " 11068"| -10 | 0.001 | 0.001 | 0 | 0" 11069 11070#. Tag: para 11071#: reference_raster.xml:4254 11072#, no-c-format 11073msgid "" 11074", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 11075"linkend=\"RT_ST_UpperLeftX\"/>, <xref linkend=\"RT_ST_UpperLeftY\"/>" 11076msgstr "" 11077", <xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 11078"linkend=\"RT_ST_UpperLeftX\"/>, <xref linkend=\"RT_ST_UpperLeftY\"/>" 11079 11080#. Tag: refname 11081#: reference_raster.xml:4260 11082#, no-c-format 11083msgid "ST_SetRotation" 11084msgstr "ST_SetRotation" 11085 11086#. Tag: refpurpose 11087#: reference_raster.xml:4261 11088#, no-c-format 11089msgid "Set the rotation of the raster in radian." 11090msgstr "ラスタの回転をラジアン単位で設定します。" 11091 11092#. Tag: funcprototype 11093#: reference_raster.xml:4266 11094#, no-c-format 11095msgid "" 11096"<funcdef>float8 <function>ST_SetRotation</function></funcdef> " 11097"<paramdef><type>raster</type> <parameter>rast</parameter></paramdef> " 11098"<paramdef><type>float8</type> <parameter>rotation</parameter></paramdef>" 11099msgstr "" 11100"<funcdef>float8 <function>ST_SetRotation</function></funcdef> " 11101"<paramdef><type>raster</type> <parameter>rast</parameter></paramdef> " 11102"<paramdef><type>float8</type> <parameter>rotation</parameter></paramdef>" 11103 11104#. Tag: para 11105#: reference_raster.xml:4277 11106#, no-c-format 11107msgid "" 11108"Uniformly rotate the raster. Rotation is in radian. Refer to <ulink url=" 11109"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> for more " 11110"details." 11111msgstr "" 11112"ラスタを回転させます。回転はラジアン単位です。詳細については<ulink url=" 11113"\"http://en.wikipedia.org/wiki/World_file\">World File</ulink> (英語版" 11114"WikiPedia)をご覧下さい。" 11115 11116#. Tag: programlisting 11117#: reference_raster.xml:4283 11118#, no-c-format 11119msgid "" 11120"SELECT\n" 11121" ST_ScaleX(rast1), ST_ScaleY(rast1), ST_SkewX(rast1), ST_SkewY(rast1),\n" 11122" ST_ScaleX(rast2), ST_ScaleY(rast2), ST_SkewX(rast2), ST_SkewY(rast2)\n" 11123"FROM (\n" 11124" SELECT ST_SetRotation(rast, 15) AS rast1, rast as rast2 FROM dummy_rast\n" 11125") AS foo;\n" 11126" st_scalex | st_scaley | st_skewx | " 11127"st_skewy | st_scalex | st_scaley | st_skewx | st_skewy\n" 11128"---------------------+---------------------+--------------------" 11129"+--------------------+-----------+-----------+----------+----------\n" 11130" -1.51937582571764 | -2.27906373857646 | 1.95086352047135 | " 11131"1.30057568031423 | 2 | 3 | 0 | 0\n" 11132" -0.0379843956429411 | -0.0379843956429411 | 0.0325143920078558 | " 11133"0.0325143920078558 | 0.05 | -0.05 | 0 | 0" 11134msgstr "" 11135"SELECT\n" 11136" ST_ScaleX(rast1), ST_ScaleY(rast1), ST_SkewX(rast1), ST_SkewY(rast1),\n" 11137" ST_ScaleX(rast2), ST_ScaleY(rast2), ST_SkewX(rast2), ST_SkewY(rast2)\n" 11138"FROM (\n" 11139" SELECT ST_SetRotation(rast, 15) AS rast1, rast as rast2 FROM dummy_rast\n" 11140") AS foo;\n" 11141" st_scalex | st_scaley | st_skewx | " 11142"st_skewy | st_scalex | st_scaley | st_skewx | st_skewy\n" 11143"---------------------+---------------------+--------------------" 11144"+--------------------+-----------+-----------+----------+----------\n" 11145" -1.51937582571764 | -2.27906373857646 | 1.95086352047135 | " 11146"1.30057568031423 | 2 | 3 | 0 | 0\n" 11147" -0.0379843956429411 | -0.0379843956429411 | 0.0325143920078558 | " 11148"0.0325143920078558 | 0.05 | -0.05 | 0 | 0" 11149 11150#. Tag: refname 11151#: reference_raster.xml:4296 11152#, no-c-format 11153msgid "ST_SetScale" 11154msgstr "ST_SetScale" 11155 11156#. Tag: refpurpose 11157#: reference_raster.xml:4297 11158#, no-c-format 11159msgid "" 11160"Sets the X and Y size of pixels in units of coordinate reference system. " 11161"Number units/pixel width/height." 11162msgstr "" 11163"ピクセルサイズのX値とY値を空間参照系の単位で設定します。数値は単位/ピクセルの" 11164"幅または高さです。" 11165 11166#. Tag: funcsynopsis 11167#: reference_raster.xml:4301 11168#, no-c-format 11169msgid "" 11170"<funcprototype> <funcdef>raster <function>ST_SetScale</function></funcdef> " 11171"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11172"<paramdef><type>float8 </type> <parameter>xy</parameter></paramdef> </" 11173"funcprototype> <funcprototype> <funcdef>raster <function>ST_SetScale</" 11174"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 11175"parameter></paramdef> <paramdef><type>float8 </type> <parameter>x</" 11176"parameter></paramdef> <paramdef><type>float8 </type> <parameter>y</" 11177"parameter></paramdef> </funcprototype>" 11178msgstr "" 11179"<funcprototype> <funcdef>raster <function>ST_SetScale</function></funcdef> " 11180"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11181"<paramdef><type>float8 </type> <parameter>xy</parameter></paramdef> </" 11182"funcprototype> <funcprototype> <funcdef>raster <function>ST_SetScale</" 11183"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 11184"parameter></paramdef> <paramdef><type>float8 </type> <parameter>x</" 11185"parameter></paramdef> <paramdef><type>float8 </type> <parameter>y</" 11186"parameter></paramdef> </funcprototype>" 11187 11188#. Tag: para 11189#: reference_raster.xml:4320 11190#, no-c-format 11191msgid "" 11192"Sets the X and Y size of pixels in units of coordinate reference system. " 11193"Number units/pixel width/height. If only one unit passed in, assumed X and Y " 11194"are the same number." 11195msgstr "" 11196"ピクセルサイズのX値とY値を空間参照系の単位で設定します。数値は単位/ピクセルの" 11197"幅または高さです。一つだけ渡した場合には、X値とY値は同じ値に設定されます。" 11198 11199#. Tag: para 11200#: reference_raster.xml:4323 11201#, no-c-format 11202msgid "" 11203"ST_SetScale is different from <xref linkend=\"RT_ST_Rescale\"/> in that " 11204"ST_SetScale do not resample the raster to match the raster extent. It only " 11205"changes the metadata (or georeference) of the raster to correct an " 11206"originally mis-specified scaling. ST_Rescale results in a raster having " 11207"different width and height computed to fit the geographic extent of the " 11208"input raster. ST_SetScale do not modify the width, nor the height of the " 11209"raster." 11210msgstr "" 11211"ST_SetScaleはラスタの範囲をあわせるためのリサンプリングをしない点で<xref " 11212"linkend=\"RT_ST_Rescale\"/>と異なります。根本的に誤った設定を行ったのを訂正す" 11213"るためにラスタのメタデータ (地理参照)を変更するだけです。ST_Rescaleは、入力ラ" 11214"スタの地理範囲に合わせて計算された幅、高さを持つラスタを返します。ST_SetScale" 11215"はラスタの幅も高さも変更しません。" 11216 11217#. Tag: para 11218#: reference_raster.xml:4325 11219#, no-c-format 11220msgid "" 11221"Changed: 2.0.0 In WKTRaster versions this was called ST_SetPixelSize. This " 11222"was changed in 2.0.0." 11223msgstr "" 11224"Changed: 2.0.0 WKTRaster版では、ST_SetPixelSizeと呼ばれていました。2.0.0で変" 11225"更されました。" 11226 11227#. Tag: programlisting 11228#: reference_raster.xml:4331 11229#, no-c-format 11230msgid "" 11231"UPDATE dummy_rast\n" 11232" SET rast = ST_SetScale(rast, 1.5)\n" 11233"WHERE rid = 2;\n" 11234"\n" 11235"SELECT ST_ScaleX(rast) As pixx, ST_ScaleY(rast) As pixy, Box3D(rast) As " 11236"newbox\n" 11237"FROM dummy_rast\n" 11238"WHERE rid = 2;\n" 11239"\n" 11240" pixx | pixy | newbox\n" 11241"------+------+----------------------------------------------\n" 11242" 1.5 | 1.5 | BOX(3427927.75 5793244 0, 3427935.25 5793251.5 0)" 11243msgstr "" 11244"UPDATE dummy_rast\n" 11245" SET rast = ST_SetScale(rast, 1.5)\n" 11246"WHERE rid = 2;\n" 11247"\n" 11248"SELECT ST_ScaleX(rast) As pixx, ST_ScaleY(rast) As pixy, Box3D(rast) As " 11249"newbox\n" 11250"FROM dummy_rast\n" 11251"WHERE rid = 2;\n" 11252"\n" 11253" pixx | pixy | newbox\n" 11254"------+------+----------------------------------------------\n" 11255" 1.5 | 1.5 | BOX(3427927.75 5793244 0, 3427935.25 5793251.5 0)" 11256 11257#. Tag: programlisting 11258#: reference_raster.xml:4332 11259#, no-c-format 11260msgid "" 11261"UPDATE dummy_rast\n" 11262" SET rast = ST_SetScale(rast, 1.5, 0.55)\n" 11263"WHERE rid = 2;\n" 11264"\n" 11265"SELECT ST_ScaleX(rast) As pixx, ST_ScaleY(rast) As pixy, Box3D(rast) As " 11266"newbox\n" 11267"FROM dummy_rast\n" 11268"WHERE rid = 2;\n" 11269"\n" 11270" pixx | pixy | newbox\n" 11271"------+------+--------------------------------------------\n" 11272" 1.5 | 0.55 | BOX(3427927.75 5793244 0,3427935.25 5793247 0)" 11273msgstr "" 11274"UPDATE dummy_rast\n" 11275" SET rast = ST_SetScale(rast, 1.5, 0.55)\n" 11276"WHERE rid = 2;\n" 11277"\n" 11278"SELECT ST_ScaleX(rast) As pixx, ST_ScaleY(rast) As pixy, Box3D(rast) As " 11279"newbox\n" 11280"FROM dummy_rast\n" 11281"WHERE rid = 2;\n" 11282"\n" 11283" pixx | pixy | newbox\n" 11284"------+------+--------------------------------------------\n" 11285" 1.5 | 0.55 | BOX(3427927.75 5793244 0,3427935.25 5793247 0)" 11286 11287#. Tag: para 11288#: reference_raster.xml:4338 11289#, no-c-format 11290msgid ", <xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_Box3D\"/>" 11291msgstr ", <xref linkend=\"RT_ST_ScaleY\"/>, <xref linkend=\"RT_Box3D\"/>" 11292 11293#. Tag: refname 11294#: reference_raster.xml:4344 11295#, no-c-format 11296msgid "ST_SetSkew" 11297msgstr "ST_SetSkew" 11298 11299#. Tag: refpurpose 11300#: reference_raster.xml:4345 11301#, no-c-format 11302msgid "" 11303"Sets the georeference X and Y skew (or rotation parameter). If only one is " 11304"passed in, sets X and Y to the same value." 11305msgstr "" 11306"地理参照のスキュー (回転パラメタ)のX値とY値を設定します。一つだけ渡した場合に" 11307"は、X値とY値は同じ値に設定されます。" 11308 11309#. Tag: funcsynopsis 11310#: reference_raster.xml:4349 11311#, no-c-format 11312msgid "" 11313"<funcprototype> <funcdef>raster <function>ST_SetSkew</function></funcdef> " 11314"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11315"<paramdef><type>float8 </type> <parameter>skewxy</parameter></paramdef> </" 11316"funcprototype> <funcprototype> <funcdef>raster <function>ST_SetSkew</" 11317"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 11318"parameter></paramdef> <paramdef><type>float8 </type> <parameter>skewx</" 11319"parameter></paramdef> <paramdef><type>float8 </type> <parameter>skewy</" 11320"parameter></paramdef> </funcprototype>" 11321msgstr "" 11322"<funcprototype> <funcdef>raster <function>ST_SetSkew</function></funcdef> " 11323"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11324"<paramdef><type>float8 </type> <parameter>skewxy</parameter></paramdef> </" 11325"funcprototype> <funcprototype> <funcdef>raster <function>ST_SetSkew</" 11326"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 11327"parameter></paramdef> <paramdef><type>float8 </type> <parameter>skewx</" 11328"parameter></paramdef> <paramdef><type>float8 </type> <parameter>skewy</" 11329"parameter></paramdef> </funcprototype>" 11330 11331#. Tag: para 11332#: reference_raster.xml:4367 11333#, no-c-format 11334msgid "" 11335"Sets the georeference X and Y skew (or rotation parameter). If only one is " 11336"passed in, sets X and Y to the same value. Refer to <ulink url=\"http://en." 11337"wikipedia.org/wiki/World_file\">World File</ulink> for more details." 11338msgstr "" 11339"地理参照のスキュー (回転パラメタ)のX値とY値を設定します。一つだけ渡した場合に" 11340"は、X値とY値は同じ値に設定されます。詳細については<ulink url=\"http://en." 11341"wikipedia.org/wiki/World_file\">World File</ulink> (英語版WikiPedia)をご覧下" 11342"さい。" 11343 11344#. Tag: programlisting 11345#: reference_raster.xml:4374 11346#, no-c-format 11347msgid "" 11348"-- Example 1\n" 11349"UPDATE dummy_rast SET rast = ST_SetSkew(rast,1,2) WHERE rid = 1;\n" 11350"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 11351" ST_GeoReference(rast) as georef\n" 11352"FROM dummy_rast WHERE rid = 1;\n" 11353"\n" 11354"rid | skewx | skewy | georef\n" 11355"----+-------+-------+--------------\n" 11356" 1 | 1 | 2 | 2.0000000000\n" 11357" : 2.0000000000\n" 11358" : 1.0000000000\n" 11359" : 3.0000000000\n" 11360" : 0.5000000000\n" 11361" : 0.5000000000" 11362msgstr "" 11363"-- 例1\n" 11364"UPDATE dummy_rast SET rast = ST_SetSkew(rast,1,2) WHERE rid = 1;\n" 11365"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 11366" ST_GeoReference(rast) as georef\n" 11367"FROM dummy_rast WHERE rid = 1;\n" 11368"\n" 11369"rid | skewx | skewy | georef\n" 11370"----+-------+-------+--------------\n" 11371" 1 | 1 | 2 | 2.0000000000\n" 11372" : 2.0000000000\n" 11373" : 1.0000000000\n" 11374" : 3.0000000000\n" 11375" : 0.5000000000\n" 11376" : 0.5000000000" 11377 11378#. Tag: programlisting 11379#: reference_raster.xml:4376 11380#, no-c-format 11381msgid "" 11382"-- Example 2 set both to same number:\n" 11383"UPDATE dummy_rast SET rast = ST_SetSkew(rast,0) WHERE rid = 1;\n" 11384"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 11385" ST_GeoReference(rast) as georef\n" 11386"FROM dummy_rast WHERE rid = 1;\n" 11387"\n" 11388" rid | skewx | skewy | georef\n" 11389"-----+-------+-------+--------------\n" 11390" 1 | 0 | 0 | 2.0000000000\n" 11391" : 0.0000000000\n" 11392" : 0.0000000000\n" 11393" : 3.0000000000\n" 11394" : 0.5000000000\n" 11395" : 0.5000000000" 11396msgstr "" 11397"-- 例2 同じ値に設定\n" 11398"UPDATE dummy_rast SET rast = ST_SetSkew(rast,0) WHERE rid = 1;\n" 11399"SELECT rid, ST_SkewX(rast) As skewx, ST_SkewY(rast) As skewy,\n" 11400" ST_GeoReference(rast) as georef\n" 11401"FROM dummy_rast WHERE rid = 1;\n" 11402"\n" 11403" rid | skewx | skewy | georef\n" 11404"-----+-------+-------+--------------\n" 11405" 1 | 0 | 0 | 2.0000000000\n" 11406" : 0.0000000000\n" 11407" : 0.0000000000\n" 11408" : 3.0000000000\n" 11409" : 0.5000000000\n" 11410" : 0.5000000000" 11411 11412#. Tag: para 11413#: reference_raster.xml:4383 11414#, no-c-format 11415msgid "" 11416", <xref linkend=\"RT_ST_SetGeoReference\"/>, <xref linkend=\"RT_ST_SkewX\"/" 11417">, <xref linkend=\"RT_ST_SkewY\"/>" 11418msgstr "" 11419", <xref linkend=\"RT_ST_SetGeoReference\"/>, <xref linkend=\"RT_ST_SkewX\"/" 11420">, <xref linkend=\"RT_ST_SkewY\"/>" 11421 11422#. Tag: refname 11423#: reference_raster.xml:4389 11424#, no-c-format 11425msgid "ST_SetSRID" 11426msgstr "ST_SetSRID" 11427 11428#. Tag: refpurpose 11429#: reference_raster.xml:4391 11430#, no-c-format 11431msgid "" 11432"Sets the SRID of a raster to a particular integer srid defined in the " 11433"spatial_ref_sys table." 11434msgstr "スタのSRIDをspatial_ref_sysに定義されている特定の整数値に設定します。" 11435 11436#. Tag: funcprototype 11437#: reference_raster.xml:4396 11438#, no-c-format 11439msgid "" 11440"<funcdef>raster <function>ST_SetSRID</function></funcdef> " 11441"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11442"<paramdef><type>integer </type> <parameter>srid</parameter></paramdef>" 11443msgstr "" 11444"<funcdef>raster <function>ST_SetSRID</function></funcdef> " 11445"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11446"<paramdef><type>integer </type> <parameter>srid</parameter></paramdef>" 11447 11448#. Tag: para 11449#: reference_raster.xml:4411 11450#, no-c-format 11451msgid "Sets the SRID on a raster to a particular integer value." 11452msgstr "ラスタのSRIDを特定の整数値に設定します。" 11453 11454#. Tag: para 11455#: reference_raster.xml:4414 11456#, no-c-format 11457msgid "" 11458"This function does not transform the raster in any way - it simply sets meta " 11459"data defining the spatial ref of the coordinate reference system that it's " 11460"currently in. Useful for transformations later." 11461msgstr "" 11462"ラスタの投影変換は行いません。単にメタデータを空間参照系の定義されている値に" 11463"設定するだけです。後で投影変換を行う場合に使います。" 11464 11465#. Tag: para 11466#: reference_raster.xml:4424 11467#, no-c-format 11468msgid ", <xref linkend=\"RT_ST_SRID\"/>" 11469msgstr ", <xref linkend=\"RT_ST_SRID\"/>" 11470 11471#. Tag: refname 11472#: reference_raster.xml:4431 11473#, no-c-format 11474msgid "ST_SetUpperLeft" 11475msgstr "ST_SetUpperLeft" 11476 11477#. Tag: refpurpose 11478#: reference_raster.xml:4432 11479#, no-c-format 11480msgid "" 11481"Sets the value of the upper left corner of the pixel of the raster to " 11482"projected X and Y coordinates." 11483msgstr "ラスタの左上隅の投影座標系のX値とY値を設定します。" 11484 11485#. Tag: funcprototype 11486#: reference_raster.xml:4437 11487#, no-c-format 11488msgid "" 11489"<funcdef>raster <function>ST_SetUpperLeft</function></funcdef> " 11490"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11491"<paramdef><type>double precision </type> <parameter>x</parameter></paramdef> " 11492"<paramdef><type>double precision </type> <parameter>y</parameter></paramdef>" 11493msgstr "" 11494"<funcdef>raster <function>ST_SetUpperLeft</function></funcdef> " 11495"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11496"<paramdef><type>double precision </type> <parameter>x</parameter></paramdef> " 11497"<paramdef><type>double precision </type> <parameter>y</parameter></paramdef>" 11498 11499#. Tag: para 11500#: reference_raster.xml:4449 11501#, no-c-format 11502msgid "" 11503"Set the value of the upper left corner of raster to the projected X and Y " 11504"coordinates" 11505msgstr "ラスタの左上隅の投影座標系のX値とY値を設定します。" 11506 11507#. Tag: programlisting 11508#: reference_raster.xml:4455 11509#, no-c-format 11510msgid "" 11511"SELECT ST_SetUpperLeft(rast,-71.01,42.37)\n" 11512"FROM dummy_rast\n" 11513"WHERE rid = 2;" 11514msgstr "" 11515"SELECT ST_SetUpperLeft(rast,-71.01,42.37)\n" 11516"FROM dummy_rast\n" 11517"WHERE rid = 2;" 11518 11519#. Tag: para 11520#: reference_raster.xml:4461 11521#, no-c-format 11522msgid ", <xref linkend=\"RT_ST_UpperLeftY\"/>" 11523msgstr ", <xref linkend=\"RT_ST_UpperLeftY\"/>" 11524 11525#. Tag: refname 11526#: reference_raster.xml:4467 11527#, no-c-format 11528msgid "ST_Resample" 11529msgstr "ST_Resample" 11530 11531#. Tag: refpurpose 11532#: reference_raster.xml:4468 11533#, no-c-format 11534msgid "" 11535"Resample a raster using a specified resampling algorithm, new dimensions, an " 11536"arbitrary grid corner and a set of raster georeferencing attributes defined " 11537"or borrowed from another raster." 11538msgstr "" 11539"指定したリサンプリングアルゴリズム、新しいピクセル範囲、グリッドの隅、定義す" 11540"るか他のラスタから借りてきた地理参照属性を使ってリサンプリングを行います。" 11541 11542#. Tag: funcsynopsis 11543#: reference_raster.xml:4474 11544#, no-c-format 11545msgid "" 11546"<funcprototype> <funcdef>raster <function>ST_Resample</function></funcdef> " 11547"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11548"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 11549"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 11550"<paramdef choice=\"opt\"><type>double precision </type> " 11551"<parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 11552"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 11553"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 11554"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 11555"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 11556"<paramdef choice=\"opt\"><type>text </type> " 11557"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11558"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11559"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11560"<function>ST_Resample</function></funcdef> <paramdef><type>raster </type> " 11561"<parameter>rast</parameter></paramdef> <paramdef choice=\"opt\"><type>double " 11562"precision </type> <parameter>scalex=0</parameter></paramdef> <paramdef " 11563"choice=\"opt\"><type>double precision </type> <parameter>scaley=0</" 11564"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11565"type> <parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 11566"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 11567"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 11568"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 11569"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 11570"<paramdef choice=\"opt\"><type>text </type> " 11571"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 11572"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 11573"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11574"<function>ST_Resample</function></funcdef> <paramdef><type>raster </type> " 11575"<parameter>rast</parameter></paramdef> <paramdef><type>raster </type> " 11576"<parameter>ref</parameter></paramdef> <paramdef choice=\"opt\"><type>text </" 11577"type> <parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11578"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11579"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 11580"<parameter>usescale=true</parameter></paramdef> </funcprototype> " 11581"<funcprototype> <funcdef>raster <function>ST_Resample</function></funcdef> " 11582"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11583"<paramdef><type>raster </type> <parameter>ref</parameter></paramdef> " 11584"<paramdef><type>boolean </type> <parameter>usescale</parameter></paramdef> " 11585"<paramdef choice=\"opt\"><type>text </type> " 11586"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11587"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11588"parameter></paramdef> </funcprototype>" 11589msgstr "" 11590"<funcprototype> <funcdef>raster <function>ST_Resample</function></funcdef> " 11591"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11592"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 11593"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 11594"<paramdef choice=\"opt\"><type>double precision </type> " 11595"<parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 11596"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 11597"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 11598"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 11599"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 11600"<paramdef choice=\"opt\"><type>text </type> " 11601"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11602"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11603"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11604"<function>ST_Resample</function></funcdef> <paramdef><type>raster </type> " 11605"<parameter>rast</parameter></paramdef> <paramdef choice=\"opt\"><type>double " 11606"precision </type> <parameter>scalex=0</parameter></paramdef> <paramdef " 11607"choice=\"opt\"><type>double precision </type> <parameter>scaley=0</" 11608"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11609"type> <parameter>gridx=NULL</parameter></paramdef> <paramdef choice=\"opt" 11610"\"><type>double precision </type> <parameter>gridy=NULL</parameter></" 11611"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 11612"<parameter>skewx=0</parameter></paramdef> <paramdef choice=\"opt" 11613"\"><type>double precision </type> <parameter>skewy=0</parameter></paramdef> " 11614"<paramdef choice=\"opt\"><type>text </type> " 11615"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 11616"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 11617"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11618"<function>ST_Resample</function></funcdef> <paramdef><type>raster </type> " 11619"<parameter>rast</parameter></paramdef> <paramdef><type>raster </type> " 11620"<parameter>ref</parameter></paramdef> <paramdef choice=\"opt\"><type>text </" 11621"type> <parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11622"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11623"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 11624"<parameter>usescale=true</parameter></paramdef> </funcprototype> " 11625"<funcprototype> <funcdef>raster <function>ST_Resample</function></funcdef> " 11626"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11627"<paramdef><type>raster </type> <parameter>ref</parameter></paramdef> " 11628"<paramdef><type>boolean </type> <parameter>usescale</parameter></paramdef> " 11629"<paramdef choice=\"opt\"><type>text </type> " 11630"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11631"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11632"parameter></paramdef> </funcprototype>" 11633 11634#. Tag: para 11635#: reference_raster.xml:4524 11636#, no-c-format 11637msgid "" 11638"Resample a raster using a specified resampling algorithm, new dimensions " 11639"(width & height), a grid corner (gridx & gridy) and a set of raster " 11640"georeferencing attributes (scalex, scaley, skewx & skewy) defined or " 11641"borrowed from another raster. If using a reference raster, the two rasters " 11642"must have the same SRID." 11643msgstr "" 11644"指定したリサンプリングアルゴリズム、新しいピクセル範囲 (width & height)、" 11645"グリッド隅 (gridx & gridy)、定義するか他のラスタから借りてきた地理参照属" 11646"性 (scalex, scaley, skewx, skewy)を使ってリサンプリングを行います。参照ラスタ" 11647"を使用する場合には、二つのラスタは同じSRIDでなければなりません。" 11648 11649#. Tag: para 11650#: reference_raster.xml:4528 11651#, no-c-format 11652msgid "" 11653"New pixel values are computed using the NearestNeighbor (English or American " 11654"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. " 11655"Default is NearestNeighbor which is the fastest but produce the worst " 11656"interpolation." 11657msgstr "" 11658"新しいピクセル値は、リサンプリングアルゴリズムとして最近傍補間 " 11659"('NearestNeighbor' (米式綴り方))、双線形補間 ('Bilinear')、3次補間 " 11660"('Cubic')、3次スプライン補間 ('CubicSpline')、ランチョス補間 ('Lanczos')を用" 11661"います。デフォルトは最も早いですが最も悪い内挿を行う最近傍補間です。" 11662 11663#. Tag: para 11664#: reference_raster.xml:4532 11665#, no-c-format 11666msgid "" 11667"A maxerror percent of 0.125 is used if no <varname>maxerr</varname> is " 11668"specified." 11669msgstr "<varname>maxerr</varname>が指定されていない場合には0.125とします。" 11670 11671#. Tag: para 11672#: reference_raster.xml:4537 reference_raster.xml:4601 11673#: reference_raster.xml:4669 reference_raster.xml:4747 11674#, no-c-format 11675msgid "" 11676"Refer to: <ulink url=\"http://www.gdal.org/gdalwarp.html\">GDAL Warp " 11677"resampling methods</ulink> for more details." 11678msgstr "" 11679"詳細については <ulink url=\"http://www.gdal.org/gdalwarp.html\">GDAL Warp " 11680"resampling methods</ulink>をご覧下さい。" 11681 11682#. Tag: para 11683#: reference_raster.xml:4541 reference_raster.xml:4605 11684#: reference_raster.xml:4673 reference_raster.xml:4751 11685#: reference_raster.xml:4907 11686#, no-c-format 11687msgid "Availability: 2.0.0 Requires GDAL 1.6.1+" 11688msgstr "Availability: 2.0.0 GDAL 1.6.1以上が必要です。" 11689 11690#. Tag: para 11691#: reference_raster.xml:4542 11692#, no-c-format 11693msgid "" 11694"Changed: 2.1.0 Parameter srid removed. Variants with a reference raster no " 11695"longer applies the reference raster's SRID. Use ST_Transform() to reproject " 11696"raster. Works on rasters with no SRID." 11697msgstr "" 11698"Changed: 2.1.0 srid引数を削除しました。参照ラスタを使う形式では、もはや参照ラ" 11699"スタのSRIDを適用しません。ラスタの投影変換にはST_Transform()を使います。SRID" 11700"なしで動作します。" 11701 11702#. Tag: programlisting 11703#: reference_raster.xml:4548 11704#, no-c-format 11705msgid "" 11706"SELECT\n" 11707" ST_Width(orig) AS orig_width,\n" 11708" ST_Width(reduce_100) AS new_width\n" 11709"FROM (\n" 11710" SELECT\n" 11711" rast AS orig,\n" 11712" ST_Resample(rast,100,100) AS reduce_100\n" 11713" FROM aerials.boston\n" 11714" WHERE ST_Intersects(rast,\n" 11715" ST_Transform(\n" 11716" ST_MakeEnvelope(-71.128, 42.2392,-71.1277, 42.2397, " 11717"4326),26986)\n" 11718" )\n" 11719" LIMIT 1\n" 11720") AS foo;\n" 11721"\n" 11722" orig_width | new_width\n" 11723"------------+-------------\n" 11724" 200 | 100" 11725msgstr "" 11726"SELECT\n" 11727" ST_Width(orig) AS orig_width,\n" 11728" ST_Width(reduce_100) AS new_width\n" 11729"FROM (\n" 11730" SELECT\n" 11731" rast AS orig,\n" 11732" ST_Resample(rast,100,100) AS reduce_100\n" 11733" FROM aerials.boston\n" 11734" WHERE ST_Intersects(rast,\n" 11735" ST_Transform(\n" 11736" ST_MakeEnvelope(-71.128, 42.2392,-71.1277, 42.2397, " 11737"4326),26986)\n" 11738" )\n" 11739" LIMIT 1\n" 11740") AS foo;\n" 11741"\n" 11742" orig_width | new_width\n" 11743"------------+-------------\n" 11744" 200 | 100" 11745 11746#. Tag: para 11747#: reference_raster.xml:4553 11748#, no-c-format 11749msgid ", <xref linkend=\"RT_ST_Resize\"/>, <xref linkend=\"RT_ST_Transform\"/>" 11750msgstr "" 11751", <xref linkend=\"RT_ST_Resize\"/>, <xref linkend=\"RT_ST_Transform\"/>" 11752 11753#. Tag: refname 11754#: reference_raster.xml:4563 11755#, no-c-format 11756msgid "ST_Rescale" 11757msgstr "ST_Rescale" 11758 11759#. Tag: refpurpose 11760#: reference_raster.xml:4564 11761#, no-c-format 11762msgid "" 11763"Resample a raster by adjusting only its scale (or pixel size). New pixel " 11764"values are computed using the NearestNeighbor (english or american " 11765"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. " 11766"Default is NearestNeighbor." 11767msgstr "" 11768"スケール (ピクセルサイズ)だけを調整するリサンプリングを行います。新しいピクセ" 11769"ル値のリサンプリングアルゴリズムとして最近傍補間 ('NearestNeighbor' (米式綴り" 11770"方))、双線形補間 ('Bilinear')、3次補間 ('Cubic')、3次スプライン補間 " 11771"('CubicSpline')、ランチョス補間 ('Lanczos')を用います。デフォルトは最近傍補間" 11772"です。" 11773 11774#. Tag: funcsynopsis 11775#: reference_raster.xml:4569 11776#, no-c-format 11777msgid "" 11778"<funcprototype> <funcdef>raster <function>ST_Rescale</function></funcdef> " 11779"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11780"<paramdef><type>double precision </type> <parameter>scalexy</parameter></" 11781"paramdef> <paramdef choice=\"opt\"><type>text </type> " 11782"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11783"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11784"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11785"<function>ST_Rescale</function></funcdef> <paramdef><type>raster </type> " 11786"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 11787"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 11788"precision </type> <parameter>scaley</parameter></paramdef> <paramdef choice=" 11789"\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbour</" 11790"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11791"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype>" 11792msgstr "" 11793"<funcprototype> <funcdef>raster <function>ST_Rescale</function></funcdef> " 11794"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11795"<paramdef><type>double precision </type> <parameter>scalexy</parameter></" 11796"paramdef> <paramdef choice=\"opt\"><type>text </type> " 11797"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11798"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11799"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11800"<function>ST_Rescale</function></funcdef> <paramdef><type>raster </type> " 11801"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 11802"type> <parameter>scalex</parameter></paramdef> <paramdef><type>double " 11803"precision </type> <parameter>scaley</parameter></paramdef> <paramdef choice=" 11804"\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbour</" 11805"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11806"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype>" 11807 11808#. Tag: para 11809#: reference_raster.xml:4593 11810#, no-c-format 11811msgid "" 11812"Resample a raster by adjusting only its scale (or pixel size). New pixel " 11813"values are computed using the NearestNeighbor (english or american " 11814"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. The " 11815"default is NearestNeighbor which is the fastest but results in the worst " 11816"interpolation." 11817msgstr "" 11818"スケール (ピクセルサイズ)だけを調整するリサンプリングを行います。新しいピクセ" 11819"ル値のリサンプリングアルゴリズムとして最近傍補間 ('NearestNeighbor' (米式綴り" 11820"方))、双線形補間 ('Bilinear')、3次補間 ('Cubic')、3次スプライン補間 " 11821"('CubicSpline')、ランチョス補間 ('Lanczos')を用います。デフォルトは最も早いで" 11822"すが最も悪い内挿を行う最近傍補間です。" 11823 11824#. Tag: para 11825#: reference_raster.xml:4595 11826#, no-c-format 11827msgid "" 11828"<varname>scalex</varname> and <varname>scaley</varname> define the new pixel " 11829"size. scaley must often be negative to get well oriented raster." 11830msgstr "" 11831"<varname>scalex</varname>と<varname>scaley</varname>で、新しいピクセルサイズ" 11832"を定義します。ラスタを正しい方向にするには、scaleyは負数でなければならないこ" 11833"とがしばしばあります。" 11834 11835#. Tag: para 11836#: reference_raster.xml:4597 11837#, no-c-format 11838msgid "" 11839"When the new scalex or scaley is not a divisor of the raster width or " 11840"height, the extent of the resulting raster is expanded to encompass the " 11841"extent of the provided raster. If you want to be sure to retain exact input " 11842"extent see <xref linkend=\"RT_ST_Resize\"/>" 11843msgstr "" 11844"新しいscalexまたはscaleyがラスタのwidthまたはheightの除数でない時、結果ラスタ" 11845"の範囲は元のラスタの範囲を含むために拡大されます。<xref linkend=" 11846"\"RT_ST_Resize\"/>をご覧ください。" 11847 11848#. Tag: para 11849#: reference_raster.xml:4599 11850#, no-c-format 11851msgid "" 11852"<varname>maxerr</varname> is the threshold for transformation approximation " 11853"by the resampling algorithm (in pixel units). A default of 0.125 is used if " 11854"no <varname>maxerr</varname> is specified, which is the same value used in " 11855"GDAL gdalwarp utility. If set to zero, no approximation takes place." 11856msgstr "" 11857 11858#. Tag: para 11859#: reference_raster.xml:4603 11860#, no-c-format 11861msgid "" 11862"ST_Rescale is different from <xref linkend=\"RT_ST_SetScale\"/> in that " 11863"ST_SetScale do not resample the raster to match the raster extent. " 11864"ST_SetScale only changes the metadata (or georeference) of the raster to " 11865"correct an originally mis-specified scaling. ST_Rescale results in a raster " 11866"having different width and height computed to fit the geographic extent of " 11867"the input raster. ST_SetScale do not modify the width, nor the height of the " 11868"raster." 11869msgstr "" 11870"ST_Recalcは、ST_SetScaleはラスタ範囲に合わせるためのリサンプリングをしない点" 11871"で、<xref linkend=\"RT_ST_SetScale\"/>と異なります。ST_SetScaleは根本的に誤っ" 11872"た設定を行ったのを訂正するためにラスタのメタデータ (地理参照)を変更するだけで" 11873"す。ST_Rescaleは、入力ラスタの地理範囲に合わせて計算された幅、高さを持つラス" 11874"タを返します。ST_SetScaleはラスタの幅も高さも変更しません。" 11875 11876#. Tag: para 11877#: reference_raster.xml:4606 reference_raster.xml:4674 11878#: reference_raster.xml:4752 11879#, no-c-format 11880msgid "Changed: 2.1.0 Works on rasters with no SRID" 11881msgstr "Changed: 2.1.0 SRIDなしのラスタで動作するようになりました。" 11882 11883#. Tag: para 11884#: reference_raster.xml:4611 11885#, no-c-format 11886msgid "" 11887"A simple example rescaling a raster from a pixel size of 0.001 degree to a " 11888"pixel size of 0.0015 degree." 11889msgstr "" 11890"ラスタのピクセルサイズを0.001度から0.0015度にスケール再設定を行う例です。" 11891 11892#. Tag: programlisting 11893#: reference_raster.xml:4613 11894#, no-c-format 11895msgid "" 11896"-- the original raster pixel size\n" 11897"SELECT ST_PixelWidth(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 0.001, " 11898"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0)) width\n" 11899"\n" 11900" width\n" 11901"----------\n" 11902"0.001\n" 11903"\n" 11904"-- the rescaled raster raster pixel size\n" 11905"SELECT ST_PixelWidth(ST_Rescale(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, " 11906"0, 0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0015)) width\n" 11907"\n" 11908" width\n" 11909"----------\n" 11910"0.0015" 11911msgstr "" 11912"-- 元のラスタのピクセルサイズ\n" 11913"SELECT ST_PixelWidth(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 0.001, " 11914"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0)) width\n" 11915"\n" 11916" width\n" 11917"----------\n" 11918"0.001\n" 11919"\n" 11920"-- スケール再設定したラスタのピクセルサイズ\n" 11921"SELECT ST_PixelWidth(ST_Rescale(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, " 11922"0, 0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0015)) width\n" 11923"\n" 11924" width\n" 11925"----------\n" 11926"0.0015" 11927 11928#. Tag: para 11929#: reference_raster.xml:4618 11930#, no-c-format 11931msgid "" 11932", <xref linkend=\"RT_ST_Resample\"/>, <xref linkend=\"RT_ST_SetScale\"/>, " 11933"<xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 11934"linkend=\"RT_ST_Transform\"/>" 11935msgstr "" 11936", <xref linkend=\"RT_ST_Resample\"/>, <xref linkend=\"RT_ST_SetScale\"/>, " 11937"<xref linkend=\"RT_ST_ScaleX\"/>, <xref linkend=\"RT_ST_ScaleY\"/>, <xref " 11938"linkend=\"RT_ST_Transform\"/>" 11939 11940#. Tag: refname 11941#: reference_raster.xml:4631 11942#, no-c-format 11943msgid "ST_Reskew" 11944msgstr "ST_Reskew" 11945 11946#. Tag: refpurpose 11947#: reference_raster.xml:4632 11948#, no-c-format 11949msgid "" 11950"Resample a raster by adjusting only its skew (or rotation parameters). New " 11951"pixel values are computed using the NearestNeighbor (english or american " 11952"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. " 11953"Default is NearestNeighbor." 11954msgstr "" 11955"キュー (回転パラメタ)だけを調整するリサンプリングを行います。新しいピクセル値" 11956"のリサンプリングアルゴリズムとして最近傍補間 ('NearestNeighbor' (米式綴り" 11957"方))、双線形補間 ('Bilinear')、3次補間 ('Cubic')、3次スプライン補間 " 11958"('CubicSpline')、ランチョス補間 ('Lanczos')を用います。デフォルトは最近傍補間" 11959"です。" 11960 11961#. Tag: funcsynopsis 11962#: reference_raster.xml:4637 11963#, no-c-format 11964msgid "" 11965"<funcprototype> <funcdef>raster <function>ST_Reskew</function></funcdef> " 11966"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11967"<paramdef><type>double precision </type> <parameter>skewxy</parameter></" 11968"paramdef> <paramdef choice=\"opt\"><type>text </type> " 11969"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11970"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11971"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11972"<function>ST_Reskew</function></funcdef> <paramdef><type>raster </type> " 11973"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 11974"type> <parameter>skewx</parameter></paramdef> <paramdef><type>double " 11975"precision </type> <parameter>skewy</parameter></paramdef> <paramdef choice=" 11976"\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbour</" 11977"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11978"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype>" 11979msgstr "" 11980"<funcprototype> <funcdef>raster <function>ST_Reskew</function></funcdef> " 11981"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 11982"<paramdef><type>double precision </type> <parameter>skewxy</parameter></" 11983"paramdef> <paramdef choice=\"opt\"><type>text </type> " 11984"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 11985"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 11986"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 11987"<function>ST_Reskew</function></funcdef> <paramdef><type>raster </type> " 11988"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 11989"type> <parameter>skewx</parameter></paramdef> <paramdef><type>double " 11990"precision </type> <parameter>skewy</parameter></paramdef> <paramdef choice=" 11991"\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbour</" 11992"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 11993"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype>" 11994 11995#. Tag: para 11996#: reference_raster.xml:4661 11997#, no-c-format 11998msgid "" 11999"Resample a raster by adjusting only its skew (or rotation parameters). New " 12000"pixel values are computed using the NearestNeighbor (english or american " 12001"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. The " 12002"default is NearestNeighbor which is the fastest but results in the worst " 12003"interpolation." 12004msgstr "" 12005"スキュー (回転パラメタ)だけを調整するリサンプリングを行います。新しいピクセル" 12006"値のリサンプリングアルゴリズムとして最近傍補間 ('NearestNeighbor' (米式綴り" 12007"方))、双線形補間 ('Bilinear')、3次補間 ('Cubic')、3次スプライン補間 " 12008"('CubicSpline')、ランチョス補間 ('Lanczos')を用います。デフォルトは最も早いで" 12009"すが最も悪い内挿を行う最近傍補間です。" 12010 12011#. Tag: para 12012#: reference_raster.xml:4663 12013#, no-c-format 12014msgid "" 12015"<varname>skewx</varname> and <varname>skewy</varname> define the new skew." 12016msgstr "" 12017"<varname>skewx</varname>と<varname>skewy</varname>によって新しいスキューが定" 12018"義されます。" 12019 12020#. Tag: para 12021#: reference_raster.xml:4665 reference_raster.xml:4743 12022#, no-c-format 12023msgid "" 12024"The extent of the new raster will encompass the extent of the provided " 12025"raster." 12026msgstr "新しいラスタの範囲は元のラスタの範囲を含みます。" 12027 12028#. Tag: para 12029#: reference_raster.xml:4667 reference_raster.xml:4745 12030#, no-c-format 12031msgid "" 12032"A maxerror percent of 0.125 if no <varname>maxerr</varname> is specified." 12033msgstr "<varname>maxerr</varname>が指定されていない場合には0.125とします。" 12034 12035#. Tag: para 12036#: reference_raster.xml:4671 12037#, no-c-format 12038msgid "" 12039"ST_Reskew is different from <xref linkend=\"RT_ST_SetSkew\"/> in that " 12040"ST_SetSkew do not resample the raster to match the raster extent. ST_SetSkew " 12041"only changes the metadata (or georeference) of the raster to correct an " 12042"originally mis-specified skew. ST_Reskew results in a raster having " 12043"different width and height computed to fit the geographic extent of the " 12044"input raster. ST_SetSkew do not modify the width, nor the height of the " 12045"raster." 12046msgstr "" 12047"ST_Reskewは、ST_SetSkewがラスタの範囲をあわせるためのリサンプリングをしない点" 12048"で<xref linkend=\"RT_ST_SetSkew\"/>と異なります。根本的に誤った設定を行ったの" 12049"を訂正するためにラスタのメタデータ (地理参照)を変更するだけです。ST_Reskew" 12050"は、入力ラスタの地理範囲に合わせて計算された幅、高さを持つラスタを返します。" 12051"ST_SetSkewはラスタの幅も高さも変更しません。" 12052 12053#. Tag: para 12054#: reference_raster.xml:4679 12055#, no-c-format 12056msgid "" 12057"A simple example reskewing a raster from a skew of 0.0 to a skew of 0.0015." 12058msgstr "スキューを0.0から0.0015に再設定する簡単な例です。" 12059 12060#. Tag: programlisting 12061#: reference_raster.xml:4681 12062#, no-c-format 12063msgid "" 12064"-- the original raster non-rotated\n" 12065"SELECT ST_Rotation(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 0.001, " 12066"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0));\n" 12067"\n" 12068"-- result\n" 12069"0\n" 12070"\n" 12071"-- the reskewed raster raster rotation\n" 12072"SELECT ST_Rotation(ST_Reskew(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, " 12073"0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0015));\n" 12074"\n" 12075"-- result\n" 12076"-0.982793723247329" 12077msgstr "" 12078"-- 回転前の元のラスタ\n" 12079"SELECT ST_Rotation(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, 0.001, " 12080"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0));\n" 12081"\n" 12082"-- 結果\n" 12083"0\n" 12084"\n" 12085"-- ST_Reskewを施したラスタの回転\n" 12086"SELECT ST_Rotation(ST_Reskew(ST_AddBand(ST_MakeEmptyRaster(100, 100, 0, 0, " 12087"0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0015));\n" 12088"\n" 12089"-- 結果\n" 12090"-0.982793723247329" 12091 12092#. Tag: para 12093#: reference_raster.xml:4687 12094#, no-c-format 12095msgid "" 12096", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_SetSkew\"/>, " 12097"<xref linkend=\"RT_ST_SetRotation\"/>, <xref linkend=\"RT_ST_SkewX\"/>, " 12098"<xref linkend=\"RT_ST_SkewY\"/>, <xref linkend=\"RT_ST_Transform\"/>" 12099msgstr "" 12100", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_SetSkew\"/>, " 12101"<xref linkend=\"RT_ST_SetRotation\"/>, <xref linkend=\"RT_ST_SkewX\"/>, " 12102"<xref linkend=\"RT_ST_SkewY\"/>, <xref linkend=\"RT_ST_Transform\"/>" 12103 12104#. Tag: refname 12105#: reference_raster.xml:4693 12106#, no-c-format 12107msgid "ST_SnapToGrid" 12108msgstr "ST_SnapToGrid" 12109 12110#. Tag: refpurpose 12111#: reference_raster.xml:4694 12112#, no-c-format 12113msgid "" 12114"Resample a raster by snapping it to a grid. New pixel values are computed " 12115"using the NearestNeighbor (english or american spelling), Bilinear, Cubic, " 12116"CubicSpline or Lanczos resampling algorithm. Default is NearestNeighbor." 12117msgstr "" 12118"グリッドにスナップすることでラスタをリサンプリングします。新しいピクセル値の" 12119"リサンプリングアルゴリズムとして最近傍補間 ('NearestNeighbor' (米式綴り方))、" 12120"双線形補間 ('Bilinear')、3次補間 ('Cubic')、3次スプライン補間 " 12121"('CubicSpline')、ランチョス補間('Lanczos')を用います。デフォルトは最近傍補間" 12122"です。" 12123 12124#. Tag: funcsynopsis 12125#: reference_raster.xml:4699 12126#, no-c-format 12127msgid "" 12128"<funcprototype> <funcdef>raster <function>ST_SnapToGrid</function></funcdef> " 12129"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12130"<paramdef><type>double precision </type> <parameter>gridx</parameter></" 12131"paramdef> <paramdef><type>double precision </type> <parameter>gridy</" 12132"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 12133"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12134"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12135"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 12136"type> <parameter>scalex=DEFAULT 0</parameter></paramdef> <paramdef choice=" 12137"\"opt\"><type>double precision </type> <parameter>scaley=DEFAULT 0</" 12138"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12139"<function>ST_SnapToGrid</function></funcdef> <paramdef><type>raster </type> " 12140"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12141"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 12142"precision </type> <parameter>gridy</parameter></paramdef> " 12143"<paramdef><type>double precision </type> <parameter>scalex</parameter></" 12144"paramdef> <paramdef><type>double precision </type> <parameter>scaley</" 12145"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 12146"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12147"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12148"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12149"<function>ST_SnapToGrid</function></funcdef> <paramdef><type>raster </type> " 12150"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12151"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 12152"precision </type> <parameter>gridy</parameter></paramdef> " 12153"<paramdef><type>double precision </type> <parameter>scalexy</parameter></" 12154"paramdef> <paramdef choice=\"opt\"><type>text </type> " 12155"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12156"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12157"parameter></paramdef> </funcprototype>" 12158msgstr "" 12159"<funcprototype> <funcdef>raster <function>ST_SnapToGrid</function></funcdef> " 12160"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12161"<paramdef><type>double precision </type> <parameter>gridx</parameter></" 12162"paramdef> <paramdef><type>double precision </type> <parameter>gridy</" 12163"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 12164"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12165"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12166"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 12167"type> <parameter>scalex=DEFAULT 0</parameter></paramdef> <paramdef choice=" 12168"\"opt\"><type>double precision </type> <parameter>scaley=DEFAULT 0</" 12169"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12170"<function>ST_SnapToGrid</function></funcdef> <paramdef><type>raster </type> " 12171"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12172"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 12173"precision </type> <parameter>gridy</parameter></paramdef> " 12174"<paramdef><type>double precision </type> <parameter>scalex</parameter></" 12175"paramdef> <paramdef><type>double precision </type> <parameter>scaley</" 12176"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 12177"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12178"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12179"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12180"<function>ST_SnapToGrid</function></funcdef> <paramdef><type>raster </type> " 12181"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12182"type> <parameter>gridx</parameter></paramdef> <paramdef><type>double " 12183"precision </type> <parameter>gridy</parameter></paramdef> " 12184"<paramdef><type>double precision </type> <parameter>scalexy</parameter></" 12185"paramdef> <paramdef choice=\"opt\"><type>text </type> " 12186"<parameter>algorithm=NearestNeighbour</parameter></paramdef> <paramdef " 12187"choice=\"opt\"><type>double precision </type> <parameter>maxerr=0.125</" 12188"parameter></paramdef> </funcprototype>" 12189 12190#. Tag: para 12191#: reference_raster.xml:4738 12192#, no-c-format 12193msgid "" 12194"Resample a raster by snapping it to a grid defined by an arbitrary pixel " 12195"corner (gridx & gridy) and optionally a pixel size (scalex & " 12196"scaley). New pixel values are computed using the NearestNeighbor (english or " 12197"american spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling " 12198"algorithm. The default is NearestNeighbor which is the fastest but results " 12199"in the worst interpolation." 12200msgstr "" 12201"任意のピクセル隅 (gridx & gridy)と、任意引数としてピクセルサイズ (scalex " 12202"& scaley)によって定義されるグリッドにスナップすることでラスタをリサンプリ" 12203"ングします。新しいピクセル値のリサンプリングアルゴリズムとして最近傍補間 " 12204"('NearestNeighbor' (米式綴り方))、双線形補間 ('Bilinear')、3次補間 " 12205"('Cubic')、3次スプライン補間 ('CubicSpline')、ランチョス補間 ('Lanczos')を用" 12206"います。デフォルトは最も早いですが最も悪い内挿を行う最近傍補間です。" 12207 12208#. Tag: para 12209#: reference_raster.xml:4740 12210#, no-c-format 12211msgid "" 12212"<varname>gridx</varname> and <varname>gridy</varname> define any arbitrary " 12213"pixel corner of the new grid. This is not necessarily the upper left corner " 12214"of the new raster and it does not have to be inside or on the edge of the " 12215"new raster extent." 12216msgstr "" 12217"<varname>gridx</varname>と<varname>gridy</varname>は、新しいグリッドの任意の" 12218"ピクセル隅を定義します。これは新しいラスタの左上隅に必ずなるものではありませ" 12219"ん。新しいラスタ範囲の内部または境界である必要はありません。" 12220 12221#. Tag: para 12222#: reference_raster.xml:4742 12223#, no-c-format 12224msgid "" 12225"You can optionally define the pixel size of the new grid with " 12226"<varname>scalex</varname> and <varname>scaley</varname>." 12227msgstr "" 12228"任意引数として、新しいグリッドのピクセルサイズを<varname>scalex</varname>と" 12229"<varname>scaley</varname>で指定することができます。" 12230 12231#. Tag: para 12232#: reference_raster.xml:4749 12233#, no-c-format 12234msgid "" 12235"Use <xref linkend=\"RT_ST_Resample\"/> if you need more control over the " 12236"grid parameters." 12237msgstr "" 12238"グリッドパラメタより多くの制御が必要な場合には、<xref linkend=" 12239"\"RT_ST_Resample\"/>を使います。" 12240 12241#. Tag: para 12242#: reference_raster.xml:4757 12243#, no-c-format 12244msgid "A simple example snapping a raster to a slightly different grid." 12245msgstr "ラスタをわずかに異なるグリッドにスナップさせる簡単な例です。" 12246 12247#. Tag: programlisting 12248#: reference_raster.xml:4759 12249#, no-c-format 12250msgid "" 12251"-- the original raster upper left X\n" 12252"SELECT ST_UpperLeftX(ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, 0, 0.001, " 12253"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0));\n" 12254"-- result\n" 12255"0\n" 12256"\n" 12257"-- the upper left of raster after snapping\n" 12258"SELECT ST_UpperLeftX(ST_SnapToGrid(ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, " 12259"0, 0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0002, 0.0002));\n" 12260"\n" 12261"--result\n" 12262"-0.0008" 12263msgstr "" 12264"-- 元のラスタの左上隅のX値\n" 12265"\n" 12266"SELECT ST_UpperLeftX(ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, 0, 0.001, " 12267"-0.001, 0, 0, 4269), '8BUI'::text, 1, 0));\n" 12268"-- 結果\n" 12269"0\n" 12270"\n" 12271"-- スナップしたラスタの左上隅のX値\n" 12272"SELECT ST_UpperLeftX(ST_SnapToGrid(ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, " 12273"0, 0.001, -0.001, 0, 0, 4269), '8BUI'::text, 1, 0), 0.0002, 0.0002));\n" 12274"\n" 12275"-- 結果\n" 12276"-0.0008" 12277 12278#. Tag: para 12279#: reference_raster.xml:4765 12280#, no-c-format 12281msgid "" 12282", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_UpperLeftX\"/>, " 12283"<xref linkend=\"RT_ST_UpperLeftY\"/>" 12284msgstr "" 12285", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_UpperLeftX\"/>, " 12286"<xref linkend=\"RT_ST_UpperLeftY\"/>" 12287 12288#. Tag: refname 12289#: reference_raster.xml:4771 12290#, no-c-format 12291msgid "ST_Resize" 12292msgstr "ST_Resize" 12293 12294#. Tag: refpurpose 12295#: reference_raster.xml:4772 12296#, no-c-format 12297msgid "Resize a raster to a new width/height" 12298msgstr "ラスタを新しい幅、高さにサイズ再設定を行います。" 12299 12300#. Tag: funcsynopsis 12301#: reference_raster.xml:4776 12302#, no-c-format 12303msgid "" 12304"<funcprototype> <funcdef>raster <function>ST_Resize</function></funcdef> " 12305"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12306"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 12307"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 12308"<paramdef choice=\"opt\"><type>text </type> " 12309"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12310"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12311"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12312"<function>ST_Resize</function></funcdef> <paramdef><type>raster </type> " 12313"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12314"type> <parameter>percentwidth</parameter></paramdef> <paramdef><type>double " 12315"precision </type> <parameter>percentheight</parameter></paramdef> <paramdef " 12316"choice=\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbor</" 12317"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 12318"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype> " 12319"<funcprototype> <funcdef>raster <function>ST_Resize</function></funcdef> " 12320"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12321"<paramdef><type>text </type> <parameter>width</parameter></paramdef> " 12322"<paramdef><type>text </type> <parameter>height</parameter></paramdef> " 12323"<paramdef choice=\"opt\"><type>text </type> " 12324"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12325"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12326"paramdef> </funcprototype>" 12327msgstr "" 12328"<funcprototype> <funcdef>raster <function>ST_Resize</function></funcdef> " 12329"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12330"<paramdef><type>integer </type> <parameter>width</parameter></paramdef> " 12331"<paramdef><type>integer </type> <parameter>height</parameter></paramdef> " 12332"<paramdef choice=\"opt\"><type>text </type> " 12333"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12334"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12335"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12336"<function>ST_Resize</function></funcdef> <paramdef><type>raster </type> " 12337"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 12338"type> <parameter>percentwidth</parameter></paramdef> <paramdef><type>double " 12339"precision </type> <parameter>percentheight</parameter></paramdef> <paramdef " 12340"choice=\"opt\"><type>text </type> <parameter>algorithm=NearestNeighbor</" 12341"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 12342"type> <parameter>maxerr=0.125</parameter></paramdef> </funcprototype> " 12343"<funcprototype> <funcdef>raster <function>ST_Resize</function></funcdef> " 12344"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12345"<paramdef><type>text </type> <parameter>width</parameter></paramdef> " 12346"<paramdef><type>text </type> <parameter>height</parameter></paramdef> " 12347"<paramdef choice=\"opt\"><type>text </type> " 12348"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12349"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12350"paramdef> </funcprototype>" 12351 12352#. Tag: para 12353#: reference_raster.xml:4810 12354#, no-c-format 12355msgid "" 12356"Resize a raster to a new width/height. The new width/height can be specified " 12357"in exact number of pixels or a percentage of the raster's width/height. The " 12358"extent of the the new raster will be the same as the extent of the provided " 12359"raster." 12360msgstr "" 12361"ラスタを新しい幅、高さにサイズ再設定を行います。新しい幅、高さはピクセル数で" 12362"確実に指定するか、ラスタの幅、高さの比率で指定します。新しいラスタの範囲は元" 12363"のラスタの範囲と同じです。" 12364 12365#. Tag: para 12366#: reference_raster.xml:4814 12367#, no-c-format 12368msgid "" 12369"New pixel values are computed using the NearestNeighbor (english or american " 12370"spelling), Bilinear, Cubic, CubicSpline or Lanczos resampling algorithm. The " 12371"default is NearestNeighbor which is the fastest but results in the worst " 12372"interpolation." 12373msgstr "" 12374"新しいピクセル値のリサンプリングアルゴリズムとして最近傍補間 " 12375"('NearestNeighbor' (米式綴り方))、双線形補間 ('Bilinear')、3次補間 " 12376"('Cubic')、3次スプライン補間 ('CubicSpline')、ランチョス補間 ('Lanczos')を用" 12377"います。デフォルトは最も早いですが最も悪い内挿を行う最近傍補間です。" 12378 12379#. Tag: para 12380#: reference_raster.xml:4818 12381#, no-c-format 12382msgid "Variant 1 expects the actual width/height of the output raster." 12383msgstr "一つ目の形式では、出力ラスタの実際の幅、高さを予定しています。" 12384 12385#. Tag: para 12386#: reference_raster.xml:4822 12387#, no-c-format 12388msgid "" 12389"Variant 2 expects decimal values between zero (0) and one (1) indicating the " 12390"percentage of the input raster's width/height." 12391msgstr "" 12392"二つ目の形式では、0から1の間の値で、入力ラスタの幅、高さに対する比率を指定し" 12393"ています。" 12394 12395#. Tag: para 12396#: reference_raster.xml:4826 12397#, no-c-format 12398msgid "" 12399"Variant 3 takes either the actual width/height of the output raster or a " 12400"textual percentage (\"20%\") indicating the percentage of the input raster's " 12401"width/height." 12402msgstr "" 12403"三つ目の形式では、出力ラスタの実際の幅、高さを取るか、文字列による入力ラスタ" 12404"の幅、高さに対する百分率 (\"20%\")を取ります。" 12405 12406#. Tag: para 12407#: reference_raster.xml:4830 12408#, no-c-format 12409msgid "Availability: 2.1.0 Requires GDAL 1.6.1+" 12410msgstr "Availability: 2.1.0 GDAL 1.6.1以上が必要です。" 12411 12412#. Tag: programlisting 12413#: reference_raster.xml:4834 12414#, no-c-format 12415msgid "" 12416"WITH foo AS(\n" 12417"SELECT\n" 12418" 1 AS rid,\n" 12419" ST_Resize(\n" 12420" ST_AddBand(\n" 12421" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12422"0)\n" 12423" , 1, '8BUI', 255, 0\n" 12424" )\n" 12425" , '50%', '500') AS rast\n" 12426"UNION ALL\n" 12427"SELECT\n" 12428" 2 AS rid,\n" 12429" ST_Resize(\n" 12430" ST_AddBand(\n" 12431" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12432"0)\n" 12433" , 1, '8BUI', 255, 0\n" 12434" )\n" 12435" , 500, 100) AS rast\n" 12436"UNION ALL\n" 12437"SELECT\n" 12438" 3 AS rid,\n" 12439" ST_Resize(\n" 12440" ST_AddBand(\n" 12441" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12442"0)\n" 12443" , 1, '8BUI', 255, 0\n" 12444" )\n" 12445" , 0.25, 0.9) AS rast\n" 12446"), bar AS (\n" 12447" SELECT rid, ST_Metadata(rast) AS meta, rast FROM foo\n" 12448")\n" 12449"SELECT rid, (meta).* FROM bar\n" 12450"\n" 12451" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 12452"skewy | srid | numbands\n" 12453"-----+------------+------------+-------+--------+--------+--------+-------" 12454"+-------+------+----------\n" 12455" 1 | 0 | 0 | 500 | 500 | 1 | -1 | 0 " 12456"| 0 | 0 | 1\n" 12457" 2 | 0 | 0 | 500 | 100 | 1 | -1 | 0 " 12458"| 0 | 0 | 1\n" 12459" 3 | 0 | 0 | 250 | 900 | 1 | -1 | 0 " 12460"| 0 | 0 | 1\n" 12461"(3 rows)" 12462msgstr "" 12463"WITH foo AS(\n" 12464"SELECT\n" 12465" 1 AS rid,\n" 12466" ST_Resize(\n" 12467" ST_AddBand(\n" 12468" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12469"0)\n" 12470" , 1, '8BUI', 255, 0\n" 12471" )\n" 12472" , '50%', '500') AS rast\n" 12473"UNION ALL\n" 12474"SELECT\n" 12475" 2 AS rid,\n" 12476" ST_Resize(\n" 12477" ST_AddBand(\n" 12478" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12479"0)\n" 12480" , 1, '8BUI', 255, 0\n" 12481" )\n" 12482" , 500, 100) AS rast\n" 12483"UNION ALL\n" 12484"SELECT\n" 12485" 3 AS rid,\n" 12486" ST_Resize(\n" 12487" ST_AddBand(\n" 12488" ST_MakeEmptyRaster(1000, 1000, 0, 0, 1, -1, 0, 0, " 12489"0)\n" 12490" , 1, '8BUI', 255, 0\n" 12491" )\n" 12492" , 0.25, 0.9) AS rast\n" 12493"), bar AS (\n" 12494" SELECT rid, ST_Metadata(rast) AS meta, rast FROM foo\n" 12495")\n" 12496"SELECT rid, (meta).* FROM bar\n" 12497"\n" 12498" rid | upperleftx | upperlefty | width | height | scalex | scaley | skewx | " 12499"skewy | srid | numbands\n" 12500"-----+------------+------------+-------+--------+--------+--------+-------" 12501"+-------+------+----------\n" 12502" 1 | 0 | 0 | 500 | 500 | 1 | -1 | 0 " 12503"| 0 | 0 | 1\n" 12504" 2 | 0 | 0 | 500 | 100 | 1 | -1 | 0 " 12505"| 0 | 0 | 1\n" 12506" 3 | 0 | 0 | 250 | 900 | 1 | -1 | 0 " 12507"| 0 | 0 | 1\n" 12508"(3 rows)" 12509 12510#. Tag: para 12511#: reference_raster.xml:4839 12512#, no-c-format 12513msgid "" 12514", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_Reskew\"/>, <xref " 12515"linkend=\"RT_ST_SnapToGrid\"/>" 12516msgstr "" 12517", <xref linkend=\"RT_ST_Rescale\"/>, <xref linkend=\"RT_ST_Reskew\"/>, <xref " 12518"linkend=\"RT_ST_SnapToGrid\"/>" 12519 12520#. Tag: refname 12521#: reference_raster.xml:4850 12522#, no-c-format 12523msgid "ST_Transform" 12524msgstr "ST_Transform" 12525 12526#. Tag: refpurpose 12527#: reference_raster.xml:4851 12528#, no-c-format 12529msgid "" 12530"Reprojects a raster in a known spatial reference system to another known " 12531"spatial reference system using specified resampling algorithm. Options are " 12532"NearestNeighbor, Bilinear, Cubic, CubicSpline, Lanczos defaulting to " 12533"NearestNeighbor." 12534msgstr "" 12535"ラスタを既知の空間参照系から他の既知の空間参照系に、指定したリサンプリングア" 12536"ルゴリズムで投影変換します。新しいピクセル値のリサンプリングアルゴリズムとし" 12537"て最近傍補間 ('NearestNeighbor' (米式綴り方))、双線形補間 ('Bilinear')、3次補" 12538"間 ('Cubic')、3次スプライン補間 ('CubicSpline')、ランチョス補間 ('Lanczos')を" 12539"用います。デフォルトは最近傍補間です。" 12540 12541#. Tag: funcsynopsis 12542#: reference_raster.xml:4855 12543#, no-c-format 12544msgid "" 12545"<funcprototype> <funcdef>raster <function>ST_Transform</function></funcdef> " 12546"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12547"<paramdef><type>integer </type> <parameter>srid</parameter></paramdef> " 12548"<paramdef choice=\"opt\"><type>text </type> " 12549"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12550"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12551"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 12552"<parameter>scalex</parameter></paramdef> <paramdef choice=\"opt" 12553"\"><type>double precision </type> <parameter>scaley</parameter></paramdef> </" 12554"funcprototype> <funcprototype> <funcdef>raster <function>ST_Transform</" 12555"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 12556"parameter></paramdef> <paramdef><type>integer </type> <parameter>srid</" 12557"parameter></paramdef> <paramdef><type>double precision </type> " 12558"<parameter>scalex</parameter></paramdef> <paramdef><type>double precision </" 12559"type> <parameter>scaley</parameter></paramdef> <paramdef choice=\"opt" 12560"\"><type>text </type> <parameter>algorithm=NearestNeighbor</parameter></" 12561"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 12562"<parameter>maxerr=0.125</parameter></paramdef> </funcprototype> " 12563"<funcprototype> <funcdef>raster <function>ST_Transform</function></funcdef> " 12564"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12565"<paramdef><type>raster </type> <parameter>alignto</parameter></paramdef> " 12566"<paramdef choice=\"opt\"><type>text </type> " 12567"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12568"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12569"paramdef> </funcprototype>" 12570msgstr "" 12571"<funcprototype> <funcdef>raster <function>ST_Transform</function></funcdef> " 12572"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12573"<paramdef><type>integer </type> <parameter>srid</parameter></paramdef> " 12574"<paramdef choice=\"opt\"><type>text </type> " 12575"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12576"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12577"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 12578"<parameter>scalex</parameter></paramdef> <paramdef choice=\"opt" 12579"\"><type>double precision </type> <parameter>scaley</parameter></paramdef> </" 12580"funcprototype> <funcprototype> <funcdef>raster <function>ST_Transform</" 12581"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 12582"parameter></paramdef> <paramdef><type>integer </type> <parameter>srid</" 12583"parameter></paramdef> <paramdef><type>double precision </type> " 12584"<parameter>scalex</parameter></paramdef> <paramdef><type>double precision </" 12585"type> <parameter>scaley</parameter></paramdef> <paramdef choice=\"opt" 12586"\"><type>text </type> <parameter>algorithm=NearestNeighbor</parameter></" 12587"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 12588"<parameter>maxerr=0.125</parameter></paramdef> </funcprototype> " 12589"<funcprototype> <funcdef>raster <function>ST_Transform</function></funcdef> " 12590"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12591"<paramdef><type>raster </type> <parameter>alignto</parameter></paramdef> " 12592"<paramdef choice=\"opt\"><type>text </type> " 12593"<parameter>algorithm=NearestNeighbor</parameter></paramdef> <paramdef choice=" 12594"\"opt\"><type>double precision </type> <parameter>maxerr=0.125</parameter></" 12595"paramdef> </funcprototype>" 12596 12597#. Tag: para 12598#: reference_raster.xml:4889 12599#, no-c-format 12600msgid "" 12601"Reprojects a raster in a known spatial reference system to another known " 12602"spatial reference system using specified pixel warping algorithm. Uses " 12603"'NearestNeighbor' if no algorithm is specified and maxerror percent of 0.125 " 12604"if no maxerr is specified." 12605msgstr "" 12606"ラスタを既知の空間参照系から他の既知の空間参照系に、指定したリサンプリングア" 12607"ルゴリズムで投影変換します。algorithmが指定されていない場合に" 12608"は'NearestNeighbor'とし、maxerrorが指定されていない場合には0.125とします。" 12609 12610#. Tag: para 12611#: reference_raster.xml:4893 12612#, no-c-format 12613msgid "" 12614"ST_Transform is often confused with ST_SetSRID(). ST_Transform actually " 12615"changes the coordinates of a raster (and resamples the pixel values) from " 12616"one spatial reference system to another, while ST_SetSRID() simply changes " 12617"the SRID identifier of the raster." 12618msgstr "" 12619"ST_TransformはしばしばST_SetSRIDと混同されます。ST_Transformは、ある空間参照" 12620"系から別の空間参照系に変更する際に、実際にラスタの座標を変更します (かつピク" 12621"セル値のリサンプリングを行います)が、ST_SetSRIDは単にラスタの空間参照系識別子" 12622"を変更するだけです。" 12623 12624#. Tag: para 12625#: reference_raster.xml:4897 12626#, no-c-format 12627msgid "" 12628"Unlike the other variants, Variant 3 requires a reference raster as " 12629"<varname>alignto</varname>. The transformed raster will be transformed to " 12630"the spatial reference system (SRID) of the reference raster and be aligned " 12631"(ST_SameAlignment = TRUE) to the reference raster." 12632msgstr "" 12633"三つ目の形式は、他の形式と違い、<varname>alignto</varname>として参照ラスタが" 12634"求められます。投影変換したラスタは参照ラスタの空間参照系 (SRID)に投影変換し" 12635"て、参照ラスタと同じアラインメントを持つようにします (ST_SameAlignmentがTRUE" 12636"になるようにします)。" 12637 12638#. Tag: para 12639#: reference_raster.xml:4902 12640#, no-c-format 12641msgid "" 12642"If you find your transformation support is not working right, you may need " 12643"to set the environment variable PROJSO to the .so or .dll projection library " 12644"your PostGIS is using. This just needs to have the name of the file. So for " 12645"example on windows, you would in Control Panel -> System -> Environment " 12646"Variables add a system variable called <varname>PROJSO</varname> and set it " 12647"to <varname>libproj.dll</varname> (if you are using proj 4.6.1). You'll have " 12648"to restart your PostgreSQL service/daemon after this change." 12649msgstr "" 12650"変換機能が思ったように働かない場合には、環境変数PROJSOをPostGISが使用する投影" 12651"変換ライブラリの.soまたは.dllに指定する必要があるかも知れません。ファイル名の" 12652"指定だけ必要です。Windowsでの例として、コントロールパネル->システム->シ" 12653"ステムの詳細設定->環境変数で、<varname>PROJSO</varname>という名前のシステ" 12654"ム変数を追加して、<varname>libproj.dll</varname> (Proj 4.6.1を使用している場" 12655"合)を設定します。変更後はPostgreSQLサービス/デーモンを再起動します。" 12656 12657#. Tag: para 12658#: reference_raster.xml:4908 12659#, no-c-format 12660msgid "Enhanced: 2.1.0 Addition of ST_Transform(rast, alignto) variant" 12661msgstr "Enhanced: 2.1.0 ST_Tranfrorm(rast, alignto)の形式を追加しました。" 12662 12663#. Tag: programlisting 12664#: reference_raster.xml:4914 12665#, no-c-format 12666msgid "" 12667"SELECT ST_Width(mass_stm) As w_before, ST_Width(wgs_84) As w_after,\n" 12668" ST_Height(mass_stm) As h_before, ST_Height(wgs_84) As h_after\n" 12669" FROM\n" 12670" ( SELECT rast As mass_stm, ST_Transform(rast,4326) As wgs_84\n" 12671" , ST_Transform(rast,4326, 'Bilinear') AS wgs_84_bilin\n" 12672" FROM aerials.o_2_boston\n" 12673" WHERE ST_Intersects(rast,\n" 12674" ST_Transform(ST_MakeEnvelope(-71.128, " 12675"42.2392,-71.1277, 42.2397, 4326),26986) )\n" 12676" LIMIT 1) As foo;\n" 12677"\n" 12678" w_before | w_after | h_before | h_after\n" 12679"----------+---------+----------+---------\n" 12680" 200 | 228 | 200 | 170" 12681msgstr "" 12682"SELECT ST_Width(mass_stm) As w_before, ST_Width(wgs_84) As w_after,\n" 12683" ST_Height(mass_stm) As h_before, ST_Height(wgs_84) As h_after\n" 12684" FROM\n" 12685" ( SELECT rast As mass_stm, ST_Transform(rast,4326) As wgs_84\n" 12686" , ST_Transform(rast,4326, 'Bilinear') AS wgs_84_bilin\n" 12687" FROM aerials.o_2_boston\n" 12688" WHERE ST_Intersects(rast,\n" 12689" ST_Transform(ST_MakeEnvelope(-71.128, " 12690"42.2392,-71.1277, 42.2397, 4326),26986) )\n" 12691" LIMIT 1) As foo;\n" 12692"\n" 12693" w_before | w_after | h_before | h_after\n" 12694"----------+---------+----------+---------\n" 12695" 200 | 228 | 200 | 170" 12696 12697#. Tag: para 12698#: reference_raster.xml:4924 12699#, no-c-format 12700msgid "original mass state plane meters (mass_stm)" 12701msgstr "元のラスタはメートル単位のマサチューセッツ州平面 (mass_stm)" 12702 12703#. Tag: para 12704#: reference_raster.xml:4933 12705#, no-c-format 12706msgid "After transform to wgs 84 long lat (wgs_84)" 12707msgstr "WGS84経度緯度に変換した後 (wgs_84)" 12708 12709#. Tag: para 12710#: reference_raster.xml:4942 12711#, no-c-format 12712msgid "" 12713"After transform to wgs 84 long lat with bilinear algorithm instead of NN " 12714"default (wgs_84_bilin)" 12715msgstr "" 12716"最近傍補間の代わりに双線形補間を使ってWGS84経度緯度に変換した後 " 12717"(wgs_84_bilin)" 12718 12719#. Tag: para 12720#: reference_raster.xml:4955 12721#, no-c-format 12722msgid "" 12723"The following shows the difference between using ST_Transform(raster, srid) " 12724"and ST_Transform(raster, alignto)" 12725msgstr "" 12726"次に示す例は、ST_Transform(raster, srid)とST_Transform(raster, alignto)との違" 12727"いを示しています。" 12728 12729#. Tag: programlisting 12730#: reference_raster.xml:4956 12731#, no-c-format 12732msgid "" 12733"WITH foo AS (\n" 12734" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, " 12735"600000, 100, -100, 0, 0, 2163), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 12736" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 600000, 100, " 12737"-100, 0, 0, 2163), 1, '16BUI', 2, 0) AS rast UNION ALL\n" 12738" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 600000, 100, " 12739"-100, 0, 0, 2163), 1, '16BUI', 3, 0) AS rast UNION ALL\n" 12740"\n" 12741" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, 599800, 100, " 12742"-100, 0, 0, 2163), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 12743" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 599800, 100, " 12744"-100, 0, 0, 2163), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 12745" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 599800, 100, " 12746"-100, 0, 0, 2163), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 12747"\n" 12748" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, 599600, 100, " 12749"-100, 0, 0, 2163), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 12750" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 599600, 100, " 12751"-100, 0, 0, 2163), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 12752" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 599600, 100, " 12753"-100, 0, 0, 2163), 1, '16BUI', 300, 0) AS rast\n" 12754"), bar AS (\n" 12755" SELECT\n" 12756" ST_Transform(rast, 4269) AS alignto\n" 12757" FROM foo\n" 12758" LIMIT 1\n" 12759"), baz AS (\n" 12760" SELECT\n" 12761" rid,\n" 12762" rast,\n" 12763" ST_Transform(rast, 4269) AS not_aligned,\n" 12764" ST_Transform(rast, alignto) AS aligned\n" 12765" FROM foo\n" 12766" CROSS JOIN bar\n" 12767")\n" 12768"SELECT\n" 12769" ST_SameAlignment(rast) AS rast,\n" 12770" ST_SameAlignment(not_aligned) AS not_aligned,\n" 12771" ST_SameAlignment(aligned) AS aligned\n" 12772"FROM baz\n" 12773"\n" 12774" rast | not_aligned | aligned\n" 12775"------+-------------+---------\n" 12776" t | f | t" 12777msgstr "" 12778"WITH foo AS (\n" 12779" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, " 12780"600000, 100, -100, 0, 0, 2163), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 12781" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 600000, 100, " 12782"-100, 0, 0, 2163), 1, '16BUI', 2, 0) AS rast UNION ALL\n" 12783" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 600000, 100, " 12784"-100, 0, 0, 2163), 1, '16BUI', 3, 0) AS rast UNION ALL\n" 12785"\n" 12786" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, 599800, 100, " 12787"-100, 0, 0, 2163), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 12788" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 599800, 100, " 12789"-100, 0, 0, 2163), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 12790" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 599800, 100, " 12791"-100, 0, 0, 2163), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 12792"\n" 12793" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, -500000, 599600, 100, " 12794"-100, 0, 0, 2163), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 12795" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499800, 599600, 100, " 12796"-100, 0, 0, 2163), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 12797" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, -499600, 599600, 100, " 12798"-100, 0, 0, 2163), 1, '16BUI', 300, 0) AS rast\n" 12799"), bar AS (\n" 12800" SELECT\n" 12801" ST_Transform(rast, 4269) AS alignto\n" 12802" FROM foo\n" 12803" LIMIT 1\n" 12804"), baz AS (\n" 12805" SELECT\n" 12806" rid,\n" 12807" rast,\n" 12808" ST_Transform(rast, 4269) AS not_aligned,\n" 12809" ST_Transform(rast, alignto) AS aligned\n" 12810" FROM foo\n" 12811" CROSS JOIN bar\n" 12812")\n" 12813"SELECT\n" 12814" ST_SameAlignment(rast) AS rast,\n" 12815" ST_SameAlignment(not_aligned) AS not_aligned,\n" 12816" ST_SameAlignment(aligned) AS aligned\n" 12817"FROM baz\n" 12818"\n" 12819" rast | not_aligned | aligned\n" 12820"------+-------------+---------\n" 12821" t | f | t" 12822 12823#. Tag: para 12824#: reference_raster.xml:4961 12825#, no-c-format 12826msgid ", <xref linkend=\"RT_ST_SetSRID\"/>" 12827msgstr ", <xref linkend=\"RT_ST_SetSRID\"/>" 12828 12829#. Tag: title 12830#: reference_raster.xml:4967 12831#, no-c-format 12832msgid "Raster Band Editors" 12833msgstr "ラスタバンドエディタ" 12834 12835#. Tag: refname 12836#: reference_raster.xml:4971 12837#, no-c-format 12838msgid "ST_SetBandNoDataValue" 12839msgstr "ST_SetBandNoDataValue" 12840 12841#. Tag: refpurpose 12842#: reference_raster.xml:4972 12843#, no-c-format 12844msgid "" 12845"Sets the value for the given band that represents no data. Band 1 is assumed " 12846"if no band is specified. To mark a band as having no nodata value, set the " 12847"nodata value = NULL." 12848msgstr "" 12849"指定したバンドにNODATAを表現する値を設定します。バンドを指定しない場合には、1" 12850"番と仮定します。NODATA値を持たないようにするには、nodatavalueにNULLを指定しま" 12851"す。" 12852 12853#. Tag: funcsynopsis 12854#: reference_raster.xml:4976 12855#, no-c-format 12856msgid "" 12857"<funcprototype> <funcdef>raster <function>ST_SetBandNoDataValue</function></" 12858"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 12859"paramdef> <paramdef><type>double precision </type> <parameter>nodatavalue</" 12860"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12861"<function>ST_SetBandNoDataValue</function></funcdef> <paramdef><type>raster " 12862"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 12863"type> <parameter>band</parameter></paramdef> <paramdef><type>double " 12864"precision </type> <parameter>nodatavalue</parameter></paramdef> <paramdef " 12865"choice=\"opt\"><type>boolean </type> <parameter>forcechecking=false</" 12866"parameter></paramdef> </funcprototype>" 12867msgstr "" 12868"<funcprototype> <funcdef>raster <function>ST_SetBandNoDataValue</function></" 12869"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 12870"paramdef> <paramdef><type>double precision </type> <parameter>nodatavalue</" 12871"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 12872"<function>ST_SetBandNoDataValue</function></funcdef> <paramdef><type>raster " 12873"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 12874"type> <parameter>band</parameter></paramdef> <paramdef><type>double " 12875"precision </type> <parameter>nodatavalue</parameter></paramdef> <paramdef " 12876"choice=\"opt\"><type>boolean </type> <parameter>forcechecking=false</" 12877"parameter></paramdef> </funcprototype>" 12878 12879#. Tag: para 12880#: reference_raster.xml:4997 12881#, no-c-format 12882msgid "" 12883"Sets the value that represents no data for the band. Band 1 is assumed if " 12884"not specified. This will affect results from <xref linkend=\"RT_ST_Polygon\"/" 12885">, <xref linkend=\"RT_ST_DumpAsPolygons\"/>, and the ST_PixelAs...() " 12886"functions." 12887msgstr "" 12888"指定したバンドにNODATAを表現する値を設定します。バンドを指定しない場合には、1" 12889"番と仮定します。この関数は<xref linkend=\"RT_ST_Polygon\"/>, <xref linkend=" 12890"\"RT_ST_DumpAsPolygons\"/>, ST_PixelAs系関数群からの結果に影響を与えます。" 12891 12892#. Tag: programlisting 12893#: reference_raster.xml:5003 12894#, no-c-format 12895msgid "" 12896"-- change just first band no data value\n" 12897"UPDATE dummy_rast\n" 12898" SET rast = ST_SetBandNoDataValue(rast,1, 254)\n" 12899"WHERE rid = 2;\n" 12900"\n" 12901"-- change no data band value of bands 1,2,3\n" 12902"UPDATE dummy_rast\n" 12903" SET rast =\n" 12904" ST_SetBandNoDataValue(\n" 12905" ST_SetBandNoDataValue(\n" 12906" ST_SetBandNoDataValue(\n" 12907" rast,1, 254)\n" 12908" ,2,99),\n" 12909" 3,108)\n" 12910" WHERE rid = 2;\n" 12911"\n" 12912"-- wipe out the nodata value this will ensure all pixels are considered for " 12913"all processing functions\n" 12914"UPDATE dummy_rast\n" 12915" SET rast = ST_SetBandNoDataValue(rast,1, NULL)\n" 12916"WHERE rid = 2;" 12917msgstr "" 12918"-- 1番バンドのNODATA値を変更します\n" 12919"UPDATE dummy_rast\n" 12920" SET rast = ST_SetBandNoDataValue(rast,1, 254)\n" 12921"WHERE rid = 2;\n" 12922"\n" 12923"-- 1番、2番、3番のNODATA値を変更します\n" 12924"UPDATE dummy_rast\n" 12925" SET rast =\n" 12926" ST_SetBandNoDataValue(\n" 12927" ST_SetBandNoDataValue(\n" 12928" ST_SetBandNoDataValue(\n" 12929" rast,1, 254)\n" 12930" ,2,99),\n" 12931" 3,108)\n" 12932" WHERE rid = 2;\n" 12933"\n" 12934"-- NODATA値の設定を解除して、処理関数が全てのピクセルを考慮するようにします\n" 12935"-- wipe out the nodata value this will ensure all pixels are considered for " 12936"all processing functions\n" 12937"UPDATE dummy_rast\n" 12938" SET rast = ST_SetBandNoDataValue(rast,1, NULL)\n" 12939"WHERE rid = 2;" 12940 12941#. Tag: refname 12942#: reference_raster.xml:5015 12943#, no-c-format 12944msgid "ST_SetBandIsNoData" 12945msgstr "ST_SetBandIsNoData" 12946 12947#. Tag: refpurpose 12948#: reference_raster.xml:5016 12949#, no-c-format 12950msgid "Sets the isnodata flag of the band to TRUE." 12951msgstr "バンドのisnodataフラグをTRUEにします。" 12952 12953#. Tag: funcprototype 12954#: reference_raster.xml:5021 12955#, no-c-format 12956msgid "" 12957"<funcdef>raster <function>ST_SetBandIsNoData</function></funcdef> " 12958"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12959"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 12960"parameter></paramdef>" 12961msgstr "" 12962"<funcdef>raster <function>ST_SetBandIsNoData</function></funcdef> " 12963"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 12964"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 12965"parameter></paramdef>" 12966 12967#. Tag: para 12968#: reference_raster.xml:5032 12969#, no-c-format 12970msgid "" 12971"Sets the isnodata flag for the band to true. Band 1 is assumed if not " 12972"specified. This function should be called only when the flag is considered " 12973"dirty. That is, when the result calling <xref linkend=\"RT_ST_BandIsNoData\"/" 12974"> is different using TRUE as last argument and without using it" 12975msgstr "" 12976"バンドのisnodataフラグをTRUEにします。バンドを指定しない場合には、1番と仮定し" 12977"ます。isnodataフラグが汚れている場合にのみ呼ぶべきものです。<xref linkend=" 12978"\"RT_ST_BandIsNoData\"/>の、最後の引数にTRUEを設定した場合の結果と指定しない" 12979"場合の結果とで異なっている時です。" 12980 12981#. Tag: programlisting 12982#: reference_raster.xml:5044 12983#, no-c-format 12984msgid "" 12985"-- Create dummy table with one raster column\n" 12986"create table dummy_rast (rid integer, rast raster);\n" 12987"\n" 12988"-- Add raster with two bands, one pixel/band. In the first band, nodatavalue " 12989"= pixel value = 3.\n" 12990"-- In the second band, nodatavalue = 13, pixel value = 4\n" 12991"insert into dummy_rast values(1,\n" 12992"(\n" 12993"'01' -- little endian (uint8 ndr)\n" 12994"||\n" 12995"'0000' -- version (uint16 0)\n" 12996"||\n" 12997"'0200' -- nBands (uint16 0)\n" 12998"||\n" 12999"'17263529ED684A3F' -- scaleX (float64 0.000805965234044584)\n" 13000"||\n" 13001"'F9253529ED684ABF' -- scaleY (float64 -0.00080596523404458)\n" 13002"||\n" 13003"'1C9F33CE69E352C0' -- ipX (float64 -75.5533328537098)\n" 13004"||\n" 13005"'718F0E9A27A44840' -- ipY (float64 49.2824585505576)\n" 13006"||\n" 13007"'ED50EB853EC32B3F' -- skewX (float64 0.000211812383858707)\n" 13008"||\n" 13009"'7550EB853EC32B3F' -- skewY (float64 0.000211812383858704)\n" 13010"||\n" 13011"'E6100000' -- SRID (int32 4326)\n" 13012"||\n" 13013"'0100' -- width (uint16 1)\n" 13014"||\n" 13015"'0100' -- height (uint16 1)\n" 13016"||\n" 13017"'4' -- hasnodatavalue set to true, isnodata value set to false (when it " 13018"should be true)\n" 13019"||\n" 13020"'2' -- first band type (4BUI)\n" 13021"||\n" 13022"'03' -- novalue==3\n" 13023"||\n" 13024"'03' -- pixel(0,0)==3 (same that nodata)\n" 13025"||\n" 13026"'0' -- hasnodatavalue set to false\n" 13027"||\n" 13028"'5' -- second band type (16BSI)\n" 13029"||\n" 13030"'0D00' -- novalue==13\n" 13031"||\n" 13032"'0400' -- pixel(0,0)==4\n" 13033")::raster\n" 13034");\n" 13035"\n" 13036"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- Expected " 13037"false\n" 13038"select st_bandisnodata(rast, 1, TRUE) from dummy_rast where rid = 1; -- " 13039"Expected true\n" 13040"\n" 13041"-- The isnodata flag is dirty. We are going to set it to true\n" 13042"update dummy_rast set rast = st_setbandisnodata(rast, 1) where rid = 1;\n" 13043"\n" 13044"\n" 13045"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- Expected " 13046"true" 13047msgstr "" 13048"-- ラスタカラムを一つ持つダミーテーブルを生成します\n" 13049"create table dummy_rast (rid integer, rast raster);\n" 13050"\n" 13051"-- 2バンドでバンドごとに1ピクセルを持つラスタを追加します\n" 13052"-- 一つ目のバンドにはnodatavalueとピクセル値をともに3とし、\n" 13053"-- 二つ目のバンドにはnodatavalue=13とピクセル値=4とします。\n" 13054"insert into dummy_rast values(1,\n" 13055"(\n" 13056"'01' -- little endian - リトルエンディアン (uint8 ndr)\n" 13057"||\n" 13058"'0000' -- version - 版 (uint16 0)\n" 13059"||\n" 13060"'0200' -- nBands - バンド数 (uint16 0)\n" 13061"||\n" 13062"'17263529ED684A3F' -- scaleX - X方向セルサイズ (float64 " 13063"0.000805965234044584)\n" 13064"||\n" 13065"'F9253529ED684ABF' -- scaleY - Y方向セルサイズ (float64 " 13066"-0.00080596523404458)\n" 13067"||\n" 13068"'1C9F33CE69E352C0' -- ipX - 左上隅X値 (float64 -75.5533328537098)\n" 13069"||\n" 13070"'718F0E9A27A44840' -- ipY - 左上隅Y値 (float64 49.2824585505576)\n" 13071"||\n" 13072"'ED50EB853EC32B3F' -- skewX - スキューX (float64 0.000211812383858707)\n" 13073"||\n" 13074"'7550EB853EC32B3F' -- skewY - スキューY (float64 0.000211812383858704)\n" 13075"||\n" 13076"'E6100000' -- SRID (int32 4326)\n" 13077"||\n" 13078"'0100' -- width - 横セル数 (uint16 1)\n" 13079"||\n" 13080"'0100' -- height - 縦セル数 (uint16 1)\n" 13081"||\n" 13082"'4' -- hasnodatavalueをTRUEにし、isnodata値を (TRUEにするべきところ)FALSEにす" 13083"る\n" 13084"||\n" 13085"'2' -- 1番バンドのタイプ (4BUI)\n" 13086"||\n" 13087"'03' -- NODATA値==3\n" 13088"||\n" 13089"'03' -- 0列0行ピクセルの値==3 (NODATA値と同じ)\n" 13090"||\n" 13091"'0' -- hasnodatavalueをFALSEにする。\n" 13092"||\n" 13093"'5' -- 2番バンドのタイプ (16BSI)\n" 13094"||\n" 13095"'0D00' -- NODATA値==13\n" 13096"||\n" 13097"'0400' -- 0列0行ピクセルの値==4\n" 13098")::raster\n" 13099");\n" 13100"\n" 13101"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- FALSEを期" 13102"待\n" 13103"select st_bandisnodata(rast, 1, TRUE) from dummy_rast where rid = 1; -- TRUE" 13104"を期待\n" 13105"\n" 13106"-- isnodataフラグが汚れているのでTRUEに設定します\n" 13107"update dummy_rast set rast = st_setbandisnodata(rast, 1) where rid = 1;\n" 13108"\n" 13109"\n" 13110"select st_bandisnodata(rast, 1) from dummy_rast where rid = 1; -- TRUEを期待" 13111 13112#. Tag: para 13113#: reference_raster.xml:5050 13114#, no-c-format 13115msgid "" 13116", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=" 13117"\"RT_ST_SetBandNoDataValue\"/>, <xref linkend=\"RT_ST_BandIsNoData\"/>" 13118msgstr "" 13119", <xref linkend=\"RT_ST_NumBands\"/>, <xref linkend=" 13120"\"RT_ST_SetBandNoDataValue\"/>, <xref linkend=\"RT_ST_BandIsNoData\"/>" 13121 13122#. Tag: refname 13123#: reference_raster.xml:5059 13124#, no-c-format 13125msgid "ST_SetBandPath" 13126msgstr "ST_SetBandPath" 13127 13128#. Tag: refpurpose 13129#: reference_raster.xml:5060 13130#, no-c-format 13131msgid "Update the external path and band number of an out-db band" 13132msgstr "データベース外バンドの外部パスとバンド番号を更新します。" 13133 13134#. Tag: funcprototype 13135#: reference_raster.xml:5065 13136#, no-c-format 13137msgid "" 13138"<funcdef>raster <function>ST_SetBandPath</function></funcdef> " 13139"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13140"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 13141"<paramdef><type>text </type> <parameter>outdbpath</parameter></paramdef> " 13142"<paramdef><type>integer </type> <parameter>outdbindex</parameter></paramdef> " 13143"<paramdef choice=\"opt\"><type>boolean </type> <parameter>force=false</" 13144"parameter></paramdef>" 13145msgstr "" 13146"<funcdef>raster <function>ST_SetBandPath</function></funcdef> " 13147"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13148"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 13149"<paramdef><type>text </type> <parameter>outdbpath</parameter></paramdef> " 13150"<paramdef><type>integer </type> <parameter>outdbindex</parameter></paramdef> " 13151"<paramdef choice=\"opt\"><type>boolean </type> <parameter>force=false</" 13152"parameter></paramdef>" 13153 13154#. Tag: para 13155#: reference_raster.xml:5079 13156#, no-c-format 13157msgid "" 13158"Updates an out-db band's external raster file path and external band number." 13159msgstr "データベース外バンドの外部パスと外部バンド番号を更新します。" 13160 13161#. Tag: para 13162#: reference_raster.xml:5082 13163#, no-c-format 13164msgid "" 13165"If <varname>force</varname> is set to true, no tests are done to ensure " 13166"compatibility (e.g. alignment, pixel support) between the external raster " 13167"file and the PostGIS raster. This mode is intended for file system changes " 13168"where the external raster resides." 13169msgstr "" 13170"<varname>force</varname>がTRUEの場合には、外部ラスタファイルとPostGISラスタと" 13171"の互換性 (例：アラインメント、ピクセル対応)確認のためのテストを行いません。こ" 13172"のモードは、外部ラスタファイルが存在するファイルシステムの変更を目的としてい" 13173"ます。" 13174 13175#. Tag: para 13176#: reference_raster.xml:5088 reference_raster.xml:5141 13177#, no-c-format 13178msgid "" 13179"Internally, this method replaces the PostGIS raster's band at index " 13180"<varname>band</varname> with a new band instead of updating the existing " 13181"path information." 13182msgstr "" 13183"内部的には、このメソッドは、存在するパス情報を更新する替わりに、PostGISラスタ" 13184"の<varname>band</varname>で指定したバンドを新しいバンドに置き換えます。" 13185 13186#. Tag: programlisting 13187#: reference_raster.xml:5098 13188#, no-c-format 13189msgid "" 13190"WITH foo AS (\n" 13191" SELECT\n" 13192" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 13193"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 13194")\n" 13195"SELECT\n" 13196" 1 AS query,\n" 13197" *\n" 13198"FROM ST_BandMetadata(\n" 13199" (SELECT rast FROM foo),\n" 13200" ARRAY[1,3,2]::int[]\n" 13201")\n" 13202"UNION ALL\n" 13203"SELECT\n" 13204" 2,\n" 13205" *\n" 13206"FROM ST_BandMetadata(\n" 13207" (\n" 13208" SELECT\n" 13209" <emphasis role=\"strong\">ST_SetBandPath(\n" 13210" rast,\n" 13211" 2,\n" 13212" '/home/pele/devel/geo/postgis-git/raster/" 13213"test/regress/loader/Projected2.tif',\n" 13214" 1\n" 13215" )</emphasis> AS rast\n" 13216" FROM foo\n" 13217" ),\n" 13218" ARRAY[1,3,2]::int[]\n" 13219")\n" 13220"ORDER BY 1, 2;\n" 13221"\n" 13222" query | bandnum | pixeltype | nodatavalue | isoutdb " 13223"| " 13224"path | outdbbandnum\n" 13225"-------+---------+-----------+-------------+---------" 13226"+---------------------------------------------------------------------------------" 13227"+--------------\n" 13228" 1 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13229"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13230" 1 | 2 | 8BUI | | t | /home/pele/devel/geo/" 13231"postgis-git/raster/test/regress/loader/Projected.tif | 2\n" 13232" 1 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13233"postgis-git/raster/test/regress/loader/Projected.tif | 3\n" 13234" 2 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13235"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13236"<emphasis role=\"strong\"> 2 | 2 | 8BUI | | " 13237"t | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/" 13238"Projected2.tif | 1</emphasis>\n" 13239" 2 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13240"postgis-git/raster/test/regress/loader/Projected.tif | 3" 13241msgstr "" 13242"WITH foo AS (\n" 13243" SELECT\n" 13244" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 13245"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 13246")\n" 13247"SELECT\n" 13248" 1 AS query,\n" 13249" *\n" 13250"FROM ST_BandMetadata(\n" 13251" (SELECT rast FROM foo),\n" 13252" ARRAY[1,3,2]::int[]\n" 13253")\n" 13254"UNION ALL\n" 13255"SELECT\n" 13256" 2,\n" 13257" *\n" 13258"FROM ST_BandMetadata(\n" 13259" (\n" 13260" SELECT\n" 13261" <emphasis role=\"strong\">ST_SetBandPath(\n" 13262" rast,\n" 13263" 2,\n" 13264" '/home/pele/devel/geo/postgis-git/raster/" 13265"test/regress/loader/Projected2.tif',\n" 13266" 1\n" 13267" )</emphasis> AS rast\n" 13268" FROM foo\n" 13269" ),\n" 13270" ARRAY[1,3,2]::int[]\n" 13271")\n" 13272"ORDER BY 1, 2;\n" 13273"\n" 13274" query | bandnum | pixeltype | nodatavalue | isoutdb " 13275"| " 13276"path | outdbbandnum\n" 13277"-------+---------+-----------+-------------+---------" 13278"+---------------------------------------------------------------------------------" 13279"+--------------\n" 13280" 1 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13281"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13282" 1 | 2 | 8BUI | | t | /home/pele/devel/geo/" 13283"postgis-git/raster/test/regress/loader/Projected.tif | 2\n" 13284" 1 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13285"postgis-git/raster/test/regress/loader/Projected.tif | 3\n" 13286" 2 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13287"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13288"<emphasis role=\"strong\"> 2 | 2 | 8BUI | | " 13289"t | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/" 13290"Projected2.tif | 1</emphasis>\n" 13291" 2 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13292"postgis-git/raster/test/regress/loader/Projected.tif | 3" 13293 13294#. Tag: para 13295#: reference_raster.xml:5103 13296#, no-c-format 13297msgid ", <xref linkend=\"RT_ST_SetBandIndex\"/>" 13298msgstr ", <xref linkend=\"RT_ST_SetBandIndex\"/>" 13299 13300#. Tag: refname 13301#: reference_raster.xml:5113 13302#, no-c-format 13303msgid "ST_SetBandIndex" 13304msgstr "ST_SetBandIndex" 13305 13306#. Tag: refpurpose 13307#: reference_raster.xml:5114 13308#, no-c-format 13309msgid "Update the external band number of an out-db band" 13310msgstr "データベース外バンドの外部バンド番号の更新" 13311 13312#. Tag: funcprototype 13313#: reference_raster.xml:5119 13314#, no-c-format 13315msgid "" 13316"<funcdef>raster <function>ST_SetBandIndex</function></funcdef> " 13317"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13318"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 13319"<paramdef><type>integer </type> <parameter>outdbindex</parameter></paramdef> " 13320"<paramdef choice=\"opt\"><type>boolean </type> <parameter>force=false</" 13321"parameter></paramdef>" 13322msgstr "" 13323"<funcdef>raster <function>ST_SetBandIndex</function></funcdef> " 13324"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13325"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 13326"<paramdef><type>integer </type> <parameter>outdbindex</parameter></paramdef> " 13327"<paramdef choice=\"opt\"><type>boolean </type> <parameter>force=false</" 13328"parameter></paramdef>" 13329 13330#. Tag: para 13331#: reference_raster.xml:5132 13332#, no-c-format 13333msgid "" 13334"Updates an out-db band's external band number. This does not touch the " 13335"external raster file associated with the out-db band" 13336msgstr "" 13337"データベース外バンドの外部バンド番号を更新します。データベース外バンドと関連" 13338"する外部ラスタファイルには触れません。" 13339 13340#. Tag: para 13341#: reference_raster.xml:5135 13342#, no-c-format 13343msgid "" 13344"If <varname>force</varname> is set to true, no tests are done to ensure " 13345"compatibility (e.g. alignment, pixel support) between the external raster " 13346"file and the PostGIS raster. This mode is intended for where bands are moved " 13347"around in the external raster file." 13348msgstr "" 13349"<varname>force</varname>がTRUEの場合には、外部ラスタファイルとPostGISラスタと" 13350"の互換性 (例：アラインメント、ピクセル対応)確認のためのテストを行いません。こ" 13351"のモードは、バンドが外部ラスタファイル内で移動する場所を対象としています。" 13352 13353#. Tag: programlisting 13354#: reference_raster.xml:5151 13355#, no-c-format 13356msgid "" 13357"WITH foo AS (\n" 13358" SELECT\n" 13359" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 13360"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 13361")\n" 13362"SELECT\n" 13363" 1 AS query,\n" 13364" *\n" 13365"FROM ST_BandMetadata(\n" 13366" (SELECT rast FROM foo),\n" 13367" ARRAY[1,3,2]::int[]\n" 13368")\n" 13369"UNION ALL\n" 13370"SELECT\n" 13371" 2,\n" 13372" *\n" 13373"FROM ST_BandMetadata(\n" 13374" (\n" 13375" SELECT\n" 13376" <emphasis role=\"strong\">ST_SetBandIndex(\n" 13377" rast,\n" 13378" 2,\n" 13379" 1\n" 13380" )</emphasis> AS rast\n" 13381" FROM foo\n" 13382" ),\n" 13383" ARRAY[1,3,2]::int[]\n" 13384")\n" 13385"ORDER BY 1, 2;\n" 13386"\n" 13387" query | bandnum | pixeltype | nodatavalue | isoutdb " 13388"| " 13389"path | outdbbandnum\n" 13390"-------+---------+-----------+-------------+---------" 13391"+---------------------------------------------------------------------------------" 13392"+--------------\n" 13393" 1 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13394"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13395" 1 | 2 | 8BUI | | t | /home/pele/devel/geo/" 13396"postgis-git/raster/test/regress/loader/Projected.tif | 2\n" 13397" 1 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13398"postgis-git/raster/test/regress/loader/Projected.tif | 3\n" 13399" 2 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13400"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13401"<emphasis role=\"strong\"> 2 | 2 | 8BUI | | " 13402"t | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/" 13403"Projected.tif | 1</emphasis>\n" 13404" 2 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13405"postgis-git/raster/test/regress/loader/Projected.tif | 3" 13406msgstr "" 13407"WITH foo AS (\n" 13408" SELECT\n" 13409" ST_AddBand(NULL::raster, '/home/pele/devel/geo/postgis-git/" 13410"raster/test/regress/loader/Projected.tif', NULL::int[]) AS rast\n" 13411")\n" 13412"SELECT\n" 13413" 1 AS query,\n" 13414" *\n" 13415"FROM ST_BandMetadata(\n" 13416" (SELECT rast FROM foo),\n" 13417" ARRAY[1,3,2]::int[]\n" 13418")\n" 13419"UNION ALL\n" 13420"SELECT\n" 13421" 2,\n" 13422" *\n" 13423"FROM ST_BandMetadata(\n" 13424" (\n" 13425" SELECT\n" 13426" <emphasis role=\"strong\">ST_SetBandIndex(\n" 13427" rast,\n" 13428" 2,\n" 13429" 1\n" 13430" )</emphasis> AS rast\n" 13431" FROM foo\n" 13432" ),\n" 13433" ARRAY[1,3,2]::int[]\n" 13434")\n" 13435"ORDER BY 1, 2;\n" 13436"\n" 13437" query | bandnum | pixeltype | nodatavalue | isoutdb " 13438"| " 13439"path | outdbbandnum\n" 13440"-------+---------+-----------+-------------+---------" 13441"+---------------------------------------------------------------------------------" 13442"+--------------\n" 13443" 1 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13444"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13445" 1 | 2 | 8BUI | | t | /home/pele/devel/geo/" 13446"postgis-git/raster/test/regress/loader/Projected.tif | 2\n" 13447" 1 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13448"postgis-git/raster/test/regress/loader/Projected.tif | 3\n" 13449" 2 | 1 | 8BUI | | t | /home/pele/devel/geo/" 13450"postgis-git/raster/test/regress/loader/Projected.tif | 1\n" 13451"<emphasis role=\"strong\"> 2 | 2 | 8BUI | | " 13452"t | /home/pele/devel/geo/postgis-git/raster/test/regress/loader/" 13453"Projected.tif | 1</emphasis>\n" 13454" 2 | 3 | 8BUI | | t | /home/pele/devel/geo/" 13455"postgis-git/raster/test/regress/loader/Projected.tif | 3" 13456 13457#. Tag: para 13458#: reference_raster.xml:5156 13459#, no-c-format 13460msgid ", <xref linkend=\"RT_ST_SetBandPath\"/>" 13461msgstr ", <xref linkend=\"RT_ST_SetBandPath\"/>" 13462 13463#. Tag: title 13464#: reference_raster.xml:5167 13465#, no-c-format 13466msgid "Raster Band Statistics and Analytics" 13467msgstr "ラスタバンド統計情報と解析" 13468 13469#. Tag: refname 13470#: reference_raster.xml:5171 13471#, no-c-format 13472msgid "ST_Count" 13473msgstr "ST_Count" 13474 13475#. Tag: refpurpose 13476#: reference_raster.xml:5172 13477#, no-c-format 13478msgid "" 13479"Returns the number of pixels in a given band of a raster or raster coverage. " 13480"If no band is specified defaults to band 1. If exclude_nodata_value is set " 13481"to true, will only count pixels that are not equal to the nodata value." 13482msgstr "" 13483"ラスタまたはラスタカバレッジの指定したバンドのピクセル数を返します。バンドを" 13484"指定しない場合には、1番と仮定します。exclude_nodata_valueをTRUEに設定している" 13485"場合には、NODATA値と等しくないピクセルのみを数えます。" 13486 13487#. Tag: funcsynopsis 13488#: reference_raster.xml:5176 13489#, no-c-format 13490msgid "" 13491"<funcprototype> <funcdef>bigint <function>ST_Count</function></funcdef> " 13492"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13493"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13494"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13495"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 13496"<funcprototype> <funcdef>bigint <function>ST_Count</function></funcdef> " 13497"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13498"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13499"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13500"<function>ST_Count</function></funcdef> <paramdef><type>text </type> " 13501"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13502"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 13503"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 13504"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 13505"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13506"<function>ST_Count</function></funcdef> <paramdef><type>text </type> " 13507"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13508"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>boolean </" 13509"type> <parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 13510msgstr "" 13511"<funcprototype> <funcdef>bigint <function>ST_Count</function></funcdef> " 13512"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13513"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13514"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13515"<parameter>exclude_nodata_value=true</parameter></paramdef> </funcprototype> " 13516"<funcprototype> <funcdef>bigint <function>ST_Count</function></funcdef> " 13517"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13518"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13519"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13520"<function>ST_Count</function></funcdef> <paramdef><type>text </type> " 13521"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13522"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 13523"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 13524"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 13525"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13526"<function>ST_Count</function></funcdef> <paramdef><type>text </type> " 13527"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13528"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>boolean </" 13529"type> <parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 13530 13531#. Tag: para 13532#: reference_raster.xml:5207 13533#, no-c-format 13534msgid "" 13535"Returns the number of pixels in a given band of a raster or raster coverage. " 13536"If no band is specified <varname>nband</varname> defaults to 1." 13537msgstr "" 13538"ラスタまたはラスタカバレッジの指定したバンドのピクセル数を返します。" 13539"<varname>nband</varname>でバンドを指定しない場合には、1番と仮定します。" 13540 13541#. Tag: para 13542#: reference_raster.xml:5208 13543#, no-c-format 13544msgid "" 13545"If <varname>exclude_nodata_value</varname> is set to true, will only count " 13546"pixels with value not equal to the <varname>nodata</varname> value of the " 13547"raster. Set <varname>exclude_nodata_value</varname> to false to get count " 13548"all pixels" 13549msgstr "" 13550"<varname>exclude_nodata_value</varname>をTRUEに設定している場合には、" 13551"<varname>nodata</varname>値と等しくないピクセルのみ数えます。" 13552"<varname>exclude_nodata_value</varname>をFALSEに設定している場合には、全ての" 13553"ピクセルを数えます。" 13554 13555#. Tag: para 13556#: reference_raster.xml:5212 13557#, no-c-format 13558msgid "" 13559"The ST_Count(rastertable, rastercolumn, ...) variants are deprecated as of " 13560"2.2.0. Use <xref linkend=\"RT_ST_CountAgg\"/> instead." 13561msgstr "" 13562"ST_Count(rastertable, rastercolumn, ...)の形式は2.2.0で非推奨関数となりまし" 13563"た。代わりに<xref linkend=\"RT_ST_CountAgg\"/>を使います。" 13564 13565#. Tag: programlisting 13566#: reference_raster.xml:5222 13567#, no-c-format 13568msgid "" 13569"--example will count all pixels not 249 and one will count all pixels. --\n" 13570"SELECT rid, ST_Count(ST_SetBandNoDataValue(rast,249)) As exclude_nodata,\n" 13571" ST_Count(ST_SetBandNoDataValue(rast,249),false) As include_nodata\n" 13572" FROM dummy_rast WHERE rid=2;\n" 13573"\n" 13574"rid | exclude_nodata | include_nodata\n" 13575"-----+----------------+----------------\n" 13576" 2 | 23 | 25" 13577msgstr "" 13578"-- 249でないピクセルの数え上げと、全てのピクセルの数え上げを行います --\n" 13579"SELECT rid, ST_Count(ST_SetBandNoDataValue(rast,249)) As exclude_nodata,\n" 13580" ST_Count(ST_SetBandNoDataValue(rast,249),false) As include_nodata\n" 13581" FROM dummy_rast WHERE rid=2;\n" 13582"\n" 13583"rid | exclude_nodata | include_nodata\n" 13584"-----+----------------+----------------\n" 13585" 2 | 23 | 25" 13586 13587#. Tag: para 13588#: reference_raster.xml:5227 reference_raster.xml:5288 13589#, no-c-format 13590msgid "" 13591", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 13592"\"RT_ST_SetBandNoDataValue\"/>" 13593msgstr "" 13594", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 13595"\"RT_ST_SetBandNoDataValue\"/>" 13596 13597#. Tag: refname 13598#: reference_raster.xml:5237 13599#, no-c-format 13600msgid "ST_CountAgg" 13601msgstr "ST_CountAgg" 13602 13603#. Tag: refpurpose 13604#: reference_raster.xml:5238 13605#, no-c-format 13606msgid "" 13607"Aggregate. Returns the number of pixels in a given band of a set of rasters. " 13608"If no band is specified defaults to band 1. If exclude_nodata_value is set " 13609"to true, will only count pixels that are not equal to the NODATA value." 13610msgstr "" 13611"集約関数です。ラスタ集合の与えられたバンドのピクセル数を返します。バンドが指" 13612"定されていない場合には、1番と仮定します。exclude_nodata_valueをTRUEに設定して" 13613"いる場合には、NODATA値と等しくないピクセルのみを数えます。" 13614 13615#. Tag: funcsynopsis 13616#: reference_raster.xml:5244 13617#, no-c-format 13618msgid "" 13619"<funcprototype> <funcdef>bigint <function>ST_CountAgg</function></funcdef> " 13620"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13621"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13622"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13623"paramdef> <paramdef><type>double precision </type> " 13624"<parameter>sample_percent</parameter></paramdef> </funcprototype> " 13625"<funcprototype> <funcdef>bigint <function>ST_CountAgg</function></funcdef> " 13626"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13627"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13628"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13629"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13630"<function>ST_CountAgg</function></funcdef> <paramdef><type>raster </type> " 13631"<parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 13632"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 13633msgstr "" 13634"<funcprototype> <funcdef>bigint <function>ST_CountAgg</function></funcdef> " 13635"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13636"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13637"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13638"paramdef> <paramdef><type>double precision </type> " 13639"<parameter>sample_percent</parameter></paramdef> </funcprototype> " 13640"<funcprototype> <funcdef>bigint <function>ST_CountAgg</function></funcdef> " 13641"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 13642"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13643"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13644"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 13645"<function>ST_CountAgg</function></funcdef> <paramdef><type>raster </type> " 13646"<parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 13647"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 13648 13649#. Tag: para 13650#: reference_raster.xml:5272 13651#, no-c-format 13652msgid "" 13653"Returns the number of pixels in a given band of a set of rasters. If no band " 13654"is specified <varname>nband</varname> defaults to 1." 13655msgstr "" 13656"ラスタ集合の与えられたバンドのピクセル数を返します。<varname>nband</varname>" 13657"でバンドを指定しない場合には、1番と仮定します。" 13658 13659#. Tag: para 13660#: reference_raster.xml:5273 13661#, no-c-format 13662msgid "" 13663"If <varname>exclude_nodata_value</varname> is set to true, will only count " 13664"pixels with value not equal to the <varname>NODATA</varname> value of the " 13665"raster. Set <varname>exclude_nodata_value</varname> to false to get count " 13666"all pixels" 13667msgstr "" 13668"<varname>exclude_nodata_value</varname>をTRUEに設定している場合には、" 13669"<varname>NODATA</varname>値と等しくないピクセルのみを数えます。" 13670"<varname>exclude_nodata_value</varname>をFALSEに設定している場合には、全ての" 13671"ピクセルを数えます。" 13672 13673#. Tag: para 13674#: reference_raster.xml:5276 13675#, no-c-format 13676msgid "" 13677"By default will sample all pixels. To get faster response, set " 13678"<varname>sample_percent</varname> to value between zero (0) and one (1)" 13679msgstr "" 13680"デフォルトでは、全てのピクセルを見ます。より早い応答を得るには、" 13681"<varname>sample_percent</varname>値を0から1の間で設定します。" 13682 13683#. Tag: programlisting 13684#: reference_raster.xml:5283 13685#, no-c-format 13686msgid "" 13687"WITH foo AS (\n" 13688" SELECT\n" 13689" rast.rast\n" 13690" FROM (\n" 13691" SELECT ST_SetValue(\n" 13692" ST_SetValue(\n" 13693" ST_SetValue(\n" 13694" ST_AddBand(\n" 13695" ST_MakeEmptyRaster(10, 10, " 13696"10, 10, 2, 2, 0, 0,0)\n" 13697" , 1, '64BF', 0, 0\n" 13698" )\n" 13699" , 1, 1, 1, -10\n" 13700" )\n" 13701" , 1, 5, 4, 0\n" 13702" )\n" 13703" , 1, 5, 5, 3.14159\n" 13704" ) AS rast\n" 13705" ) AS rast\n" 13706" FULL JOIN (\n" 13707" SELECT generate_series(1, 10) AS id\n" 13708" ) AS id\n" 13709" ON 1 = 1\n" 13710")\n" 13711"SELECT\n" 13712" ST_CountAgg(rast, 1, TRUE)\n" 13713"FROM foo;\n" 13714"\n" 13715" st_countagg\n" 13716"-------------\n" 13717" 20\n" 13718"(1 row)" 13719msgstr "" 13720"WITH foo AS (\n" 13721" SELECT\n" 13722" rast.rast\n" 13723" FROM (\n" 13724" SELECT ST_SetValue(\n" 13725" ST_SetValue(\n" 13726" ST_SetValue(\n" 13727" ST_AddBand(\n" 13728" ST_MakeEmptyRaster(10, 10, " 13729"10, 10, 2, 2, 0, 0,0)\n" 13730" , 1, '64BF', 0, 0\n" 13731" )\n" 13732" , 1, 1, 1, -10\n" 13733" )\n" 13734" , 1, 5, 4, 0\n" 13735" )\n" 13736" , 1, 5, 5, 3.14159\n" 13737" ) AS rast\n" 13738" ) AS rast\n" 13739" FULL JOIN (\n" 13740" SELECT generate_series(1, 10) AS id\n" 13741" ) AS id\n" 13742" ON 1 = 1\n" 13743")\n" 13744"SELECT\n" 13745" ST_CountAgg(rast, 1, TRUE)\n" 13746"FROM foo;\n" 13747"\n" 13748" st_countagg\n" 13749"-------------\n" 13750" 20\n" 13751"(1 row)" 13752 13753#. Tag: refname 13754#: reference_raster.xml:5298 13755#, no-c-format 13756msgid "ST_Histogram" 13757msgstr "ST_Histogram" 13758 13759#. Tag: refpurpose 13760#: reference_raster.xml:5299 13761#, no-c-format 13762msgid "" 13763"Returns a set of record summarizing a raster or raster coverage data " 13764"distribution separate bin ranges. Number of bins are autocomputed if not " 13765"specified." 13766msgstr "" 13767"ラスタまたはラスタカバレッジのビン範囲で分割したデータ分布をまとめるヒストグ" 13768"ラムの集合を返します。ビン数を指定しない場合には自動計算されます。" 13769 13770#. Tag: funcsynopsis 13771#: reference_raster.xml:5303 13772#, no-c-format 13773msgid "" 13774"<funcprototype> <funcdef>SETOF record <function>ST_Histogram</function></" 13775"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 13776"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13777"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13778"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 13779"\"opt\"><type>integer </type> <parameter>bins=autocomputed</parameter></" 13780"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 13781"<parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13782"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13783"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13784"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13785"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13786"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13787"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 13788"type> <parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13789"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13790"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13791"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13792"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13793"parameter></paramdef> <paramdef><type>boolean </type> " 13794"<parameter>exclude_nodata_value</parameter></paramdef> " 13795"<paramdef><type>integer </type> <parameter>bins</parameter></paramdef> " 13796"<paramdef><type>boolean </type> <parameter>right</parameter></paramdef> </" 13797"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13798"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13799"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13800"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13801"parameter></paramdef> <paramdef><type>boolean </type> <parameter>right</" 13802"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 13803"<function>ST_Histogram</function></funcdef> <paramdef><type>text </type> " 13804"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13805"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>integer </" 13806"type> <parameter>nband</parameter></paramdef> <paramdef><type>integer </" 13807"type> <parameter>bins</parameter></paramdef> <paramdef><type>boolean </type> " 13808"<parameter>right</parameter></paramdef> </funcprototype> <funcprototype> " 13809"<funcdef>SETOF record <function>ST_Histogram</function></funcdef> " 13810"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 13811"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 13812"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13813"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13814"paramdef> <paramdef><type>integer </type> <parameter>bins</parameter></" 13815"paramdef> <paramdef><type>boolean </type> <parameter>right</parameter></" 13816"paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 13817"<function>ST_Histogram</function></funcdef> <paramdef><type>text </type> " 13818"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13819"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 13820"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 13821"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 13822"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 13823"<parameter>bins=autocomputed</parameter></paramdef> <paramdef choice=\"opt" 13824"\"><type>double precision[] </type> <parameter>width=NULL</parameter></" 13825"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13826"<parameter>right=false</parameter></paramdef> </funcprototype> " 13827"<funcprototype> <funcdef>SETOF record <function>ST_Histogram</function></" 13828"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 13829"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 13830"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13831"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13832"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 13833"type> <parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13834"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13835"funcprototype>" 13836msgstr "" 13837"<funcprototype> <funcdef>SETOF record <function>ST_Histogram</function></" 13838"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 13839"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13840"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13841"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 13842"\"opt\"><type>integer </type> <parameter>bins=autocomputed</parameter></" 13843"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 13844"<parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13845"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13846"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13847"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13848"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13849"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13850"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 13851"type> <parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13852"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13853"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13854"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13855"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13856"parameter></paramdef> <paramdef><type>boolean </type> " 13857"<parameter>exclude_nodata_value</parameter></paramdef> " 13858"<paramdef><type>integer </type> <parameter>bins</parameter></paramdef> " 13859"<paramdef><type>boolean </type> <parameter>right</parameter></paramdef> </" 13860"funcprototype> <funcprototype> <funcdef>SETOF record <function>ST_Histogram</" 13861"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 13862"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 13863"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13864"parameter></paramdef> <paramdef><type>boolean </type> <parameter>right</" 13865"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 13866"<function>ST_Histogram</function></funcdef> <paramdef><type>text </type> " 13867"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13868"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>integer </" 13869"type> <parameter>nband</parameter></paramdef> <paramdef><type>integer </" 13870"type> <parameter>bins</parameter></paramdef> <paramdef><type>boolean </type> " 13871"<parameter>right</parameter></paramdef> </funcprototype> <funcprototype> " 13872"<funcdef>SETOF record <function>ST_Histogram</function></funcdef> " 13873"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 13874"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 13875"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 13876"<paramdef><type>boolean </type> <parameter>exclude_nodata_value</parameter></" 13877"paramdef> <paramdef><type>integer </type> <parameter>bins</parameter></" 13878"paramdef> <paramdef><type>boolean </type> <parameter>right</parameter></" 13879"paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 13880"<function>ST_Histogram</function></funcdef> <paramdef><type>text </type> " 13881"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 13882"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 13883"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 13884"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 13885"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 13886"<parameter>bins=autocomputed</parameter></paramdef> <paramdef choice=\"opt" 13887"\"><type>double precision[] </type> <parameter>width=NULL</parameter></" 13888"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 13889"<parameter>right=false</parameter></paramdef> </funcprototype> " 13890"<funcprototype> <funcdef>SETOF record <function>ST_Histogram</function></" 13891"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 13892"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 13893"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 13894"parameter></paramdef> <paramdef><type>integer </type> <parameter>bins</" 13895"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 13896"type> <parameter>width=NULL</parameter></paramdef> <paramdef choice=\"opt" 13897"\"><type>boolean </type> <parameter>right=false</parameter></paramdef> </" 13898"funcprototype>" 13899 13900#. Tag: para 13901#: reference_raster.xml:5385 13902#, no-c-format 13903msgid "" 13904"Returns set of records consisting of min, max, count, percent for a given " 13905"raster band for each bin. If no band is specified <varname>nband</varname> " 13906"defaults to 1." 13907msgstr "" 13908"最小値、最大値、合計数、全体から見た割合からなるレコードの集合を返します。" 13909"<varname>nband</varname>でバンドを指定しない場合には、1番と仮定します。" 13910 13911#. Tag: para 13912#: reference_raster.xml:5386 13913#, no-c-format 13914msgid "" 13915"By default only considers pixel values not equal to the <varname>nodata</" 13916"varname> value . Set <varname>exclude_nodata_value</varname> to false to get " 13917"count all pixels." 13918msgstr "" 13919"デフォルトでは、<varname>nodata</varname>と同じピクセル値は考慮に入れません。" 13920"<varname>exclude_nodata_value</varname>をFALSEに設定すると全てのピクセルを数" 13921"えます。" 13922 13923#. Tag: term 13924#: reference_raster.xml:5390 13925#, no-c-format 13926msgid "<parameter>width </parameter><type>double precision[]</type>" 13927msgstr "<parameter>width </parameter><type>double precision[]</type>" 13928 13929#. Tag: para 13930#: reference_raster.xml:5391 13931#, no-c-format 13932msgid "" 13933"width: an array indicating the width of each category/bin. If the number of " 13934"bins is greater than the number of widths, the widths are repeated." 13935msgstr "" 13936"カテゴリ/ビン毎の幅を示す配列です。ビン数の指定がwidth要素数を超える場合に" 13937"は、widthを繰り返します。" 13938 13939#. Tag: para 13940#: reference_raster.xml:5392 13941#, no-c-format 13942msgid "" 13943"Example: 9 bins, widths are [a, b, c] will have the output be [a, b, c, a, " 13944"b, c, a, b, c]" 13945msgstr "" 13946"例: ビン9個、widthが[a, b, c]では、[a, b, c, a, b, c, a, b, c]が出力されま" 13947"す。" 13948 13949#. Tag: term 13950#: reference_raster.xml:5395 13951#, no-c-format 13952msgid "<parameter>bins </parameter><type>integer</type>" 13953msgstr "<parameter>bins </parameter><type>integer</type>" 13954 13955#. Tag: para 13956#: reference_raster.xml:5396 13957#, no-c-format 13958msgid "" 13959"Number of breakouts -- this is the number of records you'll get back from " 13960"the function if specified. If not specified then the number of breakouts is " 13961"autocomputed." 13962msgstr "" 13963"取り出し数 -- 関数から戻そうとするレコード数です。指定しない場合には、自動計" 13964"算されます。" 13965 13966#. Tag: term 13967#: reference_raster.xml:5400 13968#, no-c-format 13969msgid "<parameter>right </parameter><type>boolean</type>" 13970msgstr "<parameter>right </parameter><type>boolean</type>" 13971 13972#. Tag: para 13973#: reference_raster.xml:5401 13974#, no-c-format 13975msgid "" 13976"compute the histogram from the right rather than from the left (default). " 13977"This changes the criteria for evaluating a value x from [a, b) to (a, b]" 13978msgstr "" 13979"ヒストグラムを右から計算します (デフォルトは左からです)。値の評価の優先順位" 13980"が、X軸について[a, b)から(a, b]に変わります。" 13981 13982#. Tag: title 13983#: reference_raster.xml:5408 13984#, no-c-format 13985msgid "" 13986"Example: Single raster tile - compute histograms for bands 1, 2, 3 and " 13987"autocompute bins" 13988msgstr "" 13989"例: 単一ラスタタイル - ビン数を自動計算とした、1番、2番、3番バンドのヒストグ" 13990"ラムの計算" 13991 13992#. Tag: programlisting 13993#: reference_raster.xml:5409 13994#, no-c-format 13995msgid "" 13996"SELECT band, (stats).*\n" 13997"FROM (SELECT rid, band, ST_Histogram(rast, band) As stats\n" 13998" FROM dummy_rast CROSS JOIN generate_series(1,3) As band\n" 13999" WHERE rid=2) As foo;\n" 14000"\n" 14001" band | min | max | count | percent\n" 14002"------+-------+-------+-------+---------\n" 14003" 1 | 249 | 250 | 2 | 0.08\n" 14004" 1 | 250 | 251 | 2 | 0.08\n" 14005" 1 | 251 | 252 | 1 | 0.04\n" 14006" 1 | 252 | 253 | 2 | 0.08\n" 14007" 1 | 253 | 254 | 18 | 0.72\n" 14008" 2 | 78 | 113.2 | 11 | 0.44\n" 14009" 2 | 113.2 | 148.4 | 4 | 0.16\n" 14010" 2 | 148.4 | 183.6 | 4 | 0.16\n" 14011" 2 | 183.6 | 218.8 | 1 | 0.04\n" 14012" 2 | 218.8 | 254 | 5 | 0.2\n" 14013" 3 | 62 | 100.4 | 11 | 0.44\n" 14014" 3 | 100.4 | 138.8 | 5 | 0.2\n" 14015" 3 | 138.8 | 177.2 | 4 | 0.16\n" 14016" 3 | 177.2 | 215.6 | 1 | 0.04\n" 14017" 3 | 215.6 | 254 | 4 | 0.16" 14018msgstr "" 14019"SELECT band, (stats).*\n" 14020"FROM (SELECT rid, band, ST_Histogram(rast, band) As stats\n" 14021" FROM dummy_rast CROSS JOIN generate_series(1,3) As band\n" 14022" WHERE rid=2) As foo;\n" 14023"\n" 14024" band | min | max | count | percent\n" 14025"------+-------+-------+-------+---------\n" 14026" 1 | 249 | 250 | 2 | 0.08\n" 14027" 1 | 250 | 251 | 2 | 0.08\n" 14028" 1 | 251 | 252 | 1 | 0.04\n" 14029" 1 | 252 | 253 | 2 | 0.08\n" 14030" 1 | 253 | 254 | 18 | 0.72\n" 14031" 2 | 78 | 113.2 | 11 | 0.44\n" 14032" 2 | 113.2 | 148.4 | 4 | 0.16\n" 14033" 2 | 148.4 | 183.6 | 4 | 0.16\n" 14034" 2 | 183.6 | 218.8 | 1 | 0.04\n" 14035" 2 | 218.8 | 254 | 5 | 0.2\n" 14036" 3 | 62 | 100.4 | 11 | 0.44\n" 14037" 3 | 100.4 | 138.8 | 5 | 0.2\n" 14038" 3 | 138.8 | 177.2 | 4 | 0.16\n" 14039" 3 | 177.2 | 215.6 | 1 | 0.04\n" 14040" 3 | 215.6 | 254 | 4 | 0.16" 14041 14042#. Tag: title 14043#: reference_raster.xml:5413 14044#, no-c-format 14045msgid "Example: Just band 2 but for 6 bins" 14046msgstr "例: ビン数を6で固定して2番バンドだけを計算" 14047 14048#. Tag: programlisting 14049#: reference_raster.xml:5414 14050#, no-c-format 14051msgid "" 14052"SELECT (stats).*\n" 14053"FROM (SELECT rid, ST_Histogram(rast, 2,6) As stats\n" 14054" FROM dummy_rast\n" 14055" WHERE rid=2) As foo;\n" 14056"\n" 14057" min | max | count | percent\n" 14058"------------+------------+-------+---------\n" 14059" 78 | 107.333333 | 9 | 0.36\n" 14060" 107.333333 | 136.666667 | 6 | 0.24\n" 14061" 136.666667 | 166 | 0 | 0\n" 14062" 166 | 195.333333 | 4 | 0.16\n" 14063" 195.333333 | 224.666667 | 1 | 0.04\n" 14064" 224.666667 | 254 | 5 | 0.2\n" 14065"(6 rows)\n" 14066"\n" 14067"-- Same as previous but we explicitly control the pixel value range of each " 14068"bin.\n" 14069"SELECT (stats).*\n" 14070"FROM (SELECT rid, ST_Histogram(rast, 2,6,ARRAY[0.5,1,4,100,5]) As stats\n" 14071" FROM dummy_rast\n" 14072" WHERE rid=2) As foo;\n" 14073"\n" 14074" min | max | count | percent\n" 14075"-------+-------+-------+----------\n" 14076" 78 | 78.5 | 1 | 0.08\n" 14077" 78.5 | 79.5 | 1 | 0.04\n" 14078" 79.5 | 83.5 | 0 | 0\n" 14079" 83.5 | 183.5 | 17 | 0.0068\n" 14080" 183.5 | 188.5 | 0 | 0\n" 14081" 188.5 | 254 | 6 | 0.003664\n" 14082"(6 rows)" 14083msgstr "" 14084"SELECT (stats).*\n" 14085"FROM (SELECT rid, ST_Histogram(rast, 2,6) As stats\n" 14086" FROM dummy_rast\n" 14087" WHERE rid=2) As foo;\n" 14088"\n" 14089" min | max | count | percent\n" 14090"------------+------------+-------+---------\n" 14091" 78 | 107.333333 | 9 | 0.36\n" 14092" 107.333333 | 136.666667 | 6 | 0.24\n" 14093" 136.666667 | 166 | 0 | 0\n" 14094" 166 | 195.333333 | 4 | 0.16\n" 14095" 195.333333 | 224.666667 | 1 | 0.04\n" 14096" 224.666667 | 254 | 5 | 0.2\n" 14097"(6 rows)\n" 14098"\n" 14099"-- 前と同じですが、ビン毎のピクセル値の範囲を明示的に制御しています\n" 14100"SELECT (stats).*\n" 14101"FROM (SELECT rid, ST_Histogram(rast, 2,6,ARRAY[0.5,1,4,100,5]) As stats\n" 14102" FROM dummy_rast\n" 14103" WHERE rid=2) As foo;\n" 14104"\n" 14105" min | max | count | percent\n" 14106"-------+-------+-------+----------\n" 14107" 78 | 78.5 | 1 | 0.08\n" 14108" 78.5 | 79.5 | 1 | 0.04\n" 14109" 79.5 | 83.5 | 0 | 0\n" 14110" 83.5 | 183.5 | 17 | 0.0068\n" 14111" 183.5 | 188.5 | 0 | 0\n" 14112" 188.5 | 254 | 6 | 0.003664\n" 14113"(6 rows)" 14114 14115#. Tag: para 14116#: reference_raster.xml:5419 14117#, no-c-format 14118msgid "" 14119", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 14120"\"RT_ST_SummaryStatsAgg\"/>" 14121msgstr "" 14122", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 14123"\"RT_ST_SummaryStatsAgg\"/>" 14124 14125#. Tag: refname 14126#: reference_raster.xml:5429 14127#, no-c-format 14128msgid "ST_Quantile" 14129msgstr "ST_Quantile" 14130 14131#. Tag: refpurpose 14132#: reference_raster.xml:5430 14133#, no-c-format 14134msgid "" 14135"<refpurpose>Compute quantiles for a raster or raster table coverage in the " 14136"context of the sample or population. Thus, a value could be examined to be " 14137"at the raster's 25%, 50%, 75% percentile.</refpurpose>" 14138msgstr "" 14139"<refpurpose>ラスタまたはラスタテーブルカバレッジのサンプルまたは母集団の分位" 14140"数を計算します。値がラスタの25%,50%,75%にあるかを調べることができます。</" 14141"refpurpose>" 14142 14143#. Tag: funcsynopsis 14144#: reference_raster.xml:5434 14145#, no-c-format 14146msgid "" 14147"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14148"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14149"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 14150"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 14151"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 14152"\"opt\"><type>double precision[] </type> <parameter>quantiles=NULL</" 14153"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 14154"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14155"<parameter>rast</parameter></paramdef> <paramdef><type>double precision[] </" 14156"type> <parameter>quantiles</parameter></paramdef> </funcprototype> " 14157"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14158"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14159"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14160"paramdef> <paramdef><type>double precision[] </type> <parameter>quantiles</" 14161"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>double " 14162"precision <function>ST_Quantile</function></funcdef> <paramdef><type>raster " 14163"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 14164"precision </type> <parameter>quantile</parameter></paramdef> </" 14165"funcprototype> <funcprototype> <funcdef>double precision " 14166"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14167"<parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 14168"<parameter>exclude_nodata_value</parameter></paramdef> <paramdef choice=\"opt" 14169"\"><type>double precision </type> <parameter>quantile=NULL</parameter></" 14170"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 14171"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14172"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14173"<parameter>nband</parameter></paramdef> <paramdef><type>double precision </" 14174"type> <parameter>quantile</parameter></paramdef> </funcprototype> " 14175"<funcprototype> <funcdef>double precision <function>ST_Quantile</function></" 14176"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14177"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14178"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14179"parameter></paramdef> <paramdef><type>double precision </type> " 14180"<parameter>quantile</parameter></paramdef> </funcprototype> <funcprototype> " 14181"<funcdef>double precision <function>ST_Quantile</function></funcdef> " 14182"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 14183"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 14184"<paramdef><type>double precision </type> <parameter>quantile</parameter></" 14185"paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 14186"<function>ST_Quantile</function></funcdef> <paramdef><type>text </type> " 14187"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 14188"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 14189"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 14190"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 14191"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 14192"type> <parameter>quantiles=NULL</parameter></paramdef> </funcprototype> " 14193"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14194"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 14195"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 14196"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14197"paramdef> <paramdef><type>double precision[] </type> <parameter>quantiles</" 14198"parameter></paramdef> </funcprototype>" 14199msgstr "" 14200"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14201"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14202"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 14203"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 14204"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 14205"\"opt\"><type>double precision[] </type> <parameter>quantiles=NULL</" 14206"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 14207"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14208"<parameter>rast</parameter></paramdef> <paramdef><type>double precision[] </" 14209"type> <parameter>quantiles</parameter></paramdef> </funcprototype> " 14210"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14211"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14212"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14213"paramdef> <paramdef><type>double precision[] </type> <parameter>quantiles</" 14214"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>double " 14215"precision <function>ST_Quantile</function></funcdef> <paramdef><type>raster " 14216"</type> <parameter>rast</parameter></paramdef> <paramdef><type>double " 14217"precision </type> <parameter>quantile</parameter></paramdef> </" 14218"funcprototype> <funcprototype> <funcdef>double precision " 14219"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14220"<parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 14221"<parameter>exclude_nodata_value</parameter></paramdef> <paramdef choice=\"opt" 14222"\"><type>double precision </type> <parameter>quantile=NULL</parameter></" 14223"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 14224"<function>ST_Quantile</function></funcdef> <paramdef><type>raster </type> " 14225"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14226"<parameter>nband</parameter></paramdef> <paramdef><type>double precision </" 14227"type> <parameter>quantile</parameter></paramdef> </funcprototype> " 14228"<funcprototype> <funcdef>double precision <function>ST_Quantile</function></" 14229"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14230"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14231"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14232"parameter></paramdef> <paramdef><type>double precision </type> " 14233"<parameter>quantile</parameter></paramdef> </funcprototype> <funcprototype> " 14234"<funcdef>double precision <function>ST_Quantile</function></funcdef> " 14235"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 14236"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 14237"<paramdef><type>double precision </type> <parameter>quantile</parameter></" 14238"paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 14239"<function>ST_Quantile</function></funcdef> <paramdef><type>text </type> " 14240"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 14241"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 14242"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 14243"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 14244"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 14245"type> <parameter>quantiles=NULL</parameter></paramdef> </funcprototype> " 14246"<funcprototype> <funcdef>SETOF record <function>ST_Quantile</function></" 14247"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 14248"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 14249"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 14250"paramdef> <paramdef><type>double precision[] </type> <parameter>quantiles</" 14251"parameter></paramdef> </funcprototype>" 14252 14253#. Tag: para 14254#: reference_raster.xml:5506 14255#, no-c-format 14256msgid "" 14257"<para>Compute quantiles for a raster or raster table coverage in the context " 14258"of the sample or population. Thus, a value could be examined to be at the " 14259"raster's 25%, 50%, 75% percentile.</para>" 14260msgstr "" 14261"<para>ラスタまたはラスタテーブルカバレッジのサンプルまたは母集団の分位数を計" 14262"算します。値がラスタの25%,50%,75%にあるかを調べることができます。</para>" 14263 14264#. Tag: para 14265#: reference_raster.xml:5507 reference_raster.xml:5799 14266#, no-c-format 14267msgid "" 14268"If <varname>exclude_nodata_value</varname> is set to false, will also count " 14269"pixels with no data." 14270msgstr "" 14271"<varname>exclude_nodata_value</varname>をFALSEに設定している場合には、NODATA" 14272"値となるピクセルも数えます。" 14273 14274#. Tag: programlisting 14275#: reference_raster.xml:5514 14276#, no-c-format 14277msgid "" 14278"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,249) WHERE rid=2;\n" 14279"--Example will consider only pixels of band 1 that are not 249 and in named " 14280"quantiles --\n" 14281"\n" 14282"SELECT (pvq).*\n" 14283"FROM (SELECT ST_Quantile(rast, ARRAY[0.25,0.75]) As pvq\n" 14284" FROM dummy_rast WHERE rid=2) As foo\n" 14285" ORDER BY (pvq).quantile;\n" 14286"\n" 14287" quantile | value\n" 14288"----------+-------\n" 14289" 0.25 | 253\n" 14290" 0.75 | 254\n" 14291"\n" 14292"SELECT ST_Quantile(rast, 0.75) As value\n" 14293" FROM dummy_rast WHERE rid=2;\n" 14294"\n" 14295"value\n" 14296"------\n" 14297" 254" 14298msgstr "" 14299"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,249) WHERE rid=2;\n" 14300"-- 1番バンドの値が249でないピクセルのみ考慮に入れた分位数を計算する例です\n" 14301"\n" 14302"SELECT (pvq).*\n" 14303"FROM (SELECT ST_Quantile(rast, ARRAY[0.25,0.75]) As pvq\n" 14304" FROM dummy_rast WHERE rid=2) As foo\n" 14305" ORDER BY (pvq).quantile;\n" 14306"\n" 14307" quantile | value\n" 14308"----------+-------\n" 14309" 0.25 | 253\n" 14310" 0.75 | 254\n" 14311"\n" 14312"SELECT ST_Quantile(rast, 0.75) As value\n" 14313" FROM dummy_rast WHERE rid=2;\n" 14314"\n" 14315"value\n" 14316"------\n" 14317" 254" 14318 14319#. Tag: programlisting 14320#: reference_raster.xml:5515 14321#, no-c-format 14322msgid "" 14323"--real live example. Quantile of all pixels in band 2 intersecting a " 14324"geometry\n" 14325"SELECT rid, (ST_Quantile(rast,2)).* As pvc\n" 14326" FROM o_4_boston\n" 14327" WHERE ST_Intersects(rast,\n" 14328" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 14329"892200,224706 892151,224486 892151))',26986)\n" 14330" )\n" 14331"ORDER BY value, quantile,rid\n" 14332";\n" 14333"\n" 14334"\n" 14335" rid | quantile | value\n" 14336"-----+----------+-------\n" 14337" 1 | 0 | 0\n" 14338" 2 | 0 | 0\n" 14339" 14 | 0 | 1\n" 14340" 15 | 0 | 2\n" 14341" 14 | 0.25 | 37\n" 14342" 1 | 0.25 | 42\n" 14343" 15 | 0.25 | 47\n" 14344" 2 | 0.25 | 50\n" 14345" 14 | 0.5 | 56\n" 14346" 1 | 0.5 | 64\n" 14347" 15 | 0.5 | 66\n" 14348" 2 | 0.5 | 77\n" 14349" 14 | 0.75 | 81\n" 14350" 15 | 0.75 | 87\n" 14351" 1 | 0.75 | 94\n" 14352" 2 | 0.75 | 106\n" 14353" 14 | 1 | 199\n" 14354" 1 | 1 | 244\n" 14355" 2 | 1 | 255\n" 14356" 15 | 1 | 255" 14357msgstr "" 14358"-- 実際の例です。2番バンドでジオメトリとインタセクトする部分の\n" 14359"-- 全てのピクセルの分位数を計算します。\n" 14360"SELECT rid, (ST_Quantile(rast,2)).* As pvc\n" 14361" FROM o_4_boston\n" 14362" WHERE ST_Intersects(rast,\n" 14363" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 14364"892200,224706 892151,224486 892151))',26986)\n" 14365" )\n" 14366"ORDER BY value, quantile,rid\n" 14367";\n" 14368"\n" 14369"\n" 14370" rid | quantile | value\n" 14371"-----+----------+-------\n" 14372" 1 | 0 | 0\n" 14373" 2 | 0 | 0\n" 14374" 14 | 0 | 1\n" 14375" 15 | 0 | 2\n" 14376" 14 | 0.25 | 37\n" 14377" 1 | 0.25 | 42\n" 14378" 15 | 0.25 | 47\n" 14379" 2 | 0.25 | 50\n" 14380" 14 | 0.5 | 56\n" 14381" 1 | 0.5 | 64\n" 14382" 15 | 0.5 | 66\n" 14383" 2 | 0.5 | 77\n" 14384" 14 | 0.75 | 81\n" 14385" 15 | 0.75 | 87\n" 14386" 1 | 0.75 | 94\n" 14387" 2 | 0.75 | 106\n" 14388" 14 | 1 | 199\n" 14389" 1 | 1 | 244\n" 14390" 2 | 1 | 255\n" 14391" 15 | 1 | 255" 14392 14393#. Tag: para 14394#: reference_raster.xml:5520 14395#, no-c-format 14396msgid "" 14397", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 14398"\"RT_ST_SummaryStatsAgg\"/>, <xref linkend=\"RT_ST_SetBandNoDataValue\"/>" 14399msgstr "" 14400", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=" 14401"\"RT_ST_SummaryStatsAgg\"/>, <xref linkend=\"RT_ST_SetBandNoDataValue\"/>" 14402 14403#. Tag: refname 14404#: reference_raster.xml:5531 14405#, no-c-format 14406msgid "ST_SummaryStats" 14407msgstr "ST_SummaryStats" 14408 14409#. Tag: refpurpose 14410#: reference_raster.xml:5532 14411#, no-c-format 14412msgid "" 14413"Returns summarystats consisting of count, sum, mean, stddev, min, max for a " 14414"given raster band of a raster or raster coverage. Band 1 is assumed is no " 14415"band is specified." 14416msgstr "" 14417"ラスタまたはラスタカバレッジの指定したバンドについて、ピクセル数、合計値、平" 14418"均値、標準偏差、最小値、最大値からなる統計情報の概要を返します。バンドを指定" 14419"しない場合には、1番と仮定します。" 14420 14421#. Tag: funcsynopsis 14422#: reference_raster.xml:5536 14423#, no-c-format 14424msgid "" 14425"<funcprototype> <funcdef>summarystats <function>ST_SummaryStats</function></" 14426"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14427"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14428"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14429"<function>ST_SummaryStats</function></funcdef> <paramdef><type>raster </" 14430"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14431"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 14432"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype> " 14433"<funcprototype> <funcdef>summarystats <function>ST_SummaryStats</function></" 14434"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 14435"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 14436"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14437"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14438"<function>ST_SummaryStats</function></funcdef> <paramdef><type>text </type> " 14439"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 14440"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 14441"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 14442"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 14443"parameter></paramdef> </funcprototype>" 14444msgstr "" 14445"<funcprototype> <funcdef>summarystats <function>ST_SummaryStats</function></" 14446"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14447"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14448"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14449"<function>ST_SummaryStats</function></funcdef> <paramdef><type>raster </" 14450"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14451"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 14452"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype> " 14453"<funcprototype> <funcdef>summarystats <function>ST_SummaryStats</function></" 14454"funcdef> <paramdef><type>text </type> <parameter>rastertable</parameter></" 14455"paramdef> <paramdef><type>text </type> <parameter>rastercolumn</parameter></" 14456"paramdef> <paramdef><type>boolean </type> <parameter>exclude_nodata_value</" 14457"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14458"<function>ST_SummaryStats</function></funcdef> <paramdef><type>text </type> " 14459"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 14460"<parameter>rastercolumn</parameter></paramdef> <paramdef choice=\"opt" 14461"\"><type>integer </type> <parameter>nband=1</parameter></paramdef> <paramdef " 14462"choice=\"opt\"><type>boolean </type> <parameter>exclude_nodata_value=true</" 14463"parameter></paramdef> </funcprototype>" 14464 14465#. Tag: para 14466#: reference_raster.xml:5572 reference_raster.xml:5651 14467#, no-c-format 14468msgid "" 14469"Returns <xref linkend=\"summarystats\"/> consisting of count, sum, mean, " 14470"stddev, min, max for a given raster band of a raster or raster coverage. If " 14471"no band is specified <varname>nband</varname> defaults to 1." 14472msgstr "" 14473"ラスタまたはラスタカバレッジの指定したバンドについて、ピクセル数、合計値、平" 14474"均値、標準偏差、最小値、最大値からなる<xref linkend=\"summarystats\"/>による" 14475"統計情報の概要を返します。<varname>nband</varname>でバンドを指定しない場合に" 14476"は、1番と仮定します。" 14477 14478#. Tag: para 14479#: reference_raster.xml:5574 14480#, no-c-format 14481msgid "" 14482"By default only considers pixel values not equal to the <varname>nodata</" 14483"varname> value. Set <varname>exclude_nodata_value</varname> to false to get " 14484"count of all pixels." 14485msgstr "" 14486"デフォルトでは、<varname>nodata</varname>と同じピクセル値は考慮に入れません。" 14487"<varname>exclude_nodata_value</varname>をFALSEに設定すると全てのピクセルを数" 14488"えます。" 14489 14490#. Tag: para 14491#: reference_raster.xml:5576 14492#, no-c-format 14493msgid "" 14494"By default will sample all pixels. To get faster response, set " 14495"<varname>sample_percent</varname> to lower than 1" 14496msgstr "" 14497"デフォルトでは、全てのピクセルを見ます。より早い応答を得るには、" 14498"<varname>sample_percent</varname>値を1未満で設定します。" 14499 14500#. Tag: para 14501#: reference_raster.xml:5581 14502#, no-c-format 14503msgid "" 14504"The ST_SummaryStats(rastertable, rastercolumn, ...) variants are deprecated " 14505"as of 2.2.0. Use <xref linkend=\"RT_ST_SummaryStatsAgg\"/> instead." 14506msgstr "" 14507"ST_SummaryStats(rastertable, rastercolumn, ...)の形式は2.2.0で非推奨になりま" 14508"した。代わりに<xref linkend=\"RT_ST_SummaryStatsAgg\"/>を使います。" 14509 14510#. Tag: title 14511#: reference_raster.xml:5589 14512#, no-c-format 14513msgid "Example: Single raster tile" 14514msgstr "例: 単一ラスタタイル" 14515 14516#. Tag: programlisting 14517#: reference_raster.xml:5590 14518#, no-c-format 14519msgid "" 14520"SELECT rid, band, (stats).*\n" 14521"FROM (SELECT rid, band, ST_SummaryStats(rast, band) As stats\n" 14522" FROM dummy_rast CROSS JOIN generate_series(1,3) As band\n" 14523" WHERE rid=2) As foo;\n" 14524"\n" 14525" rid | band | count | sum | mean | stddev | min | max\n" 14526"-----+------+-------+------+------------+-----------+-----+-----\n" 14527" 2 | 1 | 23 | 5821 | 253.086957 | 1.248061 | 250 | 254\n" 14528" 2 | 2 | 25 | 3682 | 147.28 | 59.862188 | 78 | 254\n" 14529" 2 | 3 | 25 | 3290 | 131.6 | 61.647384 | 62 | 254" 14530msgstr "" 14531"SELECT rid, band, (stats).*\n" 14532"FROM (SELECT rid, band, ST_SummaryStats(rast, band) As stats\n" 14533" FROM dummy_rast CROSS JOIN generate_series(1,3) As band\n" 14534" WHERE rid=2) As foo;\n" 14535"\n" 14536" rid | band | count | sum | mean | stddev | min | max\n" 14537"-----+------+-------+------+------------+-----------+-----+-----\n" 14538" 2 | 1 | 23 | 5821 | 253.086957 | 1.248061 | 250 | 254\n" 14539" 2 | 2 | 25 | 3682 | 147.28 | 59.862188 | 78 | 254\n" 14540" 2 | 3 | 25 | 3290 | 131.6 | 61.647384 | 62 | 254" 14541 14542#. Tag: title 14543#: reference_raster.xml:5594 14544#, no-c-format 14545msgid "Example: Summarize pixels that intersect buildings of interest" 14546msgstr "例: 対象とする建物とインタセクトするピクセルの概要" 14547 14548#. Tag: para 14549#: reference_raster.xml:5595 14550#, no-c-format 14551msgid "" 14552"This example took 574ms on PostGIS windows 64-bit with all of Boston " 14553"Buildings and aerial Tiles (tiles each 150x150 pixels ~ 134,000 tiles), " 14554"~102,000 building records" 14555msgstr "" 14556"この例は、ボストンの建物の全て (約102,000件)と空中写真タイル (150x150ピクセル" 14557"で約134,000タイル)とで、Windows 64ビット上のPostGISで計算したところ、574ミリ" 14558"秒かかりました。" 14559 14560#. Tag: programlisting 14561#: reference_raster.xml:5597 14562#, no-c-format 14563msgid "" 14564"WITH\n" 14565"-- our features of interest\n" 14566" feat AS (SELECT gid As building_id, geom_26986 As geom FROM buildings AS " 14567"b\n" 14568" WHERE gid IN(100, 103,150)\n" 14569" ),\n" 14570"-- clip band 2 of raster tiles to boundaries of builds\n" 14571"-- then get stats for these clipped regions\n" 14572" b_stats AS\n" 14573" (SELECT building_id, (stats).*\n" 14574"FROM (SELECT building_id, ST_SummaryStats(ST_Clip(rast,2,geom)) As stats\n" 14575" FROM aerials.boston\n" 14576" INNER JOIN feat\n" 14577" ON ST_Intersects(feat.geom,rast)\n" 14578" ) As foo\n" 14579" )\n" 14580"-- finally summarize stats\n" 14581"SELECT building_id, SUM(count) As num_pixels\n" 14582" , MIN(min) As min_pval\n" 14583" , MAX(max) As max_pval\n" 14584" , SUM(mean*count)/SUM(count) As avg_pval\n" 14585" FROM b_stats\n" 14586" WHERE count > 0\n" 14587" GROUP BY building_id\n" 14588" ORDER BY building_id;\n" 14589" building_id | num_pixels | min_pval | max_pval | avg_pval\n" 14590"-------------+------------+----------+----------+------------------\n" 14591" 100 | 1090 | 1 | 255 | 61.0697247706422\n" 14592" 103 | 655 | 7 | 182 | 70.5038167938931\n" 14593" 150 | 895 | 2 | 252 | 185.642458100559" 14594msgstr "" 14595"WITH\n" 14596"-- 対象地物\n" 14597" feat AS (SELECT gid As building_id, geom_26986 As geom FROM buildings AS " 14598"b\n" 14599" WHERE gid IN(100, 103,150)\n" 14600" ),\n" 14601"-- ラスタタイルの2番バンドを建物の境界で切り取って\n" 14602"-- その範囲の統計情報を得ます\n" 14603" b_stats AS\n" 14604" (SELECT building_id, (stats).*\n" 14605"FROM (SELECT building_id, ST_SummaryStats(ST_Clip(rast,2,geom)) As stats\n" 14606" FROM aerials.boston\n" 14607" INNER JOIN feat\n" 14608" ON ST_Intersects(feat.geom,rast)\n" 14609" ) As foo\n" 14610" )\n" 14611"-- 最後に統計情報の概要を得ます\n" 14612"SELECT building_id, SUM(count) As num_pixels\n" 14613" , MIN(min) As min_pval\n" 14614" , MAX(max) As max_pval\n" 14615" , SUM(mean*count)/SUM(count) As avg_pval\n" 14616" FROM b_stats\n" 14617" WHERE count > 0\n" 14618" GROUP BY building_id\n" 14619" ORDER BY building_id;\n" 14620" building_id | num_pixels | min_pval | max_pval | avg_pval\n" 14621"-------------+------------+----------+----------+------------------\n" 14622" 100 | 1090 | 1 | 255 | 61.0697247706422\n" 14623" 103 | 655 | 7 | 182 | 70.5038167938931\n" 14624" 150 | 895 | 2 | 252 | 185.642458100559" 14625 14626#. Tag: title 14627#: reference_raster.xml:5601 14628#, no-c-format 14629msgid "Example: Raster coverage" 14630msgstr "例:ラスタカバレッジ" 14631 14632#. Tag: programlisting 14633#: reference_raster.xml:5602 14634#, no-c-format 14635msgid "" 14636"-- stats for each band --\n" 14637"SELECT band, (stats).*\n" 14638"FROM (SELECT band, ST_SummaryStats('o_4_boston','rast', band) As stats\n" 14639" FROM generate_series(1,3) As band) As foo;\n" 14640"\n" 14641" band | count | sum | mean | stddev | min | max\n" 14642"------+---------+--------+------------------+------------------+-----+-----\n" 14643" 1 | 8450000 | 725799 | 82.7064349112426 | 45.6800222638537 | 0 | 255\n" 14644" 2 | 8450000 | 700487 | 81.4197705325444 | 44.2161184161765 | 0 | 255\n" 14645" 3 | 8450000 | 575943 | 74.682739408284 | 44.2143885481407 | 0 | 255\n" 14646"\n" 14647"-- For a table -- will get better speed if set sampling to less than 100%\n" 14648"-- Here we set to 25% and get a much faster answer\n" 14649"SELECT band, (stats).*\n" 14650"FROM (SELECT band, ST_SummaryStats('o_4_boston','rast', band,true,0.25) As " 14651"stats\n" 14652" FROM generate_series(1,3) As band) As foo;\n" 14653"\n" 14654" band | count | sum | mean | stddev | min | max\n" 14655"------+---------+--------+------------------+------------------+-----+-----\n" 14656" 1 | 2112500 | 180686 | 82.6890480473373 | 45.6961043857248 | 0 | 255\n" 14657" 2 | 2112500 | 174571 | 81.448503668639 | 44.2252623171821 | 0 | 255\n" 14658" 3 | 2112500 | 144364 | 74.6765884023669 | 44.2014869384578 | 0 | 255" 14659msgstr "" 14660"-- バンドごとの統計情報 --\n" 14661"SELECT band, (stats).*\n" 14662"FROM (SELECT band, ST_SummaryStats('o_4_boston','rast', band) As stats\n" 14663" FROM generate_series(1,3) As band) As foo;\n" 14664"\n" 14665" band | count | sum | mean | stddev | min | max\n" 14666"------+---------+--------+------------------+------------------+-----+-----\n" 14667" 1 | 8450000 | 725799 | 82.7064349112426 | 45.6800222638537 | 0 | 255\n" 14668" 2 | 8450000 | 700487 | 81.4197705325444 | 44.2161184161765 | 0 | 255\n" 14669" 3 | 8450000 | 575943 | 74.682739408284 | 44.2143885481407 | 0 | 255\n" 14670"\n" 14671"-- テーブルの場合 -- サンプリング率を100%より低くすると早くなります\n" 14672"-- 25%に設定して、速く答を得ています\n" 14673"SELECT band, (stats).*\n" 14674"FROM (SELECT band, ST_SummaryStats('o_4_boston','rast', band,true,0.25) As " 14675"stats\n" 14676" FROM generate_series(1,3) As band) As foo;\n" 14677"\n" 14678" band | count | sum | mean | stddev | min | max\n" 14679"------+---------+--------+------------------+------------------+-----+-----\n" 14680" 1 | 2112500 | 180686 | 82.6890480473373 | 45.6961043857248 | 0 | 255\n" 14681" 2 | 2112500 | 174571 | 81.448503668639 | 44.2252623171821 | 0 | 255\n" 14682" 3 | 2112500 | 144364 | 74.6765884023669 | 44.2014869384578 | 0 | 255" 14683 14684#. Tag: para 14685#: reference_raster.xml:5607 14686#, no-c-format 14687msgid "" 14688", <xref linkend=\"RT_ST_SummaryStatsAgg\"/>, <xref linkend=\"RT_ST_Count\"/" 14689">, <xref linkend=\"RT_ST_Clip\"/>" 14690msgstr "" 14691", <xref linkend=\"RT_ST_SummaryStatsAgg\"/>, <xref linkend=\"RT_ST_Count\"/" 14692">, <xref linkend=\"RT_ST_Clip\"/>" 14693 14694#. Tag: refname 14695#: reference_raster.xml:5618 14696#, no-c-format 14697msgid "ST_SummaryStatsAgg" 14698msgstr "ST_SummaryStatsAgg" 14699 14700#. Tag: refpurpose 14701#: reference_raster.xml:5619 14702#, no-c-format 14703msgid "" 14704"Aggregate. Returns summarystats consisting of count, sum, mean, stddev, min, " 14705"max for a given raster band of a set of raster. Band 1 is assumed is no band " 14706"is specified." 14707msgstr "" 14708"集約関数です。ラスタ集合の指定したバンドについて、ピクセル数、合計値、平均" 14709"値、標準偏差、最小値、最大値からなる統計情報の概要を返します。バンドを指定し" 14710"ない場合には、1番と仮定します。" 14711 14712#. Tag: funcsynopsis 14713#: reference_raster.xml:5623 14714#, no-c-format 14715msgid "" 14716"<funcprototype> <funcdef>summarystats <function>ST_SummaryStatsAgg</" 14717"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 14718"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 14719"parameter></paramdef> <paramdef><type>boolean </type> " 14720"<parameter>exclude_nodata_value</parameter></paramdef> " 14721"<paramdef><type>double precision </type> <parameter>sample_percent</" 14722"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14723"<function>ST_SummaryStatsAgg</function></funcdef> <paramdef><type>raster </" 14724"type> <parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 14725"<parameter>exclude_nodata_value</parameter></paramdef> " 14726"<paramdef><type>double precision </type> <parameter>sample_percent</" 14727"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14728"<function>ST_SummaryStatsAgg</function></funcdef> <paramdef><type>raster </" 14729"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14730"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 14731"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 14732msgstr "" 14733"<funcprototype> <funcdef>summarystats <function>ST_SummaryStatsAgg</" 14734"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 14735"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 14736"parameter></paramdef> <paramdef><type>boolean </type> " 14737"<parameter>exclude_nodata_value</parameter></paramdef> " 14738"<paramdef><type>double precision </type> <parameter>sample_percent</" 14739"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14740"<function>ST_SummaryStatsAgg</function></funcdef> <paramdef><type>raster </" 14741"type> <parameter>rast</parameter></paramdef> <paramdef><type>boolean </type> " 14742"<parameter>exclude_nodata_value</parameter></paramdef> " 14743"<paramdef><type>double precision </type> <parameter>sample_percent</" 14744"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>summarystats " 14745"<function>ST_SummaryStatsAgg</function></funcdef> <paramdef><type>raster </" 14746"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14747"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 14748"<parameter>exclude_nodata_value</parameter></paramdef> </funcprototype>" 14749 14750#. Tag: para 14751#: reference_raster.xml:5653 14752#, no-c-format 14753msgid "" 14754"By default only considers pixel values not equal to the <varname>NODATA</" 14755"varname> value. Set <varname>exclude_nodata_value</varname> to False to get " 14756"count of all pixels." 14757msgstr "" 14758"デフォルトでは、<varname>NODATA</varname>と同じピクセル値は考慮に入れません。" 14759"<varname>exclude_nodata_value</varname>をFALSEに設定すると全てのピクセルを数" 14760"えます。" 14761 14762#. Tag: para 14763#: reference_raster.xml:5655 14764#, no-c-format 14765msgid "" 14766"By default will sample all pixels. To get faster response, set " 14767"<varname>sample_percent</varname> to value between 0 and 1" 14768msgstr "" 14769"デフォルトでは全てのピクセルを見ます。よりい早い応答を得るには、" 14770"<varname>sample_percent</varname>を0から1の間で設定します。" 14771 14772#. Tag: programlisting 14773#: reference_raster.xml:5662 14774#, no-c-format 14775msgid "" 14776"WITH foo AS (\n" 14777" SELECT\n" 14778" rast.rast\n" 14779" FROM (\n" 14780" SELECT ST_SetValue(\n" 14781" ST_SetValue(\n" 14782" ST_SetValue(\n" 14783" ST_AddBand(\n" 14784" ST_MakeEmptyRaster(10, 10, " 14785"10, 10, 2, 2, 0, 0,0)\n" 14786" , 1, '64BF', 0, 0\n" 14787" )\n" 14788" , 1, 1, 1, -10\n" 14789" )\n" 14790" , 1, 5, 4, 0\n" 14791" )\n" 14792" , 1, 5, 5, 3.14159\n" 14793" ) AS rast\n" 14794" ) AS rast\n" 14795" FULL JOIN (\n" 14796" SELECT generate_series(1, 10) AS id\n" 14797" ) AS id\n" 14798" ON 1 = 1\n" 14799")\n" 14800"SELECT\n" 14801" (stats).count,\n" 14802" round((stats).sum::numeric, 3),\n" 14803" round((stats).mean::numeric, 3),\n" 14804" round((stats).stddev::numeric, 3),\n" 14805" round((stats).min::numeric, 3),\n" 14806" round((stats).max::numeric, 3)\n" 14807"FROM (\n" 14808" SELECT\n" 14809" ST_SummaryStatsAgg(rast, 1, TRUE, 1) AS stats\n" 14810" FROM foo\n" 14811") bar;\n" 14812"\n" 14813" count | round | round | round | round | round\n" 14814"-------+---------+--------+-------+---------+-------\n" 14815" 20 | -68.584 | -3.429 | 6.571 | -10.000 | 3.142\n" 14816"(1 row)" 14817msgstr "" 14818"WITH foo AS (\n" 14819" SELECT\n" 14820" rast.rast\n" 14821" FROM (\n" 14822" SELECT ST_SetValue(\n" 14823" ST_SetValue(\n" 14824" ST_SetValue(\n" 14825" ST_AddBand(\n" 14826" ST_MakeEmptyRaster(10, 10, " 14827"10, 10, 2, 2, 0, 0,0)\n" 14828" , 1, '64BF', 0, 0\n" 14829" )\n" 14830" , 1, 1, 1, -10\n" 14831" )\n" 14832" , 1, 5, 4, 0\n" 14833" )\n" 14834" , 1, 5, 5, 3.14159\n" 14835" ) AS rast\n" 14836" ) AS rast\n" 14837" FULL JOIN (\n" 14838" SELECT generate_series(1, 10) AS id\n" 14839" ) AS id\n" 14840" ON 1 = 1\n" 14841")\n" 14842"SELECT\n" 14843" (stats).count,\n" 14844" round((stats).sum::numeric, 3),\n" 14845" round((stats).mean::numeric, 3),\n" 14846" round((stats).stddev::numeric, 3),\n" 14847" round((stats).min::numeric, 3),\n" 14848" round((stats).max::numeric, 3)\n" 14849"FROM (\n" 14850" SELECT\n" 14851" ST_SummaryStatsAgg(rast, 1, TRUE, 1) AS stats\n" 14852" FROM foo\n" 14853") bar;\n" 14854"\n" 14855" count | round | round | round | round | round\n" 14856"-------+---------+--------+-------+---------+-------\n" 14857" 20 | -68.584 | -3.429 | 6.571 | -10.000 | 3.142\n" 14858"(1 row)" 14859 14860#. Tag: para 14861#: reference_raster.xml:5667 14862#, no-c-format 14863msgid "" 14864", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=\"RT_ST_Count\"/>, " 14865"<xref linkend=\"RT_ST_Clip\"/>" 14866msgstr "" 14867", <xref linkend=\"RT_ST_SummaryStats\"/>, <xref linkend=\"RT_ST_Count\"/>, " 14868"<xref linkend=\"RT_ST_Clip\"/>" 14869 14870#. Tag: refname 14871#: reference_raster.xml:5678 14872#, no-c-format 14873msgid "ST_ValueCount" 14874msgstr "ST_ValueCount" 14875 14876#. Tag: refpurpose 14877#: reference_raster.xml:5679 14878#, no-c-format 14879msgid "" 14880"Returns a set of records containing a pixel band value and count of the " 14881"number of pixels in a given band of a raster (or a raster coverage) that " 14882"have a given set of values. If no band is specified defaults to band 1. By " 14883"default nodata value pixels are not counted. and all other values in the " 14884"pixel are output and pixel band values are rounded to the nearest integer." 14885msgstr "" 14886"ラスタ (またはラスタカバレッジ)の指定されたバンドで、指定した値を持つピクセ" 14887"ルを対象として、ピクセルバンド値とピクセル数からなるレコードの集合を返しま" 14888"す。バンドを指定しない場合には、1番と仮定します。デフォルトではNODATA値のピク" 14889"セルは数えられず、ピクセルの他の値は出力され、ピクセルバンド値は最も近い整数" 14890"に丸められます。" 14891 14892#. Tag: funcsynopsis 14893#: reference_raster.xml:5684 14894#, no-c-format 14895msgid "" 14896"<funcprototype> <funcdef>SETOF record <function>ST_ValueCount</function></" 14897"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14898"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 14899"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 14900"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 14901"\"opt\"><type>double precision[] </type> <parameter>searchvalues=NULL</" 14902"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 14903"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 14904"precision </type> <parameter>OUT value</parameter></paramdef> " 14905"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 14906"</funcprototype> <funcprototype> <funcdef>SETOF record " 14907"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 14908"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14909"<parameter>nband</parameter></paramdef> <paramdef><type>double precision[] </" 14910"type> <parameter>searchvalues</parameter></paramdef> <paramdef choice=\"opt" 14911"\"><type>double precision </type> <parameter>roundto=0</parameter></" 14912"paramdef> <paramdef><type>double precision </type> <parameter>OUT value</" 14913"parameter></paramdef> <paramdef><type>integer </type> <parameter>OUT count</" 14914"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 14915"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 14916"<parameter>rast</parameter></paramdef> <paramdef><type>double precision[] </" 14917"type> <parameter>searchvalues</parameter></paramdef> <paramdef choice=\"opt" 14918"\"><type>double precision </type> <parameter>roundto=0</parameter></" 14919"paramdef> <paramdef><type>double precision </type> <parameter>OUT value</" 14920"parameter></paramdef> <paramdef><type>integer </type> <parameter>OUT count</" 14921"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 14922"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 14923"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 14924"type> <parameter>searchvalue</parameter></paramdef> <paramdef choice=\"opt" 14925"\"><type>double precision </type> <parameter>roundto=0</parameter></" 14926"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 14927"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 14928"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 14929"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 14930"<parameter>exclude_nodata_value</parameter></paramdef> " 14931"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 14932"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 14933"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 14934"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 14935"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 14936"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 14937"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 14938"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 14939"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 14940"<funcdef>SETOF record <function>ST_ValueCount</function></funcdef> " 14941"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 14942"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 14943"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 14944"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 14945"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 14946"\"opt\"><type>double precision[] </type> <parameter>searchvalues=NULL</" 14947"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 14948"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 14949"precision </type> <parameter>OUT value</parameter></paramdef> " 14950"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 14951"</funcprototype> <funcprototype> <funcdef>SETOF record " 14952"<function>ST_ValueCount</function></funcdef> <paramdef><type>text </type> " 14953"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 14954"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>double " 14955"precision[] </type> <parameter>searchvalues</parameter></paramdef> <paramdef " 14956"choice=\"opt\"><type>double precision </type> <parameter>roundto=0</" 14957"parameter></paramdef> <paramdef><type>double precision </type> " 14958"<parameter>OUT value</parameter></paramdef> <paramdef><type>integer </type> " 14959"<parameter>OUT count</parameter></paramdef> </funcprototype> <funcprototype> " 14960"<funcdef>SETOF record <function>ST_ValueCount</function></funcdef> " 14961"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 14962"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 14963"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 14964"<paramdef><type>double precision[] </type> <parameter>searchvalues</" 14965"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 14966"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 14967"precision </type> <parameter>OUT value</parameter></paramdef> " 14968"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 14969"</funcprototype> <funcprototype> <funcdef>bigint<function>ST_ValueCount</" 14970"function></funcdef> <paramdef><type>text </type> <parameter>rastertable</" 14971"parameter></paramdef> <paramdef><type>text </type> <parameter>rastercolumn</" 14972"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 14973"parameter></paramdef> <paramdef><type>boolean </type> " 14974"<parameter>exclude_nodata_value</parameter></paramdef> " 14975"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 14976"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 14977"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 14978"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 14979"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 14980"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 14981"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 14982"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 14983"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 14984"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 14985"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 14986"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 14987"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 14988"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 14989"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 14990"<parameter>roundto=0</parameter></paramdef> </funcprototype>" 14991msgstr "" 14992"<funcprototype> <funcdef>SETOF record <function>ST_ValueCount</function></" 14993"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 14994"paramdef> <paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 14995"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 14996"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 14997"\"opt\"><type>double precision[] </type> <parameter>searchvalues=NULL</" 14998"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 14999"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 15000"precision </type> <parameter>OUT value</parameter></paramdef> " 15001"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 15002"</funcprototype> <funcprototype> <funcdef>SETOF record " 15003"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 15004"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 15005"<parameter>nband</parameter></paramdef> <paramdef><type>double precision[] </" 15006"type> <parameter>searchvalues</parameter></paramdef> <paramdef choice=\"opt" 15007"\"><type>double precision </type> <parameter>roundto=0</parameter></" 15008"paramdef> <paramdef><type>double precision </type> <parameter>OUT value</" 15009"parameter></paramdef> <paramdef><type>integer </type> <parameter>OUT count</" 15010"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>SETOF record " 15011"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 15012"<parameter>rast</parameter></paramdef> <paramdef><type>double precision[] </" 15013"type> <parameter>searchvalues</parameter></paramdef> <paramdef choice=\"opt" 15014"\"><type>double precision </type> <parameter>roundto=0</parameter></" 15015"paramdef> <paramdef><type>double precision </type> <parameter>OUT value</" 15016"parameter></paramdef> <paramdef><type>integer </type> <parameter>OUT count</" 15017"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 15018"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 15019"<parameter>rast</parameter></paramdef> <paramdef><type>double precision </" 15020"type> <parameter>searchvalue</parameter></paramdef> <paramdef choice=\"opt" 15021"\"><type>double precision </type> <parameter>roundto=0</parameter></" 15022"paramdef> </funcprototype> <funcprototype> <funcdef>bigint " 15023"<function>ST_ValueCount</function></funcdef> <paramdef><type>raster </type> " 15024"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 15025"<parameter>nband</parameter></paramdef> <paramdef><type>boolean </type> " 15026"<parameter>exclude_nodata_value</parameter></paramdef> " 15027"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 15028"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 15029"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 15030"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 15031"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15032"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 15033"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 15034"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 15035"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 15036"<funcdef>SETOF record <function>ST_ValueCount</function></funcdef> " 15037"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 15038"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 15039"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 15040"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 15041"<parameter>exclude_nodata_value=true</parameter></paramdef> <paramdef choice=" 15042"\"opt\"><type>double precision[] </type> <parameter>searchvalues=NULL</" 15043"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 15044"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 15045"precision </type> <parameter>OUT value</parameter></paramdef> " 15046"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 15047"</funcprototype> <funcprototype> <funcdef>SETOF record " 15048"<function>ST_ValueCount</function></funcdef> <paramdef><type>text </type> " 15049"<parameter>rastertable</parameter></paramdef> <paramdef><type>text </type> " 15050"<parameter>rastercolumn</parameter></paramdef> <paramdef><type>double " 15051"precision[] </type> <parameter>searchvalues</parameter></paramdef> <paramdef " 15052"choice=\"opt\"><type>double precision </type> <parameter>roundto=0</" 15053"parameter></paramdef> <paramdef><type>double precision </type> " 15054"<parameter>OUT value</parameter></paramdef> <paramdef><type>integer </type> " 15055"<parameter>OUT count</parameter></paramdef> </funcprototype> <funcprototype> " 15056"<funcdef>SETOF record <function>ST_ValueCount</function></funcdef> " 15057"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 15058"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 15059"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 15060"<paramdef><type>double precision[] </type> <parameter>searchvalues</" 15061"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 15062"type> <parameter>roundto=0</parameter></paramdef> <paramdef><type>double " 15063"precision </type> <parameter>OUT value</parameter></paramdef> " 15064"<paramdef><type>integer </type> <parameter>OUT count</parameter></paramdef> " 15065"</funcprototype> <funcprototype> <funcdef>bigint<function>ST_ValueCount</" 15066"function></funcdef> <paramdef><type>text </type> <parameter>rastertable</" 15067"parameter></paramdef> <paramdef><type>text </type> <parameter>rastercolumn</" 15068"parameter></paramdef> <paramdef><type>integer </type> <parameter>nband</" 15069"parameter></paramdef> <paramdef><type>boolean </type> " 15070"<parameter>exclude_nodata_value</parameter></paramdef> " 15071"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 15072"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 15073"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 15074"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 15075"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 15076"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 15077"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 15078"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 15079"<parameter>roundto=0</parameter></paramdef> </funcprototype> <funcprototype> " 15080"<funcdef>bigint <function>ST_ValueCount</function></funcdef> " 15081"<paramdef><type>text </type> <parameter>rastertable</parameter></paramdef> " 15082"<paramdef><type>text </type> <parameter>rastercolumn</parameter></paramdef> " 15083"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 15084"<paramdef><type>double precision </type> <parameter>searchvalue</parameter></" 15085"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 15086"<parameter>roundto=0</parameter></paramdef> </funcprototype>" 15087 15088#. Tag: para 15089#: reference_raster.xml:5797 15090#, no-c-format 15091msgid "" 15092"Returns a set of records with columns <varname>value</varname> " 15093"<varname>count</varname> which contain the pixel band value and count of " 15094"pixels in the raster tile or raster coverage of selected band." 15095msgstr "" 15096"ラスタタイルまたはラスタカバレッジの指定したバンドにおけるピクセルバンド値と" 15097"ピクセル数にあたる、<varname>value</varname>と<varname>count</varname>からな" 15098"るレコードの集合を返します。" 15099 15100#. Tag: para 15101#: reference_raster.xml:5798 15102#, no-c-format 15103msgid "" 15104"If no band is specified <varname>nband</varname> defaults to 1. If no " 15105"<varname>searchvalues</varname> are specified, will return all pixel values " 15106"found in the raster or raster coverage. If one searchvalue is given, will " 15107"return an integer instead of records denoting the count of pixels having " 15108"that pixel band value" 15109msgstr "" 15110"<varname>nband</varname>でバンドを指定しない場合には、1番と仮定します。" 15111"<varname>searchvalues</varname>が指定されていない場合には、ラスタまたはラスタ" 15112"カバレッジで発見した全てのピクセル値が返ります。searchvalueを一つ指定した場合" 15113"には、指定したピクセルバンド値を持つピクセルの数を示すレコードでなく、整数を" 15114"返します。" 15115 15116#. Tag: programlisting 15117#: reference_raster.xml:5806 15118#, no-c-format 15119msgid "" 15120"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,249) WHERE rid=2;\n" 15121"--Example will count only pixels of band 1 that are not 249. --\n" 15122"\n" 15123"SELECT (pvc).*\n" 15124"FROM (SELECT ST_ValueCount(rast) As pvc\n" 15125" FROM dummy_rast WHERE rid=2) As foo\n" 15126" ORDER BY (pvc).value;\n" 15127"\n" 15128" value | count\n" 15129"-------+-------\n" 15130" 250 | 2\n" 15131" 251 | 1\n" 15132" 252 | 2\n" 15133" 253 | 6\n" 15134" 254 | 12\n" 15135"\n" 15136"-- Example will coount all pixels of band 1 including 249 --\n" 15137"SELECT (pvc).*\n" 15138"FROM (SELECT ST_ValueCount(rast,1,false) As pvc\n" 15139" FROM dummy_rast WHERE rid=2) As foo\n" 15140" ORDER BY (pvc).value;\n" 15141"\n" 15142" value | count\n" 15143"-------+-------\n" 15144" 249 | 2\n" 15145" 250 | 2\n" 15146" 251 | 1\n" 15147" 252 | 2\n" 15148" 253 | 6\n" 15149" 254 | 12\n" 15150"\n" 15151"-- Example will count only non-nodata value pixels of band 2\n" 15152"SELECT (pvc).*\n" 15153"FROM (SELECT ST_ValueCount(rast,2) As pvc\n" 15154" FROM dummy_rast WHERE rid=2) As foo\n" 15155" ORDER BY (pvc).value;\n" 15156" value | count\n" 15157"-------+-------\n" 15158" 78 | 1\n" 15159" 79 | 1\n" 15160" 88 | 1\n" 15161" 89 | 1\n" 15162" 96 | 1\n" 15163" 97 | 1\n" 15164" 98 | 1\n" 15165" 99 | 2\n" 15166" 112 | 2\n" 15167":" 15168msgstr "" 15169"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,249) WHERE rid=2;\n" 15170"-- この例では、1番バンドの、値が249でないピクセルに限って数えます\n" 15171"\n" 15172"SELECT (pvc).*\n" 15173"FROM (SELECT ST_ValueCount(rast) As pvc\n" 15174" FROM dummy_rast WHERE rid=2) As foo\n" 15175" ORDER BY (pvc).value;\n" 15176"\n" 15177" value | count\n" 15178"-------+-------\n" 15179" 250 | 2\n" 15180" 251 | 1\n" 15181" 252 | 2\n" 15182" 253 | 6\n" 15183" 254 | 12\n" 15184"\n" 15185"-- この例では、1番バンドの、249を含む全てのピクセルを数えます\n" 15186"SELECT (pvc).*\n" 15187"FROM (SELECT ST_ValueCount(rast,1,false) As pvc\n" 15188" FROM dummy_rast WHERE rid=2) As foo\n" 15189" ORDER BY (pvc).value;\n" 15190"\n" 15191" value | count\n" 15192"-------+-------\n" 15193" 249 | 2\n" 15194" 250 | 2\n" 15195" 251 | 1\n" 15196" 252 | 2\n" 15197" 253 | 6\n" 15198" 254 | 12\n" 15199"\n" 15200"-- この例では、2番バンドの、NODATA値でない値を持つピクセルに限って数えます\n" 15201"SELECT (pvc).*\n" 15202"FROM (SELECT ST_ValueCount(rast,2) As pvc\n" 15203" FROM dummy_rast WHERE rid=2) As foo\n" 15204" ORDER BY (pvc).value;\n" 15205" value | count\n" 15206"-------+-------\n" 15207" 78 | 1\n" 15208" 79 | 1\n" 15209" 88 | 1\n" 15210" 89 | 1\n" 15211" 96 | 1\n" 15212" 97 | 1\n" 15213" 98 | 1\n" 15214" 99 | 2\n" 15215" 112 | 2\n" 15216":" 15217 15218#. Tag: programlisting 15219#: reference_raster.xml:5807 15220#, no-c-format 15221msgid "" 15222"--real live example. Count all the pixels in an aerial raster tile band 2 " 15223"intersecting a geometry\n" 15224"-- and return only the pixel band values that have a count > 500\n" 15225"SELECT (pvc).value, SUM((pvc).count) As total\n" 15226"FROM (SELECT ST_ValueCount(rast,2) As pvc\n" 15227" FROM o_4_boston\n" 15228" WHERE ST_Intersects(rast,\n" 15229" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 15230"892200,224706 892151,224486 892151))',26986)\n" 15231" )\n" 15232" ) As foo\n" 15233" GROUP BY (pvc).value\n" 15234" HAVING SUM((pvc).count) > 500\n" 15235" ORDER BY (pvc).value;\n" 15236"\n" 15237" value | total\n" 15238"-------+-----\n" 15239" 51 | 502\n" 15240" 54 | 521" 15241msgstr "" 15242"-- 現実の例です。空中写真ラスタタイルの2番バンドで、\n" 15243"-- ジオメトリとインタセクトするピクセル数を数え、\n" 15244"-- 500を超えるピクセル数があるピクセルバンド値のみ返します。\n" 15245"SELECT (pvc).value, SUM((pvc).count) As total\n" 15246"FROM (SELECT ST_ValueCount(rast,2) As pvc\n" 15247" FROM o_4_boston\n" 15248" WHERE ST_Intersects(rast,\n" 15249" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 15250"892200,224706 892151,224486 892151))',26986)\n" 15251" )\n" 15252" ) As foo\n" 15253" GROUP BY (pvc).value\n" 15254" HAVING SUM((pvc).count) > 500\n" 15255" ORDER BY (pvc).value;\n" 15256"\n" 15257" value | total\n" 15258"-------+-----\n" 15259" 51 | 502\n" 15260" 54 | 521" 15261 15262#. Tag: programlisting 15263#: reference_raster.xml:5809 15264#, no-c-format 15265msgid "" 15266"-- Just return count of pixels in each raster tile that have value of 100 of " 15267"tiles that intersect a specific geometry --\n" 15268"SELECT rid, ST_ValueCount(rast,2,100) As count\n" 15269" FROM o_4_boston\n" 15270" WHERE ST_Intersects(rast,\n" 15271" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 15272"892200,224706 892151,224486 892151))',26986)\n" 15273" ) ;\n" 15274"\n" 15275" rid | count\n" 15276"-----+-------\n" 15277" 1 | 56\n" 15278" 2 | 95\n" 15279" 14 | 37\n" 15280" 15 | 64" 15281msgstr "" 15282"-- 指定したジオメトリとインタセクトするタイルの\n" 15283"-- 値が100のピクセルをラスタタイルごとに数えて返します\n" 15284"SELECT rid, ST_ValueCount(rast,2,100) As count\n" 15285" FROM o_4_boston\n" 15286" WHERE ST_Intersects(rast,\n" 15287" ST_GeomFromText('POLYGON((224486 892151,224486 892200,224706 " 15288"892200,224706 892151,224486 892151))',26986)\n" 15289" ) ;\n" 15290"\n" 15291" rid | count\n" 15292"-----+-------\n" 15293" 1 | 56\n" 15294" 2 | 95\n" 15295" 14 | 37\n" 15296" 15 | 64" 15297 15298#. Tag: para 15299#: reference_raster.xml:5814 15300#, no-c-format 15301msgid ", <xref linkend=\"RT_ST_SetBandNoDataValue\"/>" 15302msgstr ", <xref linkend=\"RT_ST_SetBandNoDataValue\"/>" 15303 15304#. Tag: title 15305#: reference_raster.xml:5820 15306#, no-c-format 15307msgid "Raster Inputs" 15308msgstr "ラスタ入力" 15309 15310#. Tag: refname 15311#: reference_raster.xml:5823 15312#, no-c-format 15313msgid "ST_RastFromWKB" 15314msgstr "ST_RastFromWKB" 15315 15316#. Tag: refpurpose 15317#: reference_raster.xml:5824 15318#, no-c-format 15319msgid "Return a raster value from a Well-Known Binary (WKB) raster." 15320msgstr "Well-Known Binary (WKB)ラスタからラスタ値を返します。" 15321 15322#. Tag: funcprototype 15323#: reference_raster.xml:5829 15324#, no-c-format 15325msgid "" 15326"<funcdef>raster <function>ST_RastFromWKB</function></funcdef> " 15327"<paramdef><type>bytea </type> <parameter>wkb</parameter></paramdef>" 15328msgstr "" 15329"<funcdef>raster <function>ST_RastFromWKB</function></funcdef> " 15330"<paramdef><type>bytea </type> <parameter>wkb</parameter></paramdef>" 15331 15332#. Tag: para 15333#: reference_raster.xml:5839 15334#, no-c-format 15335msgid "Given a Well-Known Binary (WKB) raster, return a raster." 15336msgstr "Well-Known Binary (WKB)ラスタが与えられると、ラスタを返します。" 15337 15338#. Tag: programlisting 15339#: reference_raster.xml:5849 15340#, no-c-format 15341msgid "" 15342"SELECT (ST_Metadata(\n" 15343" ST_RastFromWKB(\n" 15344" '\\001\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000@" 15345"\\000\\000\\000\\000\\000\\000\\010@\\000\\000\\000\\000\\000\\000\\340?" 15346"\\000\\000\\000\\000\\000\\000\\340?" 15347"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\012\\000\\000\\000\\012\\000\\024\\000'::" 15348"bytea\n" 15349" )\n" 15350")).* AS metadata;\n" 15351"\n" 15352" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 15353"| srid | numbands\n" 15354"------------+------------+-------+--------+--------+--------+-------+-------" 15355"+------+----------\n" 15356" 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 " 15357"| 10 | 0" 15358msgstr "" 15359"SELECT (ST_Metadata(\n" 15360" ST_RastFromWKB(\n" 15361" '\\001\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000@" 15362"\\000\\000\\000\\000\\000\\000\\010@\\000\\000\\000\\000\\000\\000\\340?" 15363"\\000\\000\\000\\000\\000\\000\\340?" 15364"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\012\\000\\000\\000\\012\\000\\024\\000'::" 15365"bytea\n" 15366" )\n" 15367")).* AS metadata;\n" 15368"\n" 15369" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 15370"| srid | numbands\n" 15371"------------+------------+-------+--------+--------+--------+-------+-------" 15372"+------+----------\n" 15373" 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 " 15374"| 10 | 0" 15375 15376#. Tag: para 15377#: reference_raster.xml:5855 15378#, no-c-format 15379msgid "" 15380", <xref linkend=\"RT_ST_RastFromHexWKB\"/>, <xref linkend=\"RT_ST_AsBinary\"/" 15381">, <xref linkend=\"RT_ST_AsHexWKB\"/>" 15382msgstr "" 15383", <xref linkend=\"RT_ST_RastFromHexWKB\"/>, <xref linkend=\"RT_ST_AsBinary\"/" 15384">, <xref linkend=\"RT_ST_AsHexWKB\"/>" 15385 15386#. Tag: refname 15387#: reference_raster.xml:5866 15388#, no-c-format 15389msgid "ST_RastFromHexWKB" 15390msgstr "ST_RastFromHexWKB" 15391 15392#. Tag: refpurpose 15393#: reference_raster.xml:5867 15394#, no-c-format 15395msgid "" 15396"Return a raster value from a Hex representation of Well-Known Binary (WKB) " 15397"raster." 15398msgstr "Well-Knownバイナリ (WKB)ラスタの16進数表現からラスタを返します。" 15399 15400#. Tag: funcprototype 15401#: reference_raster.xml:5872 15402#, no-c-format 15403msgid "" 15404"<funcdef>raster <function>ST_RastFromHexWKB</function></funcdef> " 15405"<paramdef><type>text </type> <parameter>wkb</parameter></paramdef>" 15406msgstr "" 15407"<funcdef>raster <function>ST_RastFromHexWKB</function></funcdef> " 15408"<paramdef><type>text </type> <parameter>wkb</parameter></paramdef>" 15409 15410#. Tag: para 15411#: reference_raster.xml:5882 15412#, no-c-format 15413msgid "" 15414"Given a Well-Known Binary (WKB) raster in Hex representation, return a " 15415"raster." 15416msgstr "" 15417"Well-Known Binary (WKB)ラスタが16進数表現で与えられると、ラスタを返します。" 15418 15419#. Tag: programlisting 15420#: reference_raster.xml:5892 15421#, no-c-format 15422msgid "" 15423"SELECT (ST_Metadata(\n" 15424" ST_RastFromHexWKB(\n" 15425" '010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400'\n" 15426" )\n" 15427")).* AS metadata;\n" 15428"\n" 15429" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 15430"| srid | numbands\n" 15431"------------+------------+-------+--------+--------+--------+-------+-------" 15432"+------+----------\n" 15433" 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 " 15434"| 10 | 0" 15435msgstr "" 15436"SELECT (ST_Metadata(\n" 15437" ST_RastFromHexWKB(\n" 15438" '010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400'\n" 15439" )\n" 15440")).* AS metadata;\n" 15441"\n" 15442" upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy " 15443"| srid | numbands\n" 15444"------------+------------+-------+--------+--------+--------+-------+-------" 15445"+------+----------\n" 15446" 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 " 15447"| 10 | 0" 15448 15449#. Tag: para 15450#: reference_raster.xml:5898 15451#, no-c-format 15452msgid "" 15453", <xref linkend=\"RT_ST_RastFromWKB\"/>, <xref linkend=\"RT_ST_AsBinary\"/>, " 15454"<xref linkend=\"RT_ST_AsHexWKB\"/>" 15455msgstr "" 15456", <xref linkend=\"RT_ST_RastFromWKB\"/>, <xref linkend=\"RT_ST_AsBinary\"/>, " 15457"<xref linkend=\"RT_ST_AsHexWKB\"/>" 15458 15459#. Tag: title 15460#: reference_raster.xml:5910 15461#, no-c-format 15462msgid "Raster Outputs" 15463msgstr "出力" 15464 15465#. Tag: refname 15466#: reference_raster.xml:5914 15467#, no-c-format 15468msgid "ST_AsBinary/ST_AsWKB" 15469msgstr "ST_AsBinary/ST_AsWKB" 15470 15471#. Tag: refpurpose 15472#: reference_raster.xml:5915 15473#, no-c-format 15474msgid "Return the Well-Known Binary (WKB) representation of the raster." 15475msgstr "ラスタのWell-Known Binary (WKB)表現を返します。" 15476 15477#. Tag: funcsynopsis 15478#: reference_raster.xml:5919 15479#, no-c-format 15480msgid "" 15481"<funcprototype> <funcdef>bytea <function>ST_AsBinary</function></funcdef> " 15482"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15483"<paramdef choice=\"opt\"><type>boolean </type> <parameter>outasin=FALSE</" 15484"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15485"<function>ST_AsWKB</function></funcdef> <paramdef><type>raster </type> " 15486"<parameter>rast</parameter></paramdef> <paramdef choice=\"opt" 15487"\"><type>boolean </type> <parameter>outasin=FALSE</parameter></paramdef> </" 15488"funcprototype>" 15489msgstr "" 15490"<funcprototype> <funcdef>bytea <function>ST_AsBinary</function></funcdef> " 15491"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15492"<paramdef choice=\"opt\"><type>boolean </type> <parameter>outasin=FALSE</" 15493"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15494"<function>ST_AsWKB</function></funcdef> <paramdef><type>raster </type> " 15495"<parameter>rast</parameter></paramdef> <paramdef choice=\"opt" 15496"\"><type>boolean </type> <parameter>outasin=FALSE</parameter></paramdef> </" 15497"funcprototype>" 15498 15499#. Tag: para 15500#: reference_raster.xml:5936 15501#, no-c-format 15502msgid "" 15503"Returns the Binary representation of the raster. If <varname>outasin</" 15504"varname> is TRUE, out-db bands are treated as in-db. Refer to raster/doc/" 15505"RFC2-WellKnownBinaryFormat located in the PostGIS source folder for details " 15506"of the representation." 15507msgstr "" 15508"ラスタのバイナリ表現を返します。<varname>outasin</varname>がTRUEの場合には、" 15509"データベース外のバンドがデータベース内のバンドとして扱われます。表現の詳細に" 15510"ついては、PostGISソースフォルダにあるraster/doc/RFC2-WellKnownBinaryFormatを" 15511"ご覧下さい。" 15512 15513#. Tag: para 15514#: reference_raster.xml:5941 15515#, no-c-format 15516msgid "" 15517"This is useful in binary cursors to pull data out of the database without " 15518"converting it to a string representation." 15519msgstr "" 15520"データを文字列表現に変換せずにデータベース外に引き出すためのバイナリカーソル" 15521"に使えます。" 15522 15523#. Tag: para 15524#: reference_raster.xml:5946 15525#, no-c-format 15526msgid "" 15527"By default, WKB output contains the external file path for out-db bands. If " 15528"the client does not have access to the raster file underlying an out-db " 15529"band, set <varname>outasin</varname> to TRUE." 15530msgstr "" 15531"デフォルトでは、WKB出力には、データベース外のバンドの外部ファイルパスを含みま" 15532"す。クライアントがデータベース外にあるラスタファイルにアクセスできない場合に" 15533"は、<varname>outasin</varname>をTRUEに設定します。" 15534 15535#. Tag: para 15536#: reference_raster.xml:5950 15537#, no-c-format 15538msgid "Enhanced: 2.1.0 Addition of <varname>outasin</varname>" 15539msgstr "Enhanced: 2.1.0 <varname>outasin</varname>の追加" 15540 15541#. Tag: para 15542#: reference_raster.xml:5951 15543#, no-c-format 15544msgid "Enhanced: 2.5.0 Addition of <varname>ST_AsWKB</varname>" 15545msgstr "Enhanced: 2.5.0 <varname>ST_AsWKB</varname>の追加" 15546 15547#. Tag: programlisting 15548#: reference_raster.xml:5957 15549#, no-c-format 15550msgid "" 15551"SELECT ST_AsBinary(rast) As rastbin FROM dummy_rast WHERE rid=1;\n" 15552"\n" 15553" rastbin\n" 15554"---------------------------------------------------------------------------------\n" 15555"\\001\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000@" 15556"\\000\\000\\000\\000\\000\\000\\010@\\000\\000\\000\\000\\000\\000\\340?" 15557"\\000\\000\\000\\000\\000\\000\\340?" 15558"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\012\\000\\000\\000\\012\\000\\024\\000" 15559msgstr "" 15560"SELECT ST_AsBinary(rast) As rastbin FROM dummy_rast WHERE rid=1;\n" 15561"\n" 15562" rastbin\n" 15563"---------------------------------------------------------------------------------\n" 15564"\\001\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000@" 15565"\\000\\000\\000\\000\\000\\000\\010@\\000\\000\\000\\000\\000\\000\\340?" 15566"\\000\\000\\000\\000\\000\\000\\340?" 15567"\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\000\\012\\000\\000\\000\\012\\000\\024\\000" 15568 15569#. Tag: para 15570#: reference_raster.xml:5963 15571#, no-c-format 15572msgid ", <xref linkend=\"RT_ST_AsHexWKB\"/>" 15573msgstr ", <xref linkend=\"RT_ST_AsHexWKB\"/>" 15574 15575#. Tag: refname 15576#: reference_raster.xml:5972 15577#, no-c-format 15578msgid "ST_AsHexWKB" 15579msgstr "ST_AsHexWKB" 15580 15581#. Tag: refpurpose 15582#: reference_raster.xml:5973 15583#, no-c-format 15584msgid "Return the Well-Known Binary (WKB) in Hex representation of the raster." 15585msgstr "Well-Known Binary (WKB)ラスタを16進数表現で返します。" 15586 15587#. Tag: funcprototype 15588#: reference_raster.xml:5978 15589#, no-c-format 15590msgid "" 15591"<funcdef>bytea <function>ST_AsHexWKB</function></funcdef> " 15592"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15593"<paramdef choice=\"opt\"><type>boolean </type> <parameter>outasin=FALSE</" 15594"parameter></paramdef>" 15595msgstr "" 15596"<funcdef>bytea <function>ST_AsHexWKB</function></funcdef> " 15597"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15598"<paramdef choice=\"opt\"><type>boolean </type> <parameter>outasin=FALSE</" 15599"parameter></paramdef>" 15600 15601#. Tag: para 15602#: reference_raster.xml:5989 15603#, no-c-format 15604msgid "" 15605"Returns the Binary representation in Hex representation of the raster. If " 15606"<varname>outasin</varname> is TRUE, out-db bands are treated as in-db. Refer " 15607"to raster/doc/RFC2-WellKnownBinaryFormat located in the PostGIS source " 15608"folder for details of the representation." 15609msgstr "" 15610"ラスタのバイナリの16進数表現を返します。<varname>outasin</varname>がTRUEの場" 15611"合には、データベース外のバンドがデータベース内のバンドとして扱われます。表現" 15612"の詳細については、PostGISソースフォルダにあるraster/doc/RFC2-" 15613"WellKnownBinaryFormatをご覧下さい。" 15614 15615#. Tag: para 15616#: reference_raster.xml:5995 15617#, no-c-format 15618msgid "" 15619"By default, Hex WKB output contains the external file path for out-db bands. " 15620"If the client does not have access to the raster file underlying an out-db " 15621"band, set <varname>outasin</varname> to TRUE." 15622msgstr "" 15623"デフォルトでは、WKB出力には、データベース外のバンドの外部ファイルパスを含みま" 15624"す。クライアントがデータベース外バンドを持っているラスタファイルにアクセスで" 15625"きない場合には、<varname>outasin</varname>をTRUEに設定します。" 15626 15627#. Tag: programlisting 15628#: reference_raster.xml:6005 15629#, no-c-format 15630msgid "" 15631"SELECT ST_AsHexWKB(rast) As rastbin FROM dummy_rast WHERE rid=1;\n" 15632"\n" 15633" st_ashexwkb\n" 15634"----------------------------------------------------------------------------------------------------------------------------\n" 15635" 010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400" 15636msgstr "" 15637"SELECT ST_AsHexWKB(rast) As rastbin FROM dummy_rast WHERE rid=1;\n" 15638"\n" 15639" st_ashexwkb\n" 15640"----------------------------------------------------------------------------------------------------------------------------\n" 15641" 010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400" 15642 15643#. Tag: para 15644#: reference_raster.xml:6011 15645#, no-c-format 15646msgid ", <xref linkend=\"RT_ST_AsBinary\"/>" 15647msgstr ", <xref linkend=\"RT_ST_AsBinary\"/>" 15648 15649#. Tag: refname 15650#: reference_raster.xml:6021 15651#, no-c-format 15652msgid "ST_AsGDALRaster" 15653msgstr "ST_AsGDALRaster" 15654 15655#. Tag: refpurpose 15656#: reference_raster.xml:6022 15657#, no-c-format 15658msgid "" 15659"Return the raster tile in the designated GDAL Raster format. Raster formats " 15660"are one of those supported by your compiled library. Use ST_GDALDrivers() to " 15661"get a list of formats supported by your library." 15662msgstr "" 15663"指定されたGDALラスタ書式でラスタタイルを返します。ラスタ書式はコンパイルした" 15664"ライブラリが対応するものです。ライブラリが対応する書式の一覧を得るには" 15665"ST_GDALRasters()を使います。" 15666 15667#. Tag: funcprototype 15668#: reference_raster.xml:6027 15669#, no-c-format 15670msgid "" 15671"<funcdef>bytea <function>ST_AsGDALRaster</function></funcdef> " 15672"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15673"<paramdef><type>text </type> <parameter>format</parameter></paramdef> " 15674"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15675"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 15676"<parameter>srid=sameassource</parameter></paramdef>" 15677msgstr "" 15678"<funcdef>bytea <function>ST_AsGDALRaster</function></funcdef> " 15679"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15680"<paramdef><type>text </type> <parameter>format</parameter></paramdef> " 15681"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15682"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 15683"<parameter>srid=sameassource</parameter></paramdef>" 15684 15685#. Tag: para 15686#: reference_raster.xml:6041 15687#, no-c-format 15688msgid "" 15689"Returns the raster tile in the designated format. Arguments are itemized " 15690"below:" 15691msgstr "指定された書式でラスタタイルを返します。引数は次の通りです。" 15692 15693#. Tag: para 15694#: reference_raster.xml:6044 15695#, no-c-format 15696msgid "" 15697"<varname>format</varname> format to output. This is dependent on the drivers " 15698"compiled in your libgdal library. Generally available are 'JPEG', 'GTIff', " 15699"'PNG'. Use <xref linkend=\"RT_ST_GDALDrivers\"/> to get a list of formats " 15700"supported by your library." 15701msgstr "" 15702"<varname>format</varname> 出力書式です。libgdalライブラリでコンパイルしたドラ" 15703"イバに依存します。一般的には'JPEG', 'GTIff', 'PNG'が有効になっています。ライ" 15704"ブラリが対応する形式の一覧を得るには<xref linkend=\"RT_ST_GDALDrivers\"/>を使" 15705"います。" 15706 15707#. Tag: para 15708#: reference_raster.xml:6049 15709#, no-c-format 15710msgid "" 15711"<varname>options</varname> text array of GDAL options. Valid options are " 15712"dependent on the format. Refer to <ulink url=\"http://www.gdal.org/" 15713"frmt_various.html\">GDAL Raster format options</ulink> for more details." 15714msgstr "" 15715"<varname>options</varname> GDALオプションの文字列配列です。妥当なオプションは" 15716"書式に依存します。詳細については<ulink url=\"http://www.gdal.org/" 15717"frmt_various.html\">GDAL Raster format options</ulink>をご覧下さい。" 15718 15719#. Tag: para 15720#: reference_raster.xml:6054 15721#, no-c-format 15722msgid "" 15723"<varname>srs</varname> The proj4text or srtext (from spatial_ref_sys) to " 15724"embed in the image" 15725msgstr "" 15726"<varname>srs</varname> 画像に埋め込むproj4textまたはsrtext (spatial_ref_sysか" 15727"ら)です。" 15728 15729#. Tag: title 15730#: reference_raster.xml:6064 15731#, no-c-format 15732msgid "JPEG Output Example, multiple tiles as single raster" 15733msgstr "複数タイルを単一ラスタとするJPEG出力例" 15734 15735#. Tag: programlisting 15736#: reference_raster.xml:6066 15737#, no-c-format 15738msgid "" 15739"<![CDATA[SELECT ST_AsGDALRaster(ST_Union(rast), 'JPEG', ARRAY['QUALITY=50']) " 15740"As rastjpg\n" 15741"FROM dummy_rast\n" 15742"WHERE rast && ST_MakeEnvelope(10, 10, 11, 11);]]>" 15743msgstr "" 15744"<![CDATA[SELECT ST_AsGDALRaster(ST_Union(rast), 'JPEG', ARRAY['QUALITY=50']) " 15745"As rastjpg\n" 15746"FROM dummy_rast\n" 15747"WHERE rast && ST_MakeEnvelope(10, 10, 11, 11);]]>" 15748 15749#. Tag: title 15750#: reference_raster.xml:6071 15751#, no-c-format 15752msgid "Using PostgreSQL Large Object Support to export raster" 15753msgstr "PostgreSQLラージオブジェクト対応を使ったラスタの出力" 15754 15755#. Tag: para 15756#: reference_raster.xml:6072 15757#, no-c-format 15758msgid "" 15759"One way to export raster into another format is using <ulink url=\"https://" 15760"www.postgresql.org/docs/current/static/lo-funcs.html\">PostgreSQL large " 15761"object export functions</ulink>. We'lll repeat the prior example but also " 15762"exporting. Note for this you'll need to have super user access to db since " 15763"it uses server side lo functions. It will also export to path on server " 15764"network. If you need export locally, use the psql equivalent lo_ functions " 15765"which export to the local file system instead of the server file system." 15766msgstr "" 15767"ラスタを他の書式に出力する方法の一つとして、<ulink url=\"https://www." 15768"postgresql.org/docs/current/static/lo-funcs.html\">PostgreSQL large object " 15769"export functions</ulink>の使用があります。前の例の繰り返しですが、出力も行い" 15770"ます。サーバ側のlo関数を使うため、データベースへのスーパーユーザ権限が必要と" 15771"なることに注意して下さい。また、サーバネットワーク上のパスに出力します。ロー" 15772"カルに出力するには、psqlで、サーバのファイルシステムでなくローカルのファイル" 15773"システムに出力する等価のlo_関数を使います。" 15774 15775#. Tag: programlisting 15776#: reference_raster.xml:6076 15777#, no-c-format 15778msgid "" 15779"<![CDATA[DROP TABLE IF EXISTS tmp_out ;\n" 15780"\n" 15781"CREATE TABLE tmp_out AS\n" 15782"SELECT lo_from_bytea(0,\n" 15783" ST_AsGDALRaster(ST_Union(rast), 'JPEG', ARRAY['QUALITY=50'])\n" 15784" ) AS loid\n" 15785" FROM dummy_rast\n" 15786"WHERE rast && ST_MakeEnvelope(10, 10, 11, 11);\n" 15787"\n" 15788"SELECT lo_export(loid, '/tmp/dummy.jpg')\n" 15789" FROM tmp_out;\n" 15790"\n" 15791"SELECT lo_unlink(loid)\n" 15792" FROM tmp_out;]]>" 15793msgstr "" 15794"<![CDATA[DROP TABLE IF EXISTS tmp_out ;\n" 15795"\n" 15796"CREATE TABLE tmp_out AS\n" 15797"SELECT lo_from_bytea(0,\n" 15798" ST_AsGDALRaster(ST_Union(rast), 'JPEG', ARRAY['QUALITY=50'])\n" 15799" ) AS loid\n" 15800" FROM dummy_rast\n" 15801"WHERE rast && ST_MakeEnvelope(10, 10, 11, 11);\n" 15802"\n" 15803"SELECT lo_export(loid, '/tmp/dummy.jpg')\n" 15804" FROM tmp_out;\n" 15805"\n" 15806"SELECT lo_unlink(loid)\n" 15807" FROM tmp_out;]]>" 15808 15809#. Tag: title 15810#: reference_raster.xml:6080 15811#, no-c-format 15812msgid "GTIFF Output Examples" 15813msgstr "GTIFF出力の例" 15814 15815#. Tag: programlisting 15816#: reference_raster.xml:6082 15817#, no-c-format 15818msgid "" 15819"SELECT ST_AsGDALRaster(rast, 'GTiff') As rastjpg\n" 15820"FROM dummy_rast WHERE rid=2;\n" 15821"\n" 15822"-- Out GeoTiff with jpeg compression, 90% quality\n" 15823"SELECT ST_AsGDALRaster(rast, 'GTiff',\n" 15824" ARRAY['COMPRESS=JPEG', 'JPEG_QUALITY=90'],\n" 15825" 4269) As rasttiff\n" 15826"FROM dummy_rast WHERE rid=2;" 15827msgstr "" 15828"SELECT ST_AsGDALRaster(rast, 'GTiff') As rastjpg\n" 15829"FROM dummy_rast WHERE rid=2;\n" 15830"\n" 15831"-- GeoTIFFをJPEG、90%品質で圧縮して出力します\n" 15832"SELECT ST_AsGDALRaster(rast, 'GTiff',\n" 15833" ARRAY['COMPRESS=JPEG', 'JPEG_QUALITY=90'],\n" 15834" 4269) As rasttiff\n" 15835"FROM dummy_rast WHERE rid=2;" 15836 15837#. Tag: para 15838#: reference_raster.xml:6089 15839#, no-c-format 15840msgid ", <xref linkend=\"RT_ST_GDALDrivers\"/>, <xref linkend=\"RT_ST_SRID\"/>" 15841msgstr "" 15842", <xref linkend=\"RT_ST_GDALDrivers\"/>, <xref linkend=\"RT_ST_SRID\"/>" 15843 15844#. Tag: refname 15845#: reference_raster.xml:6095 15846#, no-c-format 15847msgid "ST_AsJPEG" 15848msgstr "ST_AsJPEG" 15849 15850#. Tag: refpurpose 15851#: reference_raster.xml:6096 15852#, no-c-format 15853msgid "" 15854"Return the raster tile selected bands as a single Joint Photographic Exports " 15855"Group (JPEG) image (byte array). If no band is specified and 1 or more than " 15856"3 bands, then only the first band is used. If only 3 bands then all 3 bands " 15857"are used and mapped to RGB." 15858msgstr "" 15859"ラスタの選択されたバンドを、単一のJoint Photographic Exports Group (JPEG)画像" 15860"としてバイト配列で返します。バンドを指定せず、1バンドか3より多いバンドがある" 15861"場合には、1番バンドを使用します。3バンドのみ指定した場合には、3バンドを使用" 15862"し、RGBに対応付けます。" 15863 15864#. Tag: funcsynopsis 15865#: reference_raster.xml:6100 15866#, no-c-format 15867msgid "" 15868"<funcprototype> <funcdef>bytea <function>ST_AsJPEG</function></funcdef> " 15869"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15870"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15871"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15872"<function>ST_AsJPEG</function></funcdef> <paramdef><type>raster </type> " 15873"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 15874"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 15875"<parameter>quality</parameter></paramdef> </funcprototype> <funcprototype> " 15876"<funcdef>bytea <function>ST_AsJPEG</function></funcdef> " 15877"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15878"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 15879"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15880"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15881"<function>ST_AsJPEG</function></funcdef> <paramdef><type>raster </type> " 15882"<parameter>rast</parameter></paramdef> <paramdef><type>integer[] </type> " 15883"<parameter>nbands</parameter></paramdef> <paramdef choice=\"opt" 15884"\"><type>text[] </type> <parameter>options=NULL</parameter></paramdef> </" 15885"funcprototype> <funcprototype> <funcdef>bytea <function>ST_AsJPEG</" 15886"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 15887"parameter></paramdef> <paramdef><type>integer[] </type> <parameter>nbands</" 15888"parameter></paramdef> <paramdef><type>integer </type> <parameter>quality</" 15889"parameter></paramdef> </funcprototype>" 15890msgstr "" 15891"<funcprototype> <funcdef>bytea <function>ST_AsJPEG</function></funcdef> " 15892"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15893"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15894"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15895"<function>ST_AsJPEG</function></funcdef> <paramdef><type>raster </type> " 15896"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 15897"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 15898"<parameter>quality</parameter></paramdef> </funcprototype> <funcprototype> " 15899"<funcdef>bytea <function>ST_AsJPEG</function></funcdef> " 15900"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 15901"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 15902"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 15903"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 15904"<function>ST_AsJPEG</function></funcdef> <paramdef><type>raster </type> " 15905"<parameter>rast</parameter></paramdef> <paramdef><type>integer[] </type> " 15906"<parameter>nbands</parameter></paramdef> <paramdef choice=\"opt" 15907"\"><type>text[] </type> <parameter>options=NULL</parameter></paramdef> </" 15908"funcprototype> <funcprototype> <funcdef>bytea <function>ST_AsJPEG</" 15909"function></funcdef> <paramdef><type>raster </type> <parameter>rast</" 15910"parameter></paramdef> <paramdef><type>integer[] </type> <parameter>nbands</" 15911"parameter></paramdef> <paramdef><type>integer </type> <parameter>quality</" 15912"parameter></paramdef> </funcprototype>" 15913 15914#. Tag: para 15915#: reference_raster.xml:6136 15916#, no-c-format 15917msgid "" 15918"Returns the selected bands of the raster as a single Joint Photographic " 15919"Exports Group Image (JPEG). Use <xref linkend=\"RT_ST_AsGDALRaster\"/> if " 15920"you need to export as less common raster types. If no band is specified and " 15921"1 or more than 3 bands, then only the first band is used. If 3 bands then " 15922"all 3 bands are used. There are many variants of the function with many " 15923"options. These are itemized below:" 15924msgstr "" 15925"ラスタの選択されたバンドを、単一のJoint Photographic Exports Group (JPEG)画像" 15926"として返します。 より一般でないラスタタイプで出力する必要がある場合には、" 15927"<xref linkend=\"RT_ST_AsGDALRaster\"/>を使います。バンドを指定せず、1バンドか" 15928"3より多いバンドがある場合には、1番バンドを使用します。3バンドのみ指定した場合" 15929"には、3バンドを使用します。この関数には多数の任意引数が付くさまざまな形式があ" 15930"ります。引数については次の通りです。" 15931 15932#. Tag: para 15933#: reference_raster.xml:6139 reference_raster.xml:6230 15934#, no-c-format 15935msgid "<varname>nband</varname> is for single band exports." 15936msgstr "<varname>nband</varname> 単一バンド出力のためのものです。" 15937 15938#. Tag: para 15939#: reference_raster.xml:6144 15940#, no-c-format 15941msgid "" 15942"<varname>nbands</varname> is an array of bands to export (note that max is 3 " 15943"for JPEG) and the order of the bands is RGB. e.g ARRAY[3,2,1] means map band " 15944"3 to Red, band 2 to green and band 1 to blue" 15945msgstr "" 15946"<varname>nbands</varname> 出力バンドの配列 (JPEGでは3要素が最大です)で、バン" 15947"ドの並び順はRGBです。たとえばARRAY[3,2,1]は、3番バンドを赤、2番バンドを緑、1" 15948"番バンドを青にそれぞれ対応させます。" 15949 15950#. Tag: para 15951#: reference_raster.xml:6149 15952#, no-c-format 15953msgid "" 15954"<varname>quality</varname> number from 0 to 100. The higher the number the " 15955"crisper the image." 15956msgstr "" 15957"<varname>quality</varname> 0から100の数値です。高いほどしっかりした画像になり" 15958"ます。" 15959 15960#. Tag: para 15961#: reference_raster.xml:6154 15962#, no-c-format 15963msgid "" 15964"<varname>options</varname> text Array of GDAL options as defined for JPEG " 15965"(look at create_options for JPEG <xref linkend=\"RT_ST_GDALDrivers\"/>). For " 15966"JPEG valid ones are <varname>PROGRESSIVE</varname> ON or OFF and " 15967"<varname>QUALITY</varname> a range from 0 to 100 and default to 75. Refer to " 15968"<ulink url=\"http://www.gdal.org/frmt_various.html\">GDAL Raster format " 15969"options</ulink> for more details." 15970msgstr "" 15971"<varname>options</varname> JPEGのために定義するGDALオプションの文字列配列で" 15972"す (<xref linkend=\"RT_ST_GDALDrivers\"/>のcreate_optionsを見てください)。" 15973"JPEGの妥当なパラメタは <varname>PROGRESSIVE</varname>の'ON'または'OFF'と、" 15974"<varname>QUALITY</varname>の0から100までの数 (デフォルトは75)です。詳細につい" 15975"ては <ulink url=\"http://www.gdal.org/frmt_various.html\">GDAL Raster format " 15976"options</ulink>をご覧下さい。" 15977 15978#. Tag: title 15979#: reference_raster.xml:6171 15980#, no-c-format 15981msgid "Examples: Output" 15982msgstr "例: 出力" 15983 15984#. Tag: programlisting 15985#: reference_raster.xml:6173 15986#, no-c-format 15987msgid "" 15988"-- output first 3 bands 75% quality\n" 15989"SELECT ST_AsJPEG(rast) As rastjpg\n" 15990" FROM dummy_rast WHERE rid=2;\n" 15991"\n" 15992"-- output only first band as 90% quality\n" 15993"SELECT ST_AsJPEG(rast,1,90) As rastjpg\n" 15994" FROM dummy_rast WHERE rid=2;\n" 15995"\n" 15996"-- output first 3 bands (but make band 2 Red, band 1 green, and band 3 blue, " 15997"progressive and 90% quality\n" 15998"SELECT ST_AsJPEG(rast,ARRAY[2,1,3],ARRAY['QUALITY=90','PROGRESSIVE=ON']) As " 15999"rastjpg\n" 16000" FROM dummy_rast WHERE rid=2;" 16001msgstr "" 16002"-- 前から3バンドを75%品質で出力\n" 16003"SELECT ST_AsJPEG(rast) As rastjpg\n" 16004" FROM dummy_rast WHERE rid=2;\n" 16005"\n" 16006"-- 1番バンドのみ90%品質で出力\n" 16007"SELECT ST_AsJPEG(rast,1,90) As rastjpg\n" 16008" FROM dummy_rast WHERE rid=2;\n" 16009"\n" 16010"-- 前から3バンドを、2番を赤、1番を緑、3番を青とし、プログレッシブ、90%品質で" 16011"出力します\n" 16012"SELECT ST_AsJPEG(rast,ARRAY[2,1,3],ARRAY['QUALITY=90','PROGRESSIVE=ON']) As " 16013"rastjpg\n" 16014" FROM dummy_rast WHERE rid=2;" 16015 16016#. Tag: para 16017#: reference_raster.xml:6180 16018#, no-c-format 16019msgid "" 16020", <xref linkend=\"RT_ST_GDALDrivers\"/>, <xref linkend=\"RT_ST_AsGDALRaster" 16021"\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, <xref linkend=\"RT_ST_AsTIFF\"/>" 16022msgstr "" 16023", <xref linkend=\"RT_ST_GDALDrivers\"/>, <xref linkend=\"RT_ST_AsGDALRaster" 16024"\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, <xref linkend=\"RT_ST_AsTIFF\"/>" 16025 16026#. Tag: refname 16027#: reference_raster.xml:6186 16028#, no-c-format 16029msgid "ST_AsPNG" 16030msgstr "ST_AsPNG" 16031 16032#. Tag: refpurpose 16033#: reference_raster.xml:6187 16034#, no-c-format 16035msgid "" 16036"Return the raster tile selected bands as a single portable network graphics " 16037"(PNG) image (byte array). If 1, 3, or 4 bands in raster and no bands are " 16038"specified, then all bands are used. If more 2 or more than 4 bands and no " 16039"bands specified, then only band 1 is used. Bands are mapped to RGB or RGBA " 16040"space." 16041msgstr "" 16042"ラスタの選択されたバンドを、単一のportable network graphics (PNG)画像としてバ" 16043"イト配列で返します。バンドを指定せず、1バンドか3バンドか4バンドある場合には、" 16044"全てのバンドを使用します。バンドを指定せず、2バンドか4より多いバンドがある場" 16045"合には、1番バンドを使用します。対象バンドはRGBまたはRGBAに対応付けられます。" 16046 16047#. Tag: funcsynopsis 16048#: reference_raster.xml:6191 16049#, no-c-format 16050msgid "" 16051"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16052"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16053"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16054"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 16055"<function>ST_AsPNG</function></funcdef> <paramdef><type>raster </type> " 16056"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 16057"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 16058"<parameter>compression</parameter></paramdef> </funcprototype> " 16059"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16060"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16061"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 16062"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16063"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 16064"<function>ST_AsPNG</function></funcdef> <paramdef><type>raster </type> " 16065"<parameter>rast</parameter></paramdef> <paramdef><type>integer[] </type> " 16066"<parameter>nbands</parameter></paramdef> <paramdef><type>integer </type> " 16067"<parameter>compression</parameter></paramdef> </funcprototype> " 16068"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16069"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16070"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16071"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16072"parameter></paramdef> </funcprototype>" 16073msgstr "" 16074"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16075"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16076"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16077"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 16078"<function>ST_AsPNG</function></funcdef> <paramdef><type>raster </type> " 16079"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 16080"<parameter>nband</parameter></paramdef> <paramdef><type>integer </type> " 16081"<parameter>compression</parameter></paramdef> </funcprototype> " 16082"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16083"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16084"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 16085"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16086"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>bytea " 16087"<function>ST_AsPNG</function></funcdef> <paramdef><type>raster </type> " 16088"<parameter>rast</parameter></paramdef> <paramdef><type>integer[] </type> " 16089"<parameter>nbands</parameter></paramdef> <paramdef><type>integer </type> " 16090"<parameter>compression</parameter></paramdef> </funcprototype> " 16091"<funcprototype> <funcdef>bytea <function>ST_AsPNG</function></funcdef> " 16092"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16093"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16094"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=NULL</" 16095"parameter></paramdef> </funcprototype>" 16096 16097#. Tag: para 16098#: reference_raster.xml:6227 16099#, no-c-format 16100msgid "" 16101"Returns the selected bands of the raster as a single Portable Network " 16102"Graphics Image (PNG). Use <xref linkend=\"RT_ST_AsGDALRaster\"/> if you need " 16103"to export as less common raster types. If no band is specified, then the " 16104"first 3 bands are exported. There are many variants of the function with " 16105"many options. If no <varname>srid</varname> is specified then then srid of " 16106"the raster is used. These are itemized below:" 16107msgstr "" 16108"ラスタの選択されたバンドを、単一のportable network graphics (PNG)画像として返" 16109"します。より一般でないラスタタイプで出力する必要がある場合には、<xref " 16110"linkend=\"RT_ST_AsGDALRaster\"/>を使います。バンドを指定しない場合には、前か" 16111"ら3バンドを出力します。この関数には多数の任意引数が付くさまざまな形式がありま" 16112"す。<varname>srid</varname>が指定されない場合には、sridはラスタが使用している" 16113"SRIDを指定します。引数の一覧は次の通りです。" 16114 16115#. Tag: para 16116#: reference_raster.xml:6235 16117#, no-c-format 16118msgid "" 16119"<varname>nbands</varname> is an array of bands to export (note that max is 4 " 16120"for PNG) and the order of the bands is RGBA. e.g ARRAY[3,2,1] means map band " 16121"3 to Red, band 2 to green and band 1 to blue" 16122msgstr "" 16123"<varname>nbands</varname> 出力バンドの配列 (PNGでは4要素が最大です)で、バンド" 16124"の並び順はRGBAです。たとえばARRAY[3,2,1]は、3番バンドを赤、2番バンドを緑、1番" 16125"バンドを青にそれぞれ対応させます。" 16126 16127#. Tag: para 16128#: reference_raster.xml:6240 16129#, no-c-format 16130msgid "" 16131"<varname>compression</varname> number from 1 to 9. The higher the number the " 16132"greater the compression." 16133msgstr "" 16134"<varname>compression</varname> 1から9の数を指定します。大きいほど圧縮効率が上" 16135"がります。" 16136 16137#. Tag: para 16138#: reference_raster.xml:6245 16139#, no-c-format 16140msgid "" 16141"<varname>options</varname> text Array of GDAL options as defined for PNG " 16142"(look at create_options for PNG of <xref linkend=\"RT_ST_GDALDrivers\"/>). " 16143"For PNG valid one is only ZLEVEL (amount of time to spend on compression -- " 16144"default 6) e.g. ARRAY['ZLEVEL=9']. WORLDFILE is not allowed since the " 16145"function would have to output two outputs. Refer to <ulink url=\"http://www." 16146"gdal.org/frmt_various.html\">GDAL Raster format options</ulink> for more " 16147"details." 16148msgstr "" 16149"<varname>options</varname> PNGのために定義するGDALオプションの文字列配列です " 16150"(<xref linkend=\"RT_ST_GDALDrivers\"/>のcreate_optionsを見てください)。PNGの" 16151"妥当なパラメタはZLEVEL (圧縮に費やす時間の合計で、デフォルトは6)です。" 16152"ARRAY['ZLEVEL=9']というようにします。この関数が二つの出力を行う必要があるた" 16153"め、ワールドファイルはPNGでは許されません。詳細については<ulink url=\"http://" 16154"www.gdal.org/frmt_various.html\">GDAL Raster format options</ulink>をご覧下さ" 16155"い。" 16156 16157#. Tag: programlisting 16158#: reference_raster.xml:6264 16159#, no-c-format 16160msgid "" 16161"SELECT ST_AsPNG(rast) As rastpng\n" 16162"FROM dummy_rast WHERE rid=2;\n" 16163"\n" 16164"-- export the first 3 bands and map band 3 to Red, band 1 to Green, band 2 " 16165"to blue\n" 16166"SELECT ST_AsPNG(rast, ARRAY[3,1,2]) As rastpng\n" 16167"FROM dummy_rast WHERE rid=2;" 16168msgstr "" 16169"SELECT ST_AsPNG(rast) As rastpng\n" 16170"FROM dummy_rast WHERE rid=2;\n" 16171"\n" 16172"-- 前から3バンドを出力し、3番を赤、1番を緑、2番を青に対応付けます\n" 16173"SELECT ST_AsPNG(rast, ARRAY[3,1,2]) As rastpng\n" 16174"FROM dummy_rast WHERE rid=2;" 16175 16176#. Tag: para 16177#: reference_raster.xml:6271 16178#, no-c-format 16179msgid "" 16180", <xref linkend=\"RT_ST_ColorMap\"/>, <xref linkend=\"RT_ST_GDALDrivers\"/>, " 16181"<xref linkend=\"RT_Raster_Applications\"/>" 16182msgstr "" 16183", <xref linkend=\"RT_ST_ColorMap\"/>, <xref linkend=\"RT_ST_GDALDrivers\"/>, " 16184"<xref linkend=\"RT_Raster_Applications\"/>" 16185 16186#. Tag: refname 16187#: reference_raster.xml:6277 16188#, no-c-format 16189msgid "ST_AsTIFF" 16190msgstr "ST_AsTIFF" 16191 16192#. Tag: refpurpose 16193#: reference_raster.xml:6278 16194#, no-c-format 16195msgid "" 16196"Return the raster selected bands as a single TIFF image (byte array). If no " 16197"band is specified or any of specified bands does not exist in the raster, " 16198"then will try to use all bands." 16199msgstr "" 16200"ラスタの選択されたバンドを、単一のTIFF画像 (バイト配列)として返します。バンド" 16201"を指定しないか指定したバンドがラスタ内に無い場合には、全てのバンドの使用を試" 16202"みます。" 16203 16204#. Tag: funcsynopsis 16205#: reference_raster.xml:6282 16206#, no-c-format 16207msgid "" 16208"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16209"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16210"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=''</" 16211"parameter></paramdef> <paramdef><type>integer </type> " 16212"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16213"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16214"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16215"<paramdef choice=\"opt\"><type>text </type> <parameter>compression=''</" 16216"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 16217"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16218"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16219"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16220"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16221"<paramdef choice=\"opt\"><type>text </type> <parameter>compression=''</" 16222"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 16223"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16224"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16225"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16226"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16227"<paramdef><type>text[] </type> <parameter>options</parameter></paramdef> " 16228"<paramdef><type>integer </type> <parameter>srid=sameassource</parameter></" 16229"paramdef> </funcprototype>" 16230msgstr "" 16231"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16232"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16233"<paramdef choice=\"opt\"><type>text[] </type> <parameter>options=''</" 16234"parameter></paramdef> <paramdef><type>integer </type> " 16235"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16236"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16237"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16238"<paramdef choice=\"opt\"><type>text </type> <parameter>compression=''</" 16239"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 16240"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16241"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16242"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16243"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16244"<paramdef choice=\"opt\"><type>text </type> <parameter>compression=''</" 16245"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 16246"<parameter>srid=sameassource</parameter></paramdef> </funcprototype> " 16247"<funcprototype> <funcdef>bytea <function>ST_AsTIFF</function></funcdef> " 16248"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16249"<paramdef><type>integer[] </type> <parameter>nbands</parameter></paramdef> " 16250"<paramdef><type>text[] </type> <parameter>options</parameter></paramdef> " 16251"<paramdef><type>integer </type> <parameter>srid=sameassource</parameter></" 16252"paramdef> </funcprototype>" 16253 16254#. Tag: para 16255#: reference_raster.xml:6315 16256#, no-c-format 16257msgid "" 16258"Returns the selected bands of the raster as a single Tagged Image File " 16259"Format (TIFF). If no band is specified, will try to use all bands. This is a " 16260"wrapper around <xref linkend=\"RT_ST_AsGDALRaster\"/>. Use <xref linkend=" 16261"\"RT_ST_AsGDALRaster\"/> if you need to export as less common raster types. " 16262"There are many variants of the function with many options. If no spatial " 16263"reference SRS text is present, the spatial reference of the raster is used. " 16264"These are itemized below:" 16265msgstr "" 16266"ラスタの選択されたバンドを、単一のTagged Image File Format (TIFF)画像として返" 16267"します。バンドを指定しない場合には、全てのバンドの使用を試みます。この関数は" 16268"<xref linkend=\"RT_ST_AsGDALRaster\"/>のラッパです。より一般でないラスタタイ" 16269"プで出力する必要がある場合には、<xref linkend=\"RT_ST_AsGDALRaster\"/>を使い" 16270"ます。この関数には多数の任意引数が付くさまざまな形式があります。空間参照系 " 16271"(SRS)の文字列表現が指定されていない場合には、ラスタの空間参照系を使います。引" 16272"数については次の通りです。" 16273 16274#. Tag: para 16275#: reference_raster.xml:6318 16276#, no-c-format 16277msgid "" 16278"<varname>nbands</varname> is an array of bands to export (note that max is 3 " 16279"for PNG) and the order of the bands is RGB. e.g ARRAY[3,2,1] means map band " 16280"3 to Red, band 2 to green and band 1 to blue" 16281msgstr "" 16282"<varname>nbands</varname> 出力バンドの配列 (PNGでは3要素が最大です)で、バンド" 16283"の並び順はRGBです。たとえばARRAY[3,2,1]は、3番バンドを赤、2番バンドを緑、1番" 16284"バンドを青にそれぞれ対応させます。" 16285 16286#. Tag: para 16287#: reference_raster.xml:6323 16288#, no-c-format 16289msgid "" 16290"<varname>compression</varname> Compression expression -- JPEG90 (or some " 16291"other percent), LZW, JPEG, DEFLATE9." 16292msgstr "" 16293"<varname>compression</varname> 圧縮式 -- JPEG90 (または他のパーセント値), " 16294"LZW, JPEG, DEFLATE9のいずれかです。" 16295 16296#. Tag: para 16297#: reference_raster.xml:6328 16298#, no-c-format 16299msgid "" 16300"<varname>options</varname> text Array of GDAL create options as defined for " 16301"GTiff (look at create_options for GTiff of <xref linkend=\"RT_ST_GDALDrivers" 16302"\"/>). or refer to <ulink url=\"http://www.gdal.org/frmt_various.html\">GDAL " 16303"Raster format options</ulink> for more details." 16304msgstr "" 16305"<varname>options</varname> GTiffを定義するGDALオプションの文字列配列です " 16306"(<xref linkend=\"RT_ST_GDALDrivers\"/>のGTiff用のcreate_optionsを見てくださ" 16307"い)。詳細については<ulink url=\"http://www.gdal.org/frmt_various.html\">GDAL " 16308"Raster format options</ulink>をご覧下さい。" 16309 16310#. Tag: para 16311#: reference_raster.xml:6333 16312#, no-c-format 16313msgid "" 16314"<varname>srid</varname> srid of spatial_ref_sys of the raster. This is used " 16315"to populate the georeference information" 16316msgstr "" 16317"<varname>srid</varname> ラスタのspatial_ref_sysのSRIDです。地理参照情報を登録" 16318"するために使われます。" 16319 16320#. Tag: title 16321#: reference_raster.xml:6342 16322#, no-c-format 16323msgid "Examples: Use jpeg compression 90%" 16324msgstr "例: JPEG90%品質圧縮の使用" 16325 16326#. Tag: programlisting 16327#: reference_raster.xml:6344 16328#, no-c-format 16329msgid "" 16330"SELECT ST_AsTIFF(rast, 'JPEG90') As rasttiff\n" 16331"FROM dummy_rast WHERE rid=2;" 16332msgstr "" 16333"SELECT ST_AsTIFF(rast, 'JPEG90') As rasttiff\n" 16334"FROM dummy_rast WHERE rid=2;" 16335 16336#. Tag: para 16337#: reference_raster.xml:6351 16338#, no-c-format 16339msgid "" 16340", <xref linkend=\"RT_ST_AsGDALRaster\"/>, <xref linkend=\"RT_ST_SRID\"/>" 16341msgstr "" 16342", <xref linkend=\"RT_ST_AsGDALRaster\"/>, <xref linkend=\"RT_ST_SRID\"/>" 16343 16344#. Tag: title 16345#: reference_raster.xml:6357 16346#, no-c-format 16347msgid "Raster Processing" 16348msgstr "ラスタ処理" 16349 16350#. Tag: title 16351#: reference_raster.xml:6360 16352#, no-c-format 16353msgid "Map Algebra" 16354msgstr "地図代数" 16355 16356#. Tag: refname 16357#: reference_raster.xml:6364 16358#, no-c-format 16359msgid "ST_Clip" 16360msgstr "ST_Clip" 16361 16362#. Tag: refpurpose 16363#: reference_raster.xml:6365 16364#, no-c-format 16365msgid "" 16366"Returns the raster clipped by the input geometry. If band number not is " 16367"specified, all bands are processed. If <varname>crop</varname> is not " 16368"specified or TRUE, the output raster is cropped." 16369msgstr "" 16370"入力ジオメトリで切り取ったラスタを返します。バンドが指定されていない場合に" 16371"は、全てのバンドが返されます。<varname>crop</varname>が指定されていない場合に" 16372"は、TRUEと仮定され、出力ラスタをクロップします。" 16373 16374#. Tag: funcsynopsis 16375#: reference_raster.xml:6369 16376#, no-c-format 16377msgid "" 16378"<funcprototype> <funcdef>raster <function>ST_Clip</function></funcdef> " 16379"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16380"<paramdef><type>integer[] </type> <parameter>nband</parameter></paramdef> " 16381"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16382"<paramdef choice=\"opt\"><type>double precision[] </type> " 16383"<parameter>nodataval=NULL</parameter></paramdef> <paramdef choice=\"opt" 16384"\"><type>boolean </type> <parameter>crop=TRUE</parameter></paramdef> </" 16385"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16386"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16387"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 16388"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16389"paramdef> <paramdef><type>double precision </type> <parameter>nodataval</" 16390"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 16391"<parameter>crop=TRUE</parameter></paramdef> </funcprototype> <funcprototype> " 16392"<funcdef>raster <function>ST_Clip</function></funcdef> " 16393"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16394"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 16395"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16396"<paramdef><type>boolean </type> <parameter>crop</parameter></paramdef> </" 16397"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16398"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16399"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16400"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 16401"<parameter>nodataval=NULL</parameter></paramdef> <paramdef choice=\"opt" 16402"\"><type>boolean </type> <parameter>crop=TRUE</parameter></paramdef> </" 16403"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16404"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16405"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16406"paramdef> <paramdef><type>double precision </type> <parameter>nodataval</" 16407"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 16408"<parameter>crop=TRUE</parameter></paramdef> </funcprototype> <funcprototype> " 16409"<funcdef>raster <function>ST_Clip</function></funcdef> " 16410"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16411"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16412"<paramdef><type>boolean </type> <parameter>crop</parameter></paramdef> </" 16413"funcprototype>" 16414msgstr "" 16415"<funcprototype> <funcdef>raster <function>ST_Clip</function></funcdef> " 16416"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16417"<paramdef><type>integer[] </type> <parameter>nband</parameter></paramdef> " 16418"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16419"<paramdef choice=\"opt\"><type>double precision[] </type> " 16420"<parameter>nodataval=NULL</parameter></paramdef> <paramdef choice=\"opt" 16421"\"><type>boolean </type> <parameter>crop=TRUE</parameter></paramdef> </" 16422"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16423"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16424"paramdef> <paramdef><type>integer </type> <parameter>nband</parameter></" 16425"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16426"paramdef> <paramdef><type>double precision </type> <parameter>nodataval</" 16427"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 16428"<parameter>crop=TRUE</parameter></paramdef> </funcprototype> <funcprototype> " 16429"<funcdef>raster <function>ST_Clip</function></funcdef> " 16430"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16431"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 16432"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16433"<paramdef><type>boolean </type> <parameter>crop</parameter></paramdef> </" 16434"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16435"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16436"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16437"paramdef> <paramdef choice=\"opt\"><type>double precision[] </type> " 16438"<parameter>nodataval=NULL</parameter></paramdef> <paramdef choice=\"opt" 16439"\"><type>boolean </type> <parameter>crop=TRUE</parameter></paramdef> </" 16440"funcprototype> <funcprototype> <funcdef>raster <function>ST_Clip</function></" 16441"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 16442"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 16443"paramdef> <paramdef><type>double precision </type> <parameter>nodataval</" 16444"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 16445"<parameter>crop=TRUE</parameter></paramdef> </funcprototype> <funcprototype> " 16446"<funcdef>raster <function>ST_Clip</function></funcdef> " 16447"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16448"<paramdef><type>geometry </type> <parameter>geom</parameter></paramdef> " 16449"<paramdef><type>boolean </type> <parameter>crop</parameter></paramdef> </" 16450"funcprototype>" 16451 16452#. Tag: para 16453#: reference_raster.xml:6426 16454#, no-c-format 16455msgid "" 16456"Returns a raster that is clipped by the input geometry <varname>geom</" 16457"varname>. If band index is not specified, all bands are processed." 16458msgstr "" 16459"入力ジオメトリ<varname>geom</varname>で切り取ったラスタを返します。バンドが指" 16460"定されていない場合には、全てのバンドが処理されます。" 16461 16462#. Tag: para 16463#: reference_raster.xml:6430 16464#, no-c-format 16465msgid "" 16466"Rasters resulting from ST_Clip must have a nodata value assigned for areas " 16467"clipped, one for each band. If none are provided and the input raster do not " 16468"have a nodata value defined, nodata values of the resulting raster are set " 16469"to ST_MinPossibleValue(ST_BandPixelType(rast, band)). When the number of " 16470"nodata value in the array is smaller than the number of band, the last one " 16471"in the array is used for the remaining bands. If the number of nodata value " 16472"is greater than the number of band, the extra nodata values are ignored. All " 16473"variants accepting an array of nodata values also accept a single value " 16474"which will be assigned to each band." 16475msgstr "" 16476"ST_Clipが返すラスタは、バンド毎に一つずつ必ず切り取った領域に適用するNODATA値" 16477"を持ちます。NODATA値が渡されず、入力ラスタがNODATA値を持たない場合には、結果" 16478"ラスタのNODATA値はST_MinPossibleValue(ST_BandPixelType(rast, band))に設定され" 16479"ます。配列におけるNODATA値の要素数がバンド数より小さい場合には、配列の最後の" 16480"要素が残りのバンドに適用されます。NODATA値の要素数がバンド数より多い場合に" 16481"は、超過分は無視されます。全てのNODATA値配列を受け付ける形式では、バンド毎に" 16482"適用される単一値も受け付けます。" 16483 16484#. Tag: para 16485#: reference_raster.xml:6434 16486#, no-c-format 16487msgid "" 16488"If <varname>crop</varname> is not specified, true is assumed meaning the " 16489"output raster is cropped to the intersection of the <varname>geom</" 16490"varname>and <varname>rast</varname> extents. If <varname>crop</varname> is " 16491"set to false, the new raster gets the same extent as <varname>rast</varname>." 16492msgstr "" 16493"<varname>crop</varname>が指定されていない場合には、TRUEと仮定され、出力ラスタ" 16494"を <varname>geom</varname>範囲と<varname>rast</varname>範囲とのインタセクトし" 16495"た範囲にクロップします。cropがFALSEに設定されている場合には、新しいラスタは" 16496"<varname>rast</varname>と同じ範囲になります。" 16497 16498#. Tag: para 16499#: reference_raster.xml:6440 16500#, no-c-format 16501msgid "Enhanced: 2.1.0 Rewritten in C" 16502msgstr "Enhanced: 2.1.0 C言語で記述されました" 16503 16504#. Tag: para 16505#: reference_raster.xml:6442 16506#, no-c-format 16507msgid "" 16508"Examples here use Massachusetts aerial data available on MassGIS site <ulink " 16509"url=\"http://www.mass.gov/mgis/colororthos2008.htm\">MassGIS Aerial Orthos</" 16510"ulink>. Coordinates are in Massachusetts State Plane Meters." 16511msgstr "" 16512"MassGISサイト<ulink url=\"http://www.mass.gov/mgis/colororthos2008.htm" 16513"\">MassGIS Aerial Orthos</ulink>にあるマサチューセッツ空中写真データを使った" 16514"例です。座標はメートル単位のマサチューセッツ州平面です。" 16515 16516#. Tag: title 16517#: reference_raster.xml:6448 16518#, no-c-format 16519msgid "Examples: 1 band clipping" 16520msgstr "例: 1バンドの切り取り" 16521 16522#. Tag: programlisting 16523#: reference_raster.xml:6450 16524#, no-c-format 16525msgid "" 16526"-- Clip the first band of an aerial tile by a 20 meter buffer.\n" 16527"SELECT ST_Clip(rast, 1,\n" 16528" ST_Buffer(ST_Centroid(ST_Envelope(rast)),20)\n" 16529" ) from aerials.boston\n" 16530"WHERE rid = 4;" 16531msgstr "" 16532"-- 空中写真タイルの1番バンドを中心から20メートルのバッファで切り取ります\n" 16533"SELECT ST_Clip(rast, 1,\n" 16534" ST_Buffer(ST_Centroid(ST_Envelope(rast)),20)\n" 16535" ) from aerials.boston\n" 16536"WHERE rid = 4;" 16537 16538#. Tag: programlisting 16539#: reference_raster.xml:6452 16540#, no-c-format 16541msgid "" 16542"-- Demonstrate effect of crop on final dimensions of raster\n" 16543"-- Note how final extent is clipped to that of the geometry\n" 16544"-- if crop = true\n" 16545"SELECT ST_XMax(ST_Envelope(ST_Clip(rast, 1, clipper, true))) As " 16546"xmax_w_trim,\n" 16547" ST_XMax(clipper) As xmax_clipper,\n" 16548" ST_XMax(ST_Envelope(ST_Clip(rast, 1, clipper, false))) As " 16549"xmax_wo_trim,\n" 16550" ST_XMax(ST_Envelope(rast)) As xmax_rast_orig\n" 16551"FROM (SELECT rast, ST_Buffer(ST_Centroid(ST_Envelope(rast)),6) As clipper\n" 16552" FROM aerials.boston\n" 16553"WHERE rid = 6) As foo;\n" 16554"\n" 16555" xmax_w_trim | xmax_clipper | xmax_wo_trim | xmax_rast_orig\n" 16556"------------------+------------------+------------------+------------------\n" 16557" 230657.436173996 | 230657.436173996 | 230666.436173996 | 230666.436173996" 16558msgstr "" 16559"--ラスタの最終的なピクセル範囲についてのクロップの効果のデモンストレーショ" 16560"ン\n" 16561"-- crop=trueでは、どのように最終的な範囲がジオメトリに切り取られるかをみま" 16562"す\n" 16563"SELECT ST_XMax(ST_Envelope(ST_Clip(rast, 1, clipper, true))) As " 16564"xmax_w_trim,\n" 16565" ST_XMax(clipper) As xmax_clipper,\n" 16566" ST_XMax(ST_Envelope(ST_Clip(rast, 1, clipper, false))) As " 16567"xmax_wo_trim,\n" 16568" ST_XMax(ST_Envelope(rast)) As xmax_rast_orig\n" 16569"FROM (SELECT rast, ST_Buffer(ST_Centroid(ST_Envelope(rast)),6) As clipper\n" 16570" FROM aerials.boston\n" 16571"WHERE rid = 6) As foo;\n" 16572"\n" 16573" xmax_w_trim | xmax_clipper | xmax_wo_trim | xmax_rast_orig\n" 16574"------------------+------------------+------------------+------------------\n" 16575" 230657.436173996 | 230657.436173996 | 230666.436173996 | 230666.436173996" 16576 16577#. Tag: para 16578#: reference_raster.xml:6466 reference_raster.xml:6509 16579#: reference_raster.xml:6552 16580#, no-c-format 16581msgid "Full raster tile before clipping" 16582msgstr "切り取り前の完全なラスタタイル" 16583 16584#. Tag: para 16585#: reference_raster.xml:6480 reference_raster.xml:6566 16586#, no-c-format 16587msgid "After Clipping" 16588msgstr "切り取り後" 16589 16590#. Tag: title 16591#: reference_raster.xml:6493 16592#, no-c-format 16593msgid "" 16594"Examples: 1 band clipping with no crop and add back other bands unchanged" 16595msgstr "例: クロップがなく他のバンドは切り取らず1バンドを切り取る" 16596 16597#. Tag: programlisting 16598#: reference_raster.xml:6495 16599#, no-c-format 16600msgid "" 16601"-- Same example as before, but we need to set crop to false to be able to " 16602"use ST_AddBand\n" 16603"-- because ST_AddBand requires all bands be the same Width and height\n" 16604"SELECT ST_AddBand(ST_Clip(rast, 1,\n" 16605" ST_Buffer(ST_Centroid(ST_Envelope(rast)),20),false\n" 16606" ), ARRAY[ST_Band(rast,2),ST_Band(rast,3)] ) from aerials.boston\n" 16607"WHERE rid = 6;" 16608msgstr "" 16609"-- 前の例と同じですが、\n" 16610"-- ST_AddBandは全てのバンドが同じピクセル範囲を持っている必要があるので\n" 16611"-- ST_AddBandを使えるようにするためcropをFALSEに設定しなければなりません\n" 16612"SELECT ST_AddBand(ST_Clip(rast, 1,\n" 16613" ST_Buffer(ST_Centroid(ST_Envelope(rast)),20),false\n" 16614" ), ARRAY[ST_Band(rast,2),ST_Band(rast,3)] ) from aerials.boston\n" 16615"WHERE rid = 6;" 16616 16617#. Tag: para 16618#: reference_raster.xml:6523 16619#, no-c-format 16620msgid "After Clipping - surreal" 16621msgstr "切り取り後 - シュールですね" 16622 16623#. Tag: title 16624#: reference_raster.xml:6536 16625#, no-c-format 16626msgid "Examples: Clip all bands" 16627msgstr "例: 全バンドの切り取り" 16628 16629#. Tag: programlisting 16630#: reference_raster.xml:6538 16631#, no-c-format 16632msgid "" 16633"-- Clip all bands of an aerial tile by a 20 meter buffer.\n" 16634"-- Only difference is we don't specify a specific band to clip\n" 16635"-- so all bands are clipped\n" 16636"SELECT ST_Clip(rast,\n" 16637" ST_Buffer(ST_Centroid(ST_Envelope(rast)), 20),\n" 16638" false\n" 16639" ) from aerials.boston\n" 16640"WHERE rid = 4;" 16641msgstr "" 16642"-- 空中写真タイルの全バンドを20メートルバッファで切り取ります\n" 16643"-- 違いは、全バンドの切り取りのため\n" 16644"-- 切り取り対象のバンドを指定しないことだけです\n" 16645"SELECT ST_Clip(rast,\n" 16646" ST_Buffer(ST_Centroid(ST_Envelope(rast)), 20),\n" 16647" false\n" 16648" ) from aerials.boston\n" 16649"WHERE rid = 4;" 16650 16651#. Tag: para 16652#: reference_raster.xml:6581 16653#, no-c-format 16654msgid "" 16655", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Intersection\"/" 16656">" 16657msgstr "" 16658", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Intersection\"/" 16659">" 16660 16661#. Tag: refname 16662#: reference_raster.xml:6591 16663#, no-c-format 16664msgid "ST_ColorMap" 16665msgstr "ST_ColorMap" 16666 16667#. Tag: refpurpose 16668#: reference_raster.xml:6592 16669#, no-c-format 16670msgid "" 16671"Creates a new raster of up to four 8BUI bands (grayscale, RGB, RGBA) from " 16672"the source raster and a specified band. Band 1 is assumed if not specified." 16673msgstr "" 16674"元のラスタと指定したバンドから4個までの8BUIバンド (grayscale, RGB, RGBA)から" 16675"なる新しいラスタを生成します。" 16676 16677#. Tag: funcprototype 16678#: reference_raster.xml:6597 16679#, no-c-format 16680msgid "" 16681"<funcdef>raster <function>ST_ColorMap</function></funcdef> " 16682"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16683"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 16684"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 16685"<parameter>colormap=grayscale</parameter></paramdef> <paramdef choice=\"opt" 16686"\"><type>text </type> <parameter>method=INTERPOLATE</parameter></paramdef>" 16687msgstr "" 16688"<funcdef>raster <function>ST_ColorMap</function></funcdef> " 16689"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16690"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 16691"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 16692"<parameter>colormap=grayscale</parameter></paramdef> <paramdef choice=\"opt" 16693"\"><type>text </type> <parameter>method=INTERPOLATE</parameter></paramdef>" 16694 16695#. Tag: funcprototype 16696#: reference_raster.xml:6607 16697#, no-c-format 16698msgid "" 16699"<funcdef>raster <function>ST_ColorMap</function></funcdef> " 16700"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16701"<paramdef><type>text </type> <parameter>colormap</parameter></paramdef> " 16702"<paramdef choice=\"opt\"><type>text </type> <parameter>method=INTERPOLATE</" 16703"parameter></paramdef>" 16704msgstr "" 16705"<funcdef>raster <function>ST_ColorMap</function></funcdef> " 16706"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 16707"<paramdef><type>text </type> <parameter>colormap</parameter></paramdef> " 16708"<paramdef choice=\"opt\"><type>text </type> <parameter>method=INTERPOLATE</" 16709"parameter></paramdef>" 16710 16711#. Tag: para 16712#: reference_raster.xml:6619 16713#, no-c-format 16714msgid "" 16715"Apply a <varname>colormap</varname> to the band at <varname>nband</varname> " 16716"of <varname>rast</varname> resulting a new raster comprised of up to four " 16717"8BUI bands. The number of 8BUI bands in the new raster is determined by the " 16718"number of color components defined in <varname>colormap</varname>." 16719msgstr "" 16720"<varname>rast</varname>の<varname>nband</varname>で示されるバンドに" 16721"<varname>colormap</varname>を適用し、4個までの8BUIバンドからなる新しいラスタ" 16722"を返します。新しいラスタの8BUIバンドの数は<varname>colormap</varname>で定義さ" 16723"れた色要素の数で決まります。" 16724 16725#. Tag: para 16726#: reference_raster.xml:6623 16727#, no-c-format 16728msgid "If <varname>nband</varname> is not specified, then band 1 is assumed." 16729msgstr "<varname>nband</varname>が指定されていない場合には、1番と仮定します。" 16730 16731#. Tag: para 16732#: reference_raster.xml:6625 16733#, no-c-format 16734msgid "" 16735"<varname>colormap</varname> can be a keyword of a pre-defined colormap or a " 16736"set of lines defining the value and the color components." 16737msgstr "" 16738"<varname>colormap</varname>は事前定義された色マップまたは値を定義する行の集合" 16739"と色要素のキーワードです。" 16740 16741#. Tag: para 16742#: reference_raster.xml:6629 16743#, no-c-format 16744msgid "Valid pre-defined <varname>colormap</varname> keyword:" 16745msgstr "" 16746"妥当な事前定義された<varname>colormap</varname>キーワードは次の通りです。" 16747 16748#. Tag: para 16749#: reference_raster.xml:6635 16750#, no-c-format 16751msgid "" 16752"<varname>grayscale</varname> or <varname>greyscale</varname> for a one 8BUI " 16753"band raster of shades of gray." 16754msgstr "" 16755"<varname>grayscale</varname>または<varname>greyscale</varname> 1個の8BUIバン" 16756"ドからなるラスタで、グレーの陰影です。" 16757 16758#. Tag: para 16759#: reference_raster.xml:6640 16760#, no-c-format 16761msgid "" 16762"<varname>pseudocolor</varname> for a four 8BUI (RGBA) band raster with " 16763"colors going from blue to green to red." 16764msgstr "" 16765"<varname>pseudocolor</varname> 4個の8BUIバンド (RGBA)からなるラスタで、青から" 16766"緑、赤に移るものです。" 16767 16768#. Tag: para 16769#: reference_raster.xml:6645 16770#, no-c-format 16771msgid "" 16772"<varname>fire</varname> for a four 8BUI (RGBA) band raster with colors going " 16773"from black to red to pale yellow." 16774msgstr "" 16775"<varname>fire</varname> 4個の8BUIバンド (RGBA)からなるラスタで、黒から赤、淡" 16776"黄色に移るものです。" 16777 16778#. Tag: para 16779#: reference_raster.xml:6650 16780#, no-c-format 16781msgid "" 16782"<varname>bluered</varname> for a four 8BUI (RGBA) band raster with colors " 16783"going from blue to pale white to red." 16784msgstr "" 16785"<varname>bluered</varname> 4個の8BUIバンド (RGBA)からなるラスタで、青から" 16786"ペールホワイト、赤に移るものです。" 16787 16788#. Tag: para 16789#: reference_raster.xml:6656 16790#, no-c-format 16791msgid "" 16792"Users can pass a set of entries (one per line) to <varname>colormap</" 16793"varname> to specify custom colormaps. Each entry generally consists of five " 16794"values: the pixel value and corresponding Red, Green, Blue, Alpha components " 16795"(color components between 0 and 255). Percent values can be used instead of " 16796"pixel values where 0% and 100% are the minimum and maximum values found in " 16797"the raster band. Values can be separated with commas (','), tabs, colons " 16798"(':') and/or spaces. The pixel value can be set to <emphasis>nv</emphasis>, " 16799"<emphasis>null</emphasis> or <emphasis>nodata</emphasis> for the NODATA " 16800"value. An example is provided below." 16801msgstr "" 16802"カスタムカラーマップを指定するためにエントリ (1行1エントリ)の集合を" 16803"<varname>colormap</varname>に渡すことができます。それぞれのエントリは一般的" 16804"に、ピクセル値、ピクセル値と対応する赤、緑、青、アルファ要素(0から255の間の色" 16805"要素)からなる5個の値を持ちます。ピクセル値の替わりに百分率値を使うことがで" 16806"き、0%がラスタバンドでの最小値、100%が最大値になります。値はコンマ('.')、タ" 16807"ブ、コロン(':')、空白で区切られます。NODATA値に対しては、ピクセル値を" 16808"<emphasis>nv</emphasis>, <emphasis>null</emphasis>, <emphasis>nodata</" 16809"emphasis>のいずれかに設定できます。例を次に示します。" 16810 16811#. Tag: programlisting 16812#: reference_raster.xml:6660 16813#, no-c-format 16814msgid "" 16815"5 0 0 0 255\n" 16816"4 100:50 55 255\n" 16817"1 150,100 150 255\n" 16818"0% 255 255 255 255\n" 16819"nv 0 0 0 0" 16820msgstr "" 16821"5 0 0 0 255\n" 16822"4 100:50 55 255\n" 16823"1 150,100 150 255\n" 16824"0% 255 255 255 255\n" 16825"nv 0 0 0 0" 16826 16827#. Tag: para 16828#: reference_raster.xml:6662 16829#, no-c-format 16830msgid "" 16831"The syntax of <varname>colormap</varname> is similar to that of the color-" 16832"relief mode of GDAL <ulink url=\"http://www.gdal.org/gdaldem." 16833"html#gdaldem_color_relief\">gdaldem</ulink>." 16834msgstr "" 16835"<varname>colormap</varname>の構文は、GDALツールの<ulink url=\"http://www." 16836"gdal.org/gdaldem.html#gdaldem_color_relief\">gdaldem</ulink>の起伏モードに似" 16837"ています。" 16838 16839#. Tag: para 16840#: reference_raster.xml:6666 16841#, no-c-format 16842msgid "Valid keywords for <varname>method</varname>:" 16843msgstr "<varname>method</varname>の妥当なキーワードは次の通りです。" 16844 16845#. Tag: para 16846#: reference_raster.xml:6672 16847#, no-c-format 16848msgid "" 16849"<varname>INTERPOLATE</varname> to use linear interpolation to smoothly blend " 16850"the colors between the given pixel values" 16851msgstr "" 16852"<varname>INTERPOLATE</varname> 与えられたピクセル値の間での滑らかな色合成のた" 16853"めの線形補間に使います。" 16854 16855#. Tag: para 16856#: reference_raster.xml:6677 16857#, no-c-format 16858msgid "" 16859"<varname>EXACT</varname> to strictly match only those pixels values found in " 16860"the colormap. Pixels whose value does not match a colormap entry will be set " 16861"to 0 0 0 0 (RGBA)" 16862msgstr "" 16863"<varname>EXACT</varname> カラーマップで見つかったピクセル値だけを厳格に一致さ" 16864"せます。カラーマップエントリに一致しないピクセルに対しては0 0 0 0 (RGBA)が設" 16865"定されます。" 16866 16867#. Tag: para 16868#: reference_raster.xml:6682 16869#, no-c-format 16870msgid "" 16871"<varname>NEAREST</varname> to use the colormap entry whose value is closest " 16872"to the pixel value" 16873msgstr "" 16874"<varname>NEAREST</varname> ピクセル値に最も近い値にあうカラーマップエントリを" 16875"使います。" 16876 16877#. Tag: para 16878#: reference_raster.xml:6689 16879#, no-c-format 16880msgid "" 16881"A great reference for colormaps is <ulink url=\"http://www.colorbrewer2.org" 16882"\">ColorBrewer</ulink>." 16883msgstr "" 16884"カラーマップの偉大な参考情報は<ulink url=\"http://www.colorbrewer2.org" 16885"\">ColorBrewer</ulink>にあります。" 16886 16887#. Tag: para 16888#: reference_raster.xml:6694 16889#, no-c-format 16890msgid "" 16891"The resulting bands of new raster will have no NODATA value set. Use <xref " 16892"linkend=\"RT_ST_SetBandNoDataValue\"/> to set a NODATA value if one is " 16893"needed." 16894msgstr "" 16895"新しいラスタの結果バンドにはNODATA値が入りません。NODATA値が必要な場合には、 " 16896"<xref linkend=\"RT_ST_SetBandNoDataValue\"/>を使ってNODATA値をセットします。" 16897 16898#. Tag: para 16899#: reference_raster.xml:6704 16900#, no-c-format 16901msgid "This is a junk table to play with" 16902msgstr "これは試行のためのがらくたテーブルです。" 16903 16904#. Tag: programlisting 16905#: reference_raster.xml:6706 16906#, no-c-format 16907msgid "" 16908"-- setup test raster table --\n" 16909"DROP TABLE IF EXISTS funky_shapes;\n" 16910"CREATE TABLE funky_shapes(rast raster);\n" 16911"\n" 16912"INSERT INTO funky_shapes(rast)\n" 16913"WITH ref AS (\n" 16914" SELECT ST_MakeEmptyRaster( 200, 200, 0, 200, 1, -1, 0, 0) AS rast\n" 16915")\n" 16916"SELECT\n" 16917" ST_Union(rast)\n" 16918"FROM (\n" 16919" SELECT\n" 16920" ST_AsRaster(\n" 16921" ST_Rotate(\n" 16922" ST_Buffer(\n" 16923" ST_GeomFromText('LINESTRING(0 2,50 " 16924"50,150 150,125 50)'),\n" 16925" i*2\n" 16926" ),\n" 16927" pi() * i * 0.125, ST_Point(50,50)\n" 16928" ),\n" 16929" ref.rast, '8BUI'::text, i * 5\n" 16930" ) AS rast\n" 16931" FROM ref\n" 16932" CROSS JOIN generate_series(1, 10, 3) AS i\n" 16933") AS shapes;" 16934msgstr "" 16935"-- 試験ラスタテーブルの作成 --\n" 16936"DROP TABLE IF EXISTS funky_shapes;\n" 16937"CREATE TABLE funky_shapes(rast raster);\n" 16938"\n" 16939"INSERT INTO funky_shapes(rast)\n" 16940"WITH ref AS (\n" 16941" SELECT ST_MakeEmptyRaster( 200, 200, 0, 200, 1, -1, 0, 0) AS rast\n" 16942")\n" 16943"SELECT\n" 16944" ST_Union(rast)\n" 16945"FROM (\n" 16946" SELECT\n" 16947" ST_AsRaster(\n" 16948" ST_Rotate(\n" 16949" ST_Buffer(\n" 16950" ST_GeomFromText('LINESTRING(0 2,50 " 16951"50,150 150,125 50)'),\n" 16952" i*2\n" 16953" ),\n" 16954" pi() * i * 0.125, ST_Point(50,50)\n" 16955" ),\n" 16956" ref.rast, '8BUI'::text, i * 5\n" 16957" ) AS rast\n" 16958" FROM ref\n" 16959" CROSS JOIN generate_series(1, 10, 3) AS i\n" 16960") AS shapes;" 16961 16962#. Tag: programlisting 16963#: reference_raster.xml:6708 16964#, no-c-format 16965msgid "" 16966"SELECT\n" 16967" ST_NumBands(rast) As n_orig,\n" 16968" ST_NumBands(ST_ColorMap(rast,1, 'greyscale')) As ngrey,\n" 16969" ST_NumBands(ST_ColorMap(rast,1, 'pseudocolor')) As npseudo,\n" 16970" ST_NumBands(ST_ColorMap(rast,1, 'fire')) As nfire,\n" 16971" ST_NumBands(ST_ColorMap(rast,1, 'bluered')) As nbluered,\n" 16972" ST_NumBands(ST_ColorMap(rast,1, '\n" 16973"100% 255 0 0\n" 16974" 80% 160 0 0\n" 16975" 50% 130 0 0\n" 16976" 30% 30 0 0\n" 16977" 20% 60 0 0\n" 16978" 0% 0 0 0\n" 16979" nv 255 255 255\n" 16980" ')) As nred\n" 16981"FROM funky_shapes;" 16982msgstr "" 16983"SELECT\n" 16984" ST_NumBands(rast) As n_orig,\n" 16985" ST_NumBands(ST_ColorMap(rast,1, 'greyscale')) As ngrey,\n" 16986" ST_NumBands(ST_ColorMap(rast,1, 'pseudocolor')) As npseudo,\n" 16987" ST_NumBands(ST_ColorMap(rast,1, 'fire')) As nfire,\n" 16988" ST_NumBands(ST_ColorMap(rast,1, 'bluered')) As nbluered,\n" 16989" ST_NumBands(ST_ColorMap(rast,1, '\n" 16990"100% 255 0 0\n" 16991" 80% 160 0 0\n" 16992" 50% 130 0 0\n" 16993" 30% 30 0 0\n" 16994" 20% 60 0 0\n" 16995" 0% 0 0 0\n" 16996" nv 255 255 255\n" 16997" ')) As nred\n" 16998"FROM funky_shapes;" 16999 17000#. Tag: screen 17001#: reference_raster.xml:6710 17002#, no-c-format 17003msgid "" 17004"n_orig | ngrey | npseudo | nfire | nbluered | nred\n" 17005"--------+-------+---------+-------+----------+------\n" 17006" 1 | 1 | 4 | 4 | 4 | 3" 17007msgstr "" 17008"n_orig | ngrey | npseudo | nfire | nbluered | nred\n" 17009"--------+-------+---------+-------+----------+------\n" 17010" 1 | 1 | 4 | 4 | 4 | 3" 17011 17012#. Tag: title 17013#: reference_raster.xml:6714 17014#, no-c-format 17015msgid "Examples: Compare different color map looks using ST_AsPNG" 17016msgstr "例: ST_AsPNGを使用して異なるカラーマップを比較する" 17017 17018#. Tag: programlisting 17019#: reference_raster.xml:6715 17020#, no-c-format 17021msgid "" 17022"SELECT\n" 17023" ST_AsPNG(rast) As orig_png,\n" 17024" ST_AsPNG(ST_ColorMap(rast,1,'greyscale')) As grey_png,\n" 17025" ST_AsPNG(ST_ColorMap(rast,1, 'pseudocolor')) As pseudo_png,\n" 17026" ST_AsPNG(ST_ColorMap(rast,1, 'nfire')) As fire_png,\n" 17027" ST_AsPNG(ST_ColorMap(rast,1, 'bluered')) As bluered_png,\n" 17028" ST_AsPNG(ST_ColorMap(rast,1, '\n" 17029"100% 255 0 0\n" 17030" 80% 160 0 0\n" 17031" 50% 130 0 0\n" 17032" 30% 30 0 0\n" 17033" 20% 60 0 0\n" 17034" 0% 0 0 0\n" 17035" nv 255 255 255\n" 17036" ')) As red_png\n" 17037"FROM funky_shapes;" 17038msgstr "" 17039"SELECT\n" 17040" ST_AsPNG(rast) As orig_png,\n" 17041" ST_AsPNG(ST_ColorMap(rast,1,'greyscale')) As grey_png,\n" 17042" ST_AsPNG(ST_ColorMap(rast,1, 'pseudocolor')) As pseudo_png,\n" 17043" ST_AsPNG(ST_ColorMap(rast,1, 'nfire')) As fire_png,\n" 17044" ST_AsPNG(ST_ColorMap(rast,1, 'bluered')) As bluered_png,\n" 17045" ST_AsPNG(ST_ColorMap(rast,1, '\n" 17046"100% 255 0 0\n" 17047" 80% 160 0 0\n" 17048" 50% 130 0 0\n" 17049" 30% 30 0 0\n" 17050" 20% 60 0 0\n" 17051" 0% 0 0 0\n" 17052" nv 255 255 255\n" 17053" ')) As red_png\n" 17054"FROM funky_shapes;" 17055 17056#. Tag: para 17057#: reference_raster.xml:6729 17058#, no-c-format 17059msgid "orig_png" 17060msgstr "orig_png" 17061 17062#. Tag: para 17063#: reference_raster.xml:6743 17064#, no-c-format 17065msgid "grey_png" 17066msgstr "grey_png" 17067 17068#. Tag: para 17069#: reference_raster.xml:6757 17070#, no-c-format 17071msgid "pseudo_png" 17072msgstr "pseudo_png" 17073 17074#. Tag: para 17075#: reference_raster.xml:6773 17076#, no-c-format 17077msgid "fire_png" 17078msgstr "fire_png" 17079 17080#. Tag: para 17081#: reference_raster.xml:6787 17082#, no-c-format 17083msgid "bluered_png" 17084msgstr "bluered_png" 17085 17086#. Tag: para 17087#: reference_raster.xml:6801 17088#, no-c-format 17089msgid "red_png" 17090msgstr "red_png" 17091 17092#. Tag: para 17093#: reference_raster.xml:6815 17094#, no-c-format 17095msgid "" 17096", <xref linkend=\"RT_ST_AsRaster\"/> <xref linkend=\"RT_ST_MapAlgebra\"/>, " 17097"<xref linkend=\"RT_ST_Grayscale\"/> <xref linkend=\"RT_ST_NumBands\"/>, " 17098"<xref linkend=\"RT_ST_Reclass\"/>, <xref linkend=\"RT_ST_SetBandNoDataValue" 17099"\"/>, <xref linkend=\"RT_ST_Union\"/>" 17100msgstr "" 17101", <xref linkend=\"RT_ST_AsRaster\"/> <xref linkend=\"RT_ST_MapAlgebra\"/>, " 17102"<xref linkend=\"RT_ST_Grayscale\"/> <xref linkend=\"RT_ST_NumBands\"/>, " 17103"<xref linkend=\"RT_ST_Reclass\"/>, <xref linkend=\"RT_ST_SetBandNoDataValue" 17104"\"/>, <xref linkend=\"RT_ST_Union\"/>" 17105 17106#. Tag: refname 17107#: reference_raster.xml:6830 17108#, no-c-format 17109msgid "ST_Grayscale" 17110msgstr "ST_Grayscale" 17111 17112#. Tag: refpurpose 17113#: reference_raster.xml:6831 17114#, no-c-format 17115msgid "" 17116"Creates a new one-8BUI band raster from the source raster and specified " 17117"bands representing Red, Green and Blue" 17118msgstr "" 17119"元のラスタと指定したバンドを赤、緑、青バンドとして一つの8BUIバンドを持つラス" 17120"タを生成します。" 17121 17122#. Tag: funcprototype 17123#: reference_raster.xml:6836 17124#, no-c-format 17125msgid "" 17126"<funcdef>(1) raster <function>ST_Grayscale</function></funcdef> " 17127"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17128"<paramdef choice=\"opt\"><type>integer </type> <parameter>redband=1</" 17129"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17130"<parameter>greenband=2</parameter></paramdef> <paramdef choice=\"opt" 17131"\"><type>integer </type> <parameter>blueband=3</parameter></paramdef> " 17132"<paramdef choice=\"opt\"><type>text </type> " 17133"<parameter>extenttype=INTERSECTION</parameter></paramdef>" 17134msgstr "" 17135"<funcdef>(1) raster <function>ST_Grayscale</function></funcdef> " 17136"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17137"<paramdef choice=\"opt\"><type>integer </type> <parameter>redband=1</" 17138"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17139"<parameter>greenband=2</parameter></paramdef> <paramdef choice=\"opt" 17140"\"><type>integer </type> <parameter>blueband=3</parameter></paramdef> " 17141"<paramdef choice=\"opt\"><type>text </type> " 17142"<parameter>extenttype=INTERSECTION</parameter></paramdef>" 17143 17144#. Tag: funcprototype 17145#: reference_raster.xml:6847 17146#, no-c-format 17147msgid "" 17148"<funcdef>(2) raster <function>ST_Grayscale</function></funcdef> " 17149"<paramdef><type>rastbandarg[] </type> <parameter>rastbandargset</parameter></" 17150"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17151"<parameter>extenttype=INTERSECTION</parameter></paramdef>" 17152msgstr "" 17153"<funcdef>(2) raster <function>ST_Grayscale</function></funcdef> " 17154"<paramdef><type>rastbandarg[] </type> <parameter>rastbandargset</parameter></" 17155"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17156"<parameter>extenttype=INTERSECTION</parameter></paramdef>" 17157 17158#. Tag: para 17159#: reference_raster.xml:6858 17160#, no-c-format 17161msgid "" 17162"Create a raster with one 8BUI band given three input bands (from one or more " 17163"rasters). Any input band whose pixel type is not 8BUI will be reclassified " 17164"using <xref linkend=\"RT_ST_Reclass\"/>." 17165msgstr "" 17166"三つの入力バンド (一つ以上のラスタ)を与えられ、一つの8BUIバンドを持つラスタを" 17167"生成します。タイプが8BUIでない入力バンドは全て<xref linkend=\"RT_ST_Reclass" 17168"\"/>で再分類されます。" 17169 17170#. Tag: para 17171#: reference_raster.xml:6863 17172#, no-c-format 17173msgid "" 17174"This function is not like <xref linkend=\"RT_ST_ColorMap\"/> with the " 17175"<varname>grayscale</varname> keyword as ST_ColorMap operates on only one " 17176"band while this function expects three bands for RGB. This function applies " 17177"the following equation for converting RGB to Grayscale: 0.2989 * RED + " 17178"0.5870 * GREEN + 0.1140 * BLUE" 17179msgstr "" 17180"この関数は<varname>grayscale</varname>キーワードを与えた場合の<xref linkend=" 17181"\"RT_ST_ColorMap\"/>とは違います。ST_ColorMapでは一つのバンドを扱いますが、こ" 17182"の関数ではRGBの3バンドを期待します。この関数は 0.2989 * 赤 + 0.5870 * 緑 + " 17183"0.1140 * 青 という式を適用してRGBをグレースケールにしています。" 17184 17185#. Tag: programlisting 17186#: reference_raster.xml:6875 17187#, no-c-format 17188msgid "" 17189"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 17190"SET postgis.enable_outdb_rasters = True;\n" 17191"\n" 17192"WITH apple AS (\n" 17193" SELECT ST_AddBand(\n" 17194" ST_MakeEmptyRaster(350, 246, 0, 0, 1, -1, 0, 0, 0),\n" 17195" '/tmp/apple.png'::text,\n" 17196" NULL::int[]\n" 17197" ) AS rast\n" 17198")\n" 17199"SELECT\n" 17200" ST_AsPNG(rast) AS original_png,\n" 17201" ST_AsPNG(ST_Grayscale(rast)) AS grayscale_png\n" 17202"FROM apple;" 17203msgstr "" 17204"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 17205"SET postgis.enable_outdb_rasters = True;\n" 17206"\n" 17207"WITH apple AS (\n" 17208" SELECT ST_AddBand(\n" 17209" ST_MakeEmptyRaster(350, 246, 0, 0, 1, -1, 0, 0, 0),\n" 17210" '/tmp/apple.png'::text,\n" 17211" NULL::int[]\n" 17212" ) AS rast\n" 17213")\n" 17214"SELECT\n" 17215" ST_AsPNG(rast) AS original_png,\n" 17216" ST_AsPNG(ST_Grayscale(rast)) AS grayscale_png\n" 17217"FROM apple;" 17218 17219#. Tag: para 17220#: reference_raster.xml:6889 17221#, no-c-format 17222msgid "original_png" 17223msgstr "original_png" 17224 17225#. Tag: para 17226#: reference_raster.xml:6903 17227#, no-c-format 17228msgid "grayscale_png" 17229msgstr "grayscale_png" 17230 17231#. Tag: programlisting 17232#: reference_raster.xml:6919 17233#, no-c-format 17234msgid "" 17235"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 17236"SET postgis.enable_outdb_rasters = True;\n" 17237"\n" 17238"WITH apple AS (\n" 17239" SELECT ST_AddBand(\n" 17240" ST_MakeEmptyRaster(350, 246, 0, 0, 1, -1, 0, 0, 0),\n" 17241" '/tmp/apple.png'::text,\n" 17242" NULL::int[]\n" 17243" ) AS rast\n" 17244")\n" 17245"SELECT\n" 17246" ST_AsPNG(rast) AS original_png,\n" 17247" ST_AsPNG(ST_Grayscale(\n" 17248" ARRAY[\n" 17249" ROW(rast, 1)::rastbandarg, -- red\n" 17250" ROW(rast, 2)::rastbandarg, -- green\n" 17251" ROW(rast, 3)::rastbandarg, -- blue\n" 17252" ]::rastbandarg[]\n" 17253" )) AS grayscale_png\n" 17254"FROM apple;" 17255msgstr "" 17256"SET postgis.gdal_enabled_drivers = 'ENABLE_ALL';\n" 17257"SET postgis.enable_outdb_rasters = True;\n" 17258"\n" 17259"WITH apple AS (\n" 17260" SELECT ST_AddBand(\n" 17261" ST_MakeEmptyRaster(350, 246, 0, 0, 1, -1, 0, 0, 0),\n" 17262" '/tmp/apple.png'::text,\n" 17263" NULL::int[]\n" 17264" ) AS rast\n" 17265")\n" 17266"SELECT\n" 17267" ST_AsPNG(rast) AS original_png,\n" 17268" ST_AsPNG(ST_Grayscale(\n" 17269" ARRAY[\n" 17270" ROW(rast, 1)::rastbandarg, -- red\n" 17271" ROW(rast, 2)::rastbandarg, -- green\n" 17272" ROW(rast, 3)::rastbandarg, -- blue\n" 17273" ]::rastbandarg[]\n" 17274" )) AS grayscale_png\n" 17275"FROM apple;" 17276 17277#. Tag: para 17278#: reference_raster.xml:6924 17279#, no-c-format 17280msgid ", <xref linkend=\"RT_ST_Reclass\"/>, <xref linkend=\"RT_ST_ColorMap\"/>" 17281msgstr "" 17282", <xref linkend=\"RT_ST_Reclass\"/>, <xref linkend=\"RT_ST_ColorMap\"/>" 17283 17284#. Tag: refname 17285#: reference_raster.xml:6935 17286#, no-c-format 17287msgid "ST_Intersection" 17288msgstr "ST_Intersection" 17289 17290#. Tag: refpurpose 17291#: reference_raster.xml:6936 17292#, no-c-format 17293msgid "" 17294"<refpurpose>Returns a raster or a set of geometry-pixelvalue pairs " 17295"representing the shared portion of two rasters or the geometrical " 17296"intersection of a vectorization of the raster and a geometry.</refpurpose>" 17297msgstr "" 17298"<refpurpose>二つのラスタの共有部分またはベクタ化したラスタとジオメトリとのイ" 17299"ンタセクトした部分を表現する、ラスタまたはジオメトリとピクセル値の組の集合を" 17300"返します。</refpurpose>" 17301 17302#. Tag: funcsynopsis 17303#: reference_raster.xml:6940 17304#, no-c-format 17305msgid "" 17306"<funcprototype> <funcdef>setof geomval <function>ST_Intersection</function></" 17307"funcdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 17308"paramdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 17309"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17310"<parameter>band_num=1</parameter></paramdef> </funcprototype> " 17311"<funcprototype> <funcdef>setof geomval <function>ST_Intersection</function></" 17312"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 17313"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 17314"paramdef> </funcprototype> <funcprototype> <funcdef>setof geomval " 17315"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17316"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 17317"<parameter>band</parameter></paramdef> <paramdef><type>geometry </type> " 17318"<parameter>geomin</parameter></paramdef> </funcprototype> <funcprototype> " 17319"<funcdef>raster <function>ST_Intersection</function></funcdef> " 17320"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 17321"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 17322"<paramdef><type>double precision[] </type> <parameter>nodataval</parameter></" 17323"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 17324"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17325"type> <parameter>rast1</parameter></paramdef> <paramdef><type>raster </type> " 17326"<parameter>rast2</parameter></paramdef> <paramdef choice=\"opt\"><type>text " 17327"</type> <parameter>returnband</parameter></paramdef> <paramdef choice=\"opt" 17328"\"><type>double precision[] </type> <parameter>nodataval</parameter></" 17329"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 17330"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17331"type> <parameter>rast1</parameter></paramdef> <paramdef><type>integer </" 17332"type> <parameter>band1</parameter></paramdef> <paramdef><type>raster </type> " 17333"<parameter>rast2</parameter></paramdef> <paramdef><type>integer </type> " 17334"<parameter>band2</parameter></paramdef> <paramdef><type>double precision[] </" 17335"type> <parameter>nodataval</parameter></paramdef> </funcprototype> " 17336"<funcprototype> <funcdef>raster <function>ST_Intersection</function></" 17337"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 17338"paramdef> <paramdef><type>integer </type> <parameter>band1</parameter></" 17339"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 17340"paramdef> <paramdef><type>integer </type> <parameter>band2</parameter></" 17341"paramdef> <paramdef choice=\"opt\"><type>text </type> <parameter>returnband</" 17342"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 17343"type> <parameter>nodataval</parameter></paramdef> </funcprototype>" 17344msgstr "" 17345"<funcprototype> <funcdef>setof geomval <function>ST_Intersection</function></" 17346"funcdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 17347"paramdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 17348"paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17349"<parameter>band_num=1</parameter></paramdef> </funcprototype> " 17350"<funcprototype> <funcdef>setof geomval <function>ST_Intersection</function></" 17351"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 17352"paramdef> <paramdef><type>geometry </type> <parameter>geom</parameter></" 17353"paramdef> </funcprototype> <funcprototype> <funcdef>setof geomval " 17354"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17355"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 17356"<parameter>band</parameter></paramdef> <paramdef><type>geometry </type> " 17357"<parameter>geomin</parameter></paramdef> </funcprototype> <funcprototype> " 17358"<funcdef>raster <function>ST_Intersection</function></funcdef> " 17359"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 17360"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 17361"<paramdef><type>double precision[] </type> <parameter>nodataval</parameter></" 17362"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 17363"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17364"type> <parameter>rast1</parameter></paramdef> <paramdef><type>raster </type> " 17365"<parameter>rast2</parameter></paramdef> <paramdef choice=\"opt\"><type>text " 17366"</type> <parameter>returnband</parameter></paramdef> <paramdef choice=\"opt" 17367"\"><type>double precision[] </type> <parameter>nodataval</parameter></" 17368"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 17369"<function>ST_Intersection</function></funcdef> <paramdef><type>raster </" 17370"type> <parameter>rast1</parameter></paramdef> <paramdef><type>integer </" 17371"type> <parameter>band1</parameter></paramdef> <paramdef><type>raster </type> " 17372"<parameter>rast2</parameter></paramdef> <paramdef><type>integer </type> " 17373"<parameter>band2</parameter></paramdef> <paramdef><type>double precision[] </" 17374"type> <parameter>nodataval</parameter></paramdef> </funcprototype> " 17375"<funcprototype> <funcdef>raster <function>ST_Intersection</function></" 17376"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 17377"paramdef> <paramdef><type>integer </type> <parameter>band1</parameter></" 17378"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 17379"paramdef> <paramdef><type>integer </type> <parameter>band2</parameter></" 17380"paramdef> <paramdef choice=\"opt\"><type>text </type> <parameter>returnband</" 17381"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision[] </" 17382"type> <parameter>nodataval</parameter></paramdef> </funcprototype>" 17383 17384#. Tag: para 17385#: reference_raster.xml:7000 17386#, no-c-format 17387msgid "" 17388"<para>Returns a raster or a set of geometry-pixelvalue pairs representing " 17389"the shared portion of two rasters or the geometrical intersection of a " 17390"vectorization of the raster and a geometry.</para>" 17391msgstr "" 17392"<para>二つのラスタの共有部分またはベクタ化したラスタとジオメトリとのインタセ" 17393"クトした部分を表現する、ラスタまたはジオメトリとピクセル値の組の集合を返しま" 17394"す。</para>" 17395 17396#. Tag: para 17397#: reference_raster.xml:7004 17398#, fuzzy, no-c-format 17399msgid "" 17400"The first three variants, returning a setof geomval, works in vector space. " 17401"The raster is first vectorized (using <xref linkend=\"RT_ST_DumpAsPolygons\"/" 17402">) into a set of geomval rows and those rows are then intersected with the " 17403"geometry using the <xref linkend=\"ST_Intersection\"/> (geometry, geometry) " 17404"PostGIS function. Geometries intersecting only with a nodata value area of a " 17405"raster returns an empty geometry. They are normally excluded from the " 17406"results by the proper usage of <xref linkend=\"RT_ST_Intersects\"/> in the " 17407"WHERE clause." 17408msgstr "" 17409"前半の三つの形式は、geomvalの集合を返すもので、ベクタ形状を引数に取ります。ラ" 17410"スタは初めにgeomval行の集合にベクトル化されます (ST_DumpAsPolygonを使用)。こ" 17411"れらの行はPostGIS関数のST_Intersection(geometry, geometry)を使ってジオメトリ" 17412"とインタセクトさせます。NODATA値の領域とだけインタセクトするジオメトリについ" 17413"ては空ジオメトリを返します。通常はWHERE節でST_Intersectsを使って結果から確実" 17414"に排除します。" 17415 17416#. Tag: para 17417#: reference_raster.xml:7008 17418#, no-c-format 17419msgid "" 17420"You can access the geometry and the value parts of the resulting set of " 17421"geomval by surrounding them with parenthesis and adding '.geom' or '.val' at " 17422"the end of the expression. e.g. (ST_Intersection(rast, geom)).geom" 17423msgstr "" 17424"丸括弧でくくって式の末尾に'.geom'や'.val'をつけることにより、geomvalの結果集" 17425"合のジオメトリや値の部分にアクセスすることができます。たとえば" 17426"(ST_Intersection(rast, geom)).geom等とします。" 17427 17428#. Tag: para 17429#: reference_raster.xml:7012 17430#, no-c-format 17431msgid "" 17432"The other variants, returning a raster, works in raster space. They are " 17433"using the two rasters version of ST_MapAlgebraExpr to perform the " 17434"intersection." 17435msgstr "" 17436"他の形式は、ラスタを引数に取り、ラスタを返します。ST_MapAlgebraExprの二つのラ" 17437"スタを取る形式を使って、インタセクトしている部分を取得します。" 17438 17439#. Tag: para 17440#: reference_raster.xml:7016 17441#, no-c-format 17442msgid "" 17443"The extent of the resulting raster corresponds to the geometrical " 17444"intersection of the two raster extents. The resulting raster includes " 17445"'BAND1', 'BAND2' or 'BOTH' bands, following what is passed as the " 17446"<varname>returnband</varname> parameter. Nodata value areas present in any " 17447"band results in nodata value areas in every bands of the result. In other " 17448"words, any pixel intersecting with a nodata value pixel becomes a nodata " 17449"value pixel in the result." 17450msgstr "" 17451"結果ラスタの範囲は、二つのラスタの範囲についてインタセクトしている部分です。" 17452"結果ラスタは、<varname>returnband</varname>引数として渡されたものにあわせられ" 17453"た'BAND1','BAND2','BOTH'バンドを含みます。どのバンドでもNODATA値の領域は、結" 17454"果ラスタの全てのバンドのNODATA値領域に現れます。言い換えると、あらゆるNODATA" 17455"値ピクセルとインタセクトしているピクセルは、結果ラスタではNODATA値ピクセルに" 17456"なります。" 17457 17458#. Tag: para 17459#: reference_raster.xml:7020 17460#, no-c-format 17461msgid "" 17462"Rasters resulting from ST_Intersection must have a nodata value assigned for " 17463"areas not intersecting. You can define or replace the nodata value for any " 17464"resulting band by providing a <varname>nodataval[]</varname> array of one or " 17465"two nodata values depending if you request 'BAND1', 'BAND2' or 'BOTH' bands. " 17466"The first value in the array replace the nodata value in the first band and " 17467"the second value replace the nodata value in the second band. If one input " 17468"band do not have a nodata value defined and none are provided as an array, " 17469"one is chosen using the ST_MinPossibleValue function. All variant accepting " 17470"an array of nodata value can also accept a single value which will be " 17471"assigned to each requested band." 17472msgstr "" 17473"インタセクトしなかった領域にNODATA値を入れるために、ST_Intersectionからの結果" 17474"ラスタは、NODATA値を持たなければなりません。結果ラスタのどのバンドにも、一つ" 17475"か二つのNODATA値を持つ<varname>nodataval[]</varname>配列を与えることでNODATA" 17476"値を定義したり置き換えたりできます。この配列は、引数で与え" 17477"た'BAND1','BAND2','BOTH'バンドに依存します。 配列の一つ目の値は、一つ目のバン" 17478"ドのNODATA値を入れ替えるものです。二つ目の値は二つ目のバンドのNODATA値を入れ" 17479"替えるものです。入力バンドの一つがNODATA値を持っておらず、かつ配列を渡さな" 17480"かった場合には、ST_MinPossibleValue関数を使ってNODATA値が選ばれます。NODATA値" 17481"の配列を受け付ける形式の全てが、単一値を受け付けます。単一値は結果ラスタのそ" 17482"れぞれのバンドに適用されます。" 17483 17484#. Tag: para 17485#: reference_raster.xml:7024 17486#, no-c-format 17487msgid "" 17488"In all variants, if no band number is specified band 1 is assumed. If you " 17489"need an intersection between a raster and geometry that returns a raster, " 17490"refer to <xref linkend=\"RT_ST_Clip\"/>." 17491msgstr "" 17492"全ての形式で、バンド番号を指定していない場合には、1番と仮定します。ラスタとジ" 17493"オメトリを引数にとり、ラスタを得たい場合には、<xref linkend=\"RT_ST_Clip\"/>" 17494"を参照して下さい。" 17495 17496#. Tag: para 17497#: reference_raster.xml:7029 17498#, no-c-format 17499msgid "" 17500"To get more control on the resulting extent or on what to return when " 17501"encountering a nodata value, use the two rasters version of <xref linkend=" 17502"\"RT_ST_MapAlgebraExpr2\"/>." 17503msgstr "" 17504"NODATA値に遭遇した時の、結果範囲や返された物に関して、より多くの制御を行いた" 17505"い場合には、<xref linkend=\"RT_ST_MapAlgebraExpr2\"/>の二つのラスタを取る形式" 17506"を使います。" 17507 17508#. Tag: para 17509#: reference_raster.xml:7035 17510#, no-c-format 17511msgid "" 17512"To compute the intersection of a raster band with a geometry in raster " 17513"space, use <xref linkend=\"RT_ST_Clip\"/>. ST_Clip works on multiple bands " 17514"rasters and does not return a band corresponding to the rasterized geometry." 17515msgstr "" 17516"ラスタバンドとジオメトリとがインタセクトする部分を計算するには、<xref " 17517"linkend=\"RT_ST_Clip\"/>を使います。ST_Clipは複数のバンドで動作し、ラスタ化さ" 17518"れたジオメトリに従ったバンドを返すことはしません。" 17519 17520#. Tag: para 17521#: reference_raster.xml:7041 17522#, fuzzy, no-c-format 17523msgid "" 17524"ST_Intersection should be used in conjunction with <xref linkend=" 17525"\"RT_ST_Intersects\"/> and an index on the raster column and/or the geometry " 17526"column." 17527msgstr "" 17528"ST_IntersectionはST_Intersectsと併用して、ラスタカラムとジオメトリカラムのイ" 17529"ンデクスを使うべきです。" 17530 17531#. Tag: para 17532#: reference_raster.xml:7046 17533#, no-c-format 17534msgid "" 17535"Enhanced: 2.0.0 - Intersection in the raster space was introduced. In " 17536"earlier pre-2.0.0 versions, only intersection performed in vector space were " 17537"supported." 17538msgstr "" 17539"Enhanced: 2.0.0 - ラスタ空間のインタセクションが導入されました。2.0.0より前の" 17540"版では、ベクタ空間でのインタセクションの計算のみに対応していました。" 17541 17542#. Tag: title 17543#: reference_raster.xml:7052 17544#, no-c-format 17545msgid "Examples: Geometry, Raster -- resulting in geometry vals" 17546msgstr "例: ジオメトリとラスタ -- ジオメトリと値を得る" 17547 17548#. Tag: programlisting 17549#: reference_raster.xml:7054 17550#, no-c-format 17551msgid "" 17552"SELECT\n" 17553" foo.rid,\n" 17554" foo.gid,\n" 17555" ST_AsText((foo.geomval).geom) As geomwkt,\n" 17556" (foo.geomval).val\n" 17557"FROM (\n" 17558" SELECT\n" 17559" A.rid,\n" 17560" g.gid,\n" 17561" ST_Intersection(A.rast, g.geom) As geomval\n" 17562" FROM dummy_rast AS A\n" 17563" CROSS JOIN (\n" 17564" VALUES\n" 17565" (1, ST_Point(3427928, 5793243.85) ),\n" 17566" (2, ST_GeomFromText('LINESTRING(3427927.85 " 17567"5793243.75,3427927.8 5793243.75,3427927.8 5793243.8)')),\n" 17568" (3, ST_GeomFromText('LINESTRING(1 2, 3 4)'))\n" 17569" ) As g(gid,geom)\n" 17570" WHERE A.rid = 2\n" 17571") As foo;\n" 17572"\n" 17573" rid | gid | " 17574"geomwkt " 17575"| val\n" 17576"-----+-----" 17577"+---------------------------------------------------------------------------------------------\n" 17578" 2 | 1 | POINT(3427928 " 17579"5793243.85) " 17580"| 249\n" 17581" 2 | 1 | POINT(3427928 " 17582"5793243.85) " 17583"| 253\n" 17584" 2 | 2 | POINT(3427927.85 " 17585"5793243.75) | " 17586"254\n" 17587" 2 | 2 | POINT(3427927.8 " 17588"5793243.8) " 17589"| 251\n" 17590" 2 | 2 | POINT(3427927.8 " 17591"5793243.8) " 17592"| 253\n" 17593" 2 | 2 | LINESTRING(3427927.8 5793243.75,3427927.8 5793243.8) | " 17594"252\n" 17595" 2 | 2 | MULTILINESTRING((3427927.8 5793243.8,3427927.8 5793243.75),...) " 17596"| 250\n" 17597" 2 | 3 | GEOMETRYCOLLECTION EMPTY" 17598msgstr "" 17599"SELECT\n" 17600" foo.rid,\n" 17601" foo.gid,\n" 17602" ST_AsText((foo.geomval).geom) As geomwkt,\n" 17603" (foo.geomval).val\n" 17604"FROM (\n" 17605" SELECT\n" 17606" A.rid,\n" 17607" g.gid,\n" 17608" ST_Intersection(A.rast, g.geom) As geomval\n" 17609" FROM dummy_rast AS A\n" 17610" CROSS JOIN (\n" 17611" VALUES\n" 17612" (1, ST_Point(3427928, 5793243.85) ),\n" 17613" (2, ST_GeomFromText('LINESTRING(3427927.85 " 17614"5793243.75,3427927.8 5793243.75,3427927.8 5793243.8)')),\n" 17615" (3, ST_GeomFromText('LINESTRING(1 2, 3 4)'))\n" 17616" ) As g(gid,geom)\n" 17617" WHERE A.rid = 2\n" 17618") As foo;\n" 17619"\n" 17620" rid | gid | " 17621"geomwkt " 17622"| val\n" 17623"-----+-----" 17624"+---------------------------------------------------------------------------------------------\n" 17625" 2 | 1 | POINT(3427928 " 17626"5793243.85) " 17627"| 249\n" 17628" 2 | 1 | POINT(3427928 " 17629"5793243.85) " 17630"| 253\n" 17631" 2 | 2 | POINT(3427927.85 " 17632"5793243.75) | " 17633"254\n" 17634" 2 | 2 | POINT(3427927.8 " 17635"5793243.8) " 17636"| 251\n" 17637" 2 | 2 | POINT(3427927.8 " 17638"5793243.8) " 17639"| 253\n" 17640" 2 | 2 | LINESTRING(3427927.8 5793243.75,3427927.8 5793243.8) | " 17641"252\n" 17642" 2 | 2 | MULTILINESTRING((3427927.8 5793243.8,3427927.8 5793243.75),...) " 17643"| 250\n" 17644" 2 | 3 | GEOMETRYCOLLECTION EMPTY" 17645 17646#. Tag: para 17647#: reference_raster.xml:7059 17648#, no-c-format 17649msgid "" 17650", <xref linkend=\"RT_ST_Intersects\"/>, <xref linkend=" 17651"\"RT_ST_MapAlgebraExpr2\"/>, <xref linkend=\"RT_ST_Clip\"/>, <xref linkend=" 17652"\"ST_AsText\"/>" 17653msgstr "" 17654", <xref linkend=\"RT_ST_Intersects\"/>, <xref linkend=" 17655"\"RT_ST_MapAlgebraExpr2\"/>, <xref linkend=\"RT_ST_Clip\"/>, <xref linkend=" 17656"\"ST_AsText\"/>" 17657 17658#. Tag: refname 17659#: reference_raster.xml:7071 17660#, fuzzy, no-c-format 17661msgid "ST_MapAlgebra (callback function version)" 17662msgstr "組み込み地図代数コールバック関数" 17663 17664#. Tag: refpurpose 17665#: reference_raster.xml:7072 17666#, no-c-format 17667msgid "" 17668"Callback function version - Returns a one-band raster given one or more " 17669"input rasters, band indexes and one user-specified callback function." 17670msgstr "" 17671"コールバック関数版 - 一つ以上の入力ラスタ、バンドインデクスと一つのユーザ定義" 17672"コールバック関数から、一つのバンドからなるラスタを返します。" 17673 17674#. Tag: funcsynopsis 17675#: reference_raster.xml:7078 17676#, no-c-format 17677msgid "" 17678"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17679"<paramdef><type>rastbandarg[] </type> <parameter>rastbandargset</parameter></" 17680"paramdef> <paramdef><type>regprocedure </type> <parameter>callbackfunc</" 17681"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 17682"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17683"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17684"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17685"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17686"\"><type>integer </type> <parameter>distancex=0</parameter></paramdef> " 17687"<paramdef choice=\"opt\"><type>integer </type> <parameter>distancey=0</" 17688"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 17689"<parameter>VARIADIC userargs=NULL</parameter></paramdef> </funcprototype> " 17690"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17691"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17692"<paramdef><type>integer[] </type> <parameter>nband</parameter></paramdef> " 17693"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17694"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17695"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17696"\"><type>text </type> <parameter>extenttype=FIRST</parameter></paramdef> " 17697"<paramdef choice=\"opt\"><type>raster </type> <parameter>customextent=NULL</" 17698"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17699"<parameter>distancex=0</parameter></paramdef> <paramdef choice=\"opt" 17700"\"><type>integer </type> <parameter>distancey=0</parameter></paramdef> " 17701"<paramdef choice=\"opt\"><type>text[] </type> <parameter>VARIADIC " 17702"userargs=NULL</parameter></paramdef> </funcprototype> <funcprototype> " 17703"<funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17704"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17705"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 17706"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17707"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17708"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17709"\"><type>text </type> <parameter>extenttype=FIRST</parameter></paramdef> " 17710"<paramdef choice=\"opt\"><type>raster </type> <parameter>customextent=NULL</" 17711"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17712"<parameter>distancex=0</parameter></paramdef> <paramdef choice=\"opt" 17713"\"><type>integer </type> <parameter>distancey=0</parameter></paramdef> " 17714"<paramdef choice=\"opt\"><type>text[] </type> <parameter>VARIADIC " 17715"userargs=NULL</parameter></paramdef> </funcprototype> <funcprototype> " 17716"<funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17717"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 17718"<paramdef><type>integer </type> <parameter>nband1</parameter></paramdef> " 17719"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 17720"<paramdef><type>integer </type> <parameter>nband2</parameter></paramdef> " 17721"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17722"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17723"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17724"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17725"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17726"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17727"\"><type>integer </type> <parameter>distancex=0</parameter></paramdef> " 17728"<paramdef choice=\"opt\"><type>integer </type> <parameter>distancey=0</" 17729"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 17730"<parameter>VARIADIC userargs=NULL</parameter></paramdef> </funcprototype> " 17731"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17732"<paramdef><type>nband</type> <parameter>integer</parameter></paramdef> " 17733"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17734"paramdef> <paramdef><type>float8[] </type> <parameter>mask</parameter></" 17735"paramdef> <paramdef><type>boolean </type> <parameter>weighted</parameter></" 17736"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17737"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17738"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17739"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17740"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17741"\"><type>text[] </type> <parameter>VARIADIC userargs=NULL</parameter></" 17742"paramdef> </funcprototype>" 17743msgstr "" 17744"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17745"<paramdef><type>rastbandarg[] </type> <parameter>rastbandargset</parameter></" 17746"paramdef> <paramdef><type>regprocedure </type> <parameter>callbackfunc</" 17747"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 17748"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17749"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17750"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17751"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17752"\"><type>integer </type> <parameter>distancex=0</parameter></paramdef> " 17753"<paramdef choice=\"opt\"><type>integer </type> <parameter>distancey=0</" 17754"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 17755"<parameter>VARIADIC userargs=NULL</parameter></paramdef> </funcprototype> " 17756"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17757"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17758"<paramdef><type>integer[] </type> <parameter>nband</parameter></paramdef> " 17759"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17760"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17761"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17762"\"><type>text </type> <parameter>extenttype=FIRST</parameter></paramdef> " 17763"<paramdef choice=\"opt\"><type>raster </type> <parameter>customextent=NULL</" 17764"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17765"<parameter>distancex=0</parameter></paramdef> <paramdef choice=\"opt" 17766"\"><type>integer </type> <parameter>distancey=0</parameter></paramdef> " 17767"<paramdef choice=\"opt\"><type>text[] </type> <parameter>VARIADIC " 17768"userargs=NULL</parameter></paramdef> </funcprototype> <funcprototype> " 17769"<funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17770"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 17771"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 17772"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17773"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17774"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17775"\"><type>text </type> <parameter>extenttype=FIRST</parameter></paramdef> " 17776"<paramdef choice=\"opt\"><type>raster </type> <parameter>customextent=NULL</" 17777"parameter></paramdef> <paramdef choice=\"opt\"><type>integer </type> " 17778"<parameter>distancex=0</parameter></paramdef> <paramdef choice=\"opt" 17779"\"><type>integer </type> <parameter>distancey=0</parameter></paramdef> " 17780"<paramdef choice=\"opt\"><type>text[] </type> <parameter>VARIADIC " 17781"userargs=NULL</parameter></paramdef> </funcprototype> <funcprototype> " 17782"<funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17783"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 17784"<paramdef><type>integer </type> <parameter>nband1</parameter></paramdef> " 17785"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 17786"<paramdef><type>integer </type> <parameter>nband2</parameter></paramdef> " 17787"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17788"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17789"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17790"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17791"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17792"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17793"\"><type>integer </type> <parameter>distancex=0</parameter></paramdef> " 17794"<paramdef choice=\"opt\"><type>integer </type> <parameter>distancey=0</" 17795"parameter></paramdef> <paramdef choice=\"opt\"><type>text[] </type> " 17796"<parameter>VARIADIC userargs=NULL</parameter></paramdef> </funcprototype> " 17797"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 17798"<paramdef><type>nband</type> <parameter>integer</parameter></paramdef> " 17799"<paramdef><type>regprocedure </type> <parameter>callbackfunc</parameter></" 17800"paramdef> <paramdef><type>float8[] </type> <parameter>mask</parameter></" 17801"paramdef> <paramdef><type>boolean </type> <parameter>weighted</parameter></" 17802"paramdef> <paramdef choice=\"opt\"><type>text </type> " 17803"<parameter>pixeltype=NULL</parameter></paramdef> <paramdef choice=\"opt" 17804"\"><type>text </type> <parameter>extenttype=INTERSECTION</parameter></" 17805"paramdef> <paramdef choice=\"opt\"><type>raster </type> " 17806"<parameter>customextent=NULL</parameter></paramdef> <paramdef choice=\"opt" 17807"\"><type>text[] </type> <parameter>VARIADIC userargs=NULL</parameter></" 17808"paramdef> </funcprototype>" 17809 17810#. Tag: para 17811#: reference_raster.xml:7150 17812#, no-c-format 17813msgid "" 17814"Returns a one-band raster given one or more input rasters, band indexes and " 17815"one user-specified callback function." 17816msgstr "" 17817"一つ以上の入力ラスタ、バンドインデクスと一つのユーザ定義コールバック関数か" 17818"ら、一つのバンドからなるラスタを返します。" 17819 17820#. Tag: term 17821#: reference_raster.xml:7156 17822#, no-c-format 17823msgid "rast,rast1,rast2, rastbandargset" 17824msgstr "rast,rast1,rast2, rastbandargset" 17825 17826#. Tag: para 17827#: reference_raster.xml:7158 17828#, no-c-format 17829msgid "Rasters on which the map algebra process is evaluated." 17830msgstr "地図代数処理が行われるラスタです。" 17831 17832#. Tag: para 17833#: reference_raster.xml:7159 17834#, no-c-format 17835msgid "" 17836"<varname>rastbandargset</varname> allows the use of a map algebra operation " 17837"on many rasters and/or many bands. See example Variant 1." 17838msgstr "" 17839"<varname>rastbandargset</varname>によって、多数のラスタと多数のバンドにおいて" 17840"地図代数処理が使用できます。一つ目の形式の例を見て下さい。" 17841 17842#. Tag: term 17843#: reference_raster.xml:7164 17844#, no-c-format 17845msgid "nband, nband1, nband2" 17846msgstr "nband, nband1, nband2" 17847 17848#. Tag: para 17849#: reference_raster.xml:7166 17850#, no-c-format 17851msgid "" 17852"Band numbers of the raster to be evaluated. nband can be an integer or " 17853"integer[] denoting the bands. nband1 is band on rast1 and nband2 is band on " 17854"rast2 for hte 2 raster/2band case." 17855msgstr "" 17856"処理を行うラスタのバンド番号です。nbandはバンドを示す整数スカラまたは整数配列" 17857"です。2ラスタ/2バンドの場合では、nband1はrast1のバンド、nband2はrast2のバンド" 17858"です。" 17859 17860#. Tag: term 17861#: reference_raster.xml:7172 17862#, no-c-format 17863msgid "callbackfunc" 17864msgstr "callbackfunc" 17865 17866#. Tag: para 17867#: reference_raster.xml:7174 17868#, no-c-format 17869msgid "" 17870"The <varname>callbackfunc</varname> parameter must be the name and signature " 17871"of an SQL or PL/pgSQL function, cast to a regprocedure. An example PL/pgSQL " 17872"function example is: <programlisting>\n" 17873"CREATE OR REPLACE FUNCTION sample_callbackfunc(value double precision[][][], " 17874"position integer[][], VARIADIC userargs text[])\n" 17875" RETURNS double precision\n" 17876" AS $$\n" 17877" BEGIN\n" 17878" RETURN 0;\n" 17879" END;\n" 17880" $$ LANGUAGE 'plpgsql' IMMUTABLE;\n" 17881" </" 17882"programlisting> The <varname>callbackfunc</varname> must have three " 17883"arguments: a 3-dimension double precision array, a 2-dimension integer array " 17884"and a variadic 1-dimension text array. The first argument <varname>value</" 17885"varname> is the set of values (as double precision) from all input rasters. " 17886"The three dimensions (where indexes are 1-based) are: raster #, row y, " 17887"column x. The second argument <varname>position</varname> is the set of " 17888"pixel positions from the output raster and input rasters. The outer " 17889"dimension (where indexes are 0-based) is the raster #. The position at outer " 17890"dimension index 0 is the output raster's pixel position. For each outer " 17891"dimension, there are two elements in the inner dimension for X and Y. The " 17892"third argument <varname>userargs</varname> is for passing through any user-" 17893"specified arguments." 17894msgstr "" 17895"<varname>callbackfunc</varname>引数は、SQLまたはPL/pgSQL関数の名前とシグニ" 17896"チャでなければならず、regprocedureにキャストしなければなりません。PL/pgSQL関" 17897"数の例は次の通りです。<programlisting>\n" 17898"CREATE OR REPLACE FUNCTION sample_callbackfunc(value double precision[][][], " 17899"position integer[][], VARIADIC userargs text[])\n" 17900" RETURNS double precision\n" 17901" AS $$\n" 17902" BEGIN\n" 17903" RETURN 0;\n" 17904" END;\n" 17905" $$ LANGUAGE 'plpgsql' IMMUTABLE;\n" 17906" </" 17907"programlisting> <varname>callbackfunc</varname>は、三つの引数を持たなければな" 17908"りません。すなわち、3次元倍精度浮動小数点数配列、2次元整数配列、VARIADICの1次" 17909"元文字列配列です。一つ目の引数<varname>value</varname>は、全ての入力ラスタか" 17910"らの値 (倍精度浮動小数点数)の配列です。3次元 (1始まり)は、ラスタ番号、行、列" 17911"です。二つ目の引数<varname>position</varname>は、出力ラスタと入力ラスタからの" 17912"ピクセル位置の集合です。一つ目の次元の添え字 (0はじまりです)はラスタ番号で" 17913"す。一つ目の次元の添え字が0の場合に指される位置は、出力ラスタのピクセル位置で" 17914"す。二つ目の次元はXとYからなる二つの要素を持ちます。三つ目の引数" 17915"<varname>userargs</varname>はユーザ定義関数特有の引数としてそのまま渡されま" 17916"す。" 17917 17918#. Tag: para 17919#: reference_raster.xml:7181 17920#, no-c-format 17921msgid "" 17922"Passing a <type>regprocedure</type> argument to a SQL function requires the " 17923"full function signature to be passed, then cast to a <type>regprocedure</" 17924"type> type. To pass the above example PL/pgSQL function as an argument, the " 17925"SQL for the argument is: <programlisting>\n" 17926"'sample_callbackfunc(double precision[], integer[], text[])'::regprocedure\n" 17927" </" 17928"programlisting> Note that the argument contains the name of the function, " 17929"the types of the function arguments, quotes around the name and argument " 17930"types, and a cast to a <type>regprocedure</type>." 17931msgstr "" 17932"<type>regprocedure</type>引数をSQL関数に渡すには、完全な関数シグネチャが求め" 17933"られます。<type>regprocedure</type>へのキャストが必要です。上のPL/pgSQL関数を" 17934"引数として渡すには、引数のSQLは次のようにします。<programlisting>\n" 17935"'sample_callbackfunc(double precision[], integer[], text[])'::regprocedure\n" 17936" </" 17937"programlisting> 引数は関数名と引数の型を含み、関数名と引数を引用符で括り、か" 17938"つ<type>regprocedure</type>にキャストする点に注意が必要です。" 17939 17940#. Tag: term 17941#: reference_raster.xml:7193 17942#, no-c-format 17943msgid "mask" 17944msgstr "mask" 17945 17946#. Tag: para 17947#: reference_raster.xml:7195 17948#, no-c-format 17949msgid "" 17950"An n-dimensional array (matrix) of numbers used to filter what cells get " 17951"passed to map algebra call-back function. 0 means a neighbor cell value " 17952"should be treated as no-data and 1 means value should be treated as data. If " 17953"weight is set to true, then the values, are used as multipliers to multiple " 17954"the pixel value of that value in the neighborhood position." 17955msgstr "" 17956"N次元の数値配列 (行列)で、地図代数コールバック関数に渡すセルを決めるための" 17957"フィルタに使われます。0は近隣セル値をNODATAとして扱うべきであることを示し、1" 17958"はデータとして扱うべきであることをそれぞれ意味します。weightがTRUEに指定され" 17959"いる場合には、この配列の値は、近隣セルのピクセル値に対して掛け算を行うための" 17960"数になります。" 17961 17962#. Tag: term 17963#: reference_raster.xml:7202 17964#, no-c-format 17965msgid "weighted" 17966msgstr "weighted" 17967 17968#. Tag: para 17969#: reference_raster.xml:7204 17970#, no-c-format 17971msgid "" 17972"boolean (true/false) to denote if a mask value should be weighted " 17973"(multiplied by original value) or not (only applies to proto that takes a " 17974"mask)." 17975msgstr "" 17976"マスク値に重みづけを施す (元の値に対して乗算を行う)か、施さない (マスク処理だ" 17977"けを行う)かを示す真偽値です。" 17978 17979#. Tag: term 17980#: reference_raster.xml:7211 reference_raster.xml:7536 17981#: reference_raster.xml:7831 reference_raster.xml:8385 17982#, no-c-format 17983msgid "pixeltype" 17984msgstr "pixeltype" 17985 17986#. Tag: para 17987#: reference_raster.xml:7213 17988#, no-c-format 17989msgid "" 17990"If <varname>pixeltype</varname> is passed in, the one band of the new raster " 17991"will be of that pixeltype. If pixeltype is passed NULL or left out, the new " 17992"raster band will have the same pixeltype as the specified band of the first " 17993"raster (for extent types: INTERSECTION, UNION, FIRST, CUSTOM) or the " 17994"specified band of the appropriate raster (for extent types: SECOND, LAST). " 17995"If in doubt, always specify <varname>pixeltype</varname>." 17996msgstr "" 17997"<varname>pixeltype</varname>を渡した場合には、新しいラスタの一つのバンドが、" 17998"そのピクセルタイプになります。pixeltypeにNULLを渡したり指定しなかった場合に" 17999"は、新しいラスタのピクセルタイプは、一つ目のラスタ (extenttypeが" 18000"INTERSECTION, UNION, FIRST, CUSTOMの場合)か、適切なラスタ (extenttypeが" 18001"SECOND, LASTの場合)の指定したバンドと同じピクセルタイプになります。疑問を感じ" 18002"たら常に<varname>pixeltype</varname>を渡します。" 18003 18004#. Tag: para 18005#: reference_raster.xml:7216 18006#, no-c-format 18007msgid "" 18008"The resulting pixel type of the output raster must be one listed in <xref " 18009"linkend=\"RT_ST_BandPixelType\"/> or left out or set to NULL." 18010msgstr "" 18011"出力ラスタのピクセルタイプは、必ず<xref linkend=\"RT_ST_BandPixelType\"/>に挙" 18012"げられたものの一つになるか、省略されるか、NULLに設定されます。" 18013 18014#. Tag: term 18015#: reference_raster.xml:7223 reference_raster.xml:7544 18016#: reference_raster.xml:7840 18017#, no-c-format 18018msgid "extenttype" 18019msgstr "extenttype" 18020 18021#. Tag: para 18022#: reference_raster.xml:7225 18023#, no-c-format 18024msgid "" 18025"Possible values are INTERSECTION (default), UNION, FIRST (default for one " 18026"raster variants), SECOND, LAST, CUSTOM." 18027msgstr "" 18028"INTERSECTION (デフォルト), UNION, FIRST (一つのラスタを取る形式でのデフォル" 18029"ト), SECOND, LAST, CUSTOMのいずれかになります。" 18030 18031#. Tag: term 18032#: reference_raster.xml:7232 18033#, no-c-format 18034msgid "customextent" 18035msgstr "customextent" 18036 18037#. Tag: para 18038#: reference_raster.xml:7234 18039#, no-c-format 18040msgid "" 18041"If <varname>extentype</varname> is CUSTOM, a raster must be provided for " 18042"<varname>customextent</varname>. See example 4 of Variant 1." 18043msgstr "" 18044"<varname>extentype</varname>がCUSTOMである場合には、ラスタは" 18045"<varname>customextent</varname>で提供されます。一つ目の形式の例4をご覧下さ" 18046"い。" 18047 18048#. Tag: term 18049#: reference_raster.xml:7241 18050#, no-c-format 18051msgid "distancex" 18052msgstr "distancex" 18053 18054#. Tag: para 18055#: reference_raster.xml:7243 18056#, no-c-format 18057msgid "" 18058"The distance in pixels from the reference cell in x direction. So width of " 18059"resulting matrix would be <code>2*distancex + 1</code>.If not specified only " 18060"the reference cell is considered (neighborhood of 0)." 18061msgstr "" 18062"参照セルからのピクセル単位の距離です。結果として得られる行列の幅は" 18063"<code>2*distancex + 1</code>となります。指定しない場合には、参照セルだけが対" 18064"象となります (0の距離の近隣ピクセル)。" 18065 18066#. Tag: term 18067#: reference_raster.xml:7250 18068#, no-c-format 18069msgid "distancey" 18070msgstr "distancey" 18071 18072#. Tag: para 18073#: reference_raster.xml:7252 18074#, no-c-format 18075msgid "" 18076"The distance in pixels from reference cell in y direction. Height of " 18077"resulting matrix would be <code>2*distancey + 1</code> .If not specified " 18078"only the reference cell is considered (neighborhood of 0)." 18079msgstr "" 18080"参照セルからのピクセル単位の距離です。結果として得られる行列の高さは" 18081"<code>2*distancey + 1</code>となります。指定しない場合には、参照セルが対象と" 18082"なります (0の距離の近隣ピクセル)。" 18083 18084#. Tag: term 18085#: reference_raster.xml:7259 18086#, no-c-format 18087msgid "userargs" 18088msgstr "userargs" 18089 18090#. Tag: para 18091#: reference_raster.xml:7261 18092#, no-c-format 18093msgid "" 18094"The third argument to the <varname>callbackfunc</varname> is a " 18095"<type>variadic text</type> array. All trailing text arguments are passed " 18096"through to the specified <varname>callbackfunc</varname>, and are contained " 18097"in the <varname>userargs</varname> argument." 18098msgstr "" 18099"<varname>callbackfunc</varname>の三つ目の引数は<type>variadic text</type>配列" 18100"です。全ての文字列引数は指定された<varname>callbackfunc</varname>にそのまま渡" 18101"され、<varname>userargs</varname>引数に含まれます。" 18102 18103#. Tag: para 18104#: reference_raster.xml:7269 reference_raster.xml:8160 18105#: reference_raster.xml:8279 18106#, no-c-format 18107msgid "" 18108"For more information about the VARIADIC keyword, please refer to the " 18109"PostgreSQL documentation and the \"SQL Functions with Variable Numbers of " 18110"Arguments\" section of <ulink url=\"http://www.postgresql.org/docs/current/" 18111"static/xfunc-sql.html\">Query Language (SQL) Functions</ulink>." 18112msgstr "" 18113"VARIADICキーワードに関する詳細情報については、PostgreSQL文書と<ulink url=" 18114"\"http://www.postgresql.org/docs/current/static/xfunc-sql.html\">Query " 18115"Language (SQL) Functions</ulink> (訳注: 日本語版は「<ulink url=\"http://www." 18116"postgresql.jp/document/current/html/xfunc-sql.html\">問い合わせ言語 （SQL）関" 18117"数</ulink>」です)の\"SQL Functions with Variable Numbers of Arguments\" (訳" 18118"注: 日本語版は「可変長引数を取るSQL関数」)節を参照して下さい。" 18119 18120#. Tag: para 18121#: reference_raster.xml:7275 18122#, no-c-format 18123msgid "" 18124"The <type>text[]</type> argument to the <varname>callbackfunc</varname> is " 18125"required, regardless of whether you choose to pass any arguments to the " 18126"callback function for processing or not." 18127msgstr "" 18128"<varname>callbackfunc</varname>への<type>text[]</type>引数は、あらゆる引数を" 18129"処理のためにユーザ関数に渡すかどうかの選択にかかわらず求められます。" 18130 18131#. Tag: para 18132#: reference_raster.xml:7280 18133#, no-c-format 18134msgid "" 18135"Variant 1 accepts an array of <varname>rastbandarg</varname> allowing the " 18136"use of a map algebra operation on many rasters and/or many bands. See " 18137"example Variant 1." 18138msgstr "" 18139"一つ目の形式では、多数のラスタやバンドで地図代数演算が使えるようになるための" 18140"<varname>rastbandarg</varname>配列を受け付けます。一つ目の形式の例をご覧下さ" 18141"い。" 18142 18143#. Tag: para 18144#: reference_raster.xml:7284 18145#, no-c-format 18146msgid "" 18147"Variants 2 and 3 operate upon one or more bands of one raster. See example " 18148"Variant 2 and 3." 18149msgstr "" 18150"二つ目と三つ目の形式では、一つのラスタにおける一つ以上のバンドについて演算を" 18151"行います。二つ目の形式と三つ目の形式の例をご覧下さい。" 18152 18153#. Tag: para 18154#: reference_raster.xml:7288 18155#, no-c-format 18156msgid "" 18157"Variant 4 operate upon two rasters with one band per raster. See example " 18158"Variant 4." 18159msgstr "" 18160"四つ目の形式では、二つのラスタにおいて、それぞれ一つずつのバンドについて演算" 18161"を行います。四つ目の形式の例をご覧下さい。" 18162 18163#. Tag: para 18164#: reference_raster.xml:7292 18165#, no-c-format 18166msgid "Availability: 2.2.0: Ability to add a mask" 18167msgstr "Availability: 2.2.0: マスクが追加されました。" 18168 18169#. Tag: para 18170#: reference_raster.xml:7300 reference_raster.xml:7322 18171#, no-c-format 18172msgid "One raster, one band" 18173msgstr "一つのラスタ、一つのバンド" 18174 18175#. Tag: programlisting 18176#: reference_raster.xml:7301 18177#, no-c-format 18178msgid "" 18179"WITH foo AS (\n" 18180" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18181"0, 0), 1, '16BUI', 1, 0) AS rast\n" 18182")\n" 18183"SELECT\n" 18184" ST_MapAlgebra(\n" 18185" ARRAY[ROW(rast, 1)]::rastbandarg[],\n" 18186" 'sample_callbackfunc(double precision[], int[], text[])'::" 18187"regprocedure\n" 18188" ) AS rast\n" 18189"FROM foo" 18190msgstr "" 18191"WITH foo AS (\n" 18192" SELECT 1 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18193"0, 0), 1, '16BUI', 1, 0) AS rast\n" 18194")\n" 18195"SELECT\n" 18196" ST_MapAlgebra(\n" 18197" ARRAY[ROW(rast, 1)]::rastbandarg[],\n" 18198" 'sample_callbackfunc(double precision[], int[], text[])'::" 18199"regprocedure\n" 18200" ) AS rast\n" 18201"FROM foo" 18202 18203#. Tag: para 18204#: reference_raster.xml:7303 reference_raster.xml:7319 18205#, no-c-format 18206msgid "One raster, several bands" 18207msgstr "一つのラスタ、複数のバンド" 18208 18209#. Tag: programlisting 18210#: reference_raster.xml:7304 18211#, no-c-format 18212msgid "" 18213"WITH foo AS (\n" 18214" SELECT 1 AS rid, " 18215"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18216"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18217")\n" 18218"SELECT\n" 18219" ST_MapAlgebra(\n" 18220" ARRAY[ROW(rast, 3), ROW(rast, 1), ROW(rast, 3), ROW(rast, " 18221"2)]::rastbandarg[],\n" 18222" 'sample_callbackfunc(double precision[], int[], text[])'::" 18223"regprocedure\n" 18224" ) AS rast\n" 18225"FROM foo" 18226msgstr "" 18227"WITH foo AS (\n" 18228" SELECT 1 AS rid, " 18229"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18230"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18231")\n" 18232"SELECT\n" 18233" ST_MapAlgebra(\n" 18234" ARRAY[ROW(rast, 3), ROW(rast, 1), ROW(rast, 3), ROW(rast, " 18235"2)]::rastbandarg[],\n" 18236" 'sample_callbackfunc(double precision[], int[], text[])'::" 18237"regprocedure\n" 18238" ) AS rast\n" 18239"FROM foo" 18240 18241#. Tag: para 18242#: reference_raster.xml:7306 18243#, no-c-format 18244msgid "Several rasters, several bands" 18245msgstr "複数のラスタ、複数のバンド" 18246 18247#. Tag: programlisting 18248#: reference_raster.xml:7307 18249#, no-c-format 18250msgid "" 18251"WITH foo AS (\n" 18252" SELECT 1 AS rid, " 18253"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18254"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast UNION " 18255"ALL\n" 18256" SELECT 2 AS rid, " 18257"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 18258"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI', 300, 0) AS rast\n" 18259")\n" 18260"SELECT\n" 18261" ST_MapAlgebra(\n" 18262" ARRAY[ROW(t1.rast, 3), ROW(t2.rast, 1), ROW(t2.rast, 3), " 18263"ROW(t1.rast, 2)]::rastbandarg[],\n" 18264" 'sample_callbackfunc(double precision[], int[], text[])'::" 18265"regprocedure\n" 18266" ) AS rast\n" 18267"FROM foo t1\n" 18268"CROSS JOIN foo t2\n" 18269"WHERE t1.rid = 1\n" 18270" AND t2.rid = 2" 18271msgstr "" 18272"WITH foo AS (\n" 18273" SELECT 1 AS rid, " 18274"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18275"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast UNION " 18276"ALL\n" 18277" SELECT 2 AS rid, " 18278"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 18279"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI', 300, 0) AS rast\n" 18280")\n" 18281"SELECT\n" 18282" ST_MapAlgebra(\n" 18283" ARRAY[ROW(t1.rast, 3), ROW(t2.rast, 1), ROW(t2.rast, 3), " 18284"ROW(t1.rast, 2)]::rastbandarg[],\n" 18285" 'sample_callbackfunc(double precision[], int[], text[])'::" 18286"regprocedure\n" 18287" ) AS rast\n" 18288"FROM foo t1\n" 18289"CROSS JOIN foo t2\n" 18290"WHERE t1.rid = 1\n" 18291" AND t2.rid = 2" 18292 18293#. Tag: para 18294#: reference_raster.xml:7309 18295#, no-c-format 18296msgid "" 18297"Complete example of tiles of a coverage with neighborhood. This query only " 18298"works with PostgreSQL 9.1 or higher." 18299msgstr "" 18300"近隣ピクセルを併用したカバレッジのタイルの完全な例です。クエリはPostgreSQL " 18301"9.1以上でのみ動作します。" 18302 18303#. Tag: programlisting 18304#: reference_raster.xml:7310 18305#, no-c-format 18306msgid "" 18307"WITH foo AS (\n" 18308" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18309"0, 0), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 18310" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), " 18311"1, '16BUI', 2, 0) AS rast UNION ALL\n" 18312" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, 0, 1, -1, 0, 0, 0), " 18313"1, '16BUI', 3, 0) AS rast UNION ALL\n" 18314"\n" 18315" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -2, 1, -1, 0, 0, " 18316"0), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 18317" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, " 18318"0), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 18319" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -2, 1, -1, 0, 0, " 18320"0), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 18321"\n" 18322" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -4, 1, -1, 0, 0, " 18323"0), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 18324" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -4, 1, -1, 0, 0, " 18325"0), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 18326" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -4, 1, -1, 0, 0, " 18327"0), 1, '16BUI', 300, 0) AS rast\n" 18328")\n" 18329"SELECT\n" 18330" t1.rid,\n" 18331" ST_MapAlgebra(\n" 18332" ARRAY[ROW(ST_Union(t2.rast), 1)]::rastbandarg[],\n" 18333" 'sample_callbackfunc(double precision[], int[], text[])'::" 18334"regprocedure,\n" 18335" '32BUI',\n" 18336" 'CUSTOM', t1.rast,\n" 18337" 1, 1\n" 18338" ) AS rast\n" 18339"FROM foo t1\n" 18340"CROSS JOIN foo t2\n" 18341"WHERE t1.rid = 4\n" 18342" AND t2.rid BETWEEN 0 AND 8\n" 18343" AND ST_Intersects(t1.rast, t2.rast)\n" 18344"GROUP BY t1.rid, t1.rast" 18345msgstr "" 18346"WITH foo AS (\n" 18347" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18348"0, 0), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 18349" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), " 18350"1, '16BUI', 2, 0) AS rast UNION ALL\n" 18351" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, 0, 1, -1, 0, 0, 0), " 18352"1, '16BUI', 3, 0) AS rast UNION ALL\n" 18353"\n" 18354" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -2, 1, -1, 0, 0, " 18355"0), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 18356" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, " 18357"0), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 18358" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -2, 1, -1, 0, 0, " 18359"0), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 18360"\n" 18361" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -4, 1, -1, 0, 0, " 18362"0), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 18363" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -4, 1, -1, 0, 0, " 18364"0), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 18365" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -4, 1, -1, 0, 0, " 18366"0), 1, '16BUI', 300, 0) AS rast\n" 18367")\n" 18368"SELECT\n" 18369" t1.rid,\n" 18370" ST_MapAlgebra(\n" 18371" ARRAY[ROW(ST_Union(t2.rast), 1)]::rastbandarg[],\n" 18372" 'sample_callbackfunc(double precision[], int[], text[])'::" 18373"regprocedure,\n" 18374" '32BUI',\n" 18375" 'CUSTOM', t1.rast,\n" 18376" 1, 1\n" 18377" ) AS rast\n" 18378"FROM foo t1\n" 18379"CROSS JOIN foo t2\n" 18380"WHERE t1.rid = 4\n" 18381" AND t2.rid BETWEEN 0 AND 8\n" 18382" AND ST_Intersects(t1.rast, t2.rast)\n" 18383"GROUP BY t1.rid, t1.rast" 18384 18385#. Tag: para 18386#: reference_raster.xml:7312 18387#, no-c-format 18388msgid "" 18389"Example like the prior one for tiles of a coverage with neighborhood but " 18390"works with PostgreSQL 9.0." 18391msgstr "" 18392"前の例である近隣ピクセルを併用したカバレッジのタイルに似ていますがPostgreSQL " 18393"9.0で動作します。" 18394 18395#. Tag: programlisting 18396#: reference_raster.xml:7313 18397#, no-c-format 18398msgid "" 18399"WITH src AS (\n" 18400" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18401"0, 0), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 18402" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), " 18403"1, '16BUI', 2, 0) AS rast UNION ALL\n" 18404" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, 0, 1, -1, 0, 0, 0), " 18405"1, '16BUI', 3, 0) AS rast UNION ALL\n" 18406"\n" 18407" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -2, 1, -1, 0, 0, " 18408"0), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 18409" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, " 18410"0), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 18411" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -2, 1, -1, 0, 0, " 18412"0), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 18413"\n" 18414" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -4, 1, -1, 0, 0, " 18415"0), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 18416" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -4, 1, -1, 0, 0, " 18417"0), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 18418" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -4, 1, -1, 0, 0, " 18419"0), 1, '16BUI', 300, 0) AS rast\n" 18420")\n" 18421"WITH foo AS (\n" 18422" SELECT\n" 18423" t1.rid,\n" 18424" ST_Union(t2.rast) AS rast\n" 18425" FROM src t1\n" 18426" JOIN src t2\n" 18427" ON ST_Intersects(t1.rast, t2.rast)\n" 18428" AND t2.rid BETWEEN 0 AND 8\n" 18429" WHERE t1.rid = 4\n" 18430" GROUP BY t1.rid\n" 18431"), bar AS (\n" 18432" SELECT\n" 18433" t1.rid,\n" 18434" ST_MapAlgebra(\n" 18435" ARRAY[ROW(t2.rast, 1)]::rastbandarg[],\n" 18436" 'raster_nmapalgebra_test(double precision[], int[], " 18437"text[])'::regprocedure,\n" 18438" '32BUI',\n" 18439" 'CUSTOM', t1.rast,\n" 18440" 1, 1\n" 18441" ) AS rast\n" 18442" FROM src t1\n" 18443" JOIN foo t2\n" 18444" ON t1.rid = t2.rid\n" 18445")\n" 18446"SELECT\n" 18447" rid,\n" 18448" (ST_Metadata(rast)),\n" 18449" (ST_BandMetadata(rast, 1)),\n" 18450" ST_Value(rast, 1, 1, 1)\n" 18451"FROM bar;" 18452msgstr "" 18453"WITH src AS (\n" 18454" SELECT 0 AS rid, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, " 18455"0, 0), 1, '16BUI', 1, 0) AS rast UNION ALL\n" 18456" SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), " 18457"1, '16BUI', 2, 0) AS rast UNION ALL\n" 18458" SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, 0, 1, -1, 0, 0, 0), " 18459"1, '16BUI', 3, 0) AS rast UNION ALL\n" 18460"\n" 18461" SELECT 3, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -2, 1, -1, 0, 0, " 18462"0), 1, '16BUI', 10, 0) AS rast UNION ALL\n" 18463" SELECT 4, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, " 18464"0), 1, '16BUI', 20, 0) AS rast UNION ALL\n" 18465" SELECT 5, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -2, 1, -1, 0, 0, " 18466"0), 1, '16BUI', 30, 0) AS rast UNION ALL\n" 18467"\n" 18468" SELECT 6, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -4, 1, -1, 0, 0, " 18469"0), 1, '16BUI', 100, 0) AS rast UNION ALL\n" 18470" SELECT 7, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -4, 1, -1, 0, 0, " 18471"0), 1, '16BUI', 200, 0) AS rast UNION ALL\n" 18472" SELECT 8, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -4, 1, -1, 0, 0, " 18473"0), 1, '16BUI', 300, 0) AS rast\n" 18474")\n" 18475"WITH foo AS (\n" 18476" SELECT\n" 18477" t1.rid,\n" 18478" ST_Union(t2.rast) AS rast\n" 18479" FROM src t1\n" 18480" JOIN src t2\n" 18481" ON ST_Intersects(t1.rast, t2.rast)\n" 18482" AND t2.rid BETWEEN 0 AND 8\n" 18483" WHERE t1.rid = 4\n" 18484" GROUP BY t1.rid\n" 18485"), bar AS (\n" 18486" SELECT\n" 18487" t1.rid,\n" 18488" ST_MapAlgebra(\n" 18489" ARRAY[ROW(t2.rast, 1)]::rastbandarg[],\n" 18490" 'raster_nmapalgebra_test(double precision[], int[], " 18491"text[])'::regprocedure,\n" 18492" '32BUI',\n" 18493" 'CUSTOM', t1.rast,\n" 18494" 1, 1\n" 18495" ) AS rast\n" 18496" FROM src t1\n" 18497" JOIN foo t2\n" 18498" ON t1.rid = t2.rid\n" 18499")\n" 18500"SELECT\n" 18501" rid,\n" 18502" (ST_Metadata(rast)),\n" 18503" (ST_BandMetadata(rast, 1)),\n" 18504" ST_Value(rast, 1, 1, 1)\n" 18505"FROM bar;" 18506 18507#. Tag: title 18508#: reference_raster.xml:7317 18509#, no-c-format 18510msgid "Examples: Variants 2 and 3" 18511msgstr "例: 二つ目の形式と三つ目の形式" 18512 18513#. Tag: programlisting 18514#: reference_raster.xml:7320 18515#, no-c-format 18516msgid "" 18517"WITH foo AS (\n" 18518" SELECT 1 AS rid, " 18519"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18520"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18521")\n" 18522"SELECT\n" 18523" ST_MapAlgebra(\n" 18524" rast, ARRAY[3, 1, 3, 2]::integer[],\n" 18525" 'sample_callbackfunc(double precision[], int[], text[])'::" 18526"regprocedure\n" 18527" ) AS rast\n" 18528"FROM foo" 18529msgstr "" 18530"WITH foo AS (\n" 18531" SELECT 1 AS rid, " 18532"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18533"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18534")\n" 18535"SELECT\n" 18536" ST_MapAlgebra(\n" 18537" rast, ARRAY[3, 1, 3, 2]::integer[],\n" 18538" 'sample_callbackfunc(double precision[], int[], text[])'::" 18539"regprocedure\n" 18540" ) AS rast\n" 18541"FROM foo" 18542 18543#. Tag: programlisting 18544#: reference_raster.xml:7323 18545#, no-c-format 18546msgid "" 18547"WITH foo AS (\n" 18548" SELECT 1 AS rid, " 18549"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18550"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18551")\n" 18552"SELECT\n" 18553" ST_MapAlgebra(\n" 18554" rast, 2,\n" 18555" 'sample_callbackfunc(double precision[], int[], text[])'::" 18556"regprocedure\n" 18557" ) AS rast\n" 18558"FROM foo" 18559msgstr "" 18560"WITH foo AS (\n" 18561" SELECT 1 AS rid, " 18562"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18563"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast\n" 18564")\n" 18565"SELECT\n" 18566" ST_MapAlgebra(\n" 18567" rast, 2,\n" 18568" 'sample_callbackfunc(double precision[], int[], text[])'::" 18569"regprocedure\n" 18570" ) AS rast\n" 18571"FROM foo" 18572 18573#. Tag: title 18574#: reference_raster.xml:7327 18575#, no-c-format 18576msgid "Examples: Variant 4" 18577msgstr "例: 四つ目の形式" 18578 18579#. Tag: para 18580#: reference_raster.xml:7329 18581#, no-c-format 18582msgid "Two rasters, two bands" 18583msgstr "二つのラスタ、二つのバンド" 18584 18585#. Tag: programlisting 18586#: reference_raster.xml:7330 18587#, no-c-format 18588msgid "" 18589"WITH foo AS (\n" 18590" SELECT 1 AS rid, " 18591"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18592"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast UNION " 18593"ALL\n" 18594" SELECT 2 AS rid, " 18595"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 18596"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI', 300, 0) AS rast\n" 18597")\n" 18598"SELECT\n" 18599" ST_MapAlgebra(\n" 18600" t1.rast, 2,\n" 18601" t2.rast, 1,\n" 18602" 'sample_callbackfunc(double precision[], int[], text[])'::" 18603"regprocedure\n" 18604" ) AS rast\n" 18605"FROM foo t1\n" 18606"CROSS JOIN foo t2\n" 18607"WHERE t1.rid = 1\n" 18608" AND t2.rid = 2" 18609msgstr "" 18610"WITH foo AS (\n" 18611" SELECT 1 AS rid, " 18612"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 18613"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI', 100, 0) AS rast UNION " 18614"ALL\n" 18615" SELECT 2 AS rid, " 18616"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 18617"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI', 300, 0) AS rast\n" 18618")\n" 18619"SELECT\n" 18620" ST_MapAlgebra(\n" 18621" t1.rast, 2,\n" 18622" t2.rast, 1,\n" 18623" 'sample_callbackfunc(double precision[], int[], text[])'::" 18624"regprocedure\n" 18625" ) AS rast\n" 18626"FROM foo t1\n" 18627"CROSS JOIN foo t2\n" 18628"WHERE t1.rid = 1\n" 18629" AND t2.rid = 2" 18630 18631#. Tag: title 18632#: reference_raster.xml:7335 18633#, no-c-format 18634msgid "Examples: Using Masks" 18635msgstr "例: マスクの使用" 18636 18637#. Tag: programlisting 18638#: reference_raster.xml:7336 18639#, no-c-format 18640msgid "" 18641"WITH foo AS (SELECT\n" 18642" ST_SetBandNoDataValue(\n" 18643"ST_SetValue(ST_SetValue(ST_AsRaster(\n" 18644" ST_Buffer(\n" 18645" ST_GeomFromText('LINESTRING(50 50,100 90,100 50)'), " 18646"5,'join=bevel'),\n" 18647" 200,200,ARRAY['8BUI'], ARRAY[100], ARRAY[0]), " 18648"ST_Buffer('POINT(70 70)'::geometry,10,'quad_segs=1') ,50),\n" 18649" 'LINESTRING(20 20, 100 100, 150 98)'::geometry,1),0) AS rast )\n" 18650"SELECT 'original' AS title, rast\n" 18651"FROM foo\n" 18652"UNION ALL\n" 18653"SELECT 'no mask mean value' AS title, " 18654"ST_MapAlgebra(rast,1,'ST_mean4ma(double precision[], int[], text[])'::" 18655"regprocedure) AS rast\n" 18656"FROM foo\n" 18657"UNION ALL\n" 18658"SELECT 'mask only consider neighbors, exclude center' AS title, " 18659"ST_MapAlgebra(rast,1,'ST_mean4ma(double precision[], int[], text[])'::" 18660"regprocedure,\n" 18661" '{{1,1,1}, {1,0,1}, {1,1,1}}'::double precision[], false) As rast\n" 18662"FROM foo\n" 18663"\n" 18664"UNION ALL\n" 18665"SELECT 'mask weighted only consider neighbors, exclude center multi otehr " 18666"pixel values by 2' AS title, ST_MapAlgebra(rast,1,'ST_mean4ma(double " 18667"precision[], int[], text[])'::regprocedure,\n" 18668" '{{2,2,2}, {2,0,2}, {2,2,2}}'::double precision[], true) As rast\n" 18669"FROM foo;" 18670msgstr "" 18671"WITH foo AS (SELECT\n" 18672" ST_SetBandNoDataValue(\n" 18673"ST_SetValue(ST_SetValue(ST_AsRaster(\n" 18674" ST_Buffer(\n" 18675" ST_GeomFromText('LINESTRING(50 50,100 90,100 50)'), " 18676"5,'join=bevel'),\n" 18677" 200,200,ARRAY['8BUI'], ARRAY[100], ARRAY[0]), " 18678"ST_Buffer('POINT(70 70)'::geometry,10,'quad_segs=1') ,50),\n" 18679" 'LINESTRING(20 20, 100 100, 150 98)'::geometry,1),0) AS rast )\n" 18680"SELECT 'original' AS title, rast\n" 18681"FROM foo\n" 18682"UNION ALL\n" 18683"SELECT 'no mask mean value' AS title, " 18684"ST_MapAlgebra(rast,1,'ST_mean4ma(double precision[], int[], text[])'::" 18685"regprocedure) AS rast\n" 18686"FROM foo\n" 18687"UNION ALL\n" 18688"SELECT 'mask only consider neighbors, exclude center' AS title, " 18689"ST_MapAlgebra(rast,1,'ST_mean4ma(double precision[], int[], text[])'::" 18690"regprocedure,\n" 18691" '{{1,1,1}, {1,0,1}, {1,1,1}}'::double precision[], false) As rast\n" 18692"FROM foo\n" 18693"\n" 18694"UNION ALL\n" 18695"SELECT 'mask weighted only consider neighbors, exclude center multi otehr " 18696"pixel values by 2' AS title, ST_MapAlgebra(rast,1,'ST_mean4ma(double " 18697"precision[], int[], text[])'::regprocedure,\n" 18698" '{{2,2,2}, {2,0,2}, {2,2,2}}'::double precision[], true) As rast\n" 18699"FROM foo;" 18700 18701#. Tag: para 18702#: reference_raster.xml:7350 18703#, no-c-format 18704msgid "original" 18705msgstr "original" 18706 18707#. Tag: para 18708#: reference_raster.xml:7364 18709#, no-c-format 18710msgid "no mask mean value (same as having all 1s in mask matrix)" 18711msgstr "" 18712"no mask mean value (マスクなし平均値) (マスク配列に全て1があるのと同じ)" 18713 18714#. Tag: para 18715#: reference_raster.xml:7380 18716#, no-c-format 18717msgid "mask only consider neighbors, exclude center" 18718msgstr "" 18719"mask only consider neighbors, exclude center (近隣セルのみ注目し、中心セルを" 18720"除くマスク)" 18721 18722#. Tag: para 18723#: reference_raster.xml:7394 18724#, no-c-format 18725msgid "" 18726"mask weighted only consider neighbors, exclude center multi other pixel " 18727"values by 2" 18728msgstr "" 18729"mask weighted only consider neighbors, exclude center multi other pixel " 18730"values by 2 (近隣のみ考慮に入れて中心を除き、2を掛けるウェイトマスク)" 18731 18732#. Tag: para 18733#: reference_raster.xml:7411 18734#, no-c-format 18735msgid "" 18736", <xref linkend=\"RT_ST_Union\"/>, <xref linkend=\"RT_ST_MapAlgebra_expr\"/>" 18737msgstr "" 18738", <xref linkend=\"RT_ST_Union\"/>, <xref linkend=\"RT_ST_MapAlgebra_expr\"/>" 18739 18740#. Tag: refname 18741#: reference_raster.xml:7422 18742#, fuzzy, no-c-format 18743msgid "ST_MapAlgebra (expression version)" 18744msgstr "ST_MapAlgebraExpr" 18745 18746#. Tag: refpurpose 18747#: reference_raster.xml:7423 18748#, no-c-format 18749msgid "" 18750"<refpurpose>Expression version - Returns a one-band raster given one or two " 18751"input rasters, band indexes and one or more user-specified SQL expressions.</" 18752"refpurpose>" 18753msgstr "" 18754"<refpurpose>数式版 - 一つか二つの入力ラスタ、バンド番号、一つ以上のユーザ定義" 18755"SQL式から一つのバンドを持つラスタを返します。</refpurpose>" 18756 18757#. Tag: funcsynopsis 18758#: reference_raster.xml:7429 18759#, no-c-format 18760msgid "" 18761"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18762"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 18763"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 18764"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 18765"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18766"<paramdef choice=\"opt\"><type>double precision </type> " 18767"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 18768"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18769"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 18770"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 18771"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18772"<paramdef choice=\"opt\"><type>double precision </type> " 18773"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 18774"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18775"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 18776"<paramdef><type>integer </type> <parameter>nband1</parameter></paramdef> " 18777"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 18778"<paramdef><type>integer </type> <parameter>nband2</parameter></paramdef> " 18779"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18780"<paramdef choice=\"opt\"><type>text </type> <parameter>pixeltype=NULL</" 18781"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 18782"<parameter>extenttype=INTERSECTION</parameter></paramdef> <paramdef choice=" 18783"\"opt\"><type>text </type> <parameter>nodata1expr=NULL</parameter></" 18784"paramdef> <paramdef choice=\"opt\"><type>text </type> " 18785"<parameter>nodata2expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 18786"\"><type>double precision </type> <parameter>nodatanodataval=NULL</" 18787"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 18788"<function>ST_MapAlgebra</function></funcdef> <paramdef><type>raster </type> " 18789"<parameter>rast1</parameter></paramdef> <paramdef><type>raster </type> " 18790"<parameter>rast2</parameter></paramdef> <paramdef><type>text </type> " 18791"<parameter>expression</parameter></paramdef> <paramdef choice=\"opt" 18792"\"><type>text </type> <parameter>pixeltype=NULL</parameter></paramdef> " 18793"<paramdef choice=\"opt\"><type>text </type> " 18794"<parameter>extenttype=INTERSECTION</parameter></paramdef> <paramdef choice=" 18795"\"opt\"><type>text </type> <parameter>nodata1expr=NULL</parameter></" 18796"paramdef> <paramdef choice=\"opt\"><type>text </type> " 18797"<parameter>nodata2expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 18798"\"><type>double precision </type> <parameter>nodatanodataval=NULL</" 18799"parameter></paramdef> </funcprototype>" 18800msgstr "" 18801"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18802"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 18803"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 18804"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 18805"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18806"<paramdef choice=\"opt\"><type>double precision </type> " 18807"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 18808"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18809"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 18810"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 18811"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18812"<paramdef choice=\"opt\"><type>double precision </type> " 18813"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 18814"<funcprototype> <funcdef>raster <function>ST_MapAlgebra</function></funcdef> " 18815"<paramdef><type>raster </type> <parameter>rast1</parameter></paramdef> " 18816"<paramdef><type>integer </type> <parameter>nband1</parameter></paramdef> " 18817"<paramdef><type>raster </type> <parameter>rast2</parameter></paramdef> " 18818"<paramdef><type>integer </type> <parameter>nband2</parameter></paramdef> " 18819"<paramdef><type>text </type> <parameter>expression</parameter></paramdef> " 18820"<paramdef choice=\"opt\"><type>text </type> <parameter>pixeltype=NULL</" 18821"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 18822"<parameter>extenttype=INTERSECTION</parameter></paramdef> <paramdef choice=" 18823"\"opt\"><type>text </type> <parameter>nodata1expr=NULL</parameter></" 18824"paramdef> <paramdef choice=\"opt\"><type>text </type> " 18825"<parameter>nodata2expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 18826"\"><type>double precision </type> <parameter>nodatanodataval=NULL</" 18827"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 18828"<function>ST_MapAlgebra</function></funcdef> <paramdef><type>raster </type> " 18829"<parameter>rast1</parameter></paramdef> <paramdef><type>raster </type> " 18830"<parameter>rast2</parameter></paramdef> <paramdef><type>text </type> " 18831"<parameter>expression</parameter></paramdef> <paramdef choice=\"opt" 18832"\"><type>text </type> <parameter>pixeltype=NULL</parameter></paramdef> " 18833"<paramdef choice=\"opt\"><type>text </type> " 18834"<parameter>extenttype=INTERSECTION</parameter></paramdef> <paramdef choice=" 18835"\"opt\"><type>text </type> <parameter>nodata1expr=NULL</parameter></" 18836"paramdef> <paramdef choice=\"opt\"><type>text </type> " 18837"<parameter>nodata2expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 18838"\"><type>double precision </type> <parameter>nodatanodataval=NULL</" 18839"parameter></paramdef> </funcprototype>" 18840 18841#. Tag: para 18842#: reference_raster.xml:7480 18843#, no-c-format 18844msgid "" 18845"<para>Expression version - Returns a one-band raster given one or two input " 18846"rasters, band indexes and one or more user-specified SQL expressions.</para>" 18847msgstr "" 18848"<para>数式版 - 一つか二つの入力ラスタ、バンド番号、一つ以上のユーザ定義SQL式" 18849"から一つのバンドを持つラスタを返します。</para>" 18850 18851#. Tag: title 18852#: reference_raster.xml:7488 18853#, no-c-format 18854msgid "Description: Variants 1 and 2 (one raster)" 18855msgstr "説明: 一つ目の形式と二つ目の形式 (一つのラスタ)" 18856 18857#. Tag: para 18858#: reference_raster.xml:7490 18859#, no-c-format 18860msgid "" 18861"Creates a new one band raster formed by applying a valid PostgreSQL " 18862"algebraic operation defined by the <varname>expression</varname> on the " 18863"input raster (<varname>rast</varname>). If <varname>nband</varname> is not " 18864"provided, band 1 is assumed. The new raster will have the same georeference, " 18865"width, and height as the original raster but will only have one band." 18866msgstr "" 18867"<varname>expression</varname>で定義された妥当なPostgreSQL代数演算を入力ラス" 18868"タ (<varname>rast</varname>)に適用して、一つのバンドを持つラスタを生成しま" 18869"す。<varname>nband</varname>が指定されない場合には、1番バンドと仮定します。新" 18870"しいラスタは、元のラスタと同じ地理参照、幅、高さになりますが、バンドは一つだ" 18871"けとなります。" 18872 18873#. Tag: para 18874#: reference_raster.xml:7494 reference_raster.xml:7696 18875#: reference_raster.xml:8144 18876#, no-c-format 18877msgid "" 18878"If <varname>pixeltype</varname> is passed in, then the new raster will have " 18879"a band of that pixeltype. If pixeltype is passed NULL, then the new raster " 18880"band will have the same pixeltype as the input <varname>rast</varname> band." 18881msgstr "" 18882"<varname>pixeltype</varname>が渡された場合には、新しいラスタのバンドは、その" 18883"ピクセルタイプになります。pixeltypeにNULLが渡された場合には、新しいラスタは入" 18884"力<varname>rast</varname>のバンドのピクセルタイプと同じになります。" 18885 18886#. Tag: para 18887#: reference_raster.xml:7499 18888#, no-c-format 18889msgid "Keywords permitted for <varname>expression</varname>" 18890msgstr "<varname>expression</varname>のキーワードは次の通りです。" 18891 18892#. Tag: para 18893#: reference_raster.xml:7502 18894#, no-c-format 18895msgid "<varname>[rast]</varname> - Pixel value of the pixel of interest" 18896msgstr "<varname>[rast]</varname> - 演算対象ピクセルの値" 18897 18898#. Tag: para 18899#: reference_raster.xml:7505 18900#, no-c-format 18901msgid "<varname>[rast.val]</varname> - Pixel value of the pixel of interest" 18902msgstr "<varname>[rast.val]</varname> - 演算対象ピクセルの値" 18903 18904#. Tag: para 18905#: reference_raster.xml:7508 18906#, no-c-format 18907msgid "" 18908"<varname>[rast.x]</varname> - 1-based pixel column of the pixel of interest" 18909msgstr "<varname>[rast.x]</varname> - 演算対象ピクセルの列 (1始まり)" 18910 18911#. Tag: para 18912#: reference_raster.xml:7511 18913#, no-c-format 18914msgid "" 18915"<varname>[rast.y]</varname> - 1-based pixel row of the pixel of interest" 18916msgstr "<varname>[rast.y]</varname> - 演算対象ピクセルの行 (1始まり)" 18917 18918#. Tag: title 18919#: reference_raster.xml:7520 18920#, no-c-format 18921msgid "Description: Variants 3 and 4 (two raster)" 18922msgstr "説明: 三つ目と四つ目の形式 (二つのラスタ)" 18923 18924#. Tag: para 18925#: reference_raster.xml:7522 reference_raster.xml:7816 18926#, no-c-format 18927msgid "" 18928"Creates a new one band raster formed by applying a valid PostgreSQL " 18929"algebraic operation to the two bands defined by the <varname>expression</" 18930"varname> on the two input raster bands <varname>rast1</varname>, " 18931"(<varname>rast2</varname>). If no <varname>band1</varname>, <varname>band2</" 18932"varname> is specified band 1 is assumed. The resulting raster will be " 18933"aligned (scale, skew and pixel corners) on the grid defined by the first " 18934"raster. The resulting raster will have the extent defined by the " 18935"<varname>extenttype</varname> parameter." 18936msgstr "" 18937"<varname>expression</varname>で定義された妥当な二つのバンドへのPostgreSQL代数" 18938"演算を入力ラスタ (rast1, rast2)に適用して、一つのバンドを持つラスタを生成しま" 18939"す。nband1, nband2が指定されない場合には、1番バンドと仮定します。新しいラスタ" 18940"は、一つ目のラスタと同じアラインメント (スケール、スキュー、ピクセル隅)を持ち" 18941"ます。新しいラスタは、<varname>extenttype</varname>引数で定義される範囲になり" 18942"ます。" 18943 18944#. Tag: term 18945#: reference_raster.xml:7528 reference_raster.xml:7822 18946#, no-c-format 18947msgid "expression" 18948msgstr "expression" 18949 18950#. Tag: para 18951#: reference_raster.xml:7530 reference_raster.xml:7824 18952#, no-c-format 18953msgid "" 18954"A PostgreSQL algebraic expression involving the two rasters and PostgreSQL " 18955"defined functions/operators that will define the pixel value when pixels " 18956"intersect. e.g. (([rast1] + [rast2])/2.0)::integer" 18957msgstr "" 18958"二つのラスタとPostgreSQL定義済み関数/演算子を含むPostgreSQL代数式です。関数と" 18959"演算子は、二つのピクセルがインタセクトするピクセルの値を定めます。たとえば" 18960"(([rast1] + [rast2])/2.0)::integerといったふうになります。" 18961 18962#. Tag: para 18963#: reference_raster.xml:7538 reference_raster.xml:7833 18964#, no-c-format 18965msgid "" 18966"The resulting pixel type of the output raster. Must be one listed in <xref " 18967"linkend=\"RT_ST_BandPixelType\"/>, left out or set to NULL. If not passed in " 18968"or set to NULL, will default to the pixeltype of the first raster." 18969msgstr "" 18970"出力ラスタのピクセルタイプです。必ず<xref linkend=\"RT_ST_BandPixelType\"/>に" 18971"挙げられたものの一つになるか、省略されるか、NULLに設定されます。引数として渡" 18972"されないかNULLが渡された場合には、一つ目のラスタのピクセルタイプになります。" 18973 18974#. Tag: para 18975#: reference_raster.xml:7546 reference_raster.xml:7842 18976#, no-c-format 18977msgid "Controls the extent of resulting raster" 18978msgstr "新しいラスタの範囲を制御します。" 18979 18980#. Tag: para 18981#: reference_raster.xml:7552 reference_raster.xml:7845 18982#, no-c-format 18983msgid "" 18984"<varname>INTERSECTION</varname> - The extent of the new raster is the " 18985"intersection of the two rasters. This is the default." 18986msgstr "" 18987"<varname>INTERSECTION</varname> - 新しいラスタの範囲は二つのラスタのインタセ" 18988"クトした領域です。これがデフォルトです。" 18989 18990#. Tag: para 18991#: reference_raster.xml:7557 reference_raster.xml:7850 18992#, no-c-format 18993msgid "" 18994"<varname>UNION</varname> - The extent of the new raster is the union of the " 18995"two rasters." 18996msgstr "" 18997"<varname>UNION</varname> - 新しいラスタの範囲は二つのラスタの結合です。" 18998 18999#. Tag: para 19000#: reference_raster.xml:7562 reference_raster.xml:7855 19001#, no-c-format 19002msgid "" 19003"<varname>FIRST</varname> - The extent of the new raster is the same as the " 19004"one of the first raster." 19005msgstr "" 19006"<varname>FIRST</varname> - 新しいラスタの範囲は一つ目のラスタと同じです。" 19007 19008#. Tag: para 19009#: reference_raster.xml:7567 reference_raster.xml:7860 19010#, no-c-format 19011msgid "" 19012"<varname>SECOND</varname> - The extent of the new raster is the same as the " 19013"one of the second raster." 19014msgstr "" 19015"<varname>SECOND</varname> - 新しいラスタの範囲は二つ目のラスタと同じです。" 19016 19017#. Tag: term 19018#: reference_raster.xml:7575 reference_raster.xml:7869 19019#, no-c-format 19020msgid "nodata1expr" 19021msgstr "nodata1expr" 19022 19023#. Tag: para 19024#: reference_raster.xml:7577 reference_raster.xml:7871 19025#, no-c-format 19026msgid "" 19027"An algebraic expression involving only <varname>rast2</varname> or a " 19028"constant that defines what to return when pixels of <varname>rast1</varname> " 19029"are nodata values and spatially corresponding rast2 pixels have values." 19030msgstr "" 19031"<varname>rast1</varname>がNODATA値で、特にrast2ピクセルに値がある時に、" 19032"<varname>rast2</varname>だけを返すか返すべき値を定義する定数を含む代数式で" 19033"す。" 19034 19035#. Tag: term 19036#: reference_raster.xml:7583 reference_raster.xml:7878 19037#, no-c-format 19038msgid "nodata2expr" 19039msgstr "nodata2expr" 19040 19041#. Tag: para 19042#: reference_raster.xml:7585 reference_raster.xml:7880 19043#, no-c-format 19044msgid "" 19045"An algebraic expression involving only <varname>rast1</varname> or a " 19046"constant that defines what to return when pixels of <varname>rast2</varname> " 19047"are nodata values and spatially corresponding rast1 pixels have values." 19048msgstr "" 19049"<varname>rast2</varname>がNODATA値で、特にrast2ピクセルに値がある時に、" 19050"<varname>rast1</varname>だけを返すか返すべき値を定義する定数を含む代数式で" 19051"す。" 19052 19053#. Tag: term 19054#: reference_raster.xml:7591 reference_raster.xml:7887 19055#, no-c-format 19056msgid "nodatanodataval" 19057msgstr "nodatanodataval" 19058 19059#. Tag: para 19060#: reference_raster.xml:7593 reference_raster.xml:7889 19061#, no-c-format 19062msgid "" 19063"A numeric constant to return when spatially corresponding rast1 and rast2 " 19064"pixels are both nodata values." 19065msgstr "rast1とrast2のピクセルの両方がNOADTA値になる場合に返すべき定数です。" 19066 19067#. Tag: para 19068#: reference_raster.xml:7601 19069#, no-c-format 19070msgid "" 19071"Keywords permitted in <varname>expression</varname>, <varname>nodata1expr</" 19072"varname> and <varname>nodata2expr</varname>" 19073msgstr "" 19074"有効な<varname>expression</varname>, <varname>nodata1expr</varname>, " 19075"<varname>nodata2expr</varname>のキーワードは次の通りです。" 19076 19077#. Tag: para 19078#: reference_raster.xml:7604 19079#, no-c-format 19080msgid "" 19081"<varname>[rast1]</varname> - Pixel value of the pixel of interest from " 19082"<varname>rast1</varname>" 19083msgstr "" 19084"<varname>[rast1]</varname> - <varname>rast1</varname>の演算対象ピクセルの値" 19085 19086#. Tag: para 19087#: reference_raster.xml:7607 19088#, no-c-format 19089msgid "" 19090"<varname>[rast1.val]</varname> - Pixel value of the pixel of interest from " 19091"<varname>rast1</varname>" 19092msgstr "" 19093"<varname>[rast1.val]</varname> - <varname>rast1</varname>の演算対象ピクセルの" 19094"値" 19095 19096#. Tag: para 19097#: reference_raster.xml:7610 19098#, no-c-format 19099msgid "" 19100"<varname>[rast1.x]</varname> - 1-based pixel column of the pixel of interest " 19101"from <varname>rast1</varname>" 19102msgstr "" 19103"<varname>[rast1.x]</varname> - <varname>rast1</varname>の演算対象ピクセルの" 19104"列 (1始まり)" 19105 19106#. Tag: para 19107#: reference_raster.xml:7613 19108#, no-c-format 19109msgid "" 19110"<varname>[rast1.y]</varname> - 1-based pixel row of the pixel of interest " 19111"from <varname>rast1</varname>" 19112msgstr "" 19113"<varname>[rast1.y]</varname> - <varname>rast1</varname>の演算対象ピクセルの" 19114"行 (1始まり)" 19115 19116#. Tag: para 19117#: reference_raster.xml:7616 19118#, no-c-format 19119msgid "" 19120"<varname>[rast2]</varname> - Pixel value of the pixel of interest from " 19121"<varname>rast2</varname>" 19122msgstr "" 19123"<varname>[rast2]</varname> - <varname>rast2</varname>の演算対象ピクセルの値" 19124 19125#. Tag: para 19126#: reference_raster.xml:7619 19127#, no-c-format 19128msgid "" 19129"<varname>[rast2.val]</varname> - Pixel value of the pixel of interest from " 19130"<varname>rast2</varname>" 19131msgstr "" 19132"<varname>[rast2.val]</varname> - <varname>rast2</varname>の演算対象ピクセルの" 19133"値" 19134 19135#. Tag: para 19136#: reference_raster.xml:7622 19137#, no-c-format 19138msgid "" 19139"<varname>[rast2.x]</varname> - 1-based pixel column of the pixel of interest " 19140"from <varname>rast2</varname>" 19141msgstr "" 19142"<varname>[rast2.x]</varname> - <varname>rast2</varname>の演算対象ピクセルの" 19143"列 (1始まり)" 19144 19145#. Tag: para 19146#: reference_raster.xml:7625 19147#, no-c-format 19148msgid "" 19149"<varname>[rast2.y]</varname> - 1-based pixel row of the pixel of interest " 19150"from <varname>rast2</varname>" 19151msgstr "" 19152"<varname>[rast2.y]</varname> - <varname>rast2</varname>の演算対象ピクセルの" 19153"行 (1始まり)" 19154 19155#. Tag: title 19156#: reference_raster.xml:7633 19157#, no-c-format 19158msgid "Examples: Variants 1 and 2" 19159msgstr "例: 一つ目の形式と二つ目の形式" 19160 19161#. Tag: programlisting 19162#: reference_raster.xml:7635 19163#, no-c-format 19164msgid "" 19165"WITH foo AS (\n" 19166" SELECT ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, 0, 1, 1, 0, 0, 0), " 19167"'32BF'::text, 1, -1) AS rast\n" 19168")\n" 19169"SELECT\n" 19170" ST_MapAlgebra(rast, 1, NULL, 'ceil([rast]*[rast.x]/[rast.y]+[rast." 19171"val])')\n" 19172"FROM foo;" 19173msgstr "" 19174"WITH foo AS (\n" 19175" SELECT ST_AddBand(ST_MakeEmptyRaster(10, 10, 0, 0, 1, 1, 0, 0, 0), " 19176"'32BF'::text, 1, -1) AS rast\n" 19177")\n" 19178"SELECT\n" 19179" ST_MapAlgebra(rast, 1, NULL, 'ceil([rast]*[rast.x]/[rast.y]+[rast." 19180"val])')\n" 19181"FROM foo;" 19182 19183#. Tag: title 19184#: reference_raster.xml:7639 19185#, no-c-format 19186msgid "Examples: Variant 3 and 4" 19187msgstr "例: 三つ目の形式と四つ目の形式" 19188 19189#. Tag: programlisting 19190#: reference_raster.xml:7641 19191#, no-c-format 19192msgid "" 19193"WITH foo AS (\n" 19194" SELECT 1 AS rid, " 19195"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 19196"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI'::text, 100, 0) AS rast " 19197"UNION ALL\n" 19198" SELECT 2 AS rid, " 19199"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 19200"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI'::text, 300, 0) AS rast\n" 19201")\n" 19202"SELECT\n" 19203" ST_MapAlgebra(\n" 19204" t1.rast, 2,\n" 19205" t2.rast, 1,\n" 19206" '([rast2] + [rast1.val]) / 2'\n" 19207" ) AS rast\n" 19208"FROM foo t1\n" 19209"CROSS JOIN foo t2\n" 19210"WHERE t1.rid = 1\n" 19211" AND t2.rid = 2;" 19212msgstr "" 19213"WITH foo AS (\n" 19214" SELECT 1 AS rid, " 19215"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, " 19216"0), 1, '16BUI', 1, 0), 2, '8BUI', 10, 0), 3, '32BUI'::text, 100, 0) AS rast " 19217"UNION ALL\n" 19218" SELECT 2 AS rid, " 19219"ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 1, 1, -1, 0, 0, " 19220"0), 1, '16BUI', 2, 0), 2, '8BUI', 20, 0), 3, '32BUI'::text, 300, 0) AS rast\n" 19221")\n" 19222"SELECT\n" 19223" ST_MapAlgebra(\n" 19224" t1.rast, 2,\n" 19225" t2.rast, 1,\n" 19226" '([rast2] + [rast1.val]) / 2'\n" 19227" ) AS rast\n" 19228"FROM foo t1\n" 19229"CROSS JOIN foo t2\n" 19230"WHERE t1.rid = 1\n" 19231" AND t2.rid = 2;" 19232 19233#. Tag: para 19234#: reference_raster.xml:7647 19235#, no-c-format 19236msgid ", <xref linkend=\"RT_ST_Union\"/>, <xref linkend=\"RT_ST_MapAlgebra\"/>" 19237msgstr "" 19238", <xref linkend=\"RT_ST_Union\"/>, <xref linkend=\"RT_ST_MapAlgebra\"/>" 19239 19240#. Tag: refname 19241#: reference_raster.xml:7657 reference_raster.xml:7771 19242#, no-c-format 19243msgid "ST_MapAlgebraExpr" 19244msgstr "ST_MapAlgebraExpr" 19245 19246#. Tag: refpurpose 19247#: reference_raster.xml:7658 19248#, no-c-format 19249msgid "" 19250"1 raster band version: Creates a new one band raster formed by applying a " 19251"valid PostgreSQL algebraic operation on the input raster band and of " 19252"pixeltype provided. Band 1 is assumed if no band is specified." 19253msgstr "" 19254"1バンド版: 入力バンドに対する妥当なPostgreSQL代数演算で形成された、指定したピ" 19255"クセルタイプとなる1バンドラスタを生成します。バンドを指定しない場合には、1番" 19256"を仮定します。" 19257 19258#. Tag: funcsynopsis 19259#: reference_raster.xml:7662 19260#, no-c-format 19261msgid "" 19262"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19263"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 19264"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 19265"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 19266"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19267"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 19268"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 19269"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19270"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 19271"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 19272"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19273"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 19274"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype>" 19275msgstr "" 19276"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19277"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 19278"paramdef> <paramdef><type>integer </type> <parameter>band</parameter></" 19279"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 19280"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19281"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 19282"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 19283"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19284"funcdef> <paramdef><type>raster </type> <parameter>rast</parameter></" 19285"paramdef> <paramdef><type>text </type> <parameter>pixeltype</parameter></" 19286"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19287"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 19288"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype>" 19289 19290#. Tag: para 19291#: reference_raster.xml:7687 reference_raster.xml:7811 19292#, no-c-format 19293msgid "" 19294"is deprecated as of 2.1.0. Use <xref linkend=\"RT_ST_MapAlgebra_expr\"/> " 19295"instead." 19296msgstr "" 19297"は2.1.0で非推奨になりました。代わりに<xref linkend=\"RT_ST_MapAlgebra_expr\"/" 19298"> を使います。" 19299 19300#. Tag: para 19301#: reference_raster.xml:7692 19302#, no-c-format 19303msgid "" 19304"Creates a new one band raster formed by applying a valid PostgreSQL " 19305"algebraic operation defined by the <varname>expression</varname> on the " 19306"input raster (<varname>rast</varname>). If no <varname>band</varname> is " 19307"specified band 1 is assumed. The new raster will have the same georeference, " 19308"width, and height as the original raster but will only have one band." 19309msgstr "" 19310"入力ラスタ (<varname>rast</varname>)に対して<varname>expression</varname>で定" 19311"義される妥当なPostgreSQL代数演算で形成されるラスタを返します。生成されるラス" 19312"タは指定したピクセルタイプとなる1バンドラスタです。<varname>band</varname>を" 19313"指定しない場合には、1番と仮定します。新しいラスタは、元のラスタと同じ地理参" 19314"照、幅、高さを持ちますが、一つのバンドしか持ちません。" 19315 19316#. Tag: para 19317#: reference_raster.xml:7700 19318#, no-c-format 19319msgid "" 19320"In the expression you can use the term <varname>[rast]</varname> to refer to " 19321"the pixel value of the original band, <varname>[rast.x]</varname> to refer " 19322"to the 1-based pixel column index, <varname>[rast.y]</varname> to refer to " 19323"the 1-based pixel row index." 19324msgstr "" 19325"数式の中では、<varname>[rast]</varname>で元のバンドのピクセル値を、" 19326"<varname>[rast.x]</varname>で1始まりの列番号、<varname>[rast.y]</varname>で1" 19327"始まりの行番号を、それぞれ参照することができます。" 19328 19329#. Tag: para 19330#: reference_raster.xml:7710 reference_raster.xml:7909 19331#: reference_raster.xml:8173 19332#, no-c-format 19333msgid "" 19334"Create a new 1 band raster from our original that is a function of modulo 2 " 19335"of the original raster band." 19336msgstr "" 19337"元のラスタから1バンドラスタを生成します。元のラスタバンドの値について2で割っ" 19338"た余りが入ります。" 19339 19340#. Tag: programlisting 19341#: reference_raster.xml:7711 19342#, no-c-format 19343msgid "" 19344"ALTER TABLE dummy_rast ADD COLUMN map_rast raster;\n" 19345"UPDATE dummy_rast SET map_rast = ST_MapAlgebraExpr(rast,NULL,'mod([rast]::" 19346"numeric,2)') WHERE rid = 2;\n" 19347"\n" 19348"SELECT\n" 19349" ST_Value(rast,1,i,j) As origval,\n" 19350" ST_Value(map_rast, 1, i, j) As mapval\n" 19351"FROM dummy_rast\n" 19352"CROSS JOIN generate_series(1, 3) AS i\n" 19353"CROSS JOIN generate_series(1,3) AS j\n" 19354"WHERE rid = 2;\n" 19355"\n" 19356" origval | mapval\n" 19357"---------+--------\n" 19358" 253 | 1\n" 19359" 254 | 0\n" 19360" 253 | 1\n" 19361" 253 | 1\n" 19362" 254 | 0\n" 19363" 254 | 0\n" 19364" 250 | 0\n" 19365" 254 | 0\n" 19366" 254 | 0" 19367msgstr "" 19368"ALTER TABLE dummy_rast ADD COLUMN map_rast raster;\n" 19369"UPDATE dummy_rast SET map_rast = ST_MapAlgebraExpr(rast,NULL,'mod([rast]::" 19370"numeric,2)') WHERE rid = 2;\n" 19371"\n" 19372"SELECT\n" 19373" ST_Value(rast,1,i,j) As origval,\n" 19374" ST_Value(map_rast, 1, i, j) As mapval\n" 19375"FROM dummy_rast\n" 19376"CROSS JOIN generate_series(1, 3) AS i\n" 19377"CROSS JOIN generate_series(1,3) AS j\n" 19378"WHERE rid = 2;\n" 19379"\n" 19380" origval | mapval\n" 19381"---------+--------\n" 19382" 253 | 1\n" 19383" 254 | 0\n" 19384" 253 | 1\n" 19385" 253 | 1\n" 19386" 254 | 0\n" 19387" 254 | 0\n" 19388" 250 | 0\n" 19389" 254 | 0\n" 19390" 254 | 0" 19391 19392#. Tag: para 19393#: reference_raster.xml:7713 19394#, no-c-format 19395msgid "" 19396"Create a new 1 band raster of pixel-type 2BUI from our original that is " 19397"reclassified and set the nodata value to be 0." 19398msgstr "" 19399"ピクセルタイプが2BUIの1バンドラスタを生成します。元のラスタに対して再分類を" 19400"行った値が入り、NODATA値を0に設定します。" 19401 19402#. Tag: programlisting 19403#: reference_raster.xml:7714 19404#, no-c-format 19405msgid "" 19406"ALTER TABLE dummy_rast ADD COLUMN map_rast2 raster;\n" 19407"UPDATE dummy_rast SET\n" 19408" map_rast2 = ST_MapAlgebraExpr(rast,'2BUI'::text,'CASE WHEN [rast] " 19409"BETWEEN 100 and 250 THEN 1 WHEN [rast] = 252 THEN 2 WHEN [rast] BETWEEN 253 " 19410"and 254 THEN 3 ELSE 0 END'::text, '0')\n" 19411"WHERE rid = 2;\n" 19412"\n" 19413"SELECT DISTINCT\n" 19414" ST_Value(rast,1,i,j) As origval,\n" 19415" ST_Value(map_rast2, 1, i, j) As mapval\n" 19416"FROM dummy_rast\n" 19417"CROSS JOIN generate_series(1, 5) AS i\n" 19418"CROSS JOIN generate_series(1,5) AS j\n" 19419"WHERE rid = 2;\n" 19420"\n" 19421" origval | mapval\n" 19422"---------+--------\n" 19423" 249 | 1\n" 19424" 250 | 1\n" 19425" 251 |\n" 19426" 252 | 2\n" 19427" 253 | 3\n" 19428" 254 | 3\n" 19429"\n" 19430"SELECT\n" 19431" ST_BandPixelType(map_rast2) As b1pixtyp\n" 19432"FROM dummy_rast\n" 19433"WHERE rid = 2;\n" 19434"\n" 19435" b1pixtyp\n" 19436"----------\n" 19437" 2BUI" 19438msgstr "" 19439"ALTER TABLE dummy_rast ADD COLUMN map_rast2 raster;\n" 19440"UPDATE dummy_rast SET\n" 19441" map_rast2 = ST_MapAlgebraExpr(rast,'2BUI'::text,'CASE WHEN [rast] " 19442"BETWEEN 100 and 250 THEN 1 WHEN [rast] = 252 THEN 2 WHEN [rast] BETWEEN 253 " 19443"and 254 THEN 3 ELSE 0 END'::text, '0')\n" 19444"WHERE rid = 2;\n" 19445"\n" 19446"SELECT DISTINCT\n" 19447" ST_Value(rast,1,i,j) As origval,\n" 19448" ST_Value(map_rast2, 1, i, j) As mapval\n" 19449"FROM dummy_rast\n" 19450"CROSS JOIN generate_series(1, 5) AS i\n" 19451"CROSS JOIN generate_series(1,5) AS j\n" 19452"WHERE rid = 2;\n" 19453"\n" 19454" origval | mapval\n" 19455"---------+--------\n" 19456" 249 | 1\n" 19457" 250 | 1\n" 19458" 251 |\n" 19459" 252 | 2\n" 19460" 253 | 3\n" 19461" 254 | 3\n" 19462"\n" 19463"SELECT\n" 19464" ST_BandPixelType(map_rast2) As b1pixtyp\n" 19465"FROM dummy_rast\n" 19466"WHERE rid = 2;\n" 19467"\n" 19468" b1pixtyp\n" 19469"----------\n" 19470" 2BUI" 19471 19472#. Tag: para 19473#: reference_raster.xml:7728 19474#, no-c-format 19475msgid "original (column rast_view)" 19476msgstr "元のラスタ (rast_viewカラム)" 19477 19478#. Tag: para 19479#: reference_raster.xml:7742 reference_raster.xml:8196 19480#, no-c-format 19481msgid "rast_view_ma" 19482msgstr "rast_view_ma" 19483 19484#. Tag: para 19485#: reference_raster.xml:7753 reference_raster.xml:8204 19486#, no-c-format 19487msgid "" 19488"Create a new 3 band raster same pixel type from our original 3 band raster " 19489"with first band altered by map algebra and remaining 2 bands unaltered." 19490msgstr "" 19491"新しいバンドを三つ持つラスタを生成します。元のバンドを三つ持つラスタと同じピ" 19492"クセルタイプです。1番バンドは地図代数関数によって変更され、残りの二つのバンド" 19493"は値が代わりません。" 19494 19495#. Tag: programlisting 19496#: reference_raster.xml:7754 19497#, no-c-format 19498msgid "" 19499"SELECT\n" 19500" ST_AddBand(\n" 19501" ST_AddBand(\n" 19502" ST_AddBand(\n" 19503" ST_MakeEmptyRaster(rast_view),\n" 19504" ST_MapAlgebraExpr(rast_view,1," 19505"NULL,'tan([rast])*[rast]')\n" 19506" ),\n" 19507" ST_Band(rast_view,2)\n" 19508" ),\n" 19509" ST_Band(rast_view, 3)\n" 19510" ) As rast_view_ma\n" 19511"FROM wind\n" 19512"WHERE rid=167;" 19513msgstr "" 19514"SELECT\n" 19515" ST_AddBand(\n" 19516" ST_AddBand(\n" 19517" ST_AddBand(\n" 19518" ST_MakeEmptyRaster(rast_view),\n" 19519" ST_MapAlgebraExpr(rast_view,1," 19520"NULL,'tan([rast])*[rast]')\n" 19521" ),\n" 19522" ST_Band(rast_view,2)\n" 19523" ),\n" 19524" ST_Band(rast_view, 3)\n" 19525" ) As rast_view_ma\n" 19526"FROM wind\n" 19527"WHERE rid=167;" 19528 19529#. Tag: para 19530#: reference_raster.xml:7759 19531#, no-c-format 19532msgid "" 19533", <xref linkend=\"RT_ST_MapAlgebraFct\"/>, <xref linkend=" 19534"\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference\"/>, <xref " 19535"linkend=\"RT_ST_Value\"/>" 19536msgstr "" 19537", <xref linkend=\"RT_ST_MapAlgebraFct\"/>, <xref linkend=" 19538"\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference\"/>, <xref " 19539"linkend=\"RT_ST_Value\"/>" 19540 19541#. Tag: refpurpose 19542#: reference_raster.xml:7772 19543#, no-c-format 19544msgid "" 19545"2 raster band version: Creates a new one band raster formed by applying a " 19546"valid PostgreSQL algebraic operation on the two input raster bands and of " 19547"pixeltype provided. band 1 of each raster is assumed if no band numbers are " 19548"specified. The resulting raster will be aligned (scale, skew and pixel " 19549"corners) on the grid defined by the first raster and have its extent defined " 19550"by the \"extenttype\" parameter. Values for \"extenttype\" can be: " 19551"INTERSECTION, UNION, FIRST, SECOND." 19552msgstr "" 19553"2バンド版: 二つの入力バンドに対する妥当なPostgreSQL代数演算で形成された、指定" 19554"したピクセルタイプとなる1バンドラスタを生成します。バンドを指定しない場合に" 19555"は、どちらも1番と仮定します。結果ラスタは、一つ目のラスタのアラインメント (ス" 19556"ケール、スキュー、ピクセル角位置)にあわされます。範囲は\"extenttype\"引数で定" 19557"義されます。取りうる\"extenttype\"の値はINTERSECTION, UNION, FIRST, SECONDで" 19558"す。" 19559 19560#. Tag: funcsynopsis 19561#: reference_raster.xml:7778 19562#, no-c-format 19563msgid "" 19564"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19565"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 19566"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 19567"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19568"paramdef> <paramdef choice=\"opt\"><type>text </type> " 19569"<parameter>pixeltype=same_as_rast1_band</parameter></paramdef> <paramdef " 19570"choice=\"opt\"><type>text </type> <parameter>extenttype=INTERSECTION</" 19571"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 19572"<parameter>nodata1expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 19573"\"><type>text </type> <parameter>nodata2expr=NULL</parameter></paramdef> " 19574"<paramdef choice=\"opt\"><type>double precision </type> " 19575"<parameter>nodatanodataval=NULL</parameter></paramdef> </funcprototype> " 19576"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19577"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 19578"paramdef> <paramdef><type>integer </type> <parameter>band1</parameter></" 19579"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 19580"paramdef> <paramdef><type>integer </type> <parameter>band2</parameter></" 19581"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19582"paramdef> <paramdef choice=\"opt\"><type>text </type> " 19583"<parameter>pixeltype=same_as_rast1_band</parameter></paramdef> <paramdef " 19584"choice=\"opt\"><type>text </type> <parameter>extenttype=INTERSECTION</" 19585"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 19586"<parameter>nodata1expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 19587"\"><type>text </type> <parameter>nodata2expr=NULL</parameter></paramdef> " 19588"<paramdef choice=\"opt\"><type>double precision </type> " 19589"<parameter>nodatanodataval=NULL</parameter></paramdef> </funcprototype>" 19590msgstr "" 19591"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19592"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 19593"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 19594"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19595"paramdef> <paramdef choice=\"opt\"><type>text </type> " 19596"<parameter>pixeltype=same_as_rast1_band</parameter></paramdef> <paramdef " 19597"choice=\"opt\"><type>text </type> <parameter>extenttype=INTERSECTION</" 19598"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 19599"<parameter>nodata1expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 19600"\"><type>text </type> <parameter>nodata2expr=NULL</parameter></paramdef> " 19601"<paramdef choice=\"opt\"><type>double precision </type> " 19602"<parameter>nodatanodataval=NULL</parameter></paramdef> </funcprototype> " 19603"<funcprototype> <funcdef>raster <function>ST_MapAlgebraExpr</function></" 19604"funcdef> <paramdef><type>raster </type> <parameter>rast1</parameter></" 19605"paramdef> <paramdef><type>integer </type> <parameter>band1</parameter></" 19606"paramdef> <paramdef><type>raster </type> <parameter>rast2</parameter></" 19607"paramdef> <paramdef><type>integer </type> <parameter>band2</parameter></" 19608"paramdef> <paramdef><type>text </type> <parameter>expression</parameter></" 19609"paramdef> <paramdef choice=\"opt\"><type>text </type> " 19610"<parameter>pixeltype=same_as_rast1_band</parameter></paramdef> <paramdef " 19611"choice=\"opt\"><type>text </type> <parameter>extenttype=INTERSECTION</" 19612"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 19613"<parameter>nodata1expr=NULL</parameter></paramdef> <paramdef choice=\"opt" 19614"\"><type>text </type> <parameter>nodata2expr=NULL</parameter></paramdef> " 19615"<paramdef choice=\"opt\"><type>double precision </type> " 19616"<parameter>nodatanodataval=NULL</parameter></paramdef> </funcprototype>" 19617 19618#. Tag: para 19619#: reference_raster.xml:7896 19620#, no-c-format 19621msgid "" 19622"If <varname>pixeltype</varname> is passed in, then the new raster will have " 19623"a band of that pixeltype. If pixeltype is passed NULL or no pixel type " 19624"specified, then the new raster band will have the same pixeltype as the " 19625"input <varname>rast1</varname> band." 19626msgstr "" 19627"<varname>pixeltype</varname>が渡された場合には、新しいラスタは、指定されたピ" 19628"クセルタイプのバンドを持ちます。pixeltypeとしてNULLが渡されたりピクセルタイプ" 19629"を指定しない場合には、新しいラスタは<varname>rast1</varname>と同じピクセルタ" 19630"イプになります。" 19631 19632#. Tag: para 19633#: reference_raster.xml:7899 19634#, no-c-format 19635msgid "" 19636"Use the term <varname>[rast1.val]</varname> <varname>[rast2.val]</varname> " 19637"to refer to the pixel value of the original raster bands and <varname>[rast1." 19638"x]</varname>, <varname>[rast1.y]</varname> etc. to refer to the column / row " 19639"positions of the pixels." 19640msgstr "" 19641"数式の中で使える語は、元バンドのピクセル値を参照する <varname>[rast1.val]</" 19642"varname>, <varname>[rast2.val]</varname>、1始まりの列/行インデクスを参照する" 19643"<varname>[rast1.x]</varname>, <varname>[rast1.y]</varname>などです。" 19644 19645#. Tag: title 19646#: reference_raster.xml:7907 19647#, no-c-format 19648msgid "Example: 2 Band Intersection and Union" 19649msgstr "例: 2バンドの共有と結合" 19650 19651#. Tag: programlisting 19652#: reference_raster.xml:7910 19653#, no-c-format 19654msgid "" 19655"--Create a cool set of rasters --\n" 19656"DROP TABLE IF EXISTS fun_shapes;\n" 19657"CREATE TABLE fun_shapes(rid serial PRIMARY KEY, fun_name text, rast " 19658"raster);\n" 19659"\n" 19660"-- Insert some cool shapes around Boston in Massachusetts state plane meters " 19661"--\n" 19662"INSERT INTO fun_shapes(fun_name, rast)\n" 19663"VALUES ('ref', ST_AsRaster(ST_MakeEnvelope(235229, 899970, 237229, " 19664"901930,26986),200,200,'8BUI',0,0));\n" 19665"\n" 19666"INSERT INTO fun_shapes(fun_name,rast)\n" 19667"WITH ref(rast) AS (SELECT rast FROM fun_shapes WHERE fun_name = 'ref' )\n" 19668"SELECT 'area' AS fun_name, ST_AsRaster(ST_Buffer(ST_SetSRID(ST_Point(236229, " 19669"900930),26986), 1000),\n" 19670" ref.rast,'8BUI', 10, 0) As rast\n" 19671"FROM ref\n" 19672"UNION ALL\n" 19673"SELECT 'rand bubbles',\n" 19674" ST_AsRaster(\n" 19675" (SELECT ST_Collect(geom)\n" 19676" FROM (SELECT ST_Buffer(ST_SetSRID(ST_Point(236229 + i*random()*100, " 19677"900930 + j*random()*100),26986), random()*20) As geom\n" 19678" FROM generate_series(1,10) As i, " 19679"generate_series(1,10) As j\n" 19680" ) As foo ), ref.rast,'8BUI', 200, 0)\n" 19681"FROM ref;\n" 19682"\n" 19683"--map them -\n" 19684"SELECT ST_MapAlgebraExpr(\n" 19685" area.rast, bub.rast, '[rast2.val]', '8BUI', 'INTERSECTION', " 19686"'[rast2.val]', '[rast1.val]') As interrast,\n" 19687" ST_MapAlgebraExpr(\n" 19688" area.rast, bub.rast, '[rast2.val]', '8BUI', 'UNION', " 19689"'[rast2.val]', '[rast1.val]') As unionrast\n" 19690"FROM\n" 19691" (SELECT rast FROM fun_shapes WHERE\n" 19692" fun_name = 'area') As area\n" 19693"CROSS JOIN (SELECT rast\n" 19694"FROM fun_shapes WHERE\n" 19695" fun_name = 'rand bubbles') As bub" 19696msgstr "" 19697"-- ラスタの集合の生成 --\n" 19698"DROP TABLE IF EXISTS fun_shapes;\n" 19699"CREATE TABLE fun_shapes(rid serial PRIMARY KEY, fun_name text, rast " 19700"raster);\n" 19701"\n" 19702"-- 空間参照系をメートル単位のマサチューセッツ平面として、ボストンのまわりの形" 19703"状を挿入 --\n" 19704"INSERT INTO fun_shapes(fun_name, rast)\n" 19705"VALUES ('ref', ST_AsRaster(ST_MakeEnvelope(235229, 899970, 237229, " 19706"901930,26986),200,200,'8BUI',0,0));\n" 19707"\n" 19708"INSERT INTO fun_shapes(fun_name,rast)\n" 19709"WITH ref(rast) AS (SELECT rast FROM fun_shapes WHERE fun_name = 'ref' )\n" 19710"SELECT 'area' AS fun_name, ST_AsRaster(ST_Buffer(ST_SetSRID(ST_Point(236229, " 19711"900930),26986), 1000),\n" 19712" ref.rast,'8BUI', 10, 0) As rast\n" 19713"FROM ref\n" 19714"UNION ALL\n" 19715"SELECT 'rand bubbles',\n" 19716" ST_AsRaster(\n" 19717" (SELECT ST_Collect(geom)\n" 19718" FROM (SELECT ST_Buffer(ST_SetSRID(ST_Point(236229 + i*random()*100, " 19719"900930 + j*random()*100),26986), random()*20) As geom\n" 19720" FROM generate_series(1,10) As i, " 19721"generate_series(1,10) As j\n" 19722" ) As foo ), ref.rast,'8BUI', 200, 0)\n" 19723"FROM ref;\n" 19724"\n" 19725"-- 共有と結合の生成 --\n" 19726"SELECT ST_MapAlgebraExpr(\n" 19727" area.rast, bub.rast, '[rast2.val]', '8BUI', 'INTERSECTION', " 19728"'[rast2.val]', '[rast1.val]') As interrast,\n" 19729" ST_MapAlgebraExpr(\n" 19730" area.rast, bub.rast, '[rast2.val]', '8BUI', 'UNION', " 19731"'[rast2.val]', '[rast1.val]') As unionrast\n" 19732"FROM\n" 19733" (SELECT rast FROM fun_shapes WHERE\n" 19734" fun_name = 'area') As area\n" 19735"CROSS JOIN (SELECT rast\n" 19736"FROM fun_shapes WHERE\n" 19737" fun_name = 'rand bubbles') As bub" 19738 19739#. Tag: para 19740#: reference_raster.xml:7924 19741#, no-c-format 19742msgid "mapalgebra intersection" 19743msgstr "インタセクションの場合" 19744 19745#. Tag: para 19746#: reference_raster.xml:7938 19747#, no-c-format 19748msgid "map algebra union" 19749msgstr "結合の場合" 19750 19751#. Tag: title 19752#: reference_raster.xml:7951 reference_raster.xml:8290 19753#, no-c-format 19754msgid "Example: Overlaying rasters on a canvas as separate bands" 19755msgstr "例: 別個のバンドとしてキャンバス上にラスタをオーバレイする" 19756 19757#. Tag: programlisting 19758#: reference_raster.xml:7952 19759#, no-c-format 19760msgid "" 19761"-- we use ST_AsPNG to render the image so all single band ones look grey --\n" 19762"WITH mygeoms\n" 19763" AS ( SELECT 2 As bnum, ST_Buffer(ST_Point(1,5),10) As geom\n" 19764" UNION ALL\n" 19765" SELECT 3 AS bnum,\n" 19766" ST_Buffer(ST_GeomFromText('LINESTRING(50 50,150 150,150 " 19767"50)'), 10,'join=bevel') As geom\n" 19768" UNION ALL\n" 19769" SELECT 1 As bnum,\n" 19770" ST_Buffer(ST_GeomFromText('LINESTRING(60 50,150 150,150 " 19771"50)'), 5,'join=bevel') As geom\n" 19772" ),\n" 19773" -- define our canvas to be 1 to 1 pixel to geometry\n" 19774" canvas\n" 19775" AS (SELECT ST_AddBand(ST_MakeEmptyRaster(200,\n" 19776" 200,\n" 19777" ST_XMin(e)::integer, ST_YMax(e)::integer, 1, -1, 0, 0) , '8BUI'::" 19778"text,0) As rast\n" 19779" FROM (SELECT ST_Extent(geom) As e,\n" 19780" Max(ST_SRID(geom)) As srid\n" 19781" from mygeoms\n" 19782" ) As foo\n" 19783" ),\n" 19784" rbands AS (SELECT ARRAY(SELECT ST_MapAlgebraExpr(canvas.rast, " 19785"ST_AsRaster(m.geom, canvas.rast, '8BUI', 100),\n" 19786" '[rast2.val]', '8BUI', 'FIRST', '[rast2.val]', '[rast1." 19787"val]') As rast\n" 19788" FROM mygeoms AS m CROSS JOIN canvas\n" 19789" ORDER BY m.bnum) As rasts\n" 19790" )\n" 19791" SELECT rasts[1] As rast1 , rasts[2] As rast2, rasts[3] As rast3, " 19792"ST_AddBand(\n" 19793" ST_AddBand(rasts[1],rasts[2]), rasts[3]) As final_rast\n" 19794" FROM rbands;" 19795msgstr "" 19796"-- ST_AsPNGを使って1バンドで灰色に見える画像を作成します --\n" 19797"WITH mygeoms \n" 19798" AS ( SELECT 2 As bnum, ST_Buffer(ST_Point(1,5),10) As geom\n" 19799" UNION ALL\n" 19800" SELECT 3 AS bnum, \n" 19801" ST_Buffer(ST_GeomFromText('LINESTRING(50 50,150 150,150 " 19802"50)'), 10,'join=bevel') As geom\n" 19803" UNION ALL\n" 19804" SELECT 1 As bnum, \n" 19805" ST_Buffer(ST_GeomFromText('LINESTRING(60 50,150 150,150 " 19806"50)'), 5,'join=bevel') As geom\n" 19807" ),\n" 19808" -- ジオメトリと1対1に対応するキャンバスを定義\n" 19809" canvas\n" 19810" AS (SELECT ST_AddBand(ST_MakeEmptyRaster(200, \n" 19811" 200, \n" 19812" ST_XMin(e)::integer, ST_YMax(e)::integer, 1, -1, 0, 0) , '8BUI'::" 19813"text,0) As rast\n" 19814" FROM (SELECT ST_Extent(geom) As e,\n" 19815" Max(ST_SRID(geom)) As srid \n" 19816" from mygeoms \n" 19817" ) As foo\n" 19818" ),\n" 19819" rbands AS (SELECT ARRAY(SELECT ST_MapAlgebraExpr(canvas.rast, " 19820"ST_AsRaster(m.geom, canvas.rast, '8BUI', 100),\n" 19821" '[rast2.val]', '8BUI', 'FIRST', '[rast2.val]', '[rast1." 19822"val]') As rast\n" 19823" FROM mygeoms AS m CROSS JOIN canvas\n" 19824" ORDER BY m.bnum) As rasts\n" 19825" )\n" 19826" SELECT rasts[1] As rast1 , rasts[2] As rast2, rasts[3] As rast3, " 19827"ST_AddBand(\n" 19828" ST_AddBand(rasts[1],rasts[2]), rasts[3]) As final_rast\n" 19829" FROM rbands;" 19830 19831#. Tag: para 19832#: reference_raster.xml:7965 19833#, no-c-format 19834msgid "rast1" 19835msgstr "rast1" 19836 19837#. Tag: para 19838#: reference_raster.xml:7978 19839#, no-c-format 19840msgid "rast2" 19841msgstr "rast2" 19842 19843#. Tag: para 19844#: reference_raster.xml:7994 19845#, no-c-format 19846msgid "rast3" 19847msgstr "rast3" 19848 19849#. Tag: para 19850#: reference_raster.xml:8008 19851#, no-c-format 19852msgid "final_rast" 19853msgstr "final_rast" 19854 19855#. Tag: title 19856#: reference_raster.xml:8021 19857#, no-c-format 19858msgid "" 19859"Example: Overlay 2 meter boundary of select parcels over an aerial imagery" 19860msgstr "例: 選択した区画の2メートル幅境界線を空中写真にオーバレイする" 19861 19862#. Tag: programlisting 19863#: reference_raster.xml:8023 19864#, no-c-format 19865msgid "" 19866"-- Create new 3 band raster composed of first 2 clipped bands, and overlay " 19867"of 3rd band with our geometry\n" 19868"-- This query took 3.6 seconds on PostGIS windows 64-bit install\n" 19869"WITH pr AS\n" 19870"-- Note the order of operation: we clip all the rasters to dimensions of our " 19871"region\n" 19872"(SELECT ST_Clip(rast,ST_Expand(geom,50) ) As rast, g.geom\n" 19873" FROM aerials.o_2_boston AS r INNER JOIN\n" 19874"-- union our parcels of interest so they form a single geometry we can later " 19875"intersect with\n" 19876" (SELECT ST_Union(ST_Transform(the_geom,26986)) AS geom\n" 19877" FROM landparcels WHERE pid IN('0303890000', '0303900000')) " 19878"As g\n" 19879" ON ST_Intersects(rast::geometry, ST_Expand(g.geom,50))\n" 19880"),\n" 19881"-- we then union the raster shards together\n" 19882"-- ST_Union on raster is kinda of slow but much faster the smaller you can " 19883"get the rasters\n" 19884"-- therefore we want to clip first and then union\n" 19885"prunion AS\n" 19886"(SELECT ST_AddBand(NULL, ARRAY[ST_Union(rast,1),ST_Union(rast,2)," 19887"ST_Union(rast,3)] ) As clipped,geom\n" 19888"FROM pr\n" 19889"GROUP BY geom)\n" 19890"-- return our final raster which is the unioned shard with\n" 19891"-- with the overlay of our parcel boundaries\n" 19892"-- add first 2 bands, then mapalgebra of 3rd band + geometry\n" 19893"SELECT ST_AddBand(ST_Band(clipped,ARRAY[1,2])\n" 19894" , ST_MapAlgebraExpr(ST_Band(clipped,3), " 19895"ST_AsRaster(ST_Buffer(ST_Boundary(geom),2),clipped, '8BUI',250),\n" 19896" '[rast2.val]', '8BUI', 'FIRST', '[rast2.val]', '[rast1.val]') ) As " 19897"rast\n" 19898"FROM prunion;" 19899msgstr "" 19900"-- 前二つの切り取ったバンドと\n" 19901"-- 3番バンドにジオメトリをオーバレイしたバンドからなる\n" 19902"-- 3バンドのラスタを生成します\n" 19903"-- このクエリはWindows 64ビット版のPostGISで3.6秒かかりました\n" 19904"WITH pr AS\n" 19905"-- 演算の順序の注意: 全てのラスタを必要なピクセル範囲に切り抜いています\n" 19906"(SELECT ST_Clip(rast,ST_Expand(geom,50) ) As rast, g.geom\n" 19907" FROM aerials.o_2_boston AS r INNER JOIN\n" 19908"-- union our parcels of interest so they form a single geometry we can later " 19909"intersect with\n" 19910" (SELECT ST_Union(ST_Transform(the_geom,26986)) AS geom\n" 19911" FROM landparcels WHERE pid IN('0303890000', '0303900000')) " 19912"As g\n" 19913" ON ST_Intersects(rast::geometry, ST_Expand(g.geom,50))\n" 19914"),\n" 19915"-- ラスタの破片を結合します\n" 19916"-- ラスタのST_Unionは非常に遅いですがラスタを小さくすれば速度が上がります\n" 19917"-- 先に切り出しておいてから結合しているのはこのためです\n" 19918"prunion AS\n" 19919"(SELECT ST_AddBand(NULL, ARRAY[ST_Union(rast,1),ST_Union(rast,2)," 19920"ST_Union(rast,3)] ) As clipped,geom\n" 19921"FROM pr\n" 19922"GROUP BY geom)\n" 19923"-- ラスタの破片を結合し、区画境界線のオーバレイも持った\n" 19924"-- 最終のラスタを返します\n" 19925"-- 最初の二つのバンドと3番バンド+ジオメトリの地図代数関数とを追加します\n" 19926"\n" 19927"SELECT ST_AddBand(ST_Band(clipped,ARRAY[1,2])\n" 19928" , ST_MapAlgebraExpr(ST_Band(clipped,3), " 19929"ST_AsRaster(ST_Buffer(ST_Boundary(geom),2),clipped, '8BUI',250),\n" 19930" '[rast2.val]', '8BUI', 'FIRST', '[rast2.val]', '[rast1.val]') ) As " 19931"rast\n" 19932"FROM prunion;" 19933 19934#. Tag: para 19935#: reference_raster.xml:8037 19936#, no-c-format 19937msgid "The blue lines are the boundaries of select parcels" 19938msgstr "青線が対象区画の境界です" 19939 19940#. Tag: para 19941#: reference_raster.xml:8051 19942#, no-c-format 19943msgid "" 19944", <xref linkend=\"RT_ST_AddBand\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, <xref " 19945"linkend=\"RT_ST_AsRaster\"/>, <xref linkend=\"RT_ST_MapAlgebraFct\"/>, <xref " 19946"linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference\"/>, " 19947"<xref linkend=\"RT_ST_Value\"/>, <xref linkend=\"RT_ST_Union\"/>, <xref " 19948"linkend=\"ST_Union\"/>" 19949msgstr "" 19950", <xref linkend=\"RT_ST_AddBand\"/>, <xref linkend=\"RT_ST_AsPNG\"/>, <xref " 19951"linkend=\"RT_ST_AsRaster\"/>, <xref linkend=\"RT_ST_MapAlgebraFct\"/>, <xref " 19952"linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference\"/>, " 19953"<xref linkend=\"RT_ST_Value\"/>, <xref linkend=\"RT_ST_Union\"/>, <xref " 19954"linkend=\"ST_Union\"/>" 19955 19956#. Tag: refname 19957#: reference_raster.xml:8068 reference_raster.xml:8221 19958#, no-c-format 19959msgid "ST_MapAlgebraFct" 19960msgstr "ST_MapAlgebraFct" 19961 19962#. Tag: refpurpose 19963#: reference_raster.xml:8069 19964#, no-c-format 19965msgid "" 19966"1 band version - Creates a new one band raster formed by applying a valid " 19967"PostgreSQL function on the input raster band and of pixeltype prodived. Band " 19968"1 is assumed if no band is specified." 19969msgstr "" 19970"1バンド版 - 入力バンドに対する妥当なPostgreSQL関数で形成された、指定したピク" 19971"セルタイプとなる1バンドラスタを生成します。バンドを指定しない場合には、1番と" 19972"仮定します。" 19973 19974#. Tag: funcsynopsis 19975#: reference_raster.xml:8073 19976#, no-c-format 19977msgid "" 19978"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 19979"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 19980"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 19981"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 19982"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 19983"type> <parameter>rast</parameter></paramdef> <paramdef><type>regprocedure</" 19984"type> <parameter>onerasteruserfunc</parameter></paramdef> " 19985"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 19986"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 19987"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 19988"type> <parameter>rast</parameter></paramdef> <paramdef><type>text</type> " 19989"<parameter>pixeltype</parameter></paramdef> <paramdef><type>regprocedure</" 19990"type> <parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 19991"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 19992"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 19993"paramdef> <paramdef><type>text</type> <parameter>pixeltype</parameter></" 19994"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 19995"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 19996"args</parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 19997"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 19998"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer</type> " 19999"<parameter>band</parameter></paramdef> <paramdef><type>regprocedure</type> " 20000"<parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 20001"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20002"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20003"paramdef> <paramdef><type>integer</type> <parameter>band</parameter></" 20004"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20005"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 20006"args</parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20007"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20008"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer</type> " 20009"<parameter>band</parameter></paramdef> <paramdef><type>text</type> " 20010"<parameter>pixeltype</parameter></paramdef> <paramdef><type>regprocedure</" 20011"type> <parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 20012"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20013"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20014"paramdef> <paramdef><type>integer</type> <parameter>band</parameter></" 20015"paramdef> <paramdef><type>text</type> <parameter>pixeltype</parameter></" 20016"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20017"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 20018"args</parameter></paramdef> </funcprototype>" 20019msgstr "" 20020"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20021"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20022"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20023"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20024"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20025"type> <parameter>rast</parameter></paramdef> <paramdef><type>regprocedure</" 20026"type> <parameter>onerasteruserfunc</parameter></paramdef> " 20027"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 20028"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20029"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20030"type> <parameter>rast</parameter></paramdef> <paramdef><type>text</type> " 20031"<parameter>pixeltype</parameter></paramdef> <paramdef><type>regprocedure</" 20032"type> <parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 20033"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20034"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20035"paramdef> <paramdef><type>text</type> <parameter>pixeltype</parameter></" 20036"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20037"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 20038"args</parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20039"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20040"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer</type> " 20041"<parameter>band</parameter></paramdef> <paramdef><type>regprocedure</type> " 20042"<parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 20043"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20044"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20045"paramdef> <paramdef><type>integer</type> <parameter>band</parameter></" 20046"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20047"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 20048"args</parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20049"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20050"type> <parameter>rast</parameter></paramdef> <paramdef><type>integer</type> " 20051"<parameter>band</parameter></paramdef> <paramdef><type>text</type> " 20052"<parameter>pixeltype</parameter></paramdef> <paramdef><type>regprocedure</" 20053"type> <parameter>onerasteruserfunc</parameter></paramdef> </funcprototype> " 20054"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20055"funcdef> <paramdef><type>raster</type> <parameter>rast</parameter></" 20056"paramdef> <paramdef><type>integer</type> <parameter>band</parameter></" 20057"paramdef> <paramdef><type>text</type> <parameter>pixeltype</parameter></" 20058"paramdef> <paramdef><type>regprocedure</type> <parameter>onerasteruserfunc</" 20059"parameter></paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC " 20060"args</parameter></paramdef> </funcprototype>" 20061 20062#. Tag: para 20063#: reference_raster.xml:8137 reference_raster.xml:8255 20064#: reference_raster.xml:8368 20065#, no-c-format 20066msgid "" 20067"is deprecated as of 2.1.0. Use <xref linkend=\"RT_ST_MapAlgebra\"/> instead." 20068msgstr "" 20069"は2.1.0で非推奨になりました。代わりに<xref linkend=\"RT_ST_MapAlgebra\"/>を使" 20070"います。" 20071 20072#. Tag: para 20073#: reference_raster.xml:8142 20074#, no-c-format 20075msgid "" 20076"Creates a new one band raster formed by applying a valid PostgreSQL function " 20077"specified by the <varname>onerasteruserfunc</varname> on the input raster " 20078"(<varname>rast</varname>). If no <varname>band</varname> is specified, band " 20079"1 is assumed. The new raster will have the same georeference, width, and " 20080"height as the original raster but will only have one band." 20081msgstr "" 20082"入力ラスタ (<varname>rast</varname>)に対して<varname>onerasteruserfunc</" 20083"varname>で指定される妥当なPostgreSQL関数で形成されたラスタを返します。生成さ" 20084"れるラスタは指定したピクセルタイプとなる1バンドラスタです。<varname>band</" 20085"varname>を指定しない場合には、1番と仮定します。新しいラスタは、元のラスタと同" 20086"じ地理参照、幅、高さを持ちますが、一つのバンドしか持ちません。" 20087 20088#. Tag: para 20089#: reference_raster.xml:8146 20090#, no-c-format 20091msgid "" 20092"The <varname>onerasteruserfunc</varname> parameter must be the name and " 20093"signature of a SQL or PL/pgSQL function, cast to a regprocedure. A very " 20094"simple and quite useless PL/pgSQL function example is: " 20095"<programlisting>CREATE OR REPLACE FUNCTION simple_function(pixel FLOAT, pos " 20096"INTEGER[], VARIADIC args TEXT[])\n" 20097" RETURNS FLOAT\n" 20098" AS $$ BEGIN\n" 20099" RETURN 0.0;\n" 20100" END; $$\n" 20101" LANGUAGE 'plpgsql' IMMUTABLE;</programlisting> The " 20102"<varname>userfunction</varname> may accept two or three arguments: a float " 20103"value, an optional integer array, and a variadic text array. The first " 20104"argument is the value of an individual raster cell (regardless of the raster " 20105"datatype). The second argument is the position of the current processing " 20106"cell in the form '{x,y}'. The third argument indicates that all remaining " 20107"parameters to <xref linkend=\"RT_ST_MapAlgebraFct\"/> shall be passed " 20108"through to the <varname>userfunction</varname>." 20109msgstr "" 20110"<varname>onerasteruserfunc</varname>引数は SQL関数またはPL/pgSQL関数のシグネ" 20111"チャで、regprocedureにキャストします。大変単純で本当に使えないPL/pgSQL関数の" 20112"例を挙げます。<programlisting>CREATE OR REPLACE FUNCTION " 20113"simple_function(pixel FLOAT, pos INTEGER[], VARIADIC args TEXT[])\n" 20114" RETURNS FLOAT\n" 20115" AS $$ BEGIN\n" 20116" RETURN 0.0;\n" 20117" END; $$\n" 20118" LANGUAGE 'plpgsql' IMMUTABLE;</programlisting> <varname>userfunction</" 20119"varname>は、2または3の引数を受け付けます。すなわち、float8値、任意の整数配" 20120"列、VARIADIC文字列配列です。第1引数はラスタセルごとの値です (ラスタのデータ型" 20121"に関係なく)。第2引数は現在の処理セルの位置で、'{x,y}'であらわされます。第3引" 20122"数は、<xref linkend=\"RT_ST_MapAlgebraFct\"/>へのパラメータの残っているもの全" 20123"てが<varname>userfunction</varname>に渡されることを示します" 20124 20125#. Tag: para 20126#: reference_raster.xml:8151 20127#, no-c-format 20128msgid "" 20129"Passing a <type>regprodedure</type> argument to a SQL function requires the " 20130"full function signature to be passed, then cast to a <type>regprocedure</" 20131"type> type. To pass the above example PL/pgSQL function as an argument, the " 20132"SQL for the argument is:<programlisting>'simple_function(float,integer[]," 20133"text[])'::regprocedure</programlisting>Note that the argument contains the " 20134"name of the function, the types of the function arguments, quotes around the " 20135"name and argument types, and a cast to a <type>regprocedure</type>." 20136msgstr "" 20137"<type>regprodedure</type>引数をSQL関数に渡す際は完全な関数シグネチャと" 20138"<type>regprocedure</type>型へのキャストが求められます。 上のPL/pgSQL関数を引" 20139"数に取るには、引数のSQLは次のようにします。" 20140"<programlisting>'simple_function(float,integer[],text[])'::regprocedure</" 20141"programlisting> 引数は関数名と引数の型を含み、関数名と引数を引用符で括り、か" 20142"つ<type>regprocedure</type>にキャストする点に注意が必要です。" 20143 20144#. Tag: para 20145#: reference_raster.xml:8155 20146#, no-c-format 20147msgid "" 20148"The third argument to the <varname>userfunction</varname> is a " 20149"<type>variadic text</type> array. All trailing text arguments to any <xref " 20150"linkend=\"RT_ST_MapAlgebraFct\"/> call are passed through to the specified " 20151"<varname>userfunction</varname>, and are contained in the <varname>args</" 20152"varname> argument." 20153msgstr "" 20154"<varname>userfunction</varname>の第3引数は<type>variadic text</type>配列で" 20155"す。どの<xref linkend=\"RT_ST_MapAlgebraFct\"/>にもついてくる全ての文字列引数" 20156"は、指定された<varname>userfunction</varname>に、そのまま渡されて、" 20157"<varname>args</varname>引数内に入ります。" 20158 20159#. Tag: para 20160#: reference_raster.xml:8164 20161#, no-c-format 20162msgid "" 20163"The <type>text[]</type> argument to the <varname>userfunction</varname> is " 20164"required, regardless of whether you choose to pass any arguments to your " 20165"user function for processing or not." 20166msgstr "" 20167"<varname>userfunction</varname>への<type>text[]</type>引数は、あらゆる引数を" 20168"処理のためにユーザ関数に渡すかどうかの選択にかかわらず求められます。" 20169 20170#. Tag: programlisting 20171#: reference_raster.xml:8174 20172#, no-c-format 20173msgid "" 20174"ALTER TABLE dummy_rast ADD COLUMN map_rast raster;\n" 20175"CREATE FUNCTION mod_fct(pixel float, pos integer[], variadic args text[])\n" 20176"RETURNS float\n" 20177"AS $$\n" 20178"BEGIN\n" 20179" RETURN pixel::integer % 2;\n" 20180"END;\n" 20181"$$\n" 20182"LANGUAGE 'plpgsql' IMMUTABLE;\n" 20183"\n" 20184"UPDATE dummy_rast SET map_rast = ST_MapAlgebraFct(rast,NULL,'mod_fct(float," 20185"integer[],text[])'::regprocedure) WHERE rid = 2;\n" 20186"\n" 20187"SELECT ST_Value(rast,1,i,j) As origval, ST_Value(map_rast, 1, i, j) As " 20188"mapval\n" 20189"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 20190"generate_series(1,3) AS j\n" 20191"WHERE rid = 2;\n" 20192"\n" 20193" origval | mapval\n" 20194"---------+--------\n" 20195" 253 | 1\n" 20196" 254 | 0\n" 20197" 253 | 1\n" 20198" 253 | 1\n" 20199" 254 | 0\n" 20200" 254 | 0\n" 20201" 250 | 0\n" 20202" 254 | 0\n" 20203" 254 | 0" 20204msgstr "" 20205"ALTER TABLE dummy_rast ADD COLUMN map_rast raster;\n" 20206"CREATE FUNCTION mod_fct(pixel float, pos integer[], variadic args text[])\n" 20207"RETURNS float\n" 20208"AS $$\n" 20209"BEGIN\n" 20210" RETURN pixel::integer % 2;\n" 20211"END;\n" 20212"$$\n" 20213"LANGUAGE 'plpgsql' IMMUTABLE;\n" 20214"\n" 20215"UPDATE dummy_rast SET map_rast = ST_MapAlgebraFct(rast,NULL,'mod_fct(float," 20216"integer[],text[])'::regprocedure) WHERE rid = 2;\n" 20217"\n" 20218"SELECT ST_Value(rast,1,i,j) As origval, ST_Value(map_rast, 1, i, j) As " 20219"mapval\n" 20220"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 20221"generate_series(1,3) AS j\n" 20222"WHERE rid = 2;\n" 20223"\n" 20224" origval | mapval\n" 20225"---------+--------\n" 20226" 253 | 1\n" 20227" 254 | 0\n" 20228" 253 | 1\n" 20229" 253 | 1\n" 20230" 254 | 0\n" 20231" 254 | 0\n" 20232" 250 | 0\n" 20233" 254 | 0\n" 20234" 254 | 0" 20235 20236#. Tag: para 20237#: reference_raster.xml:8176 20238#, no-c-format 20239msgid "" 20240"Create a new 1 band raster of pixel-type 2BUI from our original that is " 20241"reclassified and set the nodata value to a passed parameter to the user " 20242"function (0)." 20243msgstr "" 20244"ピクセルタイプが2BUIの1バンドラスタを生成します。元のラスタに対して再分類を" 20245"行った値が入り、NODATA値をユーザ関数に渡される引数の値 (0)に設定します。" 20246 20247#. Tag: programlisting 20248#: reference_raster.xml:8177 20249#, no-c-format 20250msgid "" 20251"ALTER TABLE dummy_rast ADD COLUMN map_rast2 raster;\n" 20252"CREATE FUNCTION classify_fct(pixel float, pos integer[], variadic args " 20253"text[])\n" 20254"RETURNS float\n" 20255"AS\n" 20256"$$\n" 20257"DECLARE\n" 20258" nodata float := 0;\n" 20259"BEGIN\n" 20260" IF NOT args[1] IS NULL THEN\n" 20261" nodata := args[1];\n" 20262" END IF;\n" 20263" IF pixel < 251 THEN\n" 20264" RETURN 1;\n" 20265" ELSIF pixel = 252 THEN\n" 20266" RETURN 2;\n" 20267" ELSIF pixel > 252 THEN\n" 20268" RETURN 3;\n" 20269" ELSE\n" 20270" RETURN nodata;\n" 20271" END IF;\n" 20272"END;\n" 20273"$$\n" 20274"LANGUAGE 'plpgsql';\n" 20275"UPDATE dummy_rast SET map_rast2 = " 20276"ST_MapAlgebraFct(rast,'2BUI','classify_fct(float,integer[],text[])'::" 20277"regprocedure, '0') WHERE rid = 2;\n" 20278"\n" 20279"SELECT DISTINCT ST_Value(rast,1,i,j) As origval, ST_Value(map_rast2, 1, i, " 20280"j) As mapval\n" 20281"FROM dummy_rast CROSS JOIN generate_series(1, 5) AS i CROSS JOIN " 20282"generate_series(1,5) AS j\n" 20283"WHERE rid = 2;\n" 20284"\n" 20285" origval | mapval\n" 20286"---------+--------\n" 20287" 249 | 1\n" 20288" 250 | 1\n" 20289" 251 |\n" 20290" 252 | 2\n" 20291" 253 | 3\n" 20292" 254 | 3\n" 20293"\n" 20294"SELECT ST_BandPixelType(map_rast2) As b1pixtyp\n" 20295"FROM dummy_rast WHERE rid = 2;\n" 20296"\n" 20297" b1pixtyp\n" 20298"----------\n" 20299" 2BUI" 20300msgstr "" 20301"ALTER TABLE dummy_rast ADD COLUMN map_rast2 raster;\n" 20302"CREATE FUNCTION classify_fct(pixel float, pos integer[], variadic args " 20303"text[])\n" 20304"RETURNS float\n" 20305"AS\n" 20306"$$\n" 20307"DECLARE\n" 20308" nodata float := 0;\n" 20309"BEGIN\n" 20310" IF NOT args[1] IS NULL THEN\n" 20311" nodata := args[1];\n" 20312" END IF;\n" 20313" IF pixel < 251 THEN\n" 20314" RETURN 1;\n" 20315" ELSIF pixel = 252 THEN\n" 20316" RETURN 2;\n" 20317" ELSIF pixel > 252 THEN\n" 20318" RETURN 3;\n" 20319" ELSE\n" 20320" RETURN nodata;\n" 20321" END IF;\n" 20322"END;\n" 20323"$$\n" 20324"LANGUAGE 'plpgsql';\n" 20325"UPDATE dummy_rast SET map_rast2 = " 20326"ST_MapAlgebraFct(rast,'2BUI','classify_fct(float,integer[],text[])'::" 20327"regprocedure, '0') WHERE rid = 2;\n" 20328"\n" 20329"SELECT DISTINCT ST_Value(rast,1,i,j) As origval, ST_Value(map_rast2, 1, i, " 20330"j) As mapval\n" 20331"FROM dummy_rast CROSS JOIN generate_series(1, 5) AS i CROSS JOIN " 20332"generate_series(1,5) AS j\n" 20333"WHERE rid = 2;\n" 20334"\n" 20335" origval | mapval\n" 20336"---------+--------\n" 20337" 249 | 1\n" 20338" 250 | 1\n" 20339" 251 |\n" 20340" 252 | 2\n" 20341" 253 | 3\n" 20342" 254 | 3\n" 20343"\n" 20344"SELECT ST_BandPixelType(map_rast2) As b1pixtyp\n" 20345"FROM dummy_rast WHERE rid = 2;\n" 20346"\n" 20347" b1pixtyp\n" 20348"----------\n" 20349" 2BUI" 20350 20351#. Tag: para 20352#: reference_raster.xml:8188 20353#, no-c-format 20354msgid "original (column rast-view)" 20355msgstr "元のラスタ (rast_viewカラム)" 20356 20357#. Tag: programlisting 20358#: reference_raster.xml:8205 20359#, no-c-format 20360msgid "" 20361"CREATE FUNCTION rast_plus_tan(pixel float, pos integer[], variadic args " 20362"text[])\n" 20363"RETURNS float\n" 20364"AS\n" 20365"$$\n" 20366"BEGIN\n" 20367" RETURN tan(pixel) * pixel;\n" 20368"END;\n" 20369"$$\n" 20370"LANGUAGE 'plpgsql';\n" 20371"\n" 20372"SELECT ST_AddBand(\n" 20373" ST_AddBand(\n" 20374" ST_AddBand(\n" 20375" ST_MakeEmptyRaster(rast_view),\n" 20376" ST_MapAlgebraFct(rast_view,1," 20377"NULL,'rast_plus_tan(float,integer[],text[])'::regprocedure)\n" 20378" ),\n" 20379" ST_Band(rast_view,2)\n" 20380" ),\n" 20381" ST_Band(rast_view, 3) As rast_view_ma\n" 20382")\n" 20383"FROM wind\n" 20384"WHERE rid=167;" 20385msgstr "" 20386"CREATE FUNCTION rast_plus_tan(pixel float, pos integer[], variadic args " 20387"text[])\n" 20388"RETURNS float\n" 20389"AS\n" 20390"$$\n" 20391"BEGIN\n" 20392" RETURN tan(pixel) * pixel;\n" 20393"END;\n" 20394"$$\n" 20395"LANGUAGE 'plpgsql';\n" 20396"\n" 20397"SELECT ST_AddBand(\n" 20398" ST_AddBand(\n" 20399" ST_AddBand(\n" 20400" ST_MakeEmptyRaster(rast_view),\n" 20401" ST_MapAlgebraFct(rast_view,1," 20402"NULL,'rast_plus_tan(float,integer[],text[])'::regprocedure)\n" 20403" ),\n" 20404" ST_Band(rast_view,2)\n" 20405" ),\n" 20406" ST_Band(rast_view, 3) As rast_view_ma\n" 20407")\n" 20408"FROM wind\n" 20409"WHERE rid=167;" 20410 20411#. Tag: para 20412#: reference_raster.xml:8210 reference_raster.xml:8333 20413#, no-c-format 20414msgid "" 20415", <xref linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference" 20416"\"/>, <xref linkend=\"RT_ST_SetValue\"/>" 20417msgstr "" 20418", <xref linkend=\"RT_ST_BandPixelType\"/>, <xref linkend=\"RT_ST_GeoReference" 20419"\"/>, <xref linkend=\"RT_ST_SetValue\"/>" 20420 20421#. Tag: refpurpose 20422#: reference_raster.xml:8222 20423#, no-c-format 20424msgid "" 20425"2 band version - Creates a new one band raster formed by applying a valid " 20426"PostgreSQL function on the 2 input raster bands and of pixeltype prodived. " 20427"Band 1 is assumed if no band is specified. Extent type defaults to " 20428"INTERSECTION if not specified." 20429msgstr "" 20430"2バンド版 - 二つの入力バンドに対する妥当なPostgreSQL関数で形成された、指定し" 20431"たピクセルタイプとなる1バンドラスタを生成します。バンドを指定しない場合には、" 20432"1番と仮定します。\"extenttype\"のデフォルトはINTERSECTIONです。" 20433 20434#. Tag: funcsynopsis 20435#: reference_raster.xml:8226 20436#, no-c-format 20437msgid "" 20438"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20439"funcdef> <paramdef><type>raster</type> <parameter>rast1</parameter></" 20440"paramdef> <paramdef><type>raster</type> <parameter>rast2</parameter></" 20441"paramdef> <paramdef><type>regprocedure</type> <parameter>tworastuserfunc</" 20442"parameter></paramdef> <paramdef choice=\"opt\"><type>text</type> " 20443"<parameter>pixeltype=same_as_rast1</parameter></paramdef> <paramdef choice=" 20444"\"opt\"><type>text</type> <parameter>extenttype=INTERSECTION</parameter></" 20445"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 20446"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20447"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20448"type> <parameter>rast1</parameter></paramdef> <paramdef><type>integer</type> " 20449"<parameter>band1</parameter></paramdef> <paramdef><type>raster</type> " 20450"<parameter>rast2</parameter></paramdef> <paramdef><type>integer</type> " 20451"<parameter>band2</parameter></paramdef> <paramdef><type>regprocedure</type> " 20452"<parameter>tworastuserfunc</parameter></paramdef> <paramdef choice=\"opt" 20453"\"><type>text</type> <parameter>pixeltype=same_as_rast1</parameter></" 20454"paramdef> <paramdef choice=\"opt\"><type>text</type> " 20455"<parameter>extenttype=INTERSECTION</parameter></paramdef> " 20456"<paramdef><type>text[]</type> <parameter>VARIADIC userargs</parameter></" 20457"paramdef> </funcprototype>" 20458msgstr "" 20459"<funcprototype> <funcdef>raster <function>ST_MapAlgebraFct</function></" 20460"funcdef> <paramdef><type>raster</type> <parameter>rast1</parameter></" 20461"paramdef> <paramdef><type>raster</type> <parameter>rast2</parameter></" 20462"paramdef> <paramdef><type>regprocedure</type> <parameter>tworastuserfunc</" 20463"parameter></paramdef> <paramdef choice=\"opt\"><type>text</type> " 20464"<parameter>pixeltype=same_as_rast1</parameter></paramdef> <paramdef choice=" 20465"\"opt\"><type>text</type> <parameter>extenttype=INTERSECTION</parameter></" 20466"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 20467"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 20468"<function>ST_MapAlgebraFct</function></funcdef> <paramdef><type>raster</" 20469"type> <parameter>rast1</parameter></paramdef> <paramdef><type>integer</type> " 20470"<parameter>band1</parameter></paramdef> <paramdef><type>raster</type> " 20471"<parameter>rast2</parameter></paramdef> <paramdef><type>integer</type> " 20472"<parameter>band2</parameter></paramdef> <paramdef><type>regprocedure</type> " 20473"<parameter>tworastuserfunc</parameter></paramdef> <paramdef choice=\"opt" 20474"\"><type>text</type> <parameter>pixeltype=same_as_rast1</parameter></" 20475"paramdef> <paramdef choice=\"opt\"><type>text</type> " 20476"<parameter>extenttype=INTERSECTION</parameter></paramdef> " 20477"<paramdef><type>text[]</type> <parameter>VARIADIC userargs</parameter></" 20478"paramdef> </funcprototype>" 20479 20480#. Tag: para 20481#: reference_raster.xml:8260 20482#, no-c-format 20483msgid "" 20484"Creates a new one band raster formed by applying a valid PostgreSQL function " 20485"specified by the <varname>tworastuserfunc</varname> on the input raster " 20486"<varname>rast1</varname>, <varname>rast2</varname>. If no <varname>band1</" 20487"varname> or <varname>band2</varname> is specified, band 1 is assumed. The " 20488"new raster will have the same georeference, width, and height as the " 20489"original rasters but will only have one band." 20490msgstr "" 20491"二つの入力ラスタ (<varname>rast1</varname>, <varname>rast2</varname>)に対して" 20492"<varname>tworastuserfunc</varname>で指定される妥当なPostgreSQL関数で形成され" 20493"るラスタを返します。<varname>band1</varname>または<varname>band2</varname>が" 20494"指定されていない場合には、1番と仮定します。新しいラスタは、元のラスタと同じ地" 20495"理参照、幅、高さを持ちますが、一つのバンドしか持ちません。" 20496 20497#. Tag: para 20498#: reference_raster.xml:8263 20499#, no-c-format 20500msgid "" 20501"If <varname>pixeltype</varname> is passed in, then the new raster will have " 20502"a band of that pixeltype. If pixeltype is passed NULL or left out, then the " 20503"new raster band will have the same pixeltype as the input <varname>rast1</" 20504"varname> band." 20505msgstr "" 20506"<varname>pixeltype</varname>が渡された場合には、新しいラスタはそのピクセルタ" 20507"イプのバンドを持ちます。pixelteypeとしてNULLが渡されたりピクセルタイプを指定" 20508"しない場合には、新しいラスタは<varname>rast1</varname>の入力バンドと同じピク" 20509"セルタイプになります。" 20510 20511#. Tag: para 20512#: reference_raster.xml:8266 20513#, no-c-format 20514msgid "" 20515"The <varname>tworastuserfunc</varname> parameter must be the name and " 20516"signature of an SQL or PL/pgSQL function, cast to a regprocedure. An example " 20517"PL/pgSQL function example is: <programlisting>CREATE OR REPLACE FUNCTION " 20518"simple_function_for_two_rasters(pixel1 FLOAT, pixel2 FLOAT, pos INTEGER[], " 20519"VARIADIC args TEXT[])\n" 20520" RETURNS FLOAT\n" 20521" AS $$ BEGIN\n" 20522" RETURN 0.0;\n" 20523" END; $$\n" 20524" LANGUAGE 'plpgsql' IMMUTABLE;</programlisting> The " 20525"<varname>tworastuserfunc</varname> may accept three or four arguments: a " 20526"double precision value, a double precision value, an optional integer array, " 20527"and a variadic text array. The first argument is the value of an individual " 20528"raster cell in <varname>rast1</varname> (regardless of the raster datatype). " 20529"The second argument is an individual raster cell value in <varname>rast2</" 20530"varname>. The third argument is the position of the current processing cell " 20531"in the form '{x,y}'. The fourth argument indicates that all remaining " 20532"parameters to <xref linkend=\"RT_ST_MapAlgebraFct2\"/> shall be passed " 20533"through to the <varname>tworastuserfunc</varname>." 20534msgstr "" 20535"<varname>tworastuserfunc</varname>引数はSQL関数またはPL/pgSQL関数のシグネチャ" 20536"で、regprocedureにキャストします。大変単純で本当に使えないPL/pgSQL関数の例を" 20537"挙げます。<programlisting>CREATE OR REPLACE FUNCTION " 20538"simple_function_for_two_rasters(pixel1 FLOAT, pixel2 FLOAT, pos INTEGER[], " 20539"VARIADIC args TEXT[])\n" 20540" RETURNS FLOAT\n" 20541" AS $$ BEGIN\n" 20542" RETURN 0.0;\n" 20543" END; $$\n" 20544" LANGUAGE 'plpgsql' IMMUTABLE;</programlisting> <varname>tworastuserfunc</" 20545"varname>は、3または4の引数を受け付けます。すなわち、倍精度浮動小数点数、倍精" 20546"度浮動小数点数、任意の整数配列、VARIADIC文字列配列です。第1引数は" 20547"<varname>rast1</varname>のラスタセルごとの値です (ラスタのデータ型に関係な" 20548"く)。第2引数は<varname>rast2</varname>のラスタセルごとの値です。第3引数は現在" 20549"の処理セルの位置で、'{x,y}'であらわされます。第4引数は、<xref linkend=" 20550"\"RT_ST_MapAlgebraFct2\"/>へのパラメータの残っているもの全てが" 20551"<varname>tworastuserfunc</varname>に渡されることを示します。" 20552 20553#. Tag: para 20554#: reference_raster.xml:8272 20555#, no-c-format 20556msgid "" 20557"Passing a <type>regprodedure</type> argument to a SQL function requires the " 20558"full function signature to be passed, then cast to a <type>regprocedure</" 20559"type> type. To pass the above example PL/pgSQL function as an argument, the " 20560"SQL for the argument is:<programlisting>'simple_function(double precision, " 20561"double precision, integer[], text[])'::regprocedure</programlisting>Note " 20562"that the argument contains the name of the function, the types of the " 20563"function arguments, quotes around the name and argument types, and a cast to " 20564"a <type>regprocedure</type>." 20565msgstr "" 20566"<type>regprodedure</type>引数をSQL関数に渡す際は完全な関数シグネチャと" 20567"<type>regprocedure</type>型へのキャストが求められます。上のPL/pgSQL関数を引数" 20568"に取るには、引数のSQLは次のようにします。" 20569"<programlisting>'simple_function(double precision, double precision, " 20570"integer[], text[])'::regprocedure</programlisting> 引数は関数名と引数の型を含" 20571"み、関数名と引数を引用符で括り、かつ<type>regprocedure</type>にキャストする点" 20572"に注意が必要です。" 20573 20574#. Tag: para 20575#: reference_raster.xml:8275 20576#, no-c-format 20577msgid "" 20578"The fourth argument to the <varname>tworastuserfunc</varname> is a " 20579"<type>variadic text</type> array. All trailing text arguments to any <xref " 20580"linkend=\"RT_ST_MapAlgebraFct2\"/> call are passed through to the specified " 20581"<varname>tworastuserfunc</varname>, and are contained in the " 20582"<varname>userargs</varname> argument." 20583msgstr "" 20584"<varname>tworastuserfunc</varname>引数は <type>variadic text</type>配列です。" 20585"どの<xref linkend=\"RT_ST_MapAlgebraFct2\"/>にもついてくる全ての文字列引数" 20586"は、指定された<varname>tworastuserfunc</varname>に、そのまま渡されて、" 20587"<varname>userargs</varname>引数内に入ります。" 20588 20589#. Tag: para 20590#: reference_raster.xml:8283 20591#, no-c-format 20592msgid "" 20593"The <type>text[]</type> argument to the <varname>tworastuserfunc</varname> " 20594"is required, regardless of whether you choose to pass any arguments to your " 20595"user function for processing or not." 20596msgstr "" 20597"<varname>tworastuserfunc</varname>への<type>text[]</type>引数は、あらゆる引数" 20598"を処理のためにユーザ関数に渡すかどうかの選択にかかわらず求められます。" 20599 20600#. Tag: programlisting 20601#: reference_raster.xml:8291 20602#, no-c-format 20603msgid "" 20604"-- define our user defined function --\n" 20605"CREATE OR REPLACE FUNCTION raster_mapalgebra_union(\n" 20606" rast1 double precision,\n" 20607" rast2 double precision,\n" 20608" pos integer[],\n" 20609" VARIADIC userargs text[]\n" 20610")\n" 20611" RETURNS double precision\n" 20612" AS $$\n" 20613" DECLARE\n" 20614" BEGIN\n" 20615" CASE\n" 20616" WHEN rast1 IS NOT NULL AND rast2 IS NOT NULL THEN\n" 20617" RETURN ((rast1 + rast2)/2.);\n" 20618" WHEN rast1 IS NULL AND rast2 IS NULL THEN\n" 20619" RETURN NULL;\n" 20620" WHEN rast1 IS NULL THEN\n" 20621" RETURN rast2;\n" 20622" ELSE\n" 20623" RETURN rast1;\n" 20624" END CASE;\n" 20625"\n" 20626" RETURN NULL;\n" 20627" END;\n" 20628" $$ LANGUAGE 'plpgsql' IMMUTABLE COST 1000;\n" 20629"\n" 20630"-- prep our test table of rasters\n" 20631"DROP TABLE IF EXISTS map_shapes;\n" 20632"CREATE TABLE map_shapes(rid serial PRIMARY KEY, rast raster, bnum integer, " 20633"descrip text);\n" 20634"INSERT INTO map_shapes(rast,bnum, descrip)\n" 20635"WITH mygeoms\n" 20636" AS ( SELECT 2 As bnum, ST_Buffer(ST_Point(90,90),30) As geom, 'circle' " 20637"As descrip\n" 20638" UNION ALL\n" 20639" SELECT 3 AS bnum,\n" 20640" ST_Buffer(ST_GeomFromText('LINESTRING(50 50,150 150,150 " 20641"50)'), 15) As geom, 'big road' As descrip\n" 20642" UNION ALL\n" 20643" SELECT 1 As bnum,\n" 20644" ST_Translate(ST_Buffer(ST_GeomFromText('LINESTRING(60 50,150 " 20645"150,150 50)'), 8,'join=bevel'), 10,-6) As geom, 'small road' As descrip\n" 20646" ),\n" 20647" -- define our canvas to be 1 to 1 pixel to geometry\n" 20648" canvas\n" 20649" AS ( SELECT ST_AddBand(ST_MakeEmptyRaster(250,\n" 20650" 250,\n" 20651" ST_XMin(e)::integer, ST_YMax(e)::integer, 1, -1, 0, 0 ) , '8BUI'::" 20652"text,0) As rast\n" 20653" FROM (SELECT ST_Extent(geom) As e,\n" 20654" Max(ST_SRID(geom)) As srid\n" 20655" from mygeoms\n" 20656" ) As foo\n" 20657" )\n" 20658"-- return our rasters aligned with our canvas\n" 20659"SELECT ST_AsRaster(m.geom, canvas.rast, '8BUI', 240) As rast, bnum, descrip\n" 20660" FROM mygeoms AS m CROSS JOIN canvas\n" 20661"UNION ALL\n" 20662"SELECT canvas.rast, 4, 'canvas'\n" 20663"FROM canvas;\n" 20664"\n" 20665"-- Map algebra on single band rasters and then collect with ST_AddBand\n" 20666"INSERT INTO map_shapes(rast,bnum,descrip)\n" 20667"SELECT ST_AddBand(ST_AddBand(rasts[1], rasts[2]),rasts[3]), 4, 'map bands " 20668"overlay fct union (canvas)'\n" 20669" FROM (SELECT ARRAY(SELECT ST_MapAlgebraFct(m1.rast, m2.rast,\n" 20670" 'raster_mapalgebra_union(double precision, double " 20671"precision, integer[], text[])'::regprocedure, '8BUI', 'FIRST')\n" 20672" FROM map_shapes As m1 CROSS JOIN map_shapes As m2\n" 20673" WHERE m1.descrip = 'canvas' AND m2.descrip <> 'canvas' ORDER " 20674"BY m2.bnum) As rasts) As foo;" 20675msgstr "" 20676"-- ユーザ関数の定義 --\n" 20677"CREATE OR REPLACE FUNCTION raster_mapalgebra_union(\n" 20678" rast1 double precision,\n" 20679" rast2 double precision,\n" 20680" pos integer[],\n" 20681" VARIADIC userargs text[]\n" 20682")\n" 20683" RETURNS double precision\n" 20684" AS $$\n" 20685" DECLARE\n" 20686" BEGIN\n" 20687" CASE\n" 20688" WHEN rast1 IS NOT NULL AND rast2 IS NOT NULL THEN\n" 20689" RETURN ((rast1 + rast2)/2.);\n" 20690" WHEN rast1 IS NULL AND rast2 IS NULL THEN\n" 20691" RETURN NULL;\n" 20692" WHEN rast1 IS NULL THEN\n" 20693" RETURN rast2;\n" 20694" ELSE\n" 20695" RETURN rast1;\n" 20696" END CASE;\n" 20697"\n" 20698" RETURN NULL;\n" 20699" END;\n" 20700" $$ LANGUAGE 'plpgsql' IMMUTABLE COST 1000;\n" 20701"\n" 20702"-- ラスタの試験テーブルの用意\n" 20703"DROP TABLE IF EXISTS map_shapes;\n" 20704"CREATE TABLE map_shapes(rid serial PRIMARY KEY, rast raster, bnum integer, " 20705"descrip text);\n" 20706"INSERT INTO map_shapes(rast,bnum, descrip)\n" 20707"WITH mygeoms\n" 20708" AS ( SELECT 2 As bnum, ST_Buffer(ST_Point(90,90),30) As geom, 'circle' " 20709"As descrip\n" 20710" UNION ALL\n" 20711" SELECT 3 AS bnum,\n" 20712" ST_Buffer(ST_GeomFromText('LINESTRING(50 50,150 150,150 " 20713"50)'), 15) As geom, 'big road' As descrip\n" 20714" UNION ALL\n" 20715" SELECT 1 As bnum,\n" 20716" ST_Translate(ST_Buffer(ST_GeomFromText('LINESTRING(60 50,150 " 20717"150,150 50)'), 8,'join=bevel'), 10,-6) As geom, 'small road' As descrip\n" 20718" ),\n" 20719" -- ジオメトリと1対1に対応するキャンバスを定義\n" 20720" canvas\n" 20721" AS ( SELECT ST_AddBand(ST_MakeEmptyRaster(250,\n" 20722" 250,\n" 20723" ST_XMin(e)::integer, ST_YMax(e)::integer, 1, -1, 0, 0 ) , '8BUI'::" 20724"text,0) As rast\n" 20725" FROM (SELECT ST_Extent(geom) As e,\n" 20726" Max(ST_SRID(geom)) As srid\n" 20727" from mygeoms\n" 20728" ) As foo\n" 20729" )\n" 20730"-- キャンバスとアラインメントの合ったラスタを返します\n" 20731"SELECT ST_AsRaster(m.geom, canvas.rast, '8BUI', 240) As rast, bnum, descrip\n" 20732" FROM mygeoms AS m CROSS JOIN canvas\n" 20733"UNION ALL\n" 20734"SELECT canvas.rast, 4, 'canvas'\n" 20735"FROM canvas;\n" 20736"\n" 20737"-- 1バンド版の地図代数関数を実行し、あとでST_AddBandで集めます\n" 20738"INSERT INTO map_shapes(rast,bnum,descrip)\n" 20739"SELECT ST_AddBand(ST_AddBand(rasts[1], rasts[2]),rasts[3]), 4, 'map bands " 20740"overlay fct union (canvas)'\n" 20741" FROM (SELECT ARRAY(SELECT ST_MapAlgebraFct(m1.rast, m2.rast,\n" 20742" 'raster_mapalgebra_union(double precision, double " 20743"precision, integer[], text[])'::regprocedure, '8BUI', 'FIRST')\n" 20744" FROM map_shapes As m1 CROSS JOIN map_shapes As m2\n" 20745" WHERE m1.descrip = 'canvas' AND m2.descrip <> 'canvas' ORDER " 20746"BY m2.bnum) As rasts) As foo;" 20747 20748#. Tag: para 20749#: reference_raster.xml:8304 20750#, no-c-format 20751msgid "map bands overlay (canvas) (R: small road, G: circle, B: big road)" 20752msgstr "バンドオーバレイ (キャンバス)の図 (赤:小さい道 緑:円、青:大きな道)" 20753 20754#. Tag: title 20755#: reference_raster.xml:8316 20756#, no-c-format 20757msgid "User Defined function that takes extra args" 20758msgstr "追加引数を取るユーザ定義関数" 20759 20760#. Tag: programlisting 20761#: reference_raster.xml:8317 20762#, no-c-format 20763msgid "" 20764"CREATE OR REPLACE FUNCTION raster_mapalgebra_userargs(\n" 20765" rast1 double precision,\n" 20766" rast2 double precision,\n" 20767" pos integer[],\n" 20768" VARIADIC userargs text[]\n" 20769")\n" 20770" RETURNS double precision\n" 20771" AS $$\n" 20772" DECLARE\n" 20773" BEGIN\n" 20774" CASE\n" 20775" WHEN rast1 IS NOT NULL AND rast2 IS NOT NULL THEN\n" 20776" RETURN least(userargs[1]::integer,(rast1 + " 20777"rast2)/2.);\n" 20778" WHEN rast1 IS NULL AND rast2 IS NULL THEN\n" 20779" RETURN userargs[2]::integer;\n" 20780" WHEN rast1 IS NULL THEN\n" 20781" RETURN greatest(rast2,random()*userargs[3]::" 20782"integer)::integer;\n" 20783" ELSE\n" 20784" RETURN greatest(rast1, random()*userargs[4]::" 20785"integer)::integer;\n" 20786" END CASE;\n" 20787"\n" 20788" RETURN NULL;\n" 20789" END;\n" 20790" $$ LANGUAGE 'plpgsql' VOLATILE COST 1000;\n" 20791"\n" 20792"SELECT ST_MapAlgebraFct(m1.rast, 1, m1.rast, 3,\n" 20793" 'raster_mapalgebra_userargs(double precision, double " 20794"precision, integer[], text[])'::regprocedure,\n" 20795" '8BUI', 'INTERSECT', '100','200','200','0')\n" 20796" FROM map_shapes As m1\n" 20797" WHERE m1.descrip = 'map bands overlay fct union (canvas)';" 20798msgstr "" 20799"CREATE OR REPLACE FUNCTION raster_mapalgebra_userargs(\n" 20800" rast1 double precision,\n" 20801" rast2 double precision,\n" 20802" pos integer[],\n" 20803" VARIADIC userargs text[]\n" 20804")\n" 20805" RETURNS double precision\n" 20806" AS $$\n" 20807" DECLARE\n" 20808" BEGIN\n" 20809" CASE\n" 20810" WHEN rast1 IS NOT NULL AND rast2 IS NOT NULL THEN\n" 20811" RETURN least(userargs[1]::integer,(rast1 + " 20812"rast2)/2.);\n" 20813" WHEN rast1 IS NULL AND rast2 IS NULL THEN\n" 20814" RETURN userargs[2]::integer;\n" 20815" WHEN rast1 IS NULL THEN\n" 20816" RETURN greatest(rast2,random()*userargs[3]::" 20817"integer)::integer;\n" 20818" ELSE\n" 20819" RETURN greatest(rast1, random()*userargs[4]::" 20820"integer)::integer;\n" 20821" END CASE;\n" 20822"\n" 20823" RETURN NULL;\n" 20824" END;\n" 20825" $$ LANGUAGE 'plpgsql' VOLATILE COST 1000;\n" 20826"\n" 20827"SELECT ST_MapAlgebraFct(m1.rast, 1, m1.rast, 3,\n" 20828" 'raster_mapalgebra_userargs(double precision, double " 20829"precision, integer[], text[])'::regprocedure,\n" 20830" '8BUI', 'INTERSECT', '100','200','200','0')\n" 20831" FROM map_shapes As m1\n" 20832" WHERE m1.descrip = 'map bands overlay fct union (canvas)';" 20833 20834#. Tag: para 20835#: reference_raster.xml:8325 20836#, no-c-format 20837msgid "user defined with extra args and different bands from same raster" 20838msgstr "追加引数を持つユーザ定義関数と同じラスタからの異なるバンド" 20839 20840#. Tag: refname 20841#: reference_raster.xml:8344 20842#, no-c-format 20843msgid "ST_MapAlgebraFctNgb" 20844msgstr "ST_MapAlgebraFctNgb" 20845 20846#. Tag: refpurpose 20847#: reference_raster.xml:8345 20848#, no-c-format 20849msgid "" 20850"1-band version: Map Algebra Nearest Neighbor using user-defined PostgreSQL " 20851"function. Return a raster which values are the result of a PLPGSQL user " 20852"function involving a neighborhood of values from the input raster band." 20853msgstr "" 20854"1バンド版: ユーザ定義PostgreSQL関数を使用する最近傍地図代数関数です。入力ラス" 20855"タバンドの近傍の値を与えたPL/pgSQLユーザ定義関数の結果からなるラスタを返しま" 20856"す。" 20857 20858#. Tag: funcprototype 20859#: reference_raster.xml:8350 20860#, no-c-format 20861msgid "" 20862"<funcdef>raster <function>ST_MapAlgebraFctNgb</function></funcdef> " 20863"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 20864"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 20865"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 20866"<paramdef><type>integer </type> <parameter>ngbwidth</parameter></paramdef> " 20867"<paramdef><type>integer </type> <parameter>ngbheight</parameter></paramdef> " 20868"<paramdef><type>regprocedure </type> <parameter>onerastngbuserfunc</" 20869"parameter></paramdef> <paramdef><type>text </type> <parameter>nodatamode</" 20870"parameter></paramdef> <paramdef><type>text[] </type> <parameter>VARIADIC " 20871"args</parameter></paramdef>" 20872msgstr "" 20873"<funcdef>raster <function>ST_MapAlgebraFctNgb</function></funcdef> " 20874"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 20875"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 20876"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 20877"<paramdef><type>integer </type> <parameter>ngbwidth</parameter></paramdef> " 20878"<paramdef><type>integer </type> <parameter>ngbheight</parameter></paramdef> " 20879"<paramdef><type>regprocedure </type> <parameter>onerastngbuserfunc</" 20880"parameter></paramdef> <paramdef><type>text </type> <parameter>nodatamode</" 20881"parameter></paramdef> <paramdef><type>text[] </type> <parameter>VARIADIC " 20882"args</parameter></paramdef>" 20883 20884#. Tag: para 20885#: reference_raster.xml:8373 20886#, no-c-format 20887msgid "" 20888"(one raster version) Return a raster which values are the result of a " 20889"PLPGSQL user function involving a neighborhood of values from the input " 20890"raster band. The user function takes the neighborhood of pixel values as an " 20891"array of numbers, for each pixel, returns the result from the user function, " 20892"replacing pixel value of currently inspected pixel with the function result." 20893msgstr "" 20894"(1バンド版) 入力ラスタバンドの近傍の値を与えたPL/pgSQLユーザ定義関数の結果か" 20895"らなるラスタを返します。ユーザ定義関数は近傍のピクセル値を数の配列として取" 20896"り、ピクセル毎に、ユーザ定義関数からの結果を返し、現在の対象ピクセルのピクセ" 20897"ル値を関数の返り値に置き換えます。" 20898 20899#. Tag: term 20900#: reference_raster.xml:8377 20901#, no-c-format 20902msgid "rast" 20903msgstr "rast" 20904 20905#. Tag: para 20906#: reference_raster.xml:8378 20907#, no-c-format 20908msgid "Raster on which the user function is evaluated." 20909msgstr "ユーザ定義関数が評価されるラスタです。" 20910 20911#. Tag: term 20912#: reference_raster.xml:8381 20913#, no-c-format 20914msgid "band" 20915msgstr "band" 20916 20917#. Tag: para 20918#: reference_raster.xml:8382 20919#, no-c-format 20920msgid "Band number of the raster to be evaluated. Default to 1." 20921msgstr "評価されるラスタのバンド番号です。デフォルトは1です。" 20922 20923#. Tag: para 20924#: reference_raster.xml:8386 20925#, no-c-format 20926msgid "" 20927"The resulting pixel type of the output raster. Must be one listed in <xref " 20928"linkend=\"RT_ST_BandPixelType\"/> or left out or set to NULL. If not passed " 20929"in or set to NULL, will default to the pixeltype of the <varname>rast</" 20930"varname>. Results are truncated if they are larger than what is allowed for " 20931"the pixeltype." 20932msgstr "" 20933"出力ラスタのピクセルタイプです。<xref linkend=\"RT_ST_BandPixelType\"/>の一覧" 20934"にあるものか、指定しないか、NULLを指定します。指定しないかNULLを指定した場合" 20935"には、<varname>rast</varname>のピクセルタイプがデフォルトになります。結果ピク" 20936"セル値がピクセルタイプが許容する範囲を超える場合には、切り詰められます。" 20937 20938#. Tag: term 20939#: reference_raster.xml:8389 20940#, no-c-format 20941msgid "ngbwidth" 20942msgstr "ngbwidth" 20943 20944#. Tag: para 20945#: reference_raster.xml:8390 20946#, no-c-format 20947msgid "The width of the neighborhood, in cells." 20948msgstr "セル単位の近傍の幅です。" 20949 20950#. Tag: term 20951#: reference_raster.xml:8393 20952#, no-c-format 20953msgid "ngbheight" 20954msgstr "ngbheight" 20955 20956#. Tag: para 20957#: reference_raster.xml:8394 20958#, no-c-format 20959msgid "The height of the neighborhood, in cells." 20960msgstr "セル単位の近傍の高さです。" 20961 20962#. Tag: term 20963#: reference_raster.xml:8397 20964#, no-c-format 20965msgid "onerastngbuserfunc" 20966msgstr "onerastngbuserfunc" 20967 20968#. Tag: para 20969#: reference_raster.xml:8398 20970#, no-c-format 20971msgid "" 20972"PLPGSQL/psql user function to apply to neighborhood pixels of a single band " 20973"of a raster. The first element is a 2-dimensional array of numbers " 20974"representing the rectangular pixel neighborhood" 20975msgstr "" 20976"ラスタの単一バンドの近傍ピクセルに適用されるPL/pgSQLユーザ定義関数です。一つ" 20977"目の要素は、近傍ピクセルの四角形を表現する数値の2次元配列です。" 20978 20979#. Tag: term 20980#: reference_raster.xml:8401 20981#, no-c-format 20982msgid "nodatamode" 20983msgstr "nodatamode" 20984 20985#. Tag: para 20986#: reference_raster.xml:8403 20987#, no-c-format 20988msgid "" 20989"Defines what value to pass to the function for a neighborhood pixel that is " 20990"nodata or NULL" 20991msgstr "NODATAまたはNULLとなる近傍ピクセルにおける関数に渡す値を定義します。" 20992 20993#. Tag: para 20994#: reference_raster.xml:8404 20995#, no-c-format 20996msgid "" 20997"'ignore': any NODATA values encountered in the neighborhood are ignored by " 20998"the computation -- this flag must be sent to the user callback function, and " 20999"the user function decides how to ignore it." 21000msgstr "" 21001"'ignore': 近傍で遭遇したNODATA値全てが計算から除外されます。ユーザ定義関数に" 21002"必ず送られ、ユーザ定義関数が対処方法を決定します。" 21003 21004#. Tag: para 21005#: reference_raster.xml:8405 21006#, no-c-format 21007msgid "" 21008"'NULL': any NODATA values encountered in the neighborhood will cause the " 21009"resulting pixel to be NULL -- the user callback function is skipped in this " 21010"case." 21011msgstr "" 21012"'NULL': 近傍で遭遇したNODATA値全てが結果をNULLとします。この場合はユーザ定義" 21013"関数が呼び出されません。" 21014 21015#. Tag: para 21016#: reference_raster.xml:8406 21017#, no-c-format 21018msgid "" 21019"'value': any NODATA values encountered in the neighborhood are replaced by " 21020"the reference pixel (the one in the center of the neighborhood). Note that " 21021"if this value is NODATA, the behavior is the same as 'NULL' (for the " 21022"affected neighborhood)" 21023msgstr "" 21024"'value': 近傍で遭遇したNODATA値全てが参照ピクセル (近傍の中心にあるピクセル)" 21025"の値に置き換えられます。この値がNODATAになった場合には、'NULL'と同じ挙動を取" 21026"ります (影響のある近傍について)。" 21027 21028#. Tag: term 21029#: reference_raster.xml:8410 21030#, no-c-format 21031msgid "args" 21032msgstr "args" 21033 21034#. Tag: para 21035#: reference_raster.xml:8411 21036#, no-c-format 21037msgid "Arguments to pass into the user function." 21038msgstr "ユーザ定義関数に渡される引数です。" 21039 21040#. Tag: para 21041#: reference_raster.xml:8421 21042#, no-c-format 21043msgid "" 21044"Examples utilize the katrina raster loaded as a single tile described in " 21045"<ulink url=\"http://trac.osgeo.org/gdal/wiki/frmts_wtkraster.html\">http://" 21046"trac.osgeo.org/gdal/wiki/frmts_wtkraster.html</ulink> and then prepared in " 21047"the <xref linkend=\"RT_ST_Rescale\"/> examples" 21048msgstr "" 21049"単一タイルとしてロードされたカトリーナのラスタを使った例です。<ulink url=" 21050"\"http://trac.osgeo.org/gdal/wiki/frmts_wtkraster.html\">http://trac.osgeo." 21051"org/gdal/wiki/frmts_wtkraster.html</ulink>に説明があります。また、<xref " 21052"linkend=\"RT_ST_Rescale\"/>の例で準備を行っています。" 21053 21054#. Tag: programlisting 21055#: reference_raster.xml:8423 21056#, no-c-format 21057msgid "" 21058"--\n" 21059"-- A simple 'callback' user function that averages up all the values in a " 21060"neighborhood.\n" 21061"--\n" 21062"CREATE OR REPLACE FUNCTION rast_avg(matrix float[][], nodatamode text, " 21063"variadic args text[])\n" 21064" RETURNS float AS\n" 21065" $$\n" 21066" DECLARE\n" 21067" _matrix float[][];\n" 21068" x1 integer;\n" 21069" x2 integer;\n" 21070" y1 integer;\n" 21071" y2 integer;\n" 21072" sum float;\n" 21073" BEGIN\n" 21074" _matrix := matrix;\n" 21075" sum := 0;\n" 21076" FOR x in array_lower(matrix, 1)..array_upper(matrix, 1) LOOP\n" 21077" FOR y in array_lower(matrix, 2)..array_upper(matrix, 2) LOOP\n" 21078" sum := sum + _matrix[x][y];\n" 21079" END LOOP;\n" 21080" END LOOP;\n" 21081" RETURN (sum*1.0/(array_upper(matrix,1)*array_upper(matrix,2) ))::" 21082"integer ;\n" 21083" END;\n" 21084" $$\n" 21085"LANGUAGE 'plpgsql' IMMUTABLE COST 1000;\n" 21086"\n" 21087"-- now we apply to our raster averaging pixels within 2 pixels of each other " 21088"in X and Y direction --\n" 21089"SELECT ST_MapAlgebraFctNgb(rast, 1, '8BUI', 4,4,\n" 21090" 'rast_avg(float[][], text, text[])'::regprocedure, 'NULL', " 21091"NULL) As nn_with_border\n" 21092" FROM katrinas_rescaled\n" 21093" limit 1;" 21094msgstr "" 21095"--\n" 21096"-- 近傍の値の全てに関する平均を計算する、単純なユーザ定義の「コールバック」関" 21097"数\n" 21098"--\n" 21099"CREATE OR REPLACE FUNCTION rast_avg(matrix float[][], nodatamode text, " 21100"variadic args text[])\n" 21101" RETURNS float AS\n" 21102" $$\n" 21103" DECLARE\n" 21104" _matrix float[][];\n" 21105" x1 integer;\n" 21106" x2 integer;\n" 21107" y1 integer;\n" 21108" y2 integer;\n" 21109" sum float;\n" 21110" BEGIN\n" 21111" _matrix := matrix;\n" 21112" sum := 0;\n" 21113" FOR x in array_lower(matrix, 1)..array_upper(matrix, 1) LOOP\n" 21114" FOR y in array_lower(matrix, 2)..array_upper(matrix, 2) LOOP\n" 21115" sum := sum + _matrix[x][y];\n" 21116" END LOOP;\n" 21117" END LOOP;\n" 21118" RETURN (sum*1.0/(array_upper(matrix,1)*array_upper(matrix,2) ))::" 21119"integer ;\n" 21120" END;\n" 21121" $$\n" 21122"LANGUAGE 'plpgsql' IMMUTABLE COST 1000;\n" 21123"\n" 21124"-- ラスタに対してX,Y軸でそれぞれ2ピクセル内の平均を計算するようにしています " 21125"--\n" 21126"SELECT ST_MapAlgebraFctNgb(rast, 1, '8BUI', 4,4,\n" 21127" 'rast_avg(float[][], text, text[])'::regprocedure, 'NULL', " 21128"NULL) As nn_with_border\n" 21129" FROM katrinas_rescaled\n" 21130" limit 1;" 21131 21132#. Tag: para 21133#: reference_raster.xml:8437 21134#, no-c-format 21135msgid "First band of our raster" 21136msgstr "ラスタの1番バンド" 21137 21138#. Tag: para 21139#: reference_raster.xml:8451 21140#, no-c-format 21141msgid "new raster after averaging pixels withing 4x4 pixels of each other" 21142msgstr "ピクセル毎に4x4ピクセル内のピクセル平均を計算したラスタ" 21143 21144#. Tag: para 21145#: reference_raster.xml:8466 21146#, no-c-format 21147msgid "" 21148", <xref linkend=\"RT_ST_MapAlgebraExpr\"/>, <xref linkend=\"RT_ST_Rescale\"/>" 21149msgstr "" 21150", <xref linkend=\"RT_ST_MapAlgebraExpr\"/>, <xref linkend=\"RT_ST_Rescale\"/>" 21151 21152#. Tag: refname 21153#: reference_raster.xml:8476 21154#, no-c-format 21155msgid "ST_Reclass" 21156msgstr "ST_Reclass" 21157 21158#. Tag: refpurpose 21159#: reference_raster.xml:8477 21160#, no-c-format 21161msgid "" 21162"Creates a new raster composed of band types reclassified from original. The " 21163"nband is the band to be changed. If nband is not specified assumed to be 1. " 21164"All other bands are returned unchanged. Use case: convert a 16BUI band to a " 21165"8BUI and so forth for simpler rendering as viewable formats." 21166msgstr "" 21167"元のラスタから再分類したバンドタイプからなるラスタを生成します。nbandは変更す" 21168"るバンドです。nbandが指定されていない場合には、1と仮定します。他の全てのバン" 21169"ドは変更せずに返します。可視画像の書式としてより単純な描画を行うために、16BUI" 21170"バンドを8BUIバンドに変換する、等のために使います。" 21171 21172#. Tag: funcsynopsis 21173#: reference_raster.xml:8481 21174#, no-c-format 21175msgid "" 21176"<funcprototype> <funcdef>raster <function>ST_Reclass</function></funcdef> " 21177"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 21178"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 21179"<paramdef><type>text </type> <parameter>reclassexpr</parameter></paramdef> " 21180"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 21181"<paramdef choice=\"opt\"><type>double precision </type> " 21182"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 21183"<funcprototype> <funcdef>raster <function>ST_Reclass</function></funcdef> " 21184"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 21185"<paramdef><type>reclassarg[] </type> <parameter>VARIADIC reclassargset</" 21186"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 21187"<function>ST_Reclass</function></funcdef> <paramdef><type>raster </type> " 21188"<parameter>rast</parameter></paramdef> <paramdef><type>text </type> " 21189"<parameter>reclassexpr</parameter></paramdef> <paramdef><type>text </type> " 21190"<parameter>pixeltype</parameter></paramdef> </funcprototype>" 21191msgstr "" 21192"<funcprototype> <funcdef>raster <function>ST_Reclass</function></funcdef> " 21193"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 21194"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 21195"<paramdef><type>text </type> <parameter>reclassexpr</parameter></paramdef> " 21196"<paramdef><type>text </type> <parameter>pixeltype</parameter></paramdef> " 21197"<paramdef choice=\"opt\"><type>double precision </type> " 21198"<parameter>nodataval=NULL</parameter></paramdef> </funcprototype> " 21199"<funcprototype> <funcdef>raster <function>ST_Reclass</function></funcdef> " 21200"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 21201"<paramdef><type>reclassarg[] </type> <parameter>VARIADIC reclassargset</" 21202"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>raster " 21203"<function>ST_Reclass</function></funcdef> <paramdef><type>raster </type> " 21204"<parameter>rast</parameter></paramdef> <paramdef><type>text </type> " 21205"<parameter>reclassexpr</parameter></paramdef> <paramdef><type>text </type> " 21206"<parameter>pixeltype</parameter></paramdef> </funcprototype>" 21207 21208#. Tag: para 21209#: reference_raster.xml:8509 21210#, no-c-format 21211msgid "" 21212"Creates a new raster formed by applying a valid PostgreSQL algebraic " 21213"operation defined by the <varname>reclassexpr</varname> on the input raster " 21214"(<varname>rast</varname>). If no <varname>band</varname> is specified band 1 " 21215"is assumed. The new raster will have the same georeference, width, and " 21216"height as the original raster. Bands not designated will come back " 21217"unchanged. Refer to <xref linkend=\"reclassarg\"/> for description of valid " 21218"reclassification expressions." 21219msgstr "" 21220"入力ラスタ (<varname>rast</varname>)に<varname>reclassexpr</varname>で定義す" 21221"る妥当なPostgreSQL代数演算子を適用して新しいラスタを生成します。" 21222"<varname>band</varname>が指定されていない場合には、1番と仮定します。新しいラ" 21223"スタは、元のラスタと同じ地理参照、幅、高さを持ちます。指示されていないバンド" 21224"は変更せずに返ります。妥当な再分類の数式の説明については<xref linkend=" 21225"\"reclassarg\"/>を参照して下さい。" 21226 21227#. Tag: para 21228#: reference_raster.xml:8511 21229#, no-c-format 21230msgid "" 21231"The bands of the new raster will have pixel type of <varname>pixeltype</" 21232"varname>. If <varname>reclassargset</varname> is passed in then each " 21233"reclassarg defines behavior of each band generated." 21234msgstr "" 21235"新しいラスタのバンドは<varname>pixeltype</varname>で指定するピクセルタイプに" 21236"なります。<varname>reclassargset</varname>を渡した場合は、個々のreclassargが" 21237"生成されるバンド毎の挙動を定義します。" 21238 21239#. Tag: para 21240#: reference_raster.xml:8518 21241#, no-c-format 21242msgid "" 21243"Create a new raster from the original where band 2 is converted from 8BUI to " 21244"4BUI and all values from 101-254 are set to nodata value." 21245msgstr "" 21246"元ラスタから新しいラスタを生成しますが、2番バンドを8BUIから4BUIに変換して、" 21247"101-254をNODATA値にします。" 21248 21249#. Tag: programlisting 21250#: reference_raster.xml:8519 21251#, no-c-format 21252msgid "" 21253"ALTER TABLE dummy_rast ADD COLUMN reclass_rast raster;\n" 21254"UPDATE dummy_rast SET reclass_rast = ST_Reclass(rast,2,'0-87:1-10, " 21255"88-100:11-15, 101-254:0-0', '4BUI',0) WHERE rid = 2;\n" 21256"\n" 21257"SELECT i as col, j as row, ST_Value(rast,2,i,j) As origval,\n" 21258" ST_Value(reclass_rast, 2, i, j) As reclassval,\n" 21259" ST_Value(reclass_rast, 2, i, j, false) As reclassval_include_nodata\n" 21260"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 21261"generate_series(1,3) AS j\n" 21262"WHERE rid = 2;\n" 21263"\n" 21264" col | row | origval | reclassval | reclassval_include_nodata\n" 21265"-----+-----+---------+------------+---------------------------\n" 21266" 1 | 1 | 78 | 9 | 9\n" 21267" 2 | 1 | 98 | 14 | 14\n" 21268" 3 | 1 | 122 | | 0\n" 21269" 1 | 2 | 96 | 14 | 14\n" 21270" 2 | 2 | 118 | | 0\n" 21271" 3 | 2 | 180 | | 0\n" 21272" 1 | 3 | 99 | 15 | 15\n" 21273" 2 | 3 | 112 | | 0\n" 21274" 3 | 3 | 169 | | 0" 21275msgstr "" 21276"ALTER TABLE dummy_rast ADD COLUMN reclass_rast raster;\n" 21277"UPDATE dummy_rast SET reclass_rast = ST_Reclass(rast,2,'0-87:1-10, " 21278"88-100:11-15, 101-254:0-0', '4BUI',0) WHERE rid = 2;\n" 21279"\n" 21280"SELECT i as col, j as row, ST_Value(rast,2,i,j) As origval,\n" 21281" ST_Value(reclass_rast, 2, i, j) As reclassval,\n" 21282" ST_Value(reclass_rast, 2, i, j, false) As reclassval_include_nodata\n" 21283"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 21284"generate_series(1,3) AS j\n" 21285"WHERE rid = 2;\n" 21286"\n" 21287" col | row | origval | reclassval | reclassval_include_nodata\n" 21288"-----+-----+---------+------------+---------------------------\n" 21289" 1 | 1 | 78 | 9 | 9\n" 21290" 2 | 1 | 98 | 14 | 14\n" 21291" 3 | 1 | 122 | | 0\n" 21292" 1 | 2 | 96 | 14 | 14\n" 21293" 2 | 2 | 118 | | 0\n" 21294" 3 | 2 | 180 | | 0\n" 21295" 1 | 3 | 99 | 15 | 15\n" 21296" 2 | 3 | 112 | | 0\n" 21297" 3 | 3 | 169 | | 0" 21298 21299#. Tag: title 21300#: reference_raster.xml:8523 21301#, no-c-format 21302msgid "Example: Advanced using multiple reclassargs" 21303msgstr "例: 複数の再分類を使った高度な例" 21304 21305#. Tag: para 21306#: reference_raster.xml:8525 21307#, no-c-format 21308msgid "" 21309"Create a new raster from the original where band 1,2,3 is converted to " 21310"1BB,4BUI, 4BUI respectively and reclassified. Note this uses the variadic " 21311"<varname>reclassarg</varname> argument which can take as input an indefinite " 21312"number of reclassargs (theoretically as many bands as you have)" 21313msgstr "" 21314"元ラスタから新しいラスタを生成しますが、1番、2番、3番バンドを1BB, 4BUI, 4BUI" 21315"にそれぞれ変換して再分類します。再分類の識別番号 (理論的には元ラスタと同数の" 21316"バンド)を入力するために取るVARIADIC reclassarg引数を使っています。" 21317 21318#. Tag: programlisting 21319#: reference_raster.xml:8526 21320#, no-c-format 21321msgid "" 21322"UPDATE dummy_rast SET reclass_rast =\n" 21323" ST_Reclass(rast,\n" 21324" ROW(2,'0-87]:1-10, (87-100]:11-15, (101-254]:0-0', '4BUI',NULL)::" 21325"reclassarg,\n" 21326" ROW(1,'0-253]:1, 254:0', '1BB', NULL)::reclassarg,\n" 21327" ROW(3,'0-70]:1, (70-86:2, [86-150):3, [150-255:4', '4BUI', NULL)::" 21328"reclassarg\n" 21329" ) WHERE rid = 2;\n" 21330"\n" 21331"SELECT i as col, j as row,ST_Value(rast,1,i,j) As ov1, " 21332"ST_Value(reclass_rast, 1, i, j) As rv1,\n" 21333" ST_Value(rast,2,i,j) As ov2, ST_Value(reclass_rast, 2, i, j) As rv2,\n" 21334" ST_Value(rast,3,i,j) As ov3, ST_Value(reclass_rast, 3, i, j) As rv3\n" 21335"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 21336"generate_series(1,3) AS j\n" 21337"WHERE rid = 2;\n" 21338"\n" 21339"col | row | ov1 | rv1 | ov2 | rv2 | ov3 | rv3\n" 21340"----+-----+-----+-----+-----+-----+-----+-----\n" 21341" 1 | 1 | 253 | 1 | 78 | 9 | 70 | 1\n" 21342" 2 | 1 | 254 | 0 | 98 | 14 | 86 | 3\n" 21343" 3 | 1 | 253 | 1 | 122 | 0 | 100 | 3\n" 21344" 1 | 2 | 253 | 1 | 96 | 14 | 80 | 2\n" 21345" 2 | 2 | 254 | 0 | 118 | 0 | 108 | 3\n" 21346" 3 | 2 | 254 | 0 | 180 | 0 | 162 | 4\n" 21347" 1 | 3 | 250 | 1 | 99 | 15 | 90 | 3\n" 21348" 2 | 3 | 254 | 0 | 112 | 0 | 108 | 3\n" 21349" 3 | 3 | 254 | 0 | 169 | 0 | 175 | 4" 21350msgstr "" 21351"UPDATE dummy_rast SET reclass_rast =\n" 21352" ST_Reclass(rast,\n" 21353" ROW(2,'0-87]:1-10, (87-100]:11-15, (101-254]:0-0', '4BUI',NULL)::" 21354"reclassarg,\n" 21355" ROW(1,'0-253]:1, 254:0', '1BB', NULL)::reclassarg,\n" 21356" ROW(3,'0-70]:1, (70-86:2, [86-150):3, [150-255:4', '4BUI', NULL)::" 21357"reclassarg\n" 21358" ) WHERE rid = 2;\n" 21359"\n" 21360"SELECT i as col, j as row,ST_Value(rast,1,i,j) As ov1, " 21361"ST_Value(reclass_rast, 1, i, j) As rv1,\n" 21362" ST_Value(rast,2,i,j) As ov2, ST_Value(reclass_rast, 2, i, j) As rv2,\n" 21363" ST_Value(rast,3,i,j) As ov3, ST_Value(reclass_rast, 3, i, j) As rv3\n" 21364"FROM dummy_rast CROSS JOIN generate_series(1, 3) AS i CROSS JOIN " 21365"generate_series(1,3) AS j\n" 21366"WHERE rid = 2;\n" 21367"\n" 21368"col | row | ov1 | rv1 | ov2 | rv2 | ov3 | rv3\n" 21369"----+-----+-----+-----+-----+-----+-----+-----\n" 21370" 1 | 1 | 253 | 1 | 78 | 9 | 70 | 1\n" 21371" 2 | 1 | 254 | 0 | 98 | 14 | 86 | 3\n" 21372" 3 | 1 | 253 | 1 | 122 | 0 | 100 | 3\n" 21373" 1 | 2 | 253 | 1 | 96 | 14 | 80 | 2\n" 21374" 2 | 2 | 254 | 0 | 118 | 0 | 108 | 3\n" 21375" 3 | 2 | 254 | 0 | 180 | 0 | 162 | 4\n" 21376" 1 | 3 | 250 | 1 | 99 | 15 | 90 | 3\n" 21377" 2 | 3 | 254 | 0 | 112 | 0 | 108 | 3\n" 21378" 3 | 3 | 254 | 0 | 169 | 0 | 175 | 4" 21379 21380#. Tag: title 21381#: reference_raster.xml:8530 21382#, no-c-format 21383msgid "" 21384"Example: Advanced Map a single band 32BF raster to multiple viewable bands" 21385msgstr "例: 単一バンドで32BFのラスタをの可視ラスタへの高度な対応付け" 21386 21387#. Tag: para 21388#: reference_raster.xml:8531 21389#, no-c-format 21390msgid "" 21391"Create a new 3 band (8BUI,8BUI,8BUI viewable raster) from a raster that has " 21392"only one 32bf band" 21393msgstr "" 21394"32BFバンドを一つ持つだけのラスタから三つのバンド (8BUI, 8BUI, 8BUI可視ラスタ)" 21395"を生成します。" 21396 21397#. Tag: programlisting 21398#: reference_raster.xml:8532 21399#, no-c-format 21400msgid "" 21401"ALTER TABLE wind ADD COLUMN rast_view raster;\n" 21402"UPDATE wind\n" 21403" set rast_view = ST_AddBand( NULL,\n" 21404" ARRAY[\n" 21405" ST_Reclass(rast, 1,'0.1-10]:1-10,9-10]:11,(11-33:0'::text, '8BUI'::" 21406"text,0),\n" 21407" ST_Reclass(rast,1, '11-33):0-255,[0-32:0,(34-1000:0'::text, '8BUI'::" 21408"text,0),\n" 21409" ST_Reclass(rast,1,'0-32]:0,(32-100:100-255'::text, '8BUI'::text,0)\n" 21410" ]\n" 21411" );" 21412msgstr "" 21413"ALTER TABLE wind ADD COLUMN rast_view raster;\n" 21414"UPDATE wind\n" 21415" set rast_view = ST_AddBand( NULL,\n" 21416" ARRAY[\n" 21417" ST_Reclass(rast, 1,'0.1-10]:1-10,9-10]:11,(11-33:0'::text, '8BUI'::" 21418"text,0),\n" 21419" ST_Reclass(rast,1, '11-33):0-255,[0-32:0,(34-1000:0'::text, '8BUI'::" 21420"text,0),\n" 21421" ST_Reclass(rast,1,'0-32]:0,(32-100:100-255'::text, '8BUI'::text,0)\n" 21422" ]\n" 21423" );" 21424 21425#. Tag: para 21426#: reference_raster.xml:8537 21427#, no-c-format 21428msgid "" 21429", <xref linkend=\"RT_ST_Band\"/>, <xref linkend=\"RT_ST_BandPixelType\"/>, " 21430"<xref linkend=\"RT_ST_MakeEmptyRaster\"/>, <xref linkend=\"reclassarg\"/>, " 21431"<xref linkend=\"RT_ST_Value\"/>" 21432msgstr "" 21433", <xref linkend=\"RT_ST_Band\"/>, <xref linkend=\"RT_ST_BandPixelType\"/>, " 21434"<xref linkend=\"RT_ST_MakeEmptyRaster\"/>, <xref linkend=\"reclassarg\"/>, " 21435"<xref linkend=\"RT_ST_Value\"/>" 21436 21437#. Tag: refname 21438#: reference_raster.xml:8550 21439#, no-c-format 21440msgid "ST_Union" 21441msgstr "ST_Union" 21442 21443#. Tag: refpurpose 21444#: reference_raster.xml:8551 21445#, no-c-format 21446msgid "" 21447"Returns the union of a set of raster tiles into a single raster composed of " 21448"1 or more bands." 21449msgstr "" 21450"ラスタタイルの集合を結合して1以上のバンドからなる単一ラスタを返します。" 21451 21452#. Tag: funcprototype 21453#: reference_raster.xml:8556 21454#, no-c-format 21455msgid "" 21456"<funcdef>raster <function>ST_Union</function></funcdef> " 21457"<paramdef><type>setof raster </type> <parameter>rast</parameter></paramdef>" 21458msgstr "" 21459"<funcdef>raster <function>ST_Union</function></funcdef> " 21460"<paramdef><type>setof raster </type> <parameter>rast</parameter></paramdef>" 21461 21462#. Tag: funcprototype 21463#: reference_raster.xml:8562 21464#, no-c-format 21465msgid "" 21466"<funcdef>raster <function>ST_Union</function></funcdef> " 21467"<paramdef><type>setof raster </type> <parameter>rast</parameter></paramdef> " 21468"<paramdef><type>unionarg[] </type> <parameter>unionargset</parameter></" 21469"paramdef>" 21470msgstr "" 21471"<funcdef>raster <function>ST_Union</function></funcdef> " 21472"<paramdef><type>setof raster </type> <parameter>rast</parameter></paramdef> " 21473"<paramdef><type>unionarg[] </type> <parameter>unionargset</parameter></" 21474"paramdef>" 21475 21476#. Tag: funcprototype 21477#: reference_raster.xml:8569 21478#, no-c-format 21479msgid "" 21480"<funcdef>raster <function>ST_Union</function></funcdef> " 21481"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21482"<paramdef><type>integer</type> <parameter>nband</parameter></paramdef>" 21483msgstr "" 21484"<funcdef>raster <function>ST_Union</function></funcdef> " 21485"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21486"<paramdef><type>integer</type> <parameter>nband</parameter></paramdef>" 21487 21488#. Tag: funcprototype 21489#: reference_raster.xml:8576 21490#, no-c-format 21491msgid "" 21492"<funcdef>raster <function>ST_Union</function></funcdef> " 21493"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21494"<paramdef><type>text</type> <parameter>uniontype</parameter></paramdef>" 21495msgstr "" 21496"<funcdef>raster <function>ST_Union</function></funcdef> " 21497"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21498"<paramdef><type>text</type> <parameter>uniontype</parameter></paramdef>" 21499 21500#. Tag: funcprototype 21501#: reference_raster.xml:8583 21502#, no-c-format 21503msgid "" 21504"<funcdef>raster <function>ST_Union</function></funcdef> " 21505"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21506"<paramdef><type>integer</type> <parameter>nband</parameter></paramdef> " 21507"<paramdef><type>text</type> <parameter>uniontype</parameter></paramdef>" 21508msgstr "" 21509"<funcdef>raster <function>ST_Union</function></funcdef> " 21510"<paramdef><type>setof raster</type> <parameter>rast</parameter></paramdef> " 21511"<paramdef><type>integer</type> <parameter>nband</parameter></paramdef> " 21512"<paramdef><type>text</type> <parameter>uniontype</parameter></paramdef>" 21513 21514#. Tag: para 21515#: reference_raster.xml:8595 21516#, no-c-format 21517msgid "" 21518"Returns the union of a set of raster tiles into a single raster composed of " 21519"at least one band. The resulting raster's extent is the extent of the whole " 21520"set. In the case of intersection, the resulting value is defined by " 21521"<varname>uniontype</varname> which is one of the following: LAST (default), " 21522"FIRST, MIN, MAX, COUNT, SUM, MEAN, RANGE." 21523msgstr "" 21524"ラスタタイルの集合を結合して少なくとも一つのバンドからなる単一ラスタを返しま" 21525"す。結果ラスタの範囲は集合全体の範囲です。インタセクトする場合には、結果値" 21526"は、LAST (デフォルト), FIRST, MIN, MAX, COUNT, SUM, MEAN, RANGEのいずれかとな" 21527"る<varname>uniontype</varname>で定義されます。" 21528 21529#. Tag: para 21530#: reference_raster.xml:8598 21531#, no-c-format 21532msgid "" 21533"In order for rasters to be unioned, they must all have the same alignment. " 21534"Use <xref linkend=\"RT_ST_SameAlignment\"/> and <xref linkend=" 21535"\"RT_ST_NotSameAlignmentReason\"/> for more details and help. One way to fix " 21536"alignment issues is to use <xref linkend=\"RT_ST_Resample\"/> and use the " 21537"same reference raster for alignment." 21538msgstr "" 21539"ラスタを結合するには、全てが同じアラインメントを持たなくてはなりません。" 21540"<xref linkend=\"RT_ST_SameAlignment\"/>と<xref linkend=" 21541"\"RT_ST_NotSameAlignmentReason\"/>で詳細情報や助けとなる情報が得られます。ア" 21542"ラインメント問題を修正する一つの方法として、<xref linkend=\"RT_ST_Resample\"/" 21543">を使い、アラインメントの同じ参照ラスタを使います。" 21544 21545#. Tag: para 21546#: reference_raster.xml:8602 21547#, no-c-format 21548msgid "Enhanced: 2.1.0 Improved Speed (fully C-Based)." 21549msgstr "Enhanced: 2.1.0 速度が改善されました (完全にC言語で記述しました)" 21550 21551#. Tag: para 21552#: reference_raster.xml:8603 21553#, no-c-format 21554msgid "Availability: 2.1.0 ST_Union(rast, unionarg) variant was introduced." 21555msgstr "Availability: 2.1.0 ST_Union(rast, unionarg)の形式が導入されました。" 21556 21557#. Tag: para 21558#: reference_raster.xml:8604 21559#, no-c-format 21560msgid "" 21561"Enhanced: 2.1.0 ST_Union(rast) (variant 1) unions all bands of all input " 21562"rasters. Prior versions of PostGIS assumed the first band." 21563msgstr "" 21564"Enhanced: 2.1.0 ST_Union(rast) (一つ目の形式)で、全ての入力ラスタの全てのバン" 21565"ドを結合するようになりました。以前の版のPostGISでは、一つ目のバンドと仮定して" 21566"いました。" 21567 21568#. Tag: para 21569#: reference_raster.xml:8605 21570#, no-c-format 21571msgid "" 21572"Enhanced: 2.1.0 ST_Union(rast, uniontype) (variant 4) unions all bands of " 21573"all input rasters." 21574msgstr "" 21575"Enhanced: 2.1.0 ST_Union(rast, uniontype) (四つ目の形式)で、全ての入力ラスタ" 21576"の全てのバンドを結合するようになりました。" 21577 21578#. Tag: title 21579#: reference_raster.xml:8608 21580#, no-c-format 21581msgid "Examples: Reconstitute a single band chunked raster tile" 21582msgstr "例: 塊になっているラスタタイルの単一バンドへの再構成" 21583 21584#. Tag: programlisting 21585#: reference_raster.xml:8609 21586#, no-c-format 21587msgid "" 21588"-- this creates a single band from first band of raster tiles\n" 21589"-- that form the original file system tile\n" 21590"SELECT filename, ST_Union(rast,1) As file_rast\n" 21591"FROM sometable WHERE filename IN('dem01', 'dem02') GROUP BY filename;" 21592msgstr "" 21593"-- ファイルシステムタイルの1番バンドから新しい単一バンドを生成します\n" 21594"SELECT filename, ST_Union(rast,1) As file_rast\n" 21595"FROM sometable WHERE filename IN('dem01', 'dem02') GROUP BY filename;" 21596 21597#. Tag: title 21598#: reference_raster.xml:8613 reference_raster.xml:8617 21599#, no-c-format 21600msgid "" 21601"Examples: Return a multi-band raster that is the union of tiles intersecting " 21602"geometry" 21603msgstr "" 21604"例: タイルのジオメトリとインタセクトするタイルを結合した複数バンドのラスタ" 21605 21606#. Tag: programlisting 21607#: reference_raster.xml:8614 21608#, no-c-format 21609msgid "" 21610"-- this creates a multi band raster collecting all the tiles that intersect " 21611"a line\n" 21612"-- Note: In 2.0, this would have just returned a single band raster\n" 21613"-- , new union works on all bands by default\n" 21614"-- this is equivalent to unionarg: ARRAY[ROW(1, 'LAST'), ROW(2, 'LAST'), " 21615"ROW(3, 'LAST')]::unionarg[]\n" 21616"SELECT ST_Union(rast)\n" 21617"FROM aerials.boston\n" 21618"WHERE ST_Intersects(rast, ST_GeomFromText('LINESTRING(230486 887771, 230500 " 21619"88772)',26986) );" 21620msgstr "" 21621"-- ラインとインタセクトするタイルを結合した複数バンドラスタを生成します\n" 21622"-- ご注意: 2.0では、単一バンドのラスタを帰すだけです\n" 21623"-- これはunionargで\n" 21624"-- ARRAY[ROW(1, 'LAST'), ROW(2, 'LAST'), ROW(3, 'LAST')]::unionarg[]\n" 21625"-- を指定するのと同じです。\n" 21626"SELECT ST_Union(rast)\n" 21627"FROM aerials.boston\n" 21628"WHERE ST_Intersects(rast, ST_GeomFromText('LINESTRING(230486 887771, 230500 " 21629"88772)',26986) );" 21630 21631#. Tag: para 21632#: reference_raster.xml:8618 21633#, no-c-format 21634msgid "" 21635"Here we use the longer syntax if we only wanted a subset of bands or we want " 21636"to change order of bands" 21637msgstr "" 21638"バンドの部分集合が欲しいだけの場合や、バンドの並び順を変更したい場合には、よ" 21639"り長い書き方にします。" 21640 21641#. Tag: programlisting 21642#: reference_raster.xml:8619 21643#, no-c-format 21644msgid "" 21645"-- this creates a multi band raster collecting all the tiles that intersect " 21646"a line\n" 21647"SELECT ST_Union(rast,ARRAY[ROW(2, 'LAST'), ROW(1, 'LAST'), ROW(3, 'LAST')]::" 21648"unionarg[])\n" 21649"FROM aerials.boston\n" 21650"WHERE ST_Intersects(rast, ST_GeomFromText('LINESTRING(230486 887771, 230500 " 21651"88772)',26986) );" 21652msgstr "" 21653"-- ラインとインタセクトするタイルを結合した複数バンドラスタを生成します\n" 21654"SELECT ST_Union(rast,ARRAY[ROW(2, 'LAST'), ROW(1, 'LAST'), ROW(3, 'LAST')]::" 21655"unionarg[])\n" 21656"FROM aerials.boston\n" 21657"WHERE ST_Intersects(rast, ST_GeomFromText('LINESTRING(230486 887771, 230500 " 21658"88772)',26986) );" 21659 21660#. Tag: para 21661#: reference_raster.xml:8625 21662#, no-c-format 21663msgid "" 21664", <xref linkend=\"RT_ST_Envelope\"/>, <xref linkend=\"RT_ST_ConvexHull\"/>, " 21665"<xref linkend=\"RT_ST_Clip\"/>, <xref linkend=\"ST_Union\"/>" 21666msgstr "" 21667", <xref linkend=\"RT_ST_Envelope\"/>, <xref linkend=\"RT_ST_ConvexHull\"/>, " 21668"<xref linkend=\"RT_ST_Clip\"/>, <xref linkend=\"ST_Union\"/>" 21669 21670#. Tag: title 21671#: reference_raster.xml:8638 21672#, no-c-format 21673msgid "Built-in Map Algebra Callback Functions" 21674msgstr "組み込み地図代数コールバック関数" 21675 21676#. Tag: refname 21677#: reference_raster.xml:8642 21678#, no-c-format 21679msgid "ST_Distinct4ma" 21680msgstr "ST_Distinct4ma" 21681 21682#. Tag: refpurpose 21683#: reference_raster.xml:8643 21684#, no-c-format 21685msgid "" 21686"Raster processing function that calculates the number of unique pixel values " 21687"in a neighborhood." 21688msgstr "近隣のピクセル値のうち一意となるものを数えるラスタ処理関数です。" 21689 21690#. Tag: funcsynopsis 21691#: reference_raster.xml:8647 21692#, no-c-format 21693msgid "" 21694"<funcprototype> <funcdef>float8 <function>ST_Distinct4ma</function></" 21695"funcdef> <paramdef><type>float8[][]</type> <parameter>matrix</parameter></" 21696"paramdef> <paramdef><type>text</type> <parameter>nodatamode</parameter></" 21697"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC args</" 21698"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>double " 21699"precision <function>ST_Distinct4ma</function></funcdef> " 21700"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 21701"paramdef> <paramdef><type>integer[][] </type> <parameter>pos</parameter></" 21702"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 21703"parameter></paramdef> </funcprototype>" 21704msgstr "" 21705"<funcprototype> <funcdef>float8 <function>ST_Distinct4ma</function></" 21706"funcdef> <paramdef><type>float8[][]</type> <parameter>matrix</parameter></" 21707"paramdef> <paramdef><type>text</type> <parameter>nodatamode</parameter></" 21708"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC args</" 21709"parameter></paramdef> </funcprototype> <funcprototype> <funcdef>double " 21710"precision <function>ST_Distinct4ma</function></funcdef> " 21711"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 21712"paramdef> <paramdef><type>integer[][] </type> <parameter>pos</parameter></" 21713"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 21714"parameter></paramdef> </funcprototype>" 21715 21716#. Tag: para 21717#: reference_raster.xml:8667 21718#, no-c-format 21719msgid "" 21720"Calculate the number of unique pixel values in a neighborhood of pixels." 21721msgstr "近隣のピクセル値のうち一意となるものを数えます。" 21722 21723#. Tag: para 21724#: reference_raster.xml:8670 reference_raster.xml:8809 21725#: reference_raster.xml:8884 reference_raster.xml:8969 21726#: reference_raster.xml:9094 reference_raster.xml:9165 21727#: reference_raster.xml:9240 21728#, no-c-format 21729msgid "" 21730"Variant 1 is a specialized callback function for use as a callback parameter " 21731"to <xref linkend=\"RT_ST_MapAlgebraFctNgb\"/>." 21732msgstr "" 21733"一つ目の形式は、<xref linkend=\"RT_ST_MapAlgebraFctNgb\"/>へのコールバック引" 21734"数として使用する専用コールバック関数です。" 21735 21736#. Tag: para 21737#: reference_raster.xml:8674 reference_raster.xml:8813 21738#: reference_raster.xml:8888 reference_raster.xml:8975 21739#: reference_raster.xml:9098 reference_raster.xml:9169 21740#: reference_raster.xml:9244 21741#, no-c-format 21742msgid "" 21743"Variant 2 is a specialized callback function for use as a callback parameter " 21744"to <xref linkend=\"RT_ST_MapAlgebra\"/>." 21745msgstr "" 21746"二つ目の形式は、<xref linkend=\"RT_ST_MapAlgebra\"/>へのコールバック引数とし" 21747"て使用する専用コールバック関数です。" 21748 21749#. Tag: para 21750#: reference_raster.xml:8680 reference_raster.xml:8819 21751#: reference_raster.xml:8894 reference_raster.xml:8981 21752#: reference_raster.xml:9104 reference_raster.xml:9175 21753#: reference_raster.xml:9250 21754#, no-c-format 21755msgid "" 21756"Use of Variant 1 is discouraged since <xref linkend=\"RT_ST_MapAlgebraFctNgb" 21757"\"/> has been deprecated as of 2.1.0." 21758msgstr "" 21759"一つ目の形式は、<xref linkend=\"RT_ST_MapAlgebraFctNgb\"/>が2.1.0で非推奨と" 21760"なったので、使用しないようになります。" 21761 21762#. Tag: para 21763#: reference_raster.xml:8686 reference_raster.xml:8825 21764#: reference_raster.xml:8900 reference_raster.xml:8987 21765#: reference_raster.xml:9110 reference_raster.xml:9181 21766#: reference_raster.xml:9256 21767#, no-c-format 21768msgid "Enhanced: 2.1.0 Addition of Variant 2" 21769msgstr "Enhanced: 2.1.0 二つ目の形式の追加" 21770 21771#. Tag: programlisting 21772#: reference_raster.xml:8692 21773#, no-c-format 21774msgid "" 21775"SELECT\n" 21776" rid,\n" 21777" st_value(\n" 21778" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_distinct4ma(float[][]," 21779"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 21780" )\n" 21781"FROM dummy_rast\n" 21782"WHERE rid = 2;\n" 21783" rid | st_value\n" 21784"-----+----------\n" 21785" 2 | 3\n" 21786"(1 row)" 21787msgstr "" 21788"SELECT\n" 21789" rid,\n" 21790" st_value(\n" 21791" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_distinct4ma(float[][]," 21792"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 21793" )\n" 21794"FROM dummy_rast\n" 21795"WHERE rid = 2;\n" 21796" rid | st_value\n" 21797"-----+----------\n" 21798" 2 | 3\n" 21799"(1 row)" 21800 21801#. Tag: para 21802#: reference_raster.xml:8698 reference_raster.xml:9122 21803#: reference_raster.xml:9193 21804#, no-c-format 21805msgid "" 21806", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 21807"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Sum4ma\"/>, <xref " 21808"linkend=\"RT_ST_Mean4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 21809"linkend=\"RT_ST_StdDev4ma\"/>" 21810msgstr "" 21811", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 21812"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Sum4ma\"/>, <xref " 21813"linkend=\"RT_ST_Mean4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 21814"linkend=\"RT_ST_StdDev4ma\"/>" 21815 21816#. Tag: refname 21817#: reference_raster.xml:8713 21818#, no-c-format 21819msgid "ST_InvDistWeight4ma" 21820msgstr "ST_InvDistWeight4ma" 21821 21822#. Tag: refpurpose 21823#: reference_raster.xml:8714 21824#, no-c-format 21825msgid "" 21826"Raster processing function that interpolates a pixel's value from the " 21827"pixel's neighborhood." 21828msgstr "近隣のピクセル値の内挿補間を行うラスタ処理関数です。" 21829 21830#. Tag: funcprototype 21831#: reference_raster.xml:8719 21832#, no-c-format 21833msgid "" 21834"<funcdef>double precision <function>ST_InvDistWeight4ma</function></funcdef> " 21835"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 21836"paramdef> <paramdef><type>integer[][]</type> <parameter>pos</parameter></" 21837"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 21838"parameter></paramdef>" 21839msgstr "" 21840"<funcdef>double precision <function>ST_InvDistWeight4ma</function></funcdef> " 21841"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 21842"paramdef> <paramdef><type>integer[][]</type> <parameter>pos</parameter></" 21843"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 21844"parameter></paramdef>" 21845 21846#. Tag: para 21847#: reference_raster.xml:8731 21848#, no-c-format 21849msgid "" 21850"Calculate an interpolated value for a pixel using the Inverse Distance " 21851"Weighted method." 21852msgstr "" 21853"近隣のピクセル値の逆距離加重法 (IDW=Inverse Distance Weighted method)による内" 21854"挿補間を行います。" 21855 21856#. Tag: para 21857#: reference_raster.xml:8733 21858#, no-c-format 21859msgid "" 21860"There are two optional parameters that can be passed through " 21861"<varname>userargs</varname>. The first parameter is the power factor " 21862"(variable k in the equation below) between 0 and 1 used in the Inverse " 21863"Distance Weighted equation. If not specified, default value is 1. The second " 21864"parameter is the weight percentage applied only when the value of the pixel " 21865"of interest is included with the interpolated value from the neighborhood. " 21866"If not specified and the pixel of interest has a value, that value is " 21867"returned." 21868msgstr "" 21869"<varname>userargsに</varname>渡される、二つの任意引数があります。一つ目は、逆" 21870"距離加重法の式に与える0から1の間を取る冪数 (下の式の変数k)です。指定しない場" 21871"合には、デフォルトは1とします。二つ目は、対象ピクセルの値が近隣セルからの補間" 21872"値に含まれている場合にのみ適用される重み率です。指定せず、かつ対象ピクセルが" 21873"値を持っている場合には、そのピクセルの持つ値が返されます。" 21874 21875#. Tag: para 21876#: reference_raster.xml:8737 21877#, no-c-format 21878msgid "The basic inverse distance weight equation is:" 21879msgstr "基本的な逆距離加重法の方程式は次の通りです。" 21880 21881#. Tag: para 21882#: reference_raster.xml:8746 21883#, no-c-format 21884msgid "k = power factor, a real number between 0 and 1" 21885msgstr "k = 冪数で、0から1の浮動小数点数を取ります。" 21886 21887#. Tag: para 21888#: reference_raster.xml:8755 reference_raster.xml:9040 21889#, no-c-format 21890msgid "" 21891"This function is a specialized callback function for use as a callback " 21892"parameter to <xref linkend=\"RT_ST_MapAlgebra\"/>." 21893msgstr "" 21894"この関数は<xref linkend=\"RT_ST_MapAlgebra\"/>へのコールバック引数として使用" 21895"する専用コールバック関数です。" 21896 21897#. Tag: programlisting 21898#: reference_raster.xml:8763 reference_raster.xml:9048 21899#, no-c-format 21900msgid "-- NEEDS EXAMPLE" 21901msgstr "-- 例が必要" 21902 21903#. Tag: para 21904#: reference_raster.xml:8768 21905#, no-c-format 21906msgid ", <xref linkend=\"RT_ST_MinDist4ma\"/>" 21907msgstr ", <xref linkend=\"RT_ST_MinDist4ma\"/>" 21908 21909#. Tag: refname 21910#: reference_raster.xml:8777 21911#, no-c-format 21912msgid "ST_Max4ma" 21913msgstr "ST_Max4ma" 21914 21915#. Tag: refpurpose 21916#: reference_raster.xml:8778 21917#, no-c-format 21918msgid "" 21919"Raster processing function that calculates the maximum pixel value in a " 21920"neighborhood." 21921msgstr "近隣のピクセル値の最大値を計算するラスタ処理関数です。" 21922 21923#. Tag: funcsynopsis 21924#: reference_raster.xml:8782 21925#, no-c-format 21926msgid "" 21927"<funcprototype> <funcdef>float8 <function>ST_Max4ma</function></funcdef> " 21928"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 21929"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 21930"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 21931"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 21932"<function>ST_Max4ma</function></funcdef> <paramdef><type>double precision[][]" 21933"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 21934"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 21935"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 21936msgstr "" 21937"<funcprototype> <funcdef>float8 <function>ST_Max4ma</function></funcdef> " 21938"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 21939"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 21940"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 21941"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 21942"<function>ST_Max4ma</function></funcdef> <paramdef><type>double precision[][]" 21943"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 21944"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 21945"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 21946 21947#. Tag: para 21948#: reference_raster.xml:8802 21949#, no-c-format 21950msgid "Calculate the maximum pixel value in a neighborhood of pixels." 21951msgstr "近隣のピクセル値の最大値を計算します。" 21952 21953#. Tag: para 21954#: reference_raster.xml:8804 reference_raster.xml:8879 21955#: reference_raster.xml:8964 reference_raster.xml:9089 21956#: reference_raster.xml:9235 21957#, no-c-format 21958msgid "" 21959"For Variant 2, a substitution value for NODATA pixels can be specified by " 21960"passing that value to userargs." 21961msgstr "" 21962"二つ目の形式では、userargsに渡す値でNODATAピクセルに代入する値を指定できま" 21963"す。" 21964 21965#. Tag: programlisting 21966#: reference_raster.xml:8831 21967#, no-c-format 21968msgid "" 21969"SELECT\n" 21970" rid,\n" 21971" st_value(\n" 21972" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_max4ma(float[][],text," 21973"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 21974" )\n" 21975"FROM dummy_rast\n" 21976"WHERE rid = 2;\n" 21977" rid | st_value\n" 21978"-----+----------\n" 21979" 2 | 254\n" 21980"(1 row)" 21981msgstr "" 21982"SELECT\n" 21983" rid,\n" 21984" st_value(\n" 21985" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_max4ma(float[][],text," 21986"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 21987" )\n" 21988"FROM dummy_rast\n" 21989"WHERE rid = 2;\n" 21990" rid | st_value\n" 21991"-----+----------\n" 21992" 2 | 254\n" 21993"(1 row)" 21994 21995#. Tag: para 21996#: reference_raster.xml:8837 21997#, no-c-format 21998msgid "" 21999", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22000"<xref linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22001"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22002"linkend=\"RT_ST_StdDev4ma\"/>" 22003msgstr "" 22004", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22005"<xref linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22006"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22007"linkend=\"RT_ST_StdDev4ma\"/>" 22008 22009#. Tag: refname 22010#: reference_raster.xml:8852 22011#, no-c-format 22012msgid "ST_Mean4ma" 22013msgstr "ST_Mean4ma" 22014 22015#. Tag: refpurpose 22016#: reference_raster.xml:8853 22017#, no-c-format 22018msgid "" 22019"Raster processing function that calculates the mean pixel value in a " 22020"neighborhood." 22021msgstr "近隣のピクセル値の平均値を計算するラスタ処理関数です。" 22022 22023#. Tag: funcsynopsis 22024#: reference_raster.xml:8857 22025#, no-c-format 22026msgid "" 22027"<funcprototype> <funcdef>float8 <function>ST_Mean4ma</function></funcdef> " 22028"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22029"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22030"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22031"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22032"<function>ST_Mean4ma</function></funcdef> <paramdef><type>double precision[]" 22033"[][]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22034"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22035"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22036msgstr "" 22037"<funcprototype> <funcdef>float8 <function>ST_Mean4ma</function></funcdef> " 22038"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22039"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22040"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22041"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22042"<function>ST_Mean4ma</function></funcdef> <paramdef><type>double precision[]" 22043"[][]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22044"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22045"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22046 22047#. Tag: para 22048#: reference_raster.xml:8877 22049#, no-c-format 22050msgid "Calculate the mean pixel value in a neighborhood of pixels." 22051msgstr "近隣のピクセル値の平均値を計算します。" 22052 22053#. Tag: programlisting 22054#: reference_raster.xml:8906 22055#, no-c-format 22056msgid "" 22057"SELECT\n" 22058" rid,\n" 22059" st_value(\n" 22060" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_mean4ma(float[][]," 22061"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22062" )\n" 22063"FROM dummy_rast\n" 22064"WHERE rid = 2;\n" 22065" rid | st_value\n" 22066"-----+------------------\n" 22067" 2 | 253.222229003906\n" 22068"(1 row)" 22069msgstr "" 22070"SELECT\n" 22071" rid,\n" 22072" st_value(\n" 22073" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_mean4ma(float[][]," 22074"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22075" )\n" 22076"FROM dummy_rast\n" 22077"WHERE rid = 2;\n" 22078" rid | st_value\n" 22079"-----+------------------\n" 22080" 2 | 253.222229003906\n" 22081"(1 row)" 22082 22083#. Tag: programlisting 22084#: reference_raster.xml:8913 22085#, no-c-format 22086msgid "" 22087"SELECT\n" 22088" rid,\n" 22089" st_value(\n" 22090" ST_MapAlgebra(rast, 1, 'st_mean4ma(double precision[][][], " 22091"integer[][], text[])'::regprocedure,'32BF', 'FIRST', NULL, 1, 1)\n" 22092" , 2, 2)\n" 22093" FROM dummy_rast\n" 22094" WHERE rid = 2;\n" 22095" rid | st_value\n" 22096"-----+------------------\n" 22097" 2 | 253.222229003906\n" 22098"(1 row)" 22099msgstr "" 22100"SELECT\n" 22101" rid,\n" 22102" st_value(\n" 22103" ST_MapAlgebra(rast, 1, 'st_mean4ma(double precision[][][], " 22104"integer[][], text[])'::regprocedure,'32BF', 'FIRST', NULL, 1, 1)\n" 22105" , 2, 2)\n" 22106" FROM dummy_rast\n" 22107" WHERE rid = 2;\n" 22108" rid | st_value\n" 22109"-----+------------------\n" 22110" 2 | 253.222229003906\n" 22111"(1 row)" 22112 22113#. Tag: para 22114#: reference_raster.xml:8919 22115#, no-c-format 22116msgid "" 22117", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22118"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Sum4ma\"/>, <xref " 22119"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_StdDev4ma\"/>" 22120msgstr "" 22121", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22122"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Sum4ma\"/>, <xref " 22123"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_StdDev4ma\"/>" 22124 22125#. Tag: refname 22126#: reference_raster.xml:8933 22127#, no-c-format 22128msgid "ST_Min4ma" 22129msgstr "ST_Min4ma" 22130 22131#. Tag: refpurpose 22132#: reference_raster.xml:8934 22133#, no-c-format 22134msgid "" 22135"Raster processing function that calculates the minimum pixel value in a " 22136"neighborhood." 22137msgstr "近隣のピクセル値の最小値を計算するラスタ処理関数です。" 22138 22139#. Tag: funcsynopsis 22140#: reference_raster.xml:8940 22141#, no-c-format 22142msgid "" 22143"<funcprototype> <funcdef>float8 <function>ST_Min4ma</function></funcdef> " 22144"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22145"<paramdef><type>text </type> <parameter>nodatamode</parameter></paramdef> " 22146"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22147"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22148"<function>ST_Min4ma</function></funcdef> <paramdef><type>double precision[][]" 22149"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22150"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22151"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22152msgstr "" 22153"<funcprototype> <funcdef>float8 <function>ST_Min4ma</function></funcdef> " 22154"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22155"<paramdef><type>text </type> <parameter>nodatamode</parameter></paramdef> " 22156"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22157"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22158"<function>ST_Min4ma</function></funcdef> <paramdef><type>double precision[][]" 22159"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22160"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22161"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22162 22163#. Tag: para 22164#: reference_raster.xml:8960 22165#, no-c-format 22166msgid "Calculate the minimum pixel value in a neighborhood of pixels." 22167msgstr "近隣のピクセル値の最小値を計算します。" 22168 22169#. Tag: programlisting 22170#: reference_raster.xml:8993 22171#, no-c-format 22172msgid "" 22173"SELECT\n" 22174" rid,\n" 22175" st_value(\n" 22176" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_min4ma(float[][],text," 22177"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22178" )\n" 22179"FROM dummy_rast\n" 22180"WHERE rid = 2;\n" 22181" rid | st_value\n" 22182"-----+----------\n" 22183" 2 | 250\n" 22184"(1 row)" 22185msgstr "" 22186"SELECT\n" 22187" rid,\n" 22188" st_value(\n" 22189" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_min4ma(float[][],text," 22190"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22191" )\n" 22192"FROM dummy_rast\n" 22193"WHERE rid = 2;\n" 22194" rid | st_value\n" 22195"-----+----------\n" 22196" 2 | 250\n" 22197"(1 row)" 22198 22199#. Tag: para 22200#: reference_raster.xml:8998 22201#, no-c-format 22202msgid "" 22203", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Max4ma\"/>, " 22204"<xref linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22205"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22206"linkend=\"RT_ST_StdDev4ma\"/>" 22207msgstr "" 22208", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Max4ma\"/>, " 22209"<xref linkend=\"RT_ST_Sum4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22210"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22211"linkend=\"RT_ST_StdDev4ma\"/>" 22212 22213#. Tag: refname 22214#: reference_raster.xml:9013 22215#, no-c-format 22216msgid "ST_MinDist4ma" 22217msgstr "ST_MinDist4ma" 22218 22219#. Tag: refpurpose 22220#: reference_raster.xml:9014 22221#, no-c-format 22222msgid "" 22223"Raster processing function that returns the minimum distance (in number of " 22224"pixels) between the pixel of interest and a neighboring pixel with value." 22225msgstr "" 22226"対象ピクセルと値を持つ近隣ピクセルとの最短距離をピクセル単位で返すラスタ処理" 22227"関数です。" 22228 22229#. Tag: funcprototype 22230#: reference_raster.xml:9019 22231#, no-c-format 22232msgid "" 22233"<funcdef>double precision <function>ST_MinDist4ma</function></funcdef> " 22234"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 22235"paramdef> <paramdef><type>integer[][]</type> <parameter>pos</parameter></" 22236"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 22237"parameter></paramdef>" 22238msgstr "" 22239"<funcdef>double precision <function>ST_MinDist4ma</function></funcdef> " 22240"<paramdef><type>double precision[][][]</type> <parameter>value</parameter></" 22241"paramdef> <paramdef><type>integer[][]</type> <parameter>pos</parameter></" 22242"paramdef> <paramdef><type>text[]</type> <parameter>VARIADIC userargs</" 22243"parameter></paramdef>" 22244 22245#. Tag: para 22246#: reference_raster.xml:9031 22247#, no-c-format 22248msgid "" 22249"Return the shortest distance (in number of pixels) between the pixel of " 22250"interest and the closest pixel with value in the neighborhood." 22251msgstr "" 22252"対象ピクセルと値を持つ近隣ピクセルとの最短距離をピクセル単位で返します。" 22253 22254#. Tag: para 22255#: reference_raster.xml:9034 22256#, no-c-format 22257msgid "" 22258"The intent of this function is to provide an informative data point that " 22259"helps infer the usefulness of the pixel of interest's interpolated value " 22260"from <xref linkend=\"RT_ST_InvDistWeight4ma\"/>. This function is " 22261"particularly useful when the neighborhood is sparsely populated." 22262msgstr "" 22263"この関数の意図は、<xref linkend=\"RT_ST_InvDistWeight4ma\"/>から対象ピクセル" 22264"の内挿補間された値の有用性を判断することを補助するのに有益なデータポイントを" 22265"提供することです。この関数は近隣セルの密度が小さい時に特に使えます。" 22266 22267#. Tag: para 22268#: reference_raster.xml:9053 22269#, no-c-format 22270msgid ", <xref linkend=\"RT_ST_InvDistWeight4ma\"/>" 22271msgstr ", <xref linkend=\"RT_ST_InvDistWeight4ma\"/>" 22272 22273#. Tag: refname 22274#: reference_raster.xml:9062 22275#, no-c-format 22276msgid "ST_Range4ma" 22277msgstr "ST_Range4ma" 22278 22279#. Tag: refpurpose 22280#: reference_raster.xml:9063 22281#, no-c-format 22282msgid "" 22283"Raster processing function that calculates the range of pixel values in a " 22284"neighborhood." 22285msgstr "近隣のピクセル値の範囲を計算するラスタ処理関数です。" 22286 22287#. Tag: funcsynopsis 22288#: reference_raster.xml:9067 22289#, no-c-format 22290msgid "" 22291"<funcprototype> <funcdef>float8 <function>ST_Range4ma</function></funcdef> " 22292"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22293"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22294"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22295"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22296"<function>ST_Range4ma</function></funcdef> <paramdef><type>double precision[]" 22297"[][]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22298"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22299"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22300msgstr "" 22301"<funcprototype> <funcdef>float8 <function>ST_Range4ma</function></funcdef> " 22302"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22303"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22304"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22305"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22306"<function>ST_Range4ma</function></funcdef> <paramdef><type>double precision[]" 22307"[][]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22308"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22309"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22310 22311#. Tag: para 22312#: reference_raster.xml:9087 22313#, no-c-format 22314msgid "Calculate the range of pixel values in a neighborhood of pixels." 22315msgstr "近隣のピクセル値の範囲を計算します。" 22316 22317#. Tag: programlisting 22318#: reference_raster.xml:9116 22319#, no-c-format 22320msgid "" 22321"SELECT\n" 22322" rid,\n" 22323" st_value(\n" 22324" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_range4ma(float[][],text," 22325"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22326" )\n" 22327"FROM dummy_rast\n" 22328"WHERE rid = 2;\n" 22329" rid | st_value\n" 22330"-----+----------\n" 22331" 2 | 4\n" 22332"(1 row)" 22333msgstr "" 22334"SELECT\n" 22335" rid,\n" 22336" st_value(\n" 22337" st_mapalgebrafctngb(rast, 1, NULL, 1, 1, 'st_range4ma(float[][],text," 22338"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22339" )\n" 22340"FROM dummy_rast\n" 22341"WHERE rid = 2;\n" 22342" rid | st_value\n" 22343"-----+----------\n" 22344" 2 | 4\n" 22345"(1 row)" 22346 22347#. Tag: refname 22348#: reference_raster.xml:9137 22349#, no-c-format 22350msgid "ST_StdDev4ma" 22351msgstr "ST_StdDev4ma" 22352 22353#. Tag: refpurpose 22354#: reference_raster.xml:9138 22355#, no-c-format 22356msgid "" 22357"Raster processing function that calculates the standard deviation of pixel " 22358"values in a neighborhood." 22359msgstr "近隣のピクセル値の標準偏差を計算するラスタ処理関数です。" 22360 22361#. Tag: funcsynopsis 22362#: reference_raster.xml:9142 22363#, no-c-format 22364msgid "" 22365"<funcprototype> <funcdef>float8 <function>ST_StdDev4ma</function></funcdef> " 22366"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22367"<paramdef><type>text </type> <parameter>nodatamode</parameter></paramdef> " 22368"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22369"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22370"<function>ST_StdDev4ma</function></funcdef> <paramdef><type>double " 22371"precision[][][]</type> <parameter>value</parameter></paramdef> " 22372"<paramdef><type>integer[][] </type> <parameter>pos</parameter></paramdef> " 22373"<paramdef><type>text[]</type> <parameter>VARIADIC userargs</parameter></" 22374"paramdef> </funcprototype>" 22375msgstr "" 22376"<funcprototype> <funcdef>float8 <function>ST_StdDev4ma</function></funcdef> " 22377"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22378"<paramdef><type>text </type> <parameter>nodatamode</parameter></paramdef> " 22379"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22380"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22381"<function>ST_StdDev4ma</function></funcdef> <paramdef><type>double " 22382"precision[][][]</type> <parameter>value</parameter></paramdef> " 22383"<paramdef><type>integer[][] </type> <parameter>pos</parameter></paramdef> " 22384"<paramdef><type>text[]</type> <parameter>VARIADIC userargs</parameter></" 22385"paramdef> </funcprototype>" 22386 22387#. Tag: para 22388#: reference_raster.xml:9162 22389#, no-c-format 22390msgid "" 22391"Calculate the standard deviation of pixel values in a neighborhood of pixels." 22392msgstr "近隣のピクセル値の標準偏差を計算します。" 22393 22394#. Tag: programlisting 22395#: reference_raster.xml:9187 22396#, no-c-format 22397msgid "" 22398"SELECT\n" 22399" rid,\n" 22400" st_value(\n" 22401" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_stddev4ma(float[][]," 22402"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22403" )\n" 22404"FROM dummy_rast\n" 22405"WHERE rid = 2;\n" 22406" rid | st_value\n" 22407"-----+------------------\n" 22408" 2 | 1.30170822143555\n" 22409"(1 row)" 22410msgstr "" 22411"SELECT\n" 22412" rid,\n" 22413" st_value(\n" 22414" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_stddev4ma(float[][]," 22415"text,text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22416" )\n" 22417"FROM dummy_rast\n" 22418"WHERE rid = 2;\n" 22419" rid | st_value\n" 22420"-----+------------------\n" 22421" 2 | 1.30170822143555\n" 22422"(1 row)" 22423 22424#. Tag: refname 22425#: reference_raster.xml:9208 22426#, no-c-format 22427msgid "ST_Sum4ma" 22428msgstr "ST_Sum4ma" 22429 22430#. Tag: refpurpose 22431#: reference_raster.xml:9209 22432#, no-c-format 22433msgid "" 22434"Raster processing function that calculates the sum of all pixel values in a " 22435"neighborhood." 22436msgstr "近隣のピクセル値の合計を計算するラスタ処理関数です。" 22437 22438#. Tag: funcsynopsis 22439#: reference_raster.xml:9213 22440#, no-c-format 22441msgid "" 22442"<funcprototype> <funcdef>float8 <function>ST_Sum4ma</function></funcdef> " 22443"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22444"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22445"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22446"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22447"<function>ST_Sum4ma</function></funcdef> <paramdef><type>double precision[][]" 22448"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22449"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22450"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22451msgstr "" 22452"<funcprototype> <funcdef>float8 <function>ST_Sum4ma</function></funcdef> " 22453"<paramdef><type>float8[][]</type> <parameter>matrix</parameter></paramdef> " 22454"<paramdef><type>text</type> <parameter>nodatamode</parameter></paramdef> " 22455"<paramdef><type>text[]</type> <parameter>VARIADIC args</parameter></" 22456"paramdef> </funcprototype> <funcprototype> <funcdef>double precision " 22457"<function>ST_Sum4ma</function></funcdef> <paramdef><type>double precision[][]" 22458"[]</type> <parameter>value</parameter></paramdef> <paramdef><type>integer[]" 22459"[] </type> <parameter>pos</parameter></paramdef> <paramdef><type>text[]</" 22460"type> <parameter>VARIADIC userargs</parameter></paramdef> </funcprototype>" 22461 22462#. Tag: para 22463#: reference_raster.xml:9233 22464#, no-c-format 22465msgid "Calculate the sum of all pixel values in a neighborhood of pixels." 22466msgstr "近隣のピクセル値の合計を計算します。" 22467 22468#. Tag: programlisting 22469#: reference_raster.xml:9262 22470#, no-c-format 22471msgid "" 22472"SELECT\n" 22473" rid,\n" 22474" st_value(\n" 22475" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_sum4ma(float[][],text," 22476"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22477" )\n" 22478"FROM dummy_rast\n" 22479"WHERE rid = 2;\n" 22480" rid | st_value\n" 22481"-----+----------\n" 22482" 2 | 2279\n" 22483"(1 row)" 22484msgstr "" 22485"SELECT\n" 22486" rid,\n" 22487" st_value(\n" 22488" st_mapalgebrafctngb(rast, 1, '32BF', 1, 1, 'st_sum4ma(float[][],text," 22489"text[])'::regprocedure, 'ignore', NULL), 2, 2\n" 22490" )\n" 22491"FROM dummy_rast\n" 22492"WHERE rid = 2;\n" 22493" rid | st_value\n" 22494"-----+----------\n" 22495" 2 | 2279\n" 22496"(1 row)" 22497 22498#. Tag: para 22499#: reference_raster.xml:9268 22500#, no-c-format 22501msgid "" 22502", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22503"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22504"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22505"linkend=\"RT_ST_StdDev4ma\"/>" 22506msgstr "" 22507", <xref linkend=\"RT_ST_MapAlgebra\"/>, <xref linkend=\"RT_ST_Min4ma\"/>, " 22508"<xref linkend=\"RT_ST_Max4ma\"/>, <xref linkend=\"RT_ST_Mean4ma\"/>, <xref " 22509"linkend=\"RT_ST_Range4ma\"/>, <xref linkend=\"RT_ST_Distinct4ma\"/>, <xref " 22510"linkend=\"RT_ST_StdDev4ma\"/>" 22511 22512#. Tag: title 22513#: reference_raster.xml:9284 22514#, no-c-format 22515msgid "DEM (Elevation)" 22516msgstr "DEM (標高)" 22517 22518#. Tag: refname 22519#: reference_raster.xml:9288 22520#, no-c-format 22521msgid "ST_Aspect" 22522msgstr "ST_Aspect" 22523 22524#. Tag: refpurpose 22525#: reference_raster.xml:9289 22526#, no-c-format 22527msgid "" 22528"Returns the aspect (in degrees by default) of an elevation raster band. " 22529"Useful for analyzing terrain." 22530msgstr "" 22531"標高ラスタバンドの傾斜方向 (デフォルトの単位は度)を返します。地形解析に使えま" 22532"す。" 22533 22534#. Tag: funcsynopsis 22535#: reference_raster.xml:9292 22536#, no-c-format 22537msgid "" 22538"<funcprototype> <funcdef>raster <function>ST_Aspect</function></funcdef> " 22539"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22540"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 22541"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 22542"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22543"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 22544"<paramdef choice=\"opt\"><type>boolean </type> " 22545"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype> " 22546"<funcprototype> <funcdef>raster <function>ST_Aspect</function></funcdef> " 22547"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22548"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 22549"<paramdef><type>raster </type> <parameter>customextent</parameter></" 22550"paramdef> <paramdef choice=\"opt\"><type>text </type> " 22551"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22552"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 22553"<paramdef choice=\"opt\"><type>boolean </type> " 22554"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype>" 22555msgstr "" 22556"<funcprototype> <funcdef>raster <function>ST_Aspect</function></funcdef> " 22557"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22558"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 22559"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 22560"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22561"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 22562"<paramdef choice=\"opt\"><type>boolean </type> " 22563"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype> " 22564"<funcprototype> <funcdef>raster <function>ST_Aspect</function></funcdef> " 22565"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22566"<paramdef><type>integer </type> <parameter>band</parameter></paramdef> " 22567"<paramdef><type>raster </type> <parameter>customextent</parameter></" 22568"paramdef> <paramdef choice=\"opt\"><type>text </type> " 22569"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22570"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 22571"<paramdef choice=\"opt\"><type>boolean </type> " 22572"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype>" 22573 22574#. Tag: para 22575#: reference_raster.xml:9317 22576#, no-c-format 22577msgid "" 22578"Returns the aspect (in degrees by default) of an elevation raster band. " 22579"Utilizes map algebra and applies the aspect equation to neighboring pixels." 22580msgstr "" 22581"標高ラスタバンドの傾斜方向 (デフォルトの単位は度)を返します。地図代数を利用し" 22582"て、傾斜方向方程式を隣接ピクセルに適用します。" 22583 22584#. Tag: para 22585#: reference_raster.xml:9319 22586#, no-c-format 22587msgid "" 22588"<varname>units</varname> indicates the units of the aspect. Possible values " 22589"are: RADIANS, DEGREES (default)." 22590msgstr "" 22591"<varname>units</varname>は、傾斜方向の単位を示します。取りえる値はRADIANS, " 22592"DEGREES (デフォルト)です。" 22593 22594#. Tag: para 22595#: reference_raster.xml:9323 22596#, no-c-format 22597msgid "" 22598"When <varname>units</varname> = RADIANS, values are between 0 and 2 * pi " 22599"radians measured clockwise from North." 22600msgstr "" 22601"<varname>units</varname>がRADIANSの時、値は0から2πラジアンの間で、北から時計" 22602"回りに計ります。" 22603 22604#. Tag: para 22605#: reference_raster.xml:9327 22606#, no-c-format 22607msgid "" 22608"When <varname>units</varname> = DEGREES, values are between 0 and 360 " 22609"degrees measured clockwise from North." 22610msgstr "" 22611"<varname>units</varname>がDEGREESの時、値は0から360度の間で、北から時計回りに" 22612"計ります。" 22613 22614#. Tag: para 22615#: reference_raster.xml:9331 22616#, no-c-format 22617msgid "If slope of pixel is zero, aspect of pixel is -1." 22618msgstr "ピクセルの傾斜角が0の場合には、傾斜方向は-1とします。" 22619 22620#. Tag: para 22621#: reference_raster.xml:9336 22622#, no-c-format 22623msgid "" 22624"For more information about Slope, Aspect and Hillshade, please refer to " 22625"<ulink url=\"http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?" 22626"TopicName=How%20Hillshade%20works\">ESRI - How hillshade works</ulink> and " 22627"<ulink url=\"http://e2b.erdas.com/fieldguide/wwhelp/wwhimpl/common/html/" 22628"wwhelp.htm?context=FieldGuide&file=Aspect_Images.html\">ERDAS Field " 22629"Guide - Aspect Images</ulink>." 22630msgstr "" 22631"傾斜角、傾斜方および陰影起伏に関する詳細情報については、<ulink url=\"http://" 22632"webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=How%20Hillshade" 22633"%20works\">ESRI - How hillshade works</ulink>および<ulink url=\"http://e2b." 22634"erdas.com/fieldguide/wwhelp/wwhimpl/common/html/wwhelp.htm?" 22635"context=FieldGuide&file=Aspect_Images.html\">ERDAS Field Guide - Aspect " 22636"Images</ulink>を参照して下さい。" 22637 22638#. Tag: para 22639#: reference_raster.xml:9342 reference_raster.xml:9438 22640#, no-c-format 22641msgid "" 22642"Enhanced: 2.1.0 Uses ST_MapAlgebra() and added optional " 22643"<varname>interpolate_nodata</varname> function parameter" 22644msgstr "" 22645"Enhanced: 2.1.0 ST_MapAlgebra()を使用するようにし、" 22646"<varname>interpolate_nodata</varname>任意引数を追加しました。" 22647 22648#. Tag: para 22649#: reference_raster.xml:9343 reference_raster.xml:9567 22650#, no-c-format 22651msgid "" 22652"Changed: 2.1.0 In prior versions, return values were in radians. Now, return " 22653"values default to degrees" 22654msgstr "" 22655"Changed: 2.1.0 以前の版では、返り値はラジアン単位でした。現在は、デフォルトで" 22656"は度で返します。" 22657 22658#. Tag: programlisting 22659#: reference_raster.xml:9348 22660#, no-c-format 22661msgid "" 22662"WITH foo AS (\n" 22663" SELECT ST_SetValues(\n" 22664" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 22665"1, '32BF', 0, -9999),\n" 22666" 1, 1, 1, ARRAY[\n" 22667" [1, 1, 1, 1, 1],\n" 22668" [1, 2, 2, 2, 1],\n" 22669" [1, 2, 3, 2, 1],\n" 22670" [1, 2, 2, 2, 1],\n" 22671" [1, 1, 1, 1, 1]\n" 22672" ]::double precision[][]\n" 22673" ) AS rast\n" 22674")\n" 22675"SELECT\n" 22676" ST_DumpValues(ST_Aspect(rast, 1, '32BF'))\n" 22677"FROM foo\n" 22678"\n" 22679" st_dumpvalues\n" 22680"\n" 22681"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 22682"----------------------------------\n" 22683" (1,\"{{315,341.565063476562,0,18.4349479675293,45}," 22684"{288.434936523438,315,0,45,71.5650482177734},{270,270,-1,90,90}," 22685"{251.565048217773,225,180,135,108.434951782227},{225,198.43495178\n" 22686"2227,180,161.565048217773,135}}\")\n" 22687"(1 row)" 22688msgstr "" 22689"WITH foo AS (\n" 22690" SELECT ST_SetValues(\n" 22691" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 22692"1, '32BF', 0, -9999),\n" 22693" 1, 1, 1, ARRAY[\n" 22694" [1, 1, 1, 1, 1],\n" 22695" [1, 2, 2, 2, 1],\n" 22696" [1, 2, 3, 2, 1],\n" 22697" [1, 2, 2, 2, 1],\n" 22698" [1, 1, 1, 1, 1]\n" 22699" ]::double precision[][]\n" 22700" ) AS rast\n" 22701")\n" 22702"SELECT\n" 22703" ST_DumpValues(ST_Aspect(rast, 1, '32BF'))\n" 22704"FROM foo\n" 22705"\n" 22706" st_dumpvalues\n" 22707"\n" 22708"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 22709"----------------------------------\n" 22710" (1,\"{{315,341.565063476562,0,18.4349479675293,45}," 22711"{288.434936523438,315,0,45,71.5650482177734},{270,270,-1,90,90}," 22712"{251.565048217773,225,180,135,108.434951782227},{225,198.43495178\n" 22713"2227,180,161.565048217773,135}}\")\n" 22714"(1 row)" 22715 22716#. Tag: para 22717#: reference_raster.xml:9354 reference_raster.xml:9451 22718#: reference_raster.xml:9579 22719#, no-c-format 22720msgid "" 22721"Complete example of tiles of a coverage. This query only works with " 22722"PostgreSQL 9.1 or higher." 22723msgstr "" 22724"カバレッジのタイルの完全な例です。このクエリはPostgreSQL 9.1以上でのみ動作し" 22725"ます。" 22726 22727#. Tag: programlisting 22728#: reference_raster.xml:9356 22729#, no-c-format 22730msgid "" 22731"WITH foo AS (\n" 22732" SELECT ST_Tile(\n" 22733" ST_SetValues(\n" 22734" ST_AddBand(\n" 22735" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 22736"0),\n" 22737" 1, '32BF', 0, -9999\n" 22738" ),\n" 22739" 1, 1, 1, ARRAY[\n" 22740" [1, 1, 1, 1, 1, 1],\n" 22741" [1, 1, 1, 1, 2, 1],\n" 22742" [1, 2, 2, 3, 3, 1],\n" 22743" [1, 1, 3, 2, 1, 1],\n" 22744" [1, 2, 2, 1, 2, 1],\n" 22745" [1, 1, 1, 1, 1, 1]\n" 22746" ]::double precision[]\n" 22747" ),\n" 22748" 2, 2\n" 22749" ) AS rast\n" 22750")\n" 22751"SELECT\n" 22752" t1.rast,\n" 22753" ST_Aspect(ST_Union(t2.rast), 1, t1.rast)\n" 22754"FROM foo t1\n" 22755"CROSS JOIN foo t2\n" 22756"WHERE ST_Intersects(t1.rast, t2.rast)\n" 22757"GROUP BY t1.rast;" 22758msgstr "" 22759"WITH foo AS (\n" 22760" SELECT ST_Tile(\n" 22761" ST_SetValues(\n" 22762" ST_AddBand(\n" 22763" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 22764"0),\n" 22765" 1, '32BF', 0, -9999\n" 22766" ),\n" 22767" 1, 1, 1, ARRAY[\n" 22768" [1, 1, 1, 1, 1, 1],\n" 22769" [1, 1, 1, 1, 2, 1],\n" 22770" [1, 2, 2, 3, 3, 1],\n" 22771" [1, 1, 3, 2, 1, 1],\n" 22772" [1, 2, 2, 1, 2, 1],\n" 22773" [1, 1, 1, 1, 1, 1]\n" 22774" ]::double precision[]\n" 22775" ),\n" 22776" 2, 2\n" 22777" ) AS rast\n" 22778")\n" 22779"SELECT\n" 22780" t1.rast,\n" 22781" ST_Aspect(ST_Union(t2.rast), 1, t1.rast)\n" 22782"FROM foo t1\n" 22783"CROSS JOIN foo t2\n" 22784"WHERE ST_Intersects(t1.rast, t2.rast)\n" 22785"GROUP BY t1.rast;" 22786 22787#. Tag: para 22788#: reference_raster.xml:9361 22789#, no-c-format 22790msgid "" 22791", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 22792"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 22793"linkend=\"RT_ST_Slope\"/>" 22794msgstr "" 22795", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 22796"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 22797"linkend=\"RT_ST_Slope\"/>" 22798 22799#. Tag: refname 22800#: reference_raster.xml:9374 22801#, no-c-format 22802msgid "ST_HillShade" 22803msgstr "ST_HillShade" 22804 22805#. Tag: refpurpose 22806#: reference_raster.xml:9375 22807#, no-c-format 22808msgid "" 22809"Returns the hypothetical illumination of an elevation raster band using " 22810"provided azimuth, altitude, brightness and scale inputs." 22811msgstr "" 22812"与えられた方位、高度、明度、スケールの入力を使って標高ラスタバンドの仮想照明" 22813"を返します。" 22814 22815#. Tag: funcsynopsis 22816#: reference_raster.xml:9378 22817#, no-c-format 22818msgid "" 22819"<funcprototype> <funcdef>raster <function>ST_HillShade</function></funcdef> " 22820"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22821"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 22822"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 22823"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22824"\"><type>double precision </type> <parameter>azimuth=315</parameter></" 22825"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22826"<parameter>altitude=45</parameter></paramdef> <paramdef choice=\"opt" 22827"\"><type>double precision </type> <parameter>max_bright=255</parameter></" 22828"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22829"<parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 22830"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 22831"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 22832"<function>ST_HillShade</function></funcdef> <paramdef><type>raster </type> " 22833"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 22834"<parameter>band</parameter></paramdef> <paramdef><type>raster </type> " 22835"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 22836"\"><type>text </type> <parameter>pixeltype=32BF</parameter></paramdef> " 22837"<paramdef choice=\"opt\"><type>double precision </type> " 22838"<parameter>azimuth=315</parameter></paramdef> <paramdef choice=\"opt" 22839"\"><type>double precision </type> <parameter>altitude=45</parameter></" 22840"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22841"<parameter>max_bright=255</parameter></paramdef> <paramdef choice=\"opt" 22842"\"><type>double precision </type> <parameter>scale=1.0</parameter></" 22843"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 22844"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype>" 22845msgstr "" 22846"<funcprototype> <funcdef>raster <function>ST_HillShade</function></funcdef> " 22847"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 22848"<paramdef choice=\"opt\"><type>integer </type> <parameter>band=1</" 22849"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 22850"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 22851"\"><type>double precision </type> <parameter>azimuth=315</parameter></" 22852"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22853"<parameter>altitude=45</parameter></paramdef> <paramdef choice=\"opt" 22854"\"><type>double precision </type> <parameter>max_bright=255</parameter></" 22855"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22856"<parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 22857"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 22858"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 22859"<function>ST_HillShade</function></funcdef> <paramdef><type>raster </type> " 22860"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 22861"<parameter>band</parameter></paramdef> <paramdef><type>raster </type> " 22862"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 22863"\"><type>text </type> <parameter>pixeltype=32BF</parameter></paramdef> " 22864"<paramdef choice=\"opt\"><type>double precision </type> " 22865"<parameter>azimuth=315</parameter></paramdef> <paramdef choice=\"opt" 22866"\"><type>double precision </type> <parameter>altitude=45</parameter></" 22867"paramdef> <paramdef choice=\"opt\"><type>double precision </type> " 22868"<parameter>max_bright=255</parameter></paramdef> <paramdef choice=\"opt" 22869"\"><type>double precision </type> <parameter>scale=1.0</parameter></" 22870"paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 22871"<parameter>interpolate_nodata=FALSE</parameter></paramdef> </funcprototype>" 22872 22873#. Tag: para 22874#: reference_raster.xml:9409 22875#, no-c-format 22876msgid "" 22877"Returns the hypothetical illumination of an elevation raster band using the " 22878"azimuth, altitude, brightness, and scale inputs. Utilizes map algebra and " 22879"applies the hill shade equation to neighboring pixels. Return pixel values " 22880"are between 0 and 255." 22881msgstr "" 22882"与えられた方位、高度、明度、スケールの入力を使って標高ラスタバンドの仮想照明" 22883"を返します。地図代数を使って、陰影図方程式を隣接ピクセルに適用します。返され" 22884"るピクセル値は0と255の間です。" 22885 22886#. Tag: para 22887#: reference_raster.xml:9411 22888#, no-c-format 22889msgid "" 22890"<varname>azimuth</varname> is a value between 0 and 360 degrees measured " 22891"clockwise from North." 22892msgstr "" 22893"<varname>azimuth</varname>は0から360度の間の値で、北から時計回りに計ります。" 22894 22895#. Tag: para 22896#: reference_raster.xml:9415 22897#, no-c-format 22898msgid "" 22899"<varname>altitude</varname> is a value between 0 and 90 degrees where 0 " 22900"degrees is at the horizon and 90 degrees is directly overhead." 22901msgstr "" 22902"<varname>altitude</varname>は0から90度の間で、0が水平、90が鉛直上向きです。" 22903 22904#. Tag: para 22905#: reference_raster.xml:9419 22906#, no-c-format 22907msgid "" 22908"<varname>max_bright</varname> is a value between 0 and 255 with 0 as no " 22909"brightness and 255 as max brightness." 22910msgstr "" 22911"<varname>max_bright</varname>は0から255までの間で、0は明度なしで、255が最大明" 22912"度です。" 22913 22914#. Tag: para 22915#: reference_raster.xml:9423 reference_raster.xml:9551 22916#, no-c-format 22917msgid "" 22918"<varname>scale</varname> is the ratio of vertical units to horizontal. For " 22919"Feet:LatLon use scale=370400, for Meters:LatLon use scale=111120." 22920msgstr "" 22921"<varname>scale</varname>は鉛直単位と水平単位との比です。フィート:経度緯度では" 22922"scale=370400となり、メートル:経度緯度ではscale=111120となります。" 22923 22924#. Tag: para 22925#: reference_raster.xml:9427 22926#, no-c-format 22927msgid "" 22928"If <varname>interpolate_nodata</varname> is TRUE, values for NODATA pixels " 22929"from the input raster will be interpolated using <xref linkend=" 22930"\"RT_ST_InvDistWeight4ma\"/> before computing the hillshade illumination." 22931msgstr "" 22932"<varname>interpolate_nodata</varname>がTRUEの場合には、入力ラスタのNODATAピク" 22933"セルの値は陰影図を計算する前に<xref linkend=\"RT_ST_InvDistWeight4ma\"/>を" 22934"使って内挿を行います。" 22935 22936#. Tag: para 22937#: reference_raster.xml:9432 22938#, no-c-format 22939msgid "" 22940"For more information about Hillshade, please refer to <ulink url=\"http://" 22941"webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=How%20Hillshade" 22942"%20works\">How hillshade works</ulink>." 22943msgstr "" 22944"陰影図に関する詳細情報については <ulink url=\"http://webhelp.esri.com/" 22945"arcgisdesktop/9.3/index.cfm?TopicName=How%20Hillshade%20works\">How " 22946"hillshade works</ulink>をご覧下さい。" 22947 22948#. Tag: para 22949#: reference_raster.xml:9439 22950#, no-c-format 22951msgid "" 22952"Changed: 2.1.0 In prior versions, azimuth and altitude were expressed in " 22953"radians. Now, azimuth and altitude are expressed in degrees" 22954msgstr "" 22955"Changed: 2.1.0 以前の版ではazimuthとaltitudeはラジアン単位で表現しました。現" 22956"在はazimuthとaltitudeは度単位で表現します。" 22957 22958#. Tag: programlisting 22959#: reference_raster.xml:9445 22960#, no-c-format 22961msgid "" 22962"WITH foo AS (\n" 22963" SELECT ST_SetValues(\n" 22964" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 22965"1, '32BF', 0, -9999),\n" 22966" 1, 1, 1, ARRAY[\n" 22967" [1, 1, 1, 1, 1],\n" 22968" [1, 2, 2, 2, 1],\n" 22969" [1, 2, 3, 2, 1],\n" 22970" [1, 2, 2, 2, 1],\n" 22971" [1, 1, 1, 1, 1]\n" 22972" ]::double precision[][]\n" 22973" ) AS rast\n" 22974")\n" 22975"SELECT\n" 22976" ST_DumpValues(ST_Hillshade(rast, 1, '32BF'))\n" 22977"FROM foo\n" 22978"\n" 22979" st_dumpvalues\n" 22980"\n" 22981"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 22982"-----------------------------------------------------------------------\n" 22983" (1,\"{{NULL,NULL,NULL,NULL,NULL}," 22984"{NULL,251.32763671875,220.749786376953,147.224319458008,NULL}," 22985"{NULL,220.749786376953,180.312225341797,67.7497863769531,NULL}," 22986"{NULL,147.224319458008\n" 22987",67.7497863769531,43.1210060119629,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 22988"(1 row)" 22989msgstr "" 22990"WITH foo AS (\n" 22991" SELECT ST_SetValues(\n" 22992" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 22993"1, '32BF', 0, -9999),\n" 22994" 1, 1, 1, ARRAY[\n" 22995" [1, 1, 1, 1, 1],\n" 22996" [1, 2, 2, 2, 1],\n" 22997" [1, 2, 3, 2, 1],\n" 22998" [1, 2, 2, 2, 1],\n" 22999" [1, 1, 1, 1, 1]\n" 23000" ]::double precision[][]\n" 23001" ) AS rast\n" 23002")\n" 23003"SELECT\n" 23004" ST_DumpValues(ST_Hillshade(rast, 1, '32BF'))\n" 23005"FROM foo\n" 23006"\n" 23007" st_dumpvalues\n" 23008"\n" 23009"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 23010"-----------------------------------------------------------------------\n" 23011" (1,\"{{NULL,NULL,NULL,NULL,NULL}," 23012"{NULL,251.32763671875,220.749786376953,147.224319458008,NULL}," 23013"{NULL,220.749786376953,180.312225341797,67.7497863769531,NULL}," 23014"{NULL,147.224319458008\n" 23015",67.7497863769531,43.1210060119629,NULL},{NULL,NULL,NULL,NULL,NULL}}\")\n" 23016"(1 row)" 23017 23018#. Tag: programlisting 23019#: reference_raster.xml:9453 23020#, no-c-format 23021msgid "" 23022"WITH foo AS (\n" 23023" SELECT ST_Tile(\n" 23024" ST_SetValues(\n" 23025" ST_AddBand(\n" 23026" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 23027"0),\n" 23028" 1, '32BF', 0, -9999\n" 23029" ),\n" 23030" 1, 1, 1, ARRAY[\n" 23031" [1, 1, 1, 1, 1, 1],\n" 23032" [1, 1, 1, 1, 2, 1],\n" 23033" [1, 2, 2, 3, 3, 1],\n" 23034" [1, 1, 3, 2, 1, 1],\n" 23035" [1, 2, 2, 1, 2, 1],\n" 23036" [1, 1, 1, 1, 1, 1]\n" 23037" ]::double precision[]\n" 23038" ),\n" 23039" 2, 2\n" 23040" ) AS rast\n" 23041")\n" 23042"SELECT\n" 23043" t1.rast,\n" 23044" ST_Hillshade(ST_Union(t2.rast), 1, t1.rast)\n" 23045"FROM foo t1\n" 23046"CROSS JOIN foo t2\n" 23047"WHERE ST_Intersects(t1.rast, t2.rast)\n" 23048"GROUP BY t1.rast;" 23049msgstr "" 23050"WITH foo AS (\n" 23051" SELECT ST_Tile(\n" 23052" ST_SetValues(\n" 23053" ST_AddBand(\n" 23054" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 23055"0),\n" 23056" 1, '32BF', 0, -9999\n" 23057" ),\n" 23058" 1, 1, 1, ARRAY[\n" 23059" [1, 1, 1, 1, 1, 1],\n" 23060" [1, 1, 1, 1, 2, 1],\n" 23061" [1, 2, 2, 3, 3, 1],\n" 23062" [1, 1, 3, 2, 1, 1],\n" 23063" [1, 2, 2, 1, 2, 1],\n" 23064" [1, 1, 1, 1, 1, 1]\n" 23065" ]::double precision[]\n" 23066" ),\n" 23067" 2, 2\n" 23068" ) AS rast\n" 23069")\n" 23070"SELECT\n" 23071" t1.rast,\n" 23072" ST_Hillshade(ST_Union(t2.rast), 1, t1.rast)\n" 23073"FROM foo t1\n" 23074"CROSS JOIN foo t2\n" 23075"WHERE ST_Intersects(t1.rast, t2.rast)\n" 23076"GROUP BY t1.rast;" 23077 23078#. Tag: para 23079#: reference_raster.xml:9458 23080#, no-c-format 23081msgid "" 23082", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23083"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_Aspect\"/>, <xref " 23084"linkend=\"RT_ST_Slope\"/>" 23085msgstr "" 23086", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23087"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_Aspect\"/>, <xref " 23088"linkend=\"RT_ST_Slope\"/>" 23089 23090#. Tag: refname 23091#: reference_raster.xml:9471 23092#, no-c-format 23093msgid "ST_Roughness" 23094msgstr "ST_Roughness" 23095 23096#. Tag: refpurpose 23097#: reference_raster.xml:9472 23098#, no-c-format 23099msgid "Returns a raster with the calculated \"roughness\" of a DEM." 23100msgstr "DEMの「粗度」を計算したラスタを返します。" 23101 23102#. Tag: funcprototype 23103#: reference_raster.xml:9477 23104#, no-c-format 23105msgid "" 23106"<funcdef>raster <function>ST_Roughness</function></funcdef> " 23107"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23108"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 23109"<paramdef><type>raster </type> <parameter>customextent</parameter></" 23110"paramdef> <paramdef choice=\"opt\"><type>text </type> <parameter>pixeltype=" 23111"\"32BF\"</parameter> </paramdef> <paramdef choice=\"opt\"><type>boolean </" 23112"type> <parameter> interpolate_nodata=FALSE </parameter> </paramdef>" 23113msgstr "" 23114"<funcdef>raster <function>ST_Roughness</function></funcdef> " 23115"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23116"<paramdef><type>integer </type> <parameter>nband</parameter></paramdef> " 23117"<paramdef><type>raster </type> <parameter>customextent</parameter></" 23118"paramdef> <paramdef choice=\"opt\"><type>text </type> <parameter>pixeltype=" 23119"\"32BF\"</parameter> </paramdef> <paramdef choice=\"opt\"><type>boolean </" 23120"type> <parameter> interpolate_nodata=FALSE </parameter> </paramdef>" 23121 23122#. Tag: para 23123#: reference_raster.xml:9490 23124#, no-c-format 23125msgid "" 23126"Calculates the \"roughness\" of a DEM, by subtracting the maximum from the " 23127"minimum for a given area." 23128msgstr "" 23129"指定された領域の最大値から最小値を減じることでDEMの「粗度」を計算したラスタを" 23130"返します。" 23131 23132#. Tag: programlisting 23133#: reference_raster.xml:9496 reference_raster.xml:9629 23134#: reference_raster.xml:9680 23135#, no-c-format 23136msgid "-- needs examples" 23137msgstr "-- 例が必要" 23138 23139#. Tag: para 23140#: reference_raster.xml:9501 23141#, no-c-format 23142msgid "" 23143", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23144"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23145"linkend=\"RT_ST_Aspect\"/>" 23146msgstr "" 23147", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23148"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23149"linkend=\"RT_ST_Aspect\"/>" 23150 23151#. Tag: refname 23152#: reference_raster.xml:9514 23153#, no-c-format 23154msgid "ST_Slope" 23155msgstr "ST_Slope" 23156 23157#. Tag: refpurpose 23158#: reference_raster.xml:9515 23159#, no-c-format 23160msgid "" 23161"Returns the slope (in degrees by default) of an elevation raster band. " 23162"Useful for analyzing terrain." 23163msgstr "" 23164"標高ラスタバンドの傾斜角 (デフォルトでは度単位)を返します。地形解析に使えま" 23165"す。" 23166 23167#. Tag: funcsynopsis 23168#: reference_raster.xml:9518 23169#, no-c-format 23170msgid "" 23171"<funcprototype> <funcdef>raster <function>ST_Slope</function></funcdef> " 23172"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23173"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 23174"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 23175"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 23176"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 23177"<paramdef choice=\"opt\"><type>double precision </type> " 23178"<parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 23179"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 23180"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 23181"<function>ST_Slope</function></funcdef> <paramdef><type>raster </type> " 23182"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 23183"<parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23184"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23185"\"><type>text </type> <parameter>pixeltype=32BF</parameter></paramdef> " 23186"<paramdef choice=\"opt\"><type>text </type> <parameter>units=DEGREES</" 23187"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 23188"type> <parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 23189"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 23190"paramdef> </funcprototype>" 23191msgstr "" 23192"<funcprototype> <funcdef>raster <function>ST_Slope</function></funcdef> " 23193"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23194"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=1</" 23195"parameter></paramdef> <paramdef choice=\"opt\"><type>text </type> " 23196"<parameter>pixeltype=32BF</parameter></paramdef> <paramdef choice=\"opt" 23197"\"><type>text </type> <parameter>units=DEGREES</parameter></paramdef> " 23198"<paramdef choice=\"opt\"><type>double precision </type> " 23199"<parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 23200"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 23201"paramdef> </funcprototype> <funcprototype> <funcdef>raster " 23202"<function>ST_Slope</function></funcdef> <paramdef><type>raster </type> " 23203"<parameter>rast</parameter></paramdef> <paramdef><type>integer </type> " 23204"<parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23205"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23206"\"><type>text </type> <parameter>pixeltype=32BF</parameter></paramdef> " 23207"<paramdef choice=\"opt\"><type>text </type> <parameter>units=DEGREES</" 23208"parameter></paramdef> <paramdef choice=\"opt\"><type>double precision </" 23209"type> <parameter>scale=1.0</parameter></paramdef> <paramdef choice=\"opt" 23210"\"><type>boolean </type> <parameter>interpolate_nodata=FALSE</parameter></" 23211"paramdef> </funcprototype>" 23212 23213#. Tag: para 23214#: reference_raster.xml:9545 23215#, no-c-format 23216msgid "" 23217"Returns the slope (in degrees by default) of an elevation raster band. " 23218"Utilizes map algebra and applies the slope equation to neighboring pixels." 23219msgstr "" 23220"標高ラスタバンドの傾斜角 (デフォルトでは度単位)を返します。地図代数を使って、" 23221"傾斜角方程式を隣接ピクセルに適用します。" 23222 23223#. Tag: para 23224#: reference_raster.xml:9547 23225#, no-c-format 23226msgid "" 23227"<varname>units</varname> indicates the units of the slope. Possible values " 23228"are: RADIANS, DEGREES (default), PERCENT." 23229msgstr "" 23230"<varname>units</varname>は傾斜角の単位を示します。取りえる値はRADIANS, " 23231"DEGREES (デフォルト), PERCENTです。" 23232 23233#. Tag: para 23234#: reference_raster.xml:9555 23235#, no-c-format 23236msgid "" 23237"If <varname>interpolate_nodata</varname> is TRUE, values for NODATA pixels " 23238"from the input raster will be interpolated using <xref linkend=" 23239"\"RT_ST_InvDistWeight4ma\"/> before computing the surface slope." 23240msgstr "" 23241"<varname>interpolate_nodata</varname>がTRUEの場合には、入力ラスタのNODATAピク" 23242"セルの値は表面傾斜角を計算する前に<xref linkend=\"RT_ST_InvDistWeight4ma\"/>" 23243"を使って内挿を行います。" 23244 23245#. Tag: para 23246#: reference_raster.xml:9560 23247#, no-c-format 23248msgid "" 23249"For more information about Slope, Aspect and Hillshade, please refer to " 23250"<ulink url=\"http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?" 23251"TopicName=How%20Hillshade%20works\">ESRI - How hillshade works</ulink> and " 23252"<ulink url=\"http://e2b.erdas.com/fieldguide/wwhelp/wwhimpl/common/html/" 23253"wwhelp.htm?context=FieldGuide&file=Slope_Images.html\">ERDAS Field Guide " 23254"- Slope Images</ulink>." 23255msgstr "" 23256"傾斜角、傾斜方および陰影起伏に関する詳細情報については、<ulink url=\"http://" 23257"webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=How%20Hillshade" 23258"%20works\">ESRI - How hillshade works</ulink>および<ulink url=\"http://e2b." 23259"erdas.com/fieldguide/wwhelp/wwhimpl/common/html/wwhelp.htm?" 23260"context=FieldGuide&file=Slope_Images.html\">ERDAS Field Guide - Slope " 23261"Images</ulink>を参照して下さい。" 23262 23263#. Tag: para 23264#: reference_raster.xml:9566 23265#, no-c-format 23266msgid "" 23267"Enhanced: 2.1.0 Uses ST_MapAlgebra() and added optional <varname>units</" 23268"varname>, <varname>scale</varname>, <varname>interpolate_nodata</varname> " 23269"function parameters" 23270msgstr "" 23271"Enhanced: 2.1.0 ST_MapAlgebra()を使用するようにし、<varname>units</varname>, " 23272"<varname>scale</varname>, <varname>interpolate_nodata</varname>任意引数を追加" 23273"しました。" 23274 23275#. Tag: programlisting 23276#: reference_raster.xml:9573 23277#, no-c-format 23278msgid "" 23279"WITH foo AS (\n" 23280" SELECT ST_SetValues(\n" 23281" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 23282"1, '32BF', 0, -9999),\n" 23283" 1, 1, 1, ARRAY[\n" 23284" [1, 1, 1, 1, 1],\n" 23285" [1, 2, 2, 2, 1],\n" 23286" [1, 2, 3, 2, 1],\n" 23287" [1, 2, 2, 2, 1],\n" 23288" [1, 1, 1, 1, 1]\n" 23289" ]::double precision[][]\n" 23290" ) AS rast\n" 23291")\n" 23292"SELECT\n" 23293" ST_DumpValues(ST_Slope(rast, 1, '32BF'))\n" 23294"FROM foo\n" 23295"\n" 23296" st_dumpvalues\n" 23297"\n" 23298"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 23299"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 23300"---------------------------------------------------------------------\n" 23301" (1," 23302"\"{{10.0249881744385,21.5681285858154,26.5650520324707,21.5681285858154,10.0249881744385}," 23303"{21.5681285858154,35.2643890380859,36.8698959350586,35.2643890380859,21.5681285858154},\n" 23304"{26.5650520324707,36.8698959350586,0,36.8698959350586,26.5650520324707}," 23305"{21.5681285858154,35.2643890380859,36.8698959350586,35.2643890380859,21.5681285858154}," 23306"{10.0249881744385,21.\n" 23307"5681285858154,26.5650520324707,21.5681285858154,10.0249881744385}}\")\n" 23308"(1 row)" 23309msgstr "" 23310"WITH foo AS (\n" 23311" SELECT ST_SetValues(\n" 23312" ST_AddBand(ST_MakeEmptyRaster(5, 5, 0, 0, 1, -1, 0, 0, 0), " 23313"1, '32BF', 0, -9999),\n" 23314" 1, 1, 1, ARRAY[\n" 23315" [1, 1, 1, 1, 1],\n" 23316" [1, 2, 2, 2, 1],\n" 23317" [1, 2, 3, 2, 1],\n" 23318" [1, 2, 2, 2, 1],\n" 23319" [1, 1, 1, 1, 1]\n" 23320" ]::double precision[][]\n" 23321" ) AS rast\n" 23322")\n" 23323"SELECT\n" 23324" ST_DumpValues(ST_Slope(rast, 1, '32BF'))\n" 23325"FROM foo\n" 23326"\n" 23327" st_dumpvalues\n" 23328"\n" 23329"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 23330"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n" 23331"---------------------------------------------------------------------\n" 23332" (1," 23333"\"{{10.0249881744385,21.5681285858154,26.5650520324707,21.5681285858154,10.0249881744385}," 23334"{21.5681285858154,35.2643890380859,36.8698959350586,35.2643890380859,21.5681285858154},\n" 23335"{26.5650520324707,36.8698959350586,0,36.8698959350586,26.5650520324707}," 23336"{21.5681285858154,35.2643890380859,36.8698959350586,35.2643890380859,21.5681285858154}," 23337"{10.0249881744385,21.\n" 23338"5681285858154,26.5650520324707,21.5681285858154,10.0249881744385}}\")\n" 23339"(1 row)" 23340 23341#. Tag: programlisting 23342#: reference_raster.xml:9581 23343#, no-c-format 23344msgid "" 23345"WITH foo AS (\n" 23346" SELECT ST_Tile(\n" 23347" ST_SetValues(\n" 23348" ST_AddBand(\n" 23349" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 23350"0),\n" 23351" 1, '32BF', 0, -9999\n" 23352" ),\n" 23353" 1, 1, 1, ARRAY[\n" 23354" [1, 1, 1, 1, 1, 1],\n" 23355" [1, 1, 1, 1, 2, 1],\n" 23356" [1, 2, 2, 3, 3, 1],\n" 23357" [1, 1, 3, 2, 1, 1],\n" 23358" [1, 2, 2, 1, 2, 1],\n" 23359" [1, 1, 1, 1, 1, 1]\n" 23360" ]::double precision[]\n" 23361" ),\n" 23362" 2, 2\n" 23363" ) AS rast\n" 23364")\n" 23365"SELECT\n" 23366" t1.rast,\n" 23367" ST_Slope(ST_Union(t2.rast), 1, t1.rast)\n" 23368"FROM foo t1\n" 23369"CROSS JOIN foo t2\n" 23370"WHERE ST_Intersects(t1.rast, t2.rast)\n" 23371"GROUP BY t1.rast;" 23372msgstr "" 23373"WITH foo AS (\n" 23374" SELECT ST_Tile(\n" 23375" ST_SetValues(\n" 23376" ST_AddBand(\n" 23377" ST_MakeEmptyRaster(6, 6, 0, 0, 1, -1, 0, 0, " 23378"0),\n" 23379" 1, '32BF', 0, -9999\n" 23380" ),\n" 23381" 1, 1, 1, ARRAY[\n" 23382" [1, 1, 1, 1, 1, 1],\n" 23383" [1, 1, 1, 1, 2, 1],\n" 23384" [1, 2, 2, 3, 3, 1],\n" 23385" [1, 1, 3, 2, 1, 1],\n" 23386" [1, 2, 2, 1, 2, 1],\n" 23387" [1, 1, 1, 1, 1, 1]\n" 23388" ]::double precision[]\n" 23389" ),\n" 23390" 2, 2\n" 23391" ) AS rast\n" 23392")\n" 23393"SELECT\n" 23394" t1.rast,\n" 23395" ST_Slope(ST_Union(t2.rast), 1, t1.rast)\n" 23396"FROM foo t1\n" 23397"CROSS JOIN foo t2\n" 23398"WHERE ST_Intersects(t1.rast, t2.rast)\n" 23399"GROUP BY t1.rast;" 23400 23401#. Tag: para 23402#: reference_raster.xml:9586 23403#, no-c-format 23404msgid "" 23405", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23406"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23407"linkend=\"RT_ST_Aspect\"/>" 23408msgstr "" 23409", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23410"linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23411"linkend=\"RT_ST_Aspect\"/>" 23412 23413#. Tag: refname 23414#: reference_raster.xml:9599 23415#, no-c-format 23416msgid "ST_TPI" 23417msgstr "ST_TPI" 23418 23419#. Tag: refpurpose 23420#: reference_raster.xml:9600 23421#, no-c-format 23422msgid "Returns a raster with the calculated Topographic Position Index." 23423msgstr "地形的位置指数を計算したラスタを返します。" 23424 23425#. Tag: funcprototype 23426#: reference_raster.xml:9605 23427#, no-c-format 23428msgid "" 23429"<funcdef>raster <function>ST_TPI</function></funcdef> <paramdef><type>raster " 23430"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 23431"type> <parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23432"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23433"\"><type>text </type> <parameter>pixeltype=\"32BF\"</parameter> </paramdef> " 23434"<paramdef choice=\"opt\"><type>boolean </type> <parameter> " 23435"interpolate_nodata=FALSE </parameter> </paramdef>" 23436msgstr "" 23437"<funcdef>raster <function>ST_TPI</function></funcdef> <paramdef><type>raster " 23438"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 23439"type> <parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23440"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23441"\"><type>text </type> <parameter>pixeltype=\"32BF\"</parameter> </paramdef> " 23442"<paramdef choice=\"opt\"><type>boolean </type> <parameter> " 23443"interpolate_nodata=FALSE </parameter> </paramdef>" 23444 23445#. Tag: para 23446#: reference_raster.xml:9619 23447#, no-c-format 23448msgid "" 23449"Calculates the Topographic Position Index, which is defined as the focal " 23450"mean with radius of one minus the center cell." 23451msgstr "" 23452"地形的位置指数 (TPI=Topographic Position Index)を計算します。地形的位置指数" 23453"は、半径1における近傍平均値から中心セルの値を引いたものです。" 23454 23455#. Tag: para 23456#: reference_raster.xml:9622 reference_raster.xml:9672 23457#, no-c-format 23458msgid "This function only supports a focalmean radius of one." 23459msgstr "この関数は、近傍平均値半径が1についてのみ対応しています。" 23460 23461#. Tag: para 23462#: reference_raster.xml:9634 23463#, no-c-format 23464msgid "" 23465", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_Roughness\"/>, <xref " 23466"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23467"linkend=\"RT_ST_Aspect\"/>" 23468msgstr "" 23469", <xref linkend=\"RT_ST_TRI\"/>, <xref linkend=\"RT_ST_Roughness\"/>, <xref " 23470"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23471"linkend=\"RT_ST_Aspect\"/>" 23472 23473#. Tag: refname 23474#: reference_raster.xml:9647 23475#, no-c-format 23476msgid "ST_TRI" 23477msgstr "ST_TRI" 23478 23479#. Tag: refpurpose 23480#: reference_raster.xml:9648 23481#, no-c-format 23482msgid "Returns a raster with the calculated Terrain Ruggedness Index." 23483msgstr "起伏指標を計算したラスタを返します。" 23484 23485#. Tag: funcprototype 23486#: reference_raster.xml:9653 23487#, no-c-format 23488msgid "" 23489"<funcdef>raster <function>ST_TRI</function></funcdef> <paramdef><type>raster " 23490"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 23491"type> <parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23492"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23493"\"><type>text </type> <parameter>pixeltype=\"32BF\"</parameter> </paramdef> " 23494"<paramdef choice=\"opt\"><type>boolean </type> <parameter> " 23495"interpolate_nodata=FALSE </parameter> </paramdef>" 23496msgstr "" 23497"<funcdef>raster <function>ST_TRI</function></funcdef> <paramdef><type>raster " 23498"</type> <parameter>rast</parameter></paramdef> <paramdef><type>integer </" 23499"type> <parameter>nband</parameter></paramdef> <paramdef><type>raster </type> " 23500"<parameter>customextent</parameter></paramdef> <paramdef choice=\"opt" 23501"\"><type>text </type> <parameter>pixeltype=\"32BF\"</parameter> </paramdef> " 23502"<paramdef choice=\"opt\"><type>boolean </type> <parameter> " 23503"interpolate_nodata=FALSE </parameter> </paramdef>" 23504 23505#. Tag: para 23506#: reference_raster.xml:9667 23507#, no-c-format 23508msgid "" 23509"Terrain Ruggedness Index is calculated by comparing a central pixel with its " 23510"neighbors, taking the absolute values of the differences, and averaging the " 23511"result." 23512msgstr "" 23513"起伏指標 (TRI=Terrain Ruggedness Index)は、中心ピクセルと隣接ピクセルを、差の" 23514"絶対値の平均を取って比較することで計算されます。" 23515 23516#. Tag: para 23517#: reference_raster.xml:9685 23518#, no-c-format 23519msgid "" 23520", <xref linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23521"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23522"linkend=\"RT_ST_Aspect\"/>" 23523msgstr "" 23524", <xref linkend=\"RT_ST_Roughness\"/>, <xref linkend=\"RT_ST_TPI\"/>, <xref " 23525"linkend=\"RT_ST_Slope\"/>, <xref linkend=\"RT_ST_HillShade\"/>, <xref " 23526"linkend=\"RT_ST_Aspect\"/>" 23527 23528#. Tag: title 23529#: reference_raster.xml:9699 23530#, no-c-format 23531msgid "Raster to Geometry" 23532msgstr "ラスタからジオメトリ" 23533 23534#. Tag: refname 23535#: reference_raster.xml:9703 23536#, no-c-format 23537msgid "Box3D" 23538msgstr "Box3D" 23539 23540#. Tag: refpurpose 23541#: reference_raster.xml:9704 23542#, no-c-format 23543msgid "Returns the box 3d representation of the enclosing box of the raster." 23544msgstr "ラスタを囲むボックスのbox3d表現を返します。" 23545 23546#. Tag: funcprototype 23547#: reference_raster.xml:9709 23548#, no-c-format 23549msgid "" 23550"<funcdef>box3d <function>Box3D</function></funcdef> <paramdef><type>raster </" 23551"type> <parameter>rast</parameter></paramdef>" 23552msgstr "" 23553"<funcdef>box3d <function>Box3D</function></funcdef> <paramdef><type>raster </" 23554"type> <parameter>rast</parameter></paramdef>" 23555 23556#. Tag: para 23557#: reference_raster.xml:9719 23558#, no-c-format 23559msgid "Returns the box representing the extent of the raster." 23560msgstr "ラスタの範囲を表現するボックスを返します。" 23561 23562#. Tag: para 23563#: reference_raster.xml:9720 23564#, no-c-format 23565msgid "" 23566"The polygon is defined by the corner points of the bounding box " 23567"((<varname>MINX</varname>, <varname>MINY</varname>), (<varname>MAXX</" 23568"varname>, <varname>MAXY</varname>))" 23569msgstr "" 23570"ポリゴンは、バウンディングボックス ((<varname>MINX</varname>, <varname>MINY</" 23571"varname>), (<varname>MAXX</varname>, <varname>MAXY</varname>))の4隅のポイント" 23572"により定義されます。" 23573 23574#. Tag: para 23575#: reference_raster.xml:9724 23576#, no-c-format 23577msgid "" 23578"Changed: 2.0.0 In pre-2.0 versions, there used to be a box2d instead of " 23579"box3d. Since box2d is a deprecated type, this was changed to box3d." 23580msgstr "" 23581"Changed: 2.0.0 以前の版では、box3dでなくbox2dを使っていました。box2dは非推奨" 23582"型となり、box3dに変更しました。" 23583 23584#. Tag: programlisting 23585#: reference_raster.xml:9730 23586#, no-c-format 23587msgid "" 23588"SELECT\n" 23589" rid,\n" 23590" Box3D(rast) AS rastbox\n" 23591"FROM dummy_rast;\n" 23592"\n" 23593"rid | rastbox\n" 23594"----+-------------------------------------------------\n" 23595"1 | BOX3D(0.5 0.5 0,20.5 60.5 0)\n" 23596"2 | BOX3D(3427927.75 5793243.5 0,3427928 5793244 0)" 23597msgstr "" 23598"SELECT\n" 23599" rid,\n" 23600" Box3D(rast) AS rastbox\n" 23601"FROM dummy_rast;\n" 23602"\n" 23603"rid | rastbox\n" 23604"----+-------------------------------------------------\n" 23605"1 | BOX3D(0.5 0.5 0,20.5 60.5 0)\n" 23606"2 | BOX3D(3427927.75 5793243.5 0,3427928 5793244 0)" 23607 23608#. Tag: refname 23609#: reference_raster.xml:9743 23610#, no-c-format 23611msgid "ST_ConvexHull" 23612msgstr "ST_ConvexHull" 23613 23614#. Tag: refpurpose 23615#: reference_raster.xml:9744 23616#, no-c-format 23617msgid "" 23618"Return the convex hull geometry of the raster including pixel values equal " 23619"to BandNoDataValue. For regular shaped and non-skewed rasters, this gives " 23620"the same result as ST_Envelope so only useful for irregularly shaped or " 23621"skewed rasters." 23622msgstr "" 23623"BandNoDataValueと等しいピクセル値を含むラスタの凸包ジオメトリを返します。一般" 23624"的な形状でスキューのないラスタでは、ST_Envelopeと同じ結果になります。不規則な" 23625"形状をしているか回転しているラスタでのみ使います。" 23626 23627#. Tag: funcprototype 23628#: reference_raster.xml:9751 23629#, no-c-format 23630msgid "" 23631"<funcdef>geometry <function>ST_ConvexHull</function></funcdef> " 23632"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 23633msgstr "" 23634"<funcdef>geometry <function>ST_ConvexHull</function></funcdef> " 23635"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 23636 23637#. Tag: para 23638#: reference_raster.xml:9761 23639#, no-c-format 23640msgid "" 23641"Return the convex hull geometry of the raster including the NoDataBandValue " 23642"band pixels. For regular shaped and non-skewed rasters, this gives more or " 23643"less the same result as ST_Envelope so only useful for irregularly shaped or " 23644"skewed rasters." 23645msgstr "" 23646"NoDataValue値のピクセルを含むラスタの凸包ジオメトリを返します。一般的な形状で" 23647"スキューのないラスタでは、ST_Envelopeと同じ結果になります。不規則な形状をして" 23648"いるかスキューのあるラスタでのみ使います。" 23649 23650#. Tag: para 23651#: reference_raster.xml:9765 23652#, no-c-format 23653msgid "" 23654"ST_Envelope floors the coordinates and hence add a little buffer around the " 23655"raster so the answer is subtly different from ST_ConvexHull which does not " 23656"floor." 23657msgstr "" 23658"ST_Envelopeは、座標値の小数部を切り捨て、ラスタのまわりに小さなバッファを追加" 23659"します。小数部の切り捨てを行わないST_ConvexHullの答と若干異なります。" 23660 23661#. Tag: para 23662#: reference_raster.xml:9772 23663#, no-c-format 23664msgid "" 23665"Refer to <ulink url=\"http://trac.osgeo.org/postgis/wiki/WKTRaster/" 23666"SpecificationWorking01\">PostGIS Raster Specification</ulink> for a diagram " 23667"of this." 23668msgstr "" 23669"これの図については<ulink url=\"http://trac.osgeo.org/postgis/wiki/WKTRaster/" 23670"SpecificationWorking01\">PostGIS Raster Specification</ulink>を参照して下さ" 23671"い。" 23672 23673#. Tag: programlisting 23674#: reference_raster.xml:9773 23675#, no-c-format 23676msgid "" 23677"-- Note envelope and convexhull are more or less the same\n" 23678"SELECT ST_AsText(ST_ConvexHull(rast)) As convhull,\n" 23679" ST_AsText(ST_Envelope(rast)) As env\n" 23680"FROM dummy_rast WHERE rid=1;\n" 23681"\n" 23682" convhull | " 23683"env\n" 23684"--------------------------------------------------------" 23685"+------------------------------------\n" 23686" POLYGON((0.5 0.5,20.5 0.5,20.5 60.5,0.5 60.5,0.5 0.5)) | POLYGON((0 0,20 " 23687"0,20 60,0 60,0 0))" 23688msgstr "" 23689"-- ST_EnvelopeとST_ConvexHullはだいたい同じです\n" 23690"SELECT ST_AsText(ST_ConvexHull(rast)) As convhull,\n" 23691" ST_AsText(ST_Envelope(rast)) As env\n" 23692"FROM dummy_rast WHERE rid=1;\n" 23693"\n" 23694" convhull | " 23695"env\n" 23696"--------------------------------------------------------" 23697"+------------------------------------\n" 23698" POLYGON((0.5 0.5,20.5 0.5,20.5 60.5,0.5 60.5,0.5 0.5)) | POLYGON((0 0,20 " 23699"0,20 60,0 60,0 0))" 23700 23701#. Tag: programlisting 23702#: reference_raster.xml:9774 23703#, no-c-format 23704msgid "" 23705"-- now we skew the raster\n" 23706"-- note how the convex hull and envelope are now different\n" 23707"SELECT ST_AsText(ST_ConvexHull(rast)) As convhull,\n" 23708" ST_AsText(ST_Envelope(rast)) As env\n" 23709"FROM (SELECT ST_SetRotation(rast, 0.1, 0.1) As rast\n" 23710" FROM dummy_rast WHERE rid=1) As foo;\n" 23711"\n" 23712" convhull | " 23713"env\n" 23714"--------------------------------------------------------" 23715"+------------------------------------\n" 23716" POLYGON((0.5 0.5,20.5 1.5,22.5 61.5,2.5 60.5,0.5 0.5)) | POLYGON((0 0,22 " 23717"0,22 61,0 61,0 0))" 23718msgstr "" 23719"-- ラスタをスキューします\n" 23720"-- 凸包とエンベロープがどのくらい異なるかをみます\n" 23721"SELECT ST_AsText(ST_ConvexHull(rast)) As convhull,\n" 23722" ST_AsText(ST_Envelope(rast)) As env\n" 23723"FROM (SELECT ST_SetRotation(rast, 0.1, 0.1) As rast\n" 23724" FROM dummy_rast WHERE rid=1) As foo;\n" 23725"\n" 23726" convhull | " 23727"env\n" 23728"--------------------------------------------------------" 23729"+------------------------------------\n" 23730" POLYGON((0.5 0.5,20.5 1.5,22.5 61.5,2.5 60.5,0.5 0.5)) | POLYGON((0 0,22 " 23731"0,22 61,0 61,0 0))" 23732 23733#. Tag: para 23734#: reference_raster.xml:9780 23735#, no-c-format 23736msgid "" 23737", <xref linkend=\"RT_ST_MinConvexHull\"/>, <xref linkend=\"ST_ConvexHull\"/" 23738">, <xref linkend=\"ST_AsText\"/>" 23739msgstr "" 23740", <xref linkend=\"RT_ST_MinConvexHull\"/>, <xref linkend=\"ST_ConvexHull\"/" 23741">, <xref linkend=\"ST_AsText\"/>" 23742 23743#. Tag: refname 23744#: reference_raster.xml:9791 23745#, no-c-format 23746msgid "ST_DumpAsPolygons" 23747msgstr "ST_DumpAsPolygons" 23748 23749#. Tag: refpurpose 23750#: reference_raster.xml:9792 23751#, no-c-format 23752msgid "" 23753"Returns a set of geomval (geom,val) rows, from a given raster band. If no " 23754"band number is specified, band num defaults to 1." 23755msgstr "" 23756"指定されたラスタバンドからgeomval (geom,val)行の集合を返します。バンドを指定" 23757"しない場合のデフォルトは1です。" 23758 23759#. Tag: funcprototype 23760#: reference_raster.xml:9797 23761#, no-c-format 23762msgid "" 23763"<funcdef>setof geomval <function>ST_DumpAsPolygons</function></funcdef> " 23764"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23765"<paramdef choice=\"opt\"><type>integer </type> <parameter>band_num=1</" 23766"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 23767"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 23768msgstr "" 23769"<funcdef>setof geomval <function>ST_DumpAsPolygons</function></funcdef> " 23770"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23771"<paramdef choice=\"opt\"><type>integer </type> <parameter>band_num=1</" 23772"parameter></paramdef> <paramdef choice=\"opt\"><type>boolean </type> " 23773"<parameter>exclude_nodata_value=TRUE</parameter></paramdef>" 23774 23775#. Tag: para 23776#: reference_raster.xml:9808 23777#, no-c-format 23778msgid "" 23779"This is a set-returning function (SRF). It returns a set of geomval rows, " 23780"formed by a geometry (geom) and a pixel band value (val). Each polygon is " 23781"the union of all pixels for that band that have the same pixel value denoted " 23782"by val." 23783msgstr "" 23784"集合を返す関数 (SRF=set-returning function)です。geomval行の集合を返します。" 23785"geomvalはジオメトリ (geom)とピクセルバンド値 (val)からなります。それぞれのポ" 23786"リゴンは、指定したバンドの、valで示される値と同じピクセル値を持っている全ての" 23787"ピクセルの結合です。" 23788 23789#. Tag: para 23790#: reference_raster.xml:9812 23791#, no-c-format 23792msgid "" 23793"ST_DumpAsPolygon is useful for polygonizing rasters. It is the reverse of a " 23794"GROUP BY in that it creates new rows. For example it can be used to expand a " 23795"single raster into multiple POLYGONS/MULTIPOLYGONS." 23796msgstr "" 23797"ST_DumpAsPolygonはラスタのポリゴン化に使えます。新しい行を生成するのでGROUP " 23798"BYの逆です。たとえば、単一ラスタを複数のPOLYGON/MULTIPOLYGONに展開できます。" 23799 23800#. Tag: para 23801#: reference_raster.xml:9816 23802#, no-c-format 23803msgid "Availability: Requires GDAL 1.7 or higher." 23804msgstr "Availability: GDAL 1.7以上が必要です。" 23805 23806#. Tag: para 23807#: reference_raster.xml:9817 23808#, no-c-format 23809msgid "" 23810"If there is a no data value set for a band, pixels with that value will not " 23811"be returned except in the case of exclude_nodata_value=false." 23812msgstr "" 23813"バンドにNODATA値が設定されている場合には、exclude_nodata_value=falseが設定さ" 23814"れている場合を除いて、NODATA値を持つピクセルは返りません。" 23815 23816#. Tag: para 23817#: reference_raster.xml:9818 23818#, no-c-format 23819msgid "" 23820"If you only care about count of pixels with a given value in a raster, it is " 23821"faster to use <xref linkend=\"RT_ST_ValueCount\"/>." 23822msgstr "" 23823"ラスタ内の与えられた値を持つピクセルの数にのみ注意する場合には<xref linkend=" 23824"\"RT_ST_ValueCount\"/>を使う方が速いです。" 23825 23826#. Tag: para 23827#: reference_raster.xml:9820 23828#, no-c-format 23829msgid "" 23830"This is different than ST_PixelAsPolygons where one geometry is returned for " 23831"each pixel regardless of pixel value." 23832msgstr "" 23833"これは、ピクセル値にかかわらずピクセルごとに一つのジオメトリを返す" 23834"ST_PixelAsPolygonsと違います。" 23835 23836#. Tag: programlisting 23837#: reference_raster.xml:9828 23838#, no-c-format 23839msgid "" 23840"-- this syntax requires PostgreSQL 9.3+\n" 23841"SELECT val, ST_AsText(geom) As geomwkt\n" 23842"FROM (\n" 23843"SELECT dp.*\n" 23844"FROM dummy_rast, LATERAL ST_DumpAsPolygons(rast) AS dp\n" 23845"WHERE rid = 2\n" 23846") As foo\n" 23847"WHERE val BETWEEN 249 and 251\n" 23848"ORDER BY val;\n" 23849"\n" 23850" val | geomwkt\n" 23851"-----" 23852"+--------------------------------------------------------------------------\n" 23853" 249 | POLYGON((3427927.95 5793243.95,3427927.95 5793243.85,3427928 " 23854"5793243.85,\n" 23855" 3427928 5793243.95,3427927.95 5793243.95))\n" 23856" 250 | POLYGON((3427927.75 5793243.9,3427927.75 5793243.85,3427927.8 " 23857"5793243.85,\n" 23858" 3427927.8 5793243.9,3427927.75 5793243.9))\n" 23859" 250 | POLYGON((3427927.8 5793243.8,3427927.8 5793243.75,3427927.85 " 23860"5793243.75,\n" 23861" 3427927.85 5793243.8, 3427927.8 5793243.8))\n" 23862" 251 | POLYGON((3427927.75 5793243.85,3427927.75 5793243.8,3427927.8 " 23863"5793243.8,\n" 23864" 3427927.8 5793243.85,3427927.75 5793243.85))" 23865msgstr "" 23866"-- PostgreSQL 9.3以上では、次のような文法になります\n" 23867"SELECT val, ST_AsText(geom) As geomwkt\n" 23868"FROM (\n" 23869"SELECT dp.*\n" 23870"FROM dummy_rast, LATERAL ST_DumpAsPolygons(rast) AS dp\n" 23871"WHERE rid = 2\n" 23872") As foo\n" 23873"WHERE val BETWEEN 249 and 251\n" 23874"ORDER BY val;\n" 23875"\n" 23876" val | geomwkt\n" 23877"-----" 23878"+--------------------------------------------------------------------------\n" 23879" 249 | POLYGON((3427927.95 5793243.95,3427927.95 5793243.85,3427928 " 23880"5793243.85,\n" 23881" 3427928 5793243.95,3427927.95 5793243.95))\n" 23882" 250 | POLYGON((3427927.75 5793243.9,3427927.75 5793243.85,3427927.8 " 23883"5793243.85,\n" 23884" 3427927.8 5793243.9,3427927.75 5793243.9))\n" 23885" 250 | POLYGON((3427927.8 5793243.8,3427927.8 5793243.75,3427927.85 " 23886"5793243.75,\n" 23887" 3427927.85 5793243.8, 3427927.8 5793243.8))\n" 23888" 251 | POLYGON((3427927.75 5793243.85,3427927.75 5793243.8,3427927.8 " 23889"5793243.8,\n" 23890" 3427927.8 5793243.85,3427927.75 5793243.85))" 23891 23892#. Tag: para 23893#: reference_raster.xml:9833 23894#, no-c-format 23895msgid "" 23896", <xref linkend=\"RT_ST_Value\"/>, <xref linkend=\"RT_ST_Polygon\"/>, <xref " 23897"linkend=\"RT_ST_ValueCount\"/>" 23898msgstr "" 23899", <xref linkend=\"RT_ST_Value\"/>, <xref linkend=\"RT_ST_Polygon\"/>, <xref " 23900"linkend=\"RT_ST_ValueCount\"/>" 23901 23902#. Tag: refname 23903#: reference_raster.xml:9844 23904#, no-c-format 23905msgid "ST_Envelope" 23906msgstr "ST_Envelope" 23907 23908#. Tag: refpurpose 23909#: reference_raster.xml:9845 23910#, no-c-format 23911msgid "Returns the polygon representation of the extent of the raster." 23912msgstr "ラスタの範囲のポリゴン表現を返します。" 23913 23914#. Tag: funcprototype 23915#: reference_raster.xml:9850 23916#, no-c-format 23917msgid "" 23918"<funcdef>geometry <function>ST_Envelope</function></funcdef> " 23919"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 23920msgstr "" 23921"<funcdef>geometry <function>ST_Envelope</function></funcdef> " 23922"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>" 23923 23924#. Tag: para 23925#: reference_raster.xml:9860 23926#, no-c-format 23927msgid "" 23928"Returns the polygon representation of the extent of the raster in spatial " 23929"coordinate units defined by srid. It is a float8 minimum bounding box " 23930"represented as a polygon." 23931msgstr "" 23932"SRIDで定義されている空間参照系上でのラスタの範囲のポリゴン表現を返します。ポ" 23933"リゴンで表現されるfloat8の最小バウンディングボックスです。" 23934 23935#. Tag: para 23936#: reference_raster.xml:9862 23937#, no-c-format 23938msgid "" 23939"The polygon is defined by the corner points of the bounding box " 23940"((<varname>MINX</varname>, <varname>MINY</varname>), (<varname>MINX</" 23941"varname>, <varname>MAXY</varname>), (<varname>MAXX</varname>, <varname>MAXY</" 23942"varname>), (<varname>MAXX</varname>, <varname>MINY</varname>), " 23943"(<varname>MINX</varname>, <varname>MINY</varname>))" 23944msgstr "" 23945"ポリゴンはバウンディングボックスの隅のポイント、すなわち ((<varname>MINX</" 23946"varname>, <varname>MINY</varname>), (<varname>MINX</varname>, <varname>MAXY</" 23947"varname>), (<varname>MAXX</varname>, <varname>MAXY</varname>), " 23948"(<varname>MAXX</varname>, <varname>MINY</varname>), (<varname>MINX</" 23949"varname>, <varname>MINY</varname>))です。" 23950 23951#. Tag: programlisting 23952#: reference_raster.xml:9874 23953#, no-c-format 23954msgid "" 23955"SELECT rid, ST_AsText(ST_Envelope(rast)) As envgeomwkt\n" 23956"FROM dummy_rast;\n" 23957"\n" 23958" rid | envgeomwkt\n" 23959"-----+--------------------------------------------------------------------\n" 23960" 1 | POLYGON((0 0,20 0,20 60,0 60,0 0))\n" 23961" 2 | POLYGON((3427927 5793243,3427928 5793243,\n" 23962" 3427928 5793244,3427927 5793244, 3427927 5793243))" 23963msgstr "" 23964"SELECT rid, ST_AsText(ST_Envelope(rast)) As envgeomwkt\n" 23965"FROM dummy_rast;\n" 23966"\n" 23967" rid | envgeomwkt\n" 23968"-----+--------------------------------------------------------------------\n" 23969" 1 | POLYGON((0 0,20 0,20 60,0 60,0 0))\n" 23970" 2 | POLYGON((3427927 5793243,3427928 5793243,\n" 23971" 3427928 5793244,3427927 5793244, 3427927 5793243))" 23972 23973#. Tag: para 23974#: reference_raster.xml:9879 23975#, no-c-format 23976msgid ", <xref linkend=\"ST_AsText\"/>, <xref linkend=\"RT_ST_SRID\"/>" 23977msgstr ", <xref linkend=\"ST_AsText\"/>, <xref linkend=\"RT_ST_SRID\"/>" 23978 23979#. Tag: refname 23980#: reference_raster.xml:9889 23981#, no-c-format 23982msgid "ST_MinConvexHull" 23983msgstr "ST_MinConvexHull" 23984 23985#. Tag: refpurpose 23986#: reference_raster.xml:9890 23987#, no-c-format 23988msgid "Return the convex hull geometry of the raster excluding NODATA pixels." 23989msgstr "NODATA値を除いたラスタの凸包ジオメトリを返します。" 23990 23991#. Tag: funcprototype 23992#: reference_raster.xml:9897 23993#, no-c-format 23994msgid "" 23995"<funcdef>geometry <function>ST_MinConvexHull</function></funcdef> " 23996"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 23997"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=NULL</" 23998"parameter></paramdef>" 23999msgstr "" 24000"<funcdef>geometry <function>ST_MinConvexHull</function></funcdef> " 24001"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 24002"<paramdef choice=\"opt\"><type>integer </type> <parameter>nband=NULL</" 24003"parameter></paramdef>" 24004 24005#. Tag: para 24006#: reference_raster.xml:9908 24007#, no-c-format 24008msgid "" 24009"Return the convex hull geometry of the raster excluding NODATA pixels. If " 24010"<varname>nband</varname> is NULL, all bands of the raster are considered." 24011msgstr "" 24012"NODATA値を除いたラスタの凸包ジオメトリを返します。<varname>nband</varname>が" 24013"NULLの場合には、ラスタの全てのバンドが考慮されます。" 24014 24015#. Tag: programlisting 24016#: reference_raster.xml:9917 24017#, no-c-format 24018msgid "" 24019"WITH foo AS (\n" 24020" SELECT\n" 24021" ST_SetValues(\n" 24022" ST_SetValues(\n" 24023" ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(9, " 24024"9, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 0, 0), 2, '8BUI', 1, 0),\n" 24025" 1, 1, 1,\n" 24026" ARRAY[\n" 24027" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24028" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24029" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24030" [0, 0, 0, 1, 0, 0, 0, 0, 1],\n" 24031" [0, 0, 0, 1, 1, 0, 0, 0, 0],\n" 24032" [0, 0, 0, 1, 0, 0, 0, 0, 0],\n" 24033" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24034" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24035" [0, 0, 0, 0, 0, 0, 0, 0, 0]\n" 24036" ]::double precision[][]\n" 24037" ),\n" 24038" 2, 1, 1,\n" 24039" ARRAY[\n" 24040" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24041" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24042" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24043" [1, 0, 0, 0, 0, 1, 0, 0, 0],\n" 24044" [0, 0, 0, 0, 1, 1, 0, 0, 0],\n" 24045" [0, 0, 0, 0, 0, 1, 0, 0, 0],\n" 24046" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24047" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24048" [0, 0, 1, 0, 0, 0, 0, 0, 0]\n" 24049" ]::double precision[][]\n" 24050" ) AS rast\n" 24051")\n" 24052"SELECT\n" 24053" ST_AsText(ST_ConvexHull(rast)) AS hull,\n" 24054" ST_AsText(ST_MinConvexHull(rast)) AS mhull,\n" 24055" ST_AsText(ST_MinConvexHull(rast, 1)) AS mhull_1,\n" 24056" ST_AsText(ST_MinConvexHull(rast, 2)) AS mhull_2\n" 24057"FROM foo\n" 24058"\n" 24059" hull | mhull " 24060"| mhull_1 | mhull_2\n" 24061"----------------------------------+-------------------------------------" 24062"+-------------------------------------" 24063"+-------------------------------------\n" 24064" POLYGON((0 0,9 0,9 -9,0 -9,0 0)) | POLYGON((0 -3,9 -3,9 -9,0 -9,0 -3)) | " 24065"POLYGON((3 -3,9 -3,9 -6,3 -6,3 -3)) | POLYGON((0 -3,6 -3,6 -9,0 -9,0 -3))" 24066msgstr "" 24067"WITH foo AS (\n" 24068" SELECT\n" 24069" ST_SetValues(\n" 24070" ST_SetValues(\n" 24071" ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(9, " 24072"9, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 0, 0), 2, '8BUI', 1, 0),\n" 24073" 1, 1, 1,\n" 24074" ARRAY[\n" 24075" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24076" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24077" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24078" [0, 0, 0, 1, 0, 0, 0, 0, 1],\n" 24079" [0, 0, 0, 1, 1, 0, 0, 0, 0],\n" 24080" [0, 0, 0, 1, 0, 0, 0, 0, 0],\n" 24081" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24082" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24083" [0, 0, 0, 0, 0, 0, 0, 0, 0]\n" 24084" ]::double precision[][]\n" 24085" ),\n" 24086" 2, 1, 1,\n" 24087" ARRAY[\n" 24088" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24089" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24090" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24091" [1, 0, 0, 0, 0, 1, 0, 0, 0],\n" 24092" [0, 0, 0, 0, 1, 1, 0, 0, 0],\n" 24093" [0, 0, 0, 0, 0, 1, 0, 0, 0],\n" 24094" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24095" [0, 0, 0, 0, 0, 0, 0, 0, 0],\n" 24096" [0, 0, 1, 0, 0, 0, 0, 0, 0]\n" 24097" ]::double precision[][]\n" 24098" ) AS rast\n" 24099")\n" 24100"SELECT\n" 24101" ST_AsText(ST_ConvexHull(rast)) AS hull,\n" 24102" ST_AsText(ST_MinConvexHull(rast)) AS mhull,\n" 24103" ST_AsText(ST_MinConvexHull(rast, 1)) AS mhull_1,\n" 24104" ST_AsText(ST_MinConvexHull(rast, 2)) AS mhull_2\n" 24105"FROM foo\n" 24106"\n" 24107" hull | mhull " 24108"| mhull_1 | mhull_2\n" 24109"----------------------------------+-------------------------------------" 24110"+-------------------------------------" 24111"+-------------------------------------\n" 24112" POLYGON((0 0,9 0,9 -9,0 -9,0 0)) | POLYGON((0 -3,9 -3,9 -9,0 -9,0 -3)) | " 24113"POLYGON((3 -3,9 -3,9 -6,3 -6,3 -3)) | POLYGON((0 -3,6 -3,6 -9,0 -9,0 -3))" 24114 24115#. Tag: para 24116#: reference_raster.xml:9922 24117#, no-c-format 24118msgid "" 24119", <xref linkend=\"RT_ST_ConvexHull\"/>, <xref linkend=\"ST_ConvexHull\"/>, " 24120"<xref linkend=\"ST_AsText\"/>" 24121msgstr "" 24122", <xref linkend=\"RT_ST_ConvexHull\"/>, <xref linkend=\"ST_ConvexHull\"/>, " 24123"<xref linkend=\"ST_AsText\"/>" 24124 24125#. Tag: refname 24126#: reference_raster.xml:9933 24127#, no-c-format 24128msgid "ST_Polygon" 24129msgstr "ST_Polygon" 24130 24131#. Tag: refpurpose 24132#: reference_raster.xml:9934 24133#, no-c-format 24134msgid "" 24135"Returns a multipolygon geometry formed by the union of pixels that have a " 24136"pixel value that is not no data value. If no band number is specified, band " 24137"num defaults to 1." 24138msgstr "" 24139"NODATA値でないピクセル値を持つピクセルの結合で形成されるマルチポリゴンジオメ" 24140"トリを返します。バンドを指定しない場合のデフォルトは1です。" 24141 24142#. Tag: funcprototype 24143#: reference_raster.xml:9939 24144#, no-c-format 24145msgid "" 24146"<funcdef>geometry <function>ST_Polygon</function></funcdef> " 24147"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 24148"<paramdef choice=\"opt\"><type>integer </type> <parameter>band_num=1</" 24149"parameter></paramdef>" 24150msgstr "" 24151"<funcdef>geometry <function>ST_Polygon</function></funcdef> " 24152"<paramdef><type>raster </type> <parameter>rast</parameter></paramdef> " 24153"<paramdef choice=\"opt\"><type>integer </type> <parameter>band_num=1</" 24154"parameter></paramdef>" 24155 24156#. Tag: para 24157#: reference_raster.xml:9949 24158#, no-c-format 24159msgid "Availability: 0.1.6 Requires GDAL 1.7 or higher." 24160msgstr "Availability: 0.1.6 GDAL 1.7以上が必要です。" 24161 24162#. Tag: para 24163#: reference_raster.xml:9950 24164#, no-c-format 24165msgid "" 24166"Enhanced: 2.1.0 Improved Speed (fully C-Based) and the returning " 24167"multipolygon is ensured to be valid." 24168msgstr "" 24169"Enhanced: 2.1.0 速度を改善し (完全にC言語で記述しました)、確実に妥当なマルチ" 24170"ポリゴンを返すようにしました。" 24171 24172#. Tag: para 24173#: reference_raster.xml:9951 24174#, no-c-format 24175msgid "" 24176"Changed: 2.1.0 In prior versions would sometimes return a polygon, changed " 24177"to always return multipolygon." 24178msgstr "" 24179"Changed: 2.1.0 以前の版では、時々ポリゴンを返しましたが、常にマルチポリゴンを" 24180"返すように変更しました。" 24181 24182#. Tag: programlisting 24183#: reference_raster.xml:9956 24184#, no-c-format 24185msgid "" 24186"-- by default no data band value is 0 or not set, so polygon will return a " 24187"square polygon\n" 24188"SELECT ST_AsText(ST_Polygon(rast)) As geomwkt\n" 24189"FROM dummy_rast\n" 24190"WHERE rid = 2;\n" 24191"\n" 24192"geomwkt\n" 24193"--------------------------------------------\n" 24194"MULTIPOLYGON(((3427927.75 5793244,3427928 5793244,3427928 " 24195"5793243.75,3427927.75 5793243.75,3427927.75 5793244)))\n" 24196"\n" 24197"\n" 24198"-- now we change the no data value of first band\n" 24199"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,1,254)\n" 24200"WHERE rid = 2;\n" 24201"SELECt rid, ST_BandNoDataValue(rast)\n" 24202"from dummy_rast where rid = 2;\n" 24203"\n" 24204"-- ST_Polygon excludes the pixel value 254 and returns a multipolygon\n" 24205"SELECT ST_AsText(ST_Polygon(rast)) As geomwkt\n" 24206"FROM dummy_rast\n" 24207"WHERE rid = 2;\n" 24208"\n" 24209"geomwkt\n" 24210"---------------------------------------------------------\n" 24211"MULTIPOLYGON(((3427927.9 5793243.95,3427927.85 5793243.95,3427927.85 " 24212"5793244,3427927.9 5793244,3427927.9 5793243.95)),((3427928 " 24213"5793243.85,3427928 5793243.8,3427927.95 5793243.8,3427927.95 " 24214"5793243.85,3427927.9 5793243.85,3427927.9 5793243.9,3427927.9 " 24215"5793243.95,3427927.95 5793243.95,3427928 5793243.95,3427928 5793243.85))," 24216"((3427927.8 5793243.75,3427927.75 5793243.75,3427927.75 5793243.8,3427927.75 " 24217"5793243.85,3427927.75 5793243.9,3427927.75 5793244,3427927.8 " 24218"5793244,3427927.8 5793243.9,3427927.8 5793243.85,3427927.85 " 24219"5793243.85,3427927.85 5793243.8,3427927.85 5793243.75,3427927.8 " 24220"5793243.75)))\n" 24221"\n" 24222"-- Or if you want the no data value different for just one time\n" 24223"\n" 24224"SELECT ST_AsText(\n" 24225" ST_Polygon(\n" 24226" ST_SetBandNoDataValue(rast,1,252)\n" 24227" )\n" 24228" ) As geomwkt\n" 24229"FROM dummy_rast\n" 24230"WHERE rid =2;\n" 24231"\n" 24232"geomwkt\n" 24233"---------------------------------\n" 24234"MULTIPOLYGON(((3427928 5793243.85,3427928 5793243.8,3427928 " 24235"5793243.75,3427927.85 5793243.75,3427927.8 5793243.75,3427927.8 " 24236"5793243.8,3427927.75 5793243.8,3427927.75 5793243.85,3427927.75 " 24237"5793243.9,3427927.75 5793244,3427927.8 5793244,3427927.85 5793244,3427927.9 " 24238"5793244,3427928 5793244,3427928 5793243.95,3427928 5793243.85),(3427927.9 " 24239"5793243.9,3427927.9 5793243.85,3427927.95 5793243.85,3427927.95 " 24240"5793243.9,3427927.9 5793243.9)))" 24241msgstr "" 24242"-- デフォルトではNODATA値は0になるか設定されていないので\n" 24243"-- ST_Polygon()は四角形のポリゴンを返します\n" 24244"SELECT ST_AsText(ST_Polygon(rast)) As geomwkt\n" 24245"FROM dummy_rast\n" 24246"WHERE rid = 2;\n" 24247"\n" 24248"geomwkt\n" 24249"--------------------------------------------\n" 24250"MULTIPOLYGON(((3427927.75 5793244,3427928 5793244,3427928 " 24251"5793243.75,3427927.75 5793243.75,3427927.75 5793244)))\n" 24252"\n" 24253"\n" 24254"-- 1番目のバンドのNODATA値を変更します\n" 24255"UPDATE dummy_rast SET rast = ST_SetBandNoDataValue(rast,1,254)\n" 24256"WHERE rid = 2;\n" 24257"SELECt rid, ST_BandNoDataValue(rast)\n" 24258"from dummy_rast where rid = 2;\n" 24259"\n" 24260"-- ST_Polygonはピクセル値254を除外してマルチポリゴンを返します\n" 24261"\n" 24262"SELECT ST_AsText(ST_Polygon(rast)) As geomwkt\n" 24263"FROM dummy_rast\n" 24264"WHERE rid = 2;\n" 24265"\n" 24266"geomwkt\n" 24267"---------------------------------------------------------\n" 24268"MULTIPOLYGON(((3427927.9 5793243.95,3427927.85 5793243.95,3427927.85 " 24269"5793244,3427927.9 5793244,3427927.9 5793243.95)),((3427928 " 24270"5793243.85,3427928 5793243.8,3427927.95 5793243.8,3427927.95 " 24271"5793243.85,3427927.9 5793243.85,3427927.9 5793243.9,3427927.9 " 24272"5793243.95,3427927.95 5793243.95,3427928 5793243.95,3427928 5793243.85))," 24273"((3427927.8 5793243.75,3427927.75 5793243.75,3427927.75 5793243.8,3427927.75 " 24274"5793243.85,3427927.75 5793243.9,3427927.75 5793244,3427927.8 " 24275"5793244,3427927.8 5793243.9,3427927.8 5793243.85,3427927.85 " 24276"5793243.85,3427927.85 5793243.8,3427927.85 5793243.75,3427927.8 " 24277"5793243.75)))\n" 24278"\n" 24279"-- 異なるNODATA値が1回だけ欲しい場合には、次のようにします\n" 24280"\n" 24281"SELECT ST_AsText(\n" 24282" ST_Polygon(\n" 24283" ST_SetBandNoDataValue(rast,1,252)\n" 24284" )\n" 24285" ) As geomwkt\n" 24286"FROM dummy_rast\n" 24287"WHERE rid =2;\n" 24288"\n" 24289"geomwkt\n" 24290"---------------------------------\n" 24291"MULTIPOLYGON(((3427928 5793243.85,3427928 5793243.8,3427928 " 24292"5793243.75,3427927.85 5793243.75,3427927.8 5793243.75,3427927.8 " 24293"5793243.8,3427927.75 5793243.8,3427927.75 5793243.85,3427927.75 " 24294"5793243.9,3427927.75 5793244,3427927.8 5793244,3427927.85 5793244,3427927.9 " 24295"5793244,3427928 5793244,3427928 5793243.95,3427928 5793243.85),(3427927.9 " 24296"5793243.9,3427927.9 5793243.85,3427927.95 5793243.85,3427927.95 " 24297"5793243.9,3427927.9 5793243.9)))" 24298 24299#. Tag: title 24300#: reference_raster.xml:9973 24301#, no-c-format 24302msgid "Raster Operators" 24303msgstr "ラスタ演算子" 24304 24305#. Tag: refname 24306#: reference_raster.xml:9976 24307#, no-c-format 24308msgid "&&" 24309msgstr "&&" 24310 24311#. Tag: refpurpose 24312#: reference_raster.xml:9978 24313#, no-c-format 24314msgid "" 24315"Returns <varname>TRUE</varname> if A's bounding box intersects B's bounding " 24316"box." 24317msgstr "" 24318"AのバウンディングボックスがBのバウンディングボックスとインタセクトする場合に" 24319"<varname>TRUE</varname>を返します。" 24320 24321#. Tag: funcsynopsis 24322#: reference_raster.xml:9982 24323#, no-c-format 24324msgid "" 24325"<funcprototype> <funcdef>boolean <function>&&</function></funcdef> " 24326"<paramdef> <type>raster </type> <parameter>A</parameter> </paramdef> " 24327"<paramdef> <type>raster </type> <parameter>B</parameter> </paramdef> </" 24328"funcprototype> <funcprototype> <funcdef>boolean <function>&&</" 24329"function></funcdef> <paramdef> <type>raster </type> <parameter>A</parameter> " 24330"</paramdef> <paramdef> <type>geometry </type> <parameter>B</parameter> </" 24331"paramdef> </funcprototype> <funcprototype> <funcdef>boolean <function>&" 24332"&</function></funcdef> <paramdef> <type>geometry </type> <parameter>B</" 24333"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>A</" 24334"parameter> </paramdef> </funcprototype>" 24335msgstr "" 24336"<funcprototype> <funcdef>boolean <function>&&</function></funcdef> " 24337"<paramdef> <type>raster </type> <parameter>A</parameter> </paramdef> " 24338"<paramdef> <type>raster </type> <parameter>B</parameter> </paramdef> </" 24339"funcprototype> <funcprototype> <funcdef>boolean <function>&&</" 24340"function></funcdef> <paramdef> <type>raster </type> <parameter>A</parameter> " 24341"</paramdef> <paramdef> <type>geometry </type> <parameter>B</parameter> </" 24342"paramdef> </funcprototype> <funcprototype> <funcdef>boolean <function>&" 24343"&</function></funcdef> <paramdef> <type>geometry </type> <parameter>B</" 24344"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>A</" 24345"parameter> </paramdef> </funcprototype>" 24346 24347#. Tag: para 24348#: reference_raster.xml:10024 24349#, no-c-format 24350msgid "" 24351"The <varname>&&</varname> operator returns <varname>TRUE</varname> " 24352"if the bounding box of raster/geometr A intersects the bounding box of " 24353"raster/geometr B." 24354msgstr "" 24355"<varname>&&</varname>演算子は、AのバウンディングボックスがBのバウン" 24356"ディングボックスにインタセクトする場合に <varname>TRUE</varname>を返します。" 24357 24358#. Tag: para 24359#: reference_raster.xml:10026 reference_raster.xml:10073 24360#: reference_raster.xml:10277 reference_raster.xml:11287 24361#: reference_raster.xml:11388 reference_raster.xml:11481 24362#, no-c-format 24363msgid "" 24364"This operand will make use of any indexes that may be available on the " 24365"rasters." 24366msgstr "これのオペランドは、ラスタで使用できるインデクスを使用します。" 24367 24368#. Tag: programlisting 24369#: reference_raster.xml:10035 24370#, no-c-format 24371msgid "" 24372"SELECT A.rid As a_rid, B.rid As b_rid, A.rast && B.rast As " 24373"intersect\n" 24374" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B LIMIT 3;\n" 24375"\n" 24376" a_rid | b_rid | intersect\n" 24377"-------+-------+---------\n" 24378" 2 | 2 | t\n" 24379" 2 | 3 | f\n" 24380" 2 | 1 | f" 24381msgstr "" 24382"SELECT A.rid As a_rid, B.rid As b_rid, A.rast && B.rast As " 24383"intersect\n" 24384" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B LIMIT 3;\n" 24385"\n" 24386" a_rid | b_rid | intersect\n" 24387"-------+-------+---------\n" 24388" 2 | 2 | t\n" 24389" 2 | 3 | f\n" 24390" 2 | 1 | f" 24391 24392#. Tag: refname 24393#: reference_raster.xml:10041 24394#, no-c-format 24395msgid "&<" 24396msgstr "&<" 24397 24398#. Tag: refpurpose 24399#: reference_raster.xml:10043 24400#, no-c-format 24401msgid "" 24402"Returns <varname>TRUE</varname> if A's bounding box is to the left of B's." 24403msgstr "" 24404"AのバウンディングボックスがBのバウンディングボックスをオーバラップするか、Bの" 24405"バウンディングボックスの左にある場合に<varname>TRUE</varname>を返します。" 24406 24407#. Tag: funcprototype 24408#: reference_raster.xml:10048 24409#, no-c-format 24410msgid "" 24411"<funcdef>boolean <function>&<</function></funcdef> <paramdef> " 24412"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24413"<type>raster </type> <parameter>B</parameter> </paramdef>" 24414msgstr "" 24415"<funcdef>boolean <function>&<</function></funcdef> <paramdef> " 24416"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24417"<type>raster </type> <parameter>B</parameter> </paramdef>" 24418 24419#. Tag: para 24420#: reference_raster.xml:10069 24421#, no-c-format 24422msgid "" 24423"The <varname>&<</varname> operator returns <varname>TRUE</varname> if " 24424"the bounding box of raster A overlaps or is to the left of the bounding box " 24425"of raster B, or more accurately, overlaps or is NOT to the right of the " 24426"bounding box of raster B." 24427msgstr "" 24428"<varname>&<</varname>演算子は、AのバウンディングボックスがBのバウン" 24429"ディングボックスをオーバラップするか、Bのバウンディングボックスの左にある場合" 24430"に<varname>TRUE</varname>を返します。条件についてより詳細に言うと、Bのバウン" 24431"ディングボックスをオーバラップするかBのバウンディングボックスの右に*ない*場合" 24432"です。" 24433 24434#. Tag: programlisting 24435#: reference_raster.xml:10079 24436#, no-c-format 24437msgid "" 24438"SELECT A.rid As a_rid, B.rid As b_rid, A.rast &< B.rast As overleft\n" 24439" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 24440"\n" 24441"a_rid | b_rid | overleft\n" 24442"------+-------+----------\n" 24443" 2 | 2 | t\n" 24444" 2 | 3 | f\n" 24445" 2 | 1 | f\n" 24446" 3 | 2 | t\n" 24447" 3 | 3 | t\n" 24448" 3 | 1 | f\n" 24449" 1 | 2 | t\n" 24450" 1 | 3 | t\n" 24451" 1 | 1 | t" 24452msgstr "" 24453"SELECT A.rid As a_rid, B.rid As b_rid, A.rast &< B.rast As overleft\n" 24454" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 24455"\n" 24456"a_rid | b_rid | overleft\n" 24457"------+-------+----------\n" 24458" 2 | 2 | t\n" 24459" 2 | 3 | f\n" 24460" 2 | 1 | f\n" 24461" 3 | 2 | t\n" 24462" 3 | 3 | t\n" 24463" 3 | 1 | f\n" 24464" 1 | 2 | t\n" 24465" 1 | 3 | t\n" 24466" 1 | 1 | t" 24467 24468#. Tag: refname 24469#: reference_raster.xml:10085 24470#, no-c-format 24471msgid "&>" 24472msgstr "&>" 24473 24474#. Tag: refpurpose 24475#: reference_raster.xml:10087 24476#, no-c-format 24477msgid "" 24478"Returns <varname>TRUE</varname> if A's bounding box is to the right of B's." 24479msgstr "" 24480"AのバウンディングボックスがBのバウンディングボックスをオーバラップするか、Bの" 24481"バウンディングボックスの右にある場合に <varname>TRUE</varname> を返します。" 24482 24483#. Tag: funcprototype 24484#: reference_raster.xml:10092 24485#, no-c-format 24486msgid "" 24487"<funcdef>boolean <function>&></function></funcdef> <paramdef> " 24488"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24489"<type>raster </type> <parameter>B</parameter> </paramdef>" 24490msgstr "" 24491"<funcdef>boolean <function>&></function></funcdef> <paramdef> " 24492"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24493"<type>raster </type> <parameter>B</parameter> </paramdef>" 24494 24495#. Tag: para 24496#: reference_raster.xml:10113 24497#, no-c-format 24498msgid "" 24499"The <varname>&></varname> operator returns <varname>TRUE</varname> if " 24500"the bounding box of raster A overlaps or is to the right of the bounding box " 24501"of raster B, or more accurately, overlaps or is NOT to the left of the " 24502"bounding box of raster B." 24503msgstr "" 24504"<varname>&></varname>演算子は、AのバウンディングボックスがBのバウン" 24505"ディングボックスをオーバラップするか、Bのバウンディングボックスの右にある場合" 24506"に<varname>TRUE</varname>を返します。条件についてより詳細に言うと、Bのバウン" 24507"ディングボックスをオーバラップするかBのバウンディングボックスの左に*ない*場合" 24508"です。" 24509 24510#. Tag: para 24511#: reference_raster.xml:10117 24512#, no-c-format 24513msgid "" 24514"This operand will make use of any indexes that may be available on the " 24515"geometries." 24516msgstr "これのオペランドは、ジオメトリで使用できるインデクスを使用します。" 24517 24518#. Tag: programlisting 24519#: reference_raster.xml:10124 24520#, no-c-format 24521msgid "" 24522"SELECT A.rid As a_rid, B.rid As b_rid, A.rast &> B.rast As overright\n" 24523" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 24524"\n" 24525" a_rid | b_rid | overright\n" 24526"-------+-------+----------\n" 24527" 2 | 2 | t\n" 24528" 2 | 3 | t\n" 24529" 2 | 1 | t\n" 24530" 3 | 2 | f\n" 24531" 3 | 3 | t\n" 24532" 3 | 1 | f\n" 24533" 1 | 2 | f\n" 24534" 1 | 3 | t\n" 24535" 1 | 1 | t" 24536msgstr "" 24537"SELECT A.rid As a_rid, B.rid As b_rid, A.rast &> B.rast As overright\n" 24538" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 24539"\n" 24540" a_rid | b_rid | overright\n" 24541"-------+-------+----------\n" 24542" 2 | 2 | t\n" 24543" 2 | 3 | t\n" 24544" 2 | 1 | t\n" 24545" 3 | 2 | f\n" 24546" 3 | 3 | t\n" 24547" 3 | 1 | f\n" 24548" 1 | 2 | f\n" 24549" 1 | 3 | t\n" 24550" 1 | 1 | t" 24551 24552#. Tag: refname 24553#: reference_raster.xml:10130 24554#, no-c-format 24555msgid "=" 24556msgstr "=" 24557 24558#. Tag: refpurpose 24559#: reference_raster.xml:10132 24560#, no-c-format 24561msgid "" 24562"Returns <varname>TRUE</varname> if A's bounding box is the same as B's. Uses " 24563"double precision bounding box." 24564msgstr "" 24565"AのバウンディングボックスがBのバウンディングボックスと同じ場合に" 24566"<varname>TRUE</varname>を返します。倍精度浮動小数点数のバウンディングボックス" 24567"を使います。" 24568 24569#. Tag: funcprototype 24570#: reference_raster.xml:10137 24571#, no-c-format 24572msgid "" 24573"<funcdef>boolean <function>=</function></funcdef> <paramdef> " 24574"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24575"<type>raster </type> <parameter>B</parameter> </paramdef>" 24576msgstr "" 24577"<funcdef>boolean <function>=</function></funcdef> <paramdef> " 24578"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24579"<type>raster </type> <parameter>B</parameter> </paramdef>" 24580 24581#. Tag: para 24582#: reference_raster.xml:10158 24583#, no-c-format 24584msgid "" 24585"The <varname>=</varname> operator returns <varname>TRUE</varname> if the " 24586"bounding box of raster A is the same as the bounding box of raster B. " 24587"PostgreSQL uses the =, <, and > operators defined for rasters to " 24588"perform internal orderings and comparison of rasters (ie. in a GROUP BY or " 24589"ORDER BY clause)." 24590msgstr "" 24591"<varname>=</varname>演算子は、AのバウンディングボックスがBのバウンディン" 24592"グボックスと同じ場合にTRUEを返します。PostgreSQLは内部でラスタの順序決定や比" 24593"較 (GROUP BY節やORDER BY節など)を行うためにラスタ用として定義している=, " 24594"<, >演算子を使用します。" 24595 24596#. Tag: para 24597#: reference_raster.xml:10162 24598#, no-c-format 24599msgid "" 24600"This operand will NOT make use of any indexes that may be available on the " 24601"rasters. Use <xref linkend=\"RT_Raster_Same\"/> instead. This operator " 24602"exists mostly so one can group by the raster column." 24603msgstr "" 24604"これのオペランドは、ラスタで利用できるインデクスを使いません。代わりに<xref " 24605"linkend=\"RT_Raster_Same\"/>を使います。この演算子はラスタカラムのGROUP BYに" 24606"使うのがほとんどです。" 24607 24608#. Tag: refname 24609#: reference_raster.xml:10178 24610#, no-c-format 24611msgid "<refname>@</refname>" 24612msgstr "<refname>@</refname>" 24613 24614#. Tag: refpurpose 24615#: reference_raster.xml:10180 24616#, no-c-format 24617msgid "" 24618"Returns <varname>TRUE</varname> if A's bounding box is contained by B's. " 24619"Uses double precision bounding box." 24620msgstr "" 24621"AのバウンディングボックスがBのバウンディングボックスに含まれる場合に" 24622"<varname>TRUE</varname>を返します。倍精度浮動小数点数のバウンディングボックス" 24623"を使います。" 24624 24625#. Tag: funcsynopsis 24626#: reference_raster.xml:10184 24627#, no-c-format 24628msgid "" 24629"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24630"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24631"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24632"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24633"<type>geometry </type> <parameter>A</parameter> </paramdef> <paramdef> " 24634"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24635"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24636"<type>raster </type> <parameter>B</parameter> </paramdef> <paramdef> " 24637"<type>geometry </type> <parameter>A</parameter> </paramdef> </funcprototype>" 24638msgstr "" 24639"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24640"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24641"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24642"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24643"<type>geometry </type> <parameter>A</parameter> </paramdef> <paramdef> " 24644"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24645"<funcprototype> <funcdef>boolean <function>@</function></funcdef> <paramdef> " 24646"<type>raster </type> <parameter>B</parameter> </paramdef> <paramdef> " 24647"<type>geometry </type> <parameter>A</parameter> </paramdef> </funcprototype>" 24648 24649#. Tag: para 24650#: reference_raster.xml:10227 24651#, no-c-format 24652msgid "" 24653"The <varname>@</varname> operator returns <varname>TRUE</varname> if the " 24654"bounding box of raster/geometry A is contained by bounding box of raster/" 24655"geometr B." 24656msgstr "" 24657"<varname>@</varname>は、ラスタまたはジオメトリであるAのバウンディングボックス" 24658"が、ラスタまたはジオメトリであるBのバウンディングボックスに含まれる場合に" 24659"<varname>TRUE</varname>を返します。" 24660 24661#. Tag: para 24662#: reference_raster.xml:10230 reference_raster.xml:10350 24663#, no-c-format 24664msgid "This operand will use spatial indexes on the rasters." 24665msgstr "これのオペランドは、ラスタのインデクスを使用します。" 24666 24667#. Tag: para 24668#: reference_raster.xml:10232 24669#, no-c-format 24670msgid "Availability: 2.0.0 raster @ raster, raster @ geometry introduced" 24671msgstr "" 24672"Availability: 2.0.0 raster @ raster, raster @ geometry が導入されました。" 24673 24674#. Tag: para 24675#: reference_raster.xml:10233 24676#, no-c-format 24677msgid "Availability: 2.0.5 geometry @ raster introduced" 24678msgstr "Availability: 2.0.5 geometry @ raster が導入されました。" 24679 24680#. Tag: refname 24681#: reference_raster.xml:10246 24682#, no-c-format 24683msgid "<refname>~=</refname>" 24684msgstr "<refname>~=</refname>" 24685 24686#. Tag: refpurpose 24687#: reference_raster.xml:10248 24688#, no-c-format 24689msgid "Returns <varname>TRUE</varname> if A's bounding box is the same as B's." 24690msgstr "" 24691"AのバウンディングボックスがBのバウンディングボックスと同じ場合にTRUEを返しま" 24692"す。" 24693 24694#. Tag: funcprototype 24695#: reference_raster.xml:10253 24696#, no-c-format 24697msgid "" 24698"<funcdef>boolean <function>~=</function></funcdef> <paramdef> <type>raster </" 24699"type> <parameter>A</parameter> </paramdef> <paramdef> <type>raster </type> " 24700"<parameter>B</parameter> </paramdef>" 24701msgstr "" 24702"<funcdef>boolean <function>~=</function></funcdef> <paramdef> <type>raster </" 24703"type> <parameter>A</parameter> </paramdef> <paramdef> <type>raster </type> " 24704"<parameter>B</parameter> </paramdef>" 24705 24706#. Tag: para 24707#: reference_raster.xml:10274 24708#, no-c-format 24709msgid "" 24710"The <varname>~=</varname> operator returns <varname>TRUE</varname> if the " 24711"bounding box of raster A is the same as the bounding box of raster B." 24712msgstr "" 24713"<varname>~=</varname>演算子は、AのバウンディングボックスがBのバウンディング" 24714"ボックスと同じ場合に<varname>TRUE</varname>を返します。" 24715 24716#. Tag: para 24717#: reference_raster.xml:10286 24718#, no-c-format 24719msgid "" 24720"Very useful usecase is for taking two sets of single band rasters that are " 24721"of the same chunk but represent different themes and creating a multi-band " 24722"raster" 24723msgstr "" 24724"大変便利な利用局面として、単一バンドを持つラスタ集合が二つあって、これらは同" 24725"じデータなのに異なる主題を表現する場合で、これらを取って複数バンドのラスタを" 24726"生成する局面です。" 24727 24728#. Tag: programlisting 24729#: reference_raster.xml:10287 24730#, no-c-format 24731msgid "" 24732"SELECT ST_AddBand(prec.rast, alt.rast) As new_rast\n" 24733" FROM prec INNER JOIN alt ON (prec.rast ~= alt.rast);" 24734msgstr "" 24735"SELECT ST_AddBand(prec.rast, alt.rast) As new_rast\n" 24736" FROM prec INNER JOIN alt ON (prec.rast ~= alt.rast);" 24737 24738#. Tag: para 24739#: reference_raster.xml:10292 24740#, no-c-format 24741msgid ", <xref linkend=\"RT_Raster_EQ\"/>" 24742msgstr ", <xref linkend=\"RT_Raster_EQ\"/>" 24743 24744#. Tag: refname 24745#: reference_raster.xml:10298 24746#, no-c-format 24747msgid "<refname>~</refname>" 24748msgstr "<refname>~</refname>" 24749 24750#. Tag: refpurpose 24751#: reference_raster.xml:10300 24752#, no-c-format 24753msgid "" 24754"Returns <varname>TRUE</varname> if A's bounding box is contains B's. Uses " 24755"double precision bounding box." 24756msgstr "" 24757"AのバウンディングボックスがBのバウンディングボックスを含む場合に" 24758"<varname>TRUE</varname>を返します。倍精度浮動小数点数のバウンディングボックス" 24759"を使います。" 24760 24761#. Tag: funcsynopsis 24762#: reference_raster.xml:10304 24763#, no-c-format 24764msgid "" 24765"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24766"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24767"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24768"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24769"<type>geometry </type> <parameter>A</parameter> </paramdef> <paramdef> " 24770"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24771"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24772"<type>raster </type> <parameter>B</parameter> </paramdef> <paramdef> " 24773"<type>geometry </type> <parameter>A</parameter> </paramdef> </funcprototype>" 24774msgstr "" 24775"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24776"<type>raster </type> <parameter>A</parameter> </paramdef> <paramdef> " 24777"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24778"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24779"<type>geometry </type> <parameter>A</parameter> </paramdef> <paramdef> " 24780"<type>raster </type> <parameter>B</parameter> </paramdef> </funcprototype> " 24781"<funcprototype> <funcdef>boolean <function>~</function></funcdef> <paramdef> " 24782"<type>raster </type> <parameter>B</parameter> </paramdef> <paramdef> " 24783"<type>geometry </type> <parameter>A</parameter> </paramdef> </funcprototype>" 24784 24785#. Tag: para 24786#: reference_raster.xml:10347 24787#, no-c-format 24788msgid "" 24789"The <varname>~</varname> operator returns <varname>TRUE</varname> if the " 24790"bounding box of raster/geometry A is contains bounding box of raster/geometr " 24791"B." 24792msgstr "" 24793"<varname>~</varname>演算子は、ラスタまたはジオメトリであるAのバウンディング" 24794"ボックスがラスタまたはジオメトリであるBのバウンディングボックスを含む場合に" 24795"<varname>TRUE</varname>を返します。" 24796 24797#. Tag: title 24798#: reference_raster.xml:10365 24799#, no-c-format 24800msgid "Raster and Raster Band Spatial Relationships" 24801msgstr "ラスタとラスタバンドの空間関係関数" 24802 24803#. Tag: refname 24804#: reference_raster.xml:10369 24805#, no-c-format 24806msgid "ST_Contains" 24807msgstr "ST_Contains" 24808 24809#. Tag: refpurpose 24810#: reference_raster.xml:10370 24811#, no-c-format 24812msgid "" 24813"Return true if no points of raster rastB lie in the exterior of raster rastA " 24814"and at least one point of the interior of rastB lies in the interior of " 24815"rastA." 24816msgstr "" 24817"rastAの外にrastBの点が無く、rastAの内部にrastBの内部の点が一つ以上ある場合に" 24818"TRUEを返します。" 24819 24820#. Tag: funcsynopsis 24821#: reference_raster.xml:10376 24822#, no-c-format 24823msgid "" 24824"<funcprototype> <funcdef>boolean <function>ST_Contains</function></funcdef> " 24825"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 24826"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 24827"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 24828"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 24829"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Contains</" 24830"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 24831"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 24832"parameter> </paramdef> </funcprototype>" 24833msgstr "" 24834"<funcprototype> <funcdef>boolean <function>ST_Contains</function></funcdef> " 24835"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 24836"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 24837"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 24838"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 24839"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Contains</" 24840"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 24841"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 24842"parameter> </paramdef> </funcprototype>" 24843 24844#. Tag: para 24845#: reference_raster.xml:10415 24846#, no-c-format 24847msgid "" 24848"Raster rastA contains rastB if and only if no points of rastB lie in the " 24849"exterior of rastA and at least one point of the interior of rastB lies in " 24850"the interior of rastA. If the band number is not provided (or set to NULL), " 24851"only the convex hull of the raster is considered in the test. If the band " 24852"number is provided, only those pixels with value (not NODATA) are considered " 24853"in the test." 24854msgstr "" 24855"rastAの外にrastBの点が無く、rastAの内部にrastBの内部の点が一つ以上ある場合に" 24856"限って、rastAはrastBを包含しています。バンド番号が指定されていないかNULLに指" 24857"定されている場合には、ラスタの凸包のみを考慮してテストします。バンド番号が指" 24858"定されている場合には、値を持つ (NODATAでない)ピクセルについてテストします。" 24859 24860#. Tag: para 24861#: reference_raster.xml:10420 reference_raster.xml:10513 24862#: reference_raster.xml:10594 reference_raster.xml:10675 24863#: reference_raster.xml:10885 reference_raster.xml:10969 24864#: reference_raster.xml:11049 24865#, no-c-format 24866msgid "" 24867"This function will make use of any indexes that may be available on the " 24868"rasters." 24869msgstr "この関数はラスタで利用できるインデクスを使用します。" 24870 24871#. Tag: para 24872#: reference_raster.xml:10426 24873#, no-c-format 24874msgid "" 24875"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 24876"on the raster, e.g. ST_Contains(ST_Polygon(raster), geometry) or " 24877"ST_Contains(geometry, ST_Polygon(raster))." 24878msgstr "" 24879"ラスタとジオメトリの空間関係をテストするには、" 24880"ST_Contains(ST_Polygon(raster), geometry)またはST_Contains(geometry, " 24881"ST_Polygon(raster))というふうに、ラスタにST_Polygonを使います。" 24882 24883#. Tag: para 24884#: reference_raster.xml:10432 24885#, no-c-format 24886msgid "" 24887"ST_Contains() is the inverse of ST_Within(). So, ST_Contains(rastA, rastB) " 24888"implies ST_Within(rastB, rastA)." 24889msgstr "" 24890"ST_Contains()はST_Within()の逆です。ST_Contains(rastA, rastB)は" 24891"ST_Within(rastB, rastA)を示します。" 24892 24893#. Tag: programlisting 24894#: reference_raster.xml:10443 24895#, no-c-format 24896msgid "" 24897"-- specified band numbers\n" 24898"SELECT r1.rid, r2.rid, ST_Contains(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 24899"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 1;\n" 24900"\n" 24901"NOTICE: The first raster provided has no bands\n" 24902" rid | rid | st_contains\n" 24903"-----+-----+-------------\n" 24904" 1 | 1 |\n" 24905" 1 | 2 | f" 24906msgstr "" 24907"-- バンド番号指定\n" 24908"SELECT r1.rid, r2.rid, ST_Contains(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 24909"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 1;\n" 24910"\n" 24911"NOTICE: The first raster provided has no bands\n" 24912" rid | rid | st_contains\n" 24913"-----+-----+-------------\n" 24914" 1 | 1 |\n" 24915" 1 | 2 | f" 24916 24917#. Tag: programlisting 24918#: reference_raster.xml:10445 24919#, no-c-format 24920msgid "" 24921"-- no band numbers specified\n" 24922"SELECT r1.rid, r2.rid, ST_Contains(r1.rast, r2.rast) FROM dummy_rast r1 " 24923"CROSS JOIN dummy_rast r2 WHERE r1.rid = 1;\n" 24924" rid | rid | st_contains\n" 24925"-----+-----+-------------\n" 24926" 1 | 1 | t\n" 24927" 1 | 2 | f" 24928msgstr "" 24929"-- バンド番号不指定\n" 24930"SELECT r1.rid, r2.rid, ST_Contains(r1.rast, r2.rast) FROM dummy_rast r1 " 24931"CROSS JOIN dummy_rast r2 WHERE r1.rid = 1;\n" 24932" rid | rid | st_contains\n" 24933"-----+-----+-------------\n" 24934" 1 | 1 | t\n" 24935" 1 | 2 | f" 24936 24937#. Tag: para 24938#: reference_raster.xml:10449 24939#, no-c-format 24940msgid ", <xref linkend=\"RT_ST_Within\"/>" 24941msgstr ", <xref linkend=\"RT_ST_Within\"/>" 24942 24943#. Tag: refname 24944#: reference_raster.xml:10458 24945#, no-c-format 24946msgid "ST_ContainsProperly" 24947msgstr "ST_ContainsProperly" 24948 24949#. Tag: refpurpose 24950#: reference_raster.xml:10459 24951#, no-c-format 24952msgid "" 24953"Return true if rastB intersects the interior of rastA but not the boundary " 24954"or exterior of rastA." 24955msgstr "" 24956"rastBがrastAの内部でインタセクトし、かつrastAの境界とも外部ともインタセクトし" 24957"ない場合にTRUEを返します。" 24958 24959#. Tag: funcsynopsis 24960#: reference_raster.xml:10465 24961#, no-c-format 24962msgid "" 24963"<funcprototype> <funcdef>boolean <function>ST_ContainsProperly</function></" 24964"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 24965"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 24966"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 24967"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 24968"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 24969"<function>ST_ContainsProperly</function></funcdef> <paramdef> <type>raster </" 24970"type> <parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </" 24971"type> <parameter>rastB</parameter> </paramdef> </funcprototype>" 24972msgstr "" 24973"<funcprototype> <funcdef>boolean <function>ST_ContainsProperly</function></" 24974"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 24975"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 24976"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 24977"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 24978"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 24979"<function>ST_ContainsProperly</function></funcdef> <paramdef> <type>raster </" 24980"type> <parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </" 24981"type> <parameter>rastB</parameter> </paramdef> </funcprototype>" 24982 24983#. Tag: para 24984#: reference_raster.xml:10504 24985#, no-c-format 24986msgid "" 24987"Raster rastA contains properly rastB if rastB intersects the interior of " 24988"rastA but not the boundary or exterior of rastA. If the band number is not " 24989"provided (or set to NULL), only the convex hull of the raster is considered " 24990"in the test. If the band number is provided, only those pixels with value " 24991"(not NODATA) are considered in the test." 24992msgstr "" 24993"rastBがrastAの内部でインタセクトし、かつrastAの境界とも外部ともインタセクトし" 24994"ない場合には、rastAはrastBに対してContainsProperly (確実に包含している)です。" 24995"バンド番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみ" 24996"を考慮してテストします。バンド番号が指定されている場合には、値を持つ (NODATA" 24997"でない)ピクセルについてテストします。" 24998 24999#. Tag: para 25000#: reference_raster.xml:10508 25001#, no-c-format 25002msgid "Raster rastA does not contain properly itself but does contain itself." 25003msgstr "rastAは自身にはContainsProperlyではありませんが、Containsです。" 25004 25005#. Tag: para 25006#: reference_raster.xml:10519 25007#, no-c-format 25008msgid "" 25009"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25010"on the raster, e.g. ST_ContainsProperly(ST_Polygon(raster), geometry) or " 25011"ST_ContainsProperly(geometry, ST_Polygon(raster))." 25012msgstr "" 25013"ラスタとジオメトリの空間関係をテストするには、" 25014"ST_ContainsProperly(ST_Polygon(raster), geometry)または" 25015"ST_ContainsProperly(geometry, ST_Polygon(raster))というふうに、ラスタに" 25016"ST_Polygonを使います。" 25017 25018#. Tag: programlisting 25019#: reference_raster.xml:10530 25020#, no-c-format 25021msgid "" 25022"SELECT r1.rid, r2.rid, ST_ContainsProperly(r1.rast, 1, r2.rast, 1) FROM " 25023"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25024"\n" 25025" rid | rid | st_containsproperly\n" 25026"-----+-----+---------------------\n" 25027" 2 | 1 | f\n" 25028" 2 | 2 | f" 25029msgstr "" 25030"SELECT r1.rid, r2.rid, ST_ContainsProperly(r1.rast, 1, r2.rast, 1) FROM " 25031"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25032"\n" 25033" rid | rid | st_containsproperly\n" 25034"-----+-----+---------------------\n" 25035" 2 | 1 | f\n" 25036" 2 | 2 | f" 25037 25038#. Tag: para 25039#: reference_raster.xml:10534 25040#, no-c-format 25041msgid ", <xref linkend=\"RT_ST_Contains\"/>" 25042msgstr ", <xref linkend=\"RT_ST_Contains\"/>" 25043 25044#. Tag: refname 25045#: reference_raster.xml:10543 25046#, no-c-format 25047msgid "ST_Covers" 25048msgstr "ST_Covers" 25049 25050#. Tag: refpurpose 25051#: reference_raster.xml:10544 25052#, no-c-format 25053msgid "Return true if no points of raster rastB lie outside raster rastA." 25054msgstr "rastBがrastAの外部に点を持たない場合にTRUEを返します。" 25055 25056#. Tag: funcsynopsis 25057#: reference_raster.xml:10550 25058#, no-c-format 25059msgid "" 25060"<funcprototype> <funcdef>boolean <function>ST_Covers</function></funcdef> " 25061"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25062"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25063"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25064"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25065"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Covers</" 25066"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25067"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25068"parameter> </paramdef> </funcprototype>" 25069msgstr "" 25070"<funcprototype> <funcdef>boolean <function>ST_Covers</function></funcdef> " 25071"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25072"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25073"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25074"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25075"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Covers</" 25076"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25077"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25078"parameter> </paramdef> </funcprototype>" 25079 25080#. Tag: para 25081#: reference_raster.xml:10589 25082#, no-c-format 25083msgid "" 25084"Raster rastA covers rastB if and only if no points of rastB lie in the " 25085"exterior of rastA. If the band number is not provided (or set to NULL), only " 25086"the convex hull of the raster is considered in the test. If the band number " 25087"is provided, only those pixels with value (not NODATA) are considered in the " 25088"test." 25089msgstr "" 25090"rastAの外部にrastBの点が無い場合には、rastAはrastBに対してCoversです。バンド" 25091"番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみを考慮" 25092"してテストします。バンド番号が指定されている場合には、値を持つ (NODATAでない)" 25093"ピクセルについてテストします。" 25094 25095#. Tag: para 25096#: reference_raster.xml:10600 25097#, no-c-format 25098msgid "" 25099"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25100"on the raster, e.g. ST_Covers(ST_Polygon(raster), geometry) or " 25101"ST_Covers(geometry, ST_Polygon(raster))." 25102msgstr "" 25103"ラスタとジオメトリの空間関係をテストするには、ST_Covers(ST_Polygon(raster), " 25104"geometry)またはST_Covers(geometry, ST_Polygon(raster))というふうに、ラスタに" 25105"ST_Polygonを使います。" 25106 25107#. Tag: programlisting 25108#: reference_raster.xml:10611 25109#, no-c-format 25110msgid "" 25111"SELECT r1.rid, r2.rid, ST_Covers(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25112"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25113"\n" 25114" rid | rid | st_covers\n" 25115"-----+-----+-----------\n" 25116" 2 | 1 | f\n" 25117" 2 | 2 | t" 25118msgstr "" 25119"SELECT r1.rid, r2.rid, ST_Covers(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25120"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25121"\n" 25122" rid | rid | st_covers\n" 25123"-----+-----+-----------\n" 25124" 2 | 1 | f\n" 25125" 2 | 2 | t" 25126 25127#. Tag: para 25128#: reference_raster.xml:10615 25129#, no-c-format 25130msgid ", <xref linkend=\"RT_ST_CoveredBy\"/>" 25131msgstr ", <xref linkend=\"RT_ST_CoveredBy\"/>" 25132 25133#. Tag: refname 25134#: reference_raster.xml:10624 25135#, no-c-format 25136msgid "ST_CoveredBy" 25137msgstr "ST_CoveredBy" 25138 25139#. Tag: refpurpose 25140#: reference_raster.xml:10625 25141#, no-c-format 25142msgid "Return true if no points of raster rastA lie outside raster rastB." 25143msgstr "rastAがrastBの外部に点を持たない場合にTRUEを返します。" 25144 25145#. Tag: funcsynopsis 25146#: reference_raster.xml:10631 25147#, no-c-format 25148msgid "" 25149"<funcprototype> <funcdef>boolean <function>ST_CoveredBy</function></funcdef> " 25150"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25151"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25152"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25153"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25154"funcprototype> <funcprototype> <funcdef>boolean <function>ST_CoveredBy</" 25155"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25156"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25157"parameter> </paramdef> </funcprototype>" 25158msgstr "" 25159"<funcprototype> <funcdef>boolean <function>ST_CoveredBy</function></funcdef> " 25160"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25161"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25162"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25163"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25164"funcprototype> <funcprototype> <funcdef>boolean <function>ST_CoveredBy</" 25165"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25166"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25167"parameter> </paramdef> </funcprototype>" 25168 25169#. Tag: para 25170#: reference_raster.xml:10670 25171#, no-c-format 25172msgid "" 25173"Raster rastA is covered by rastB if and only if no points of rastA lie in " 25174"the exterior of rastB. If the band number is not provided (or set to NULL), " 25175"only the convex hull of the raster is considered in the test. If the band " 25176"number is provided, only those pixels with value (not NODATA) are considered " 25177"in the test." 25178msgstr "" 25179"rastAがrastBの外部に点を持たない場合には、rastAはrastBに対してCoveredByです。" 25180"バンド番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみ" 25181"を考慮してテストします。バンド番号が指定されている場合には、値を持つ (NODATA" 25182"でない)ピクセルについてテストします。" 25183 25184#. Tag: para 25185#: reference_raster.xml:10681 25186#, no-c-format 25187msgid "" 25188"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25189"on the raster, e.g. ST_CoveredBy(ST_Polygon(raster), geometry) or " 25190"ST_CoveredBy(geometry, ST_Polygon(raster))." 25191msgstr "" 25192"ラスタとジオメトリの空間関係をテストするには、" 25193"ST_CoveredBy(ST_Polygon(raster), geometry)またはST_CoveredBy(geometry, " 25194"ST_Polygon(raster))というふうに、ラスタにST_Polygonを使います。" 25195 25196#. Tag: programlisting 25197#: reference_raster.xml:10692 25198#, no-c-format 25199msgid "" 25200"SELECT r1.rid, r2.rid, ST_CoveredBy(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 25201"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25202"\n" 25203" rid | rid | st_coveredby\n" 25204"-----+-----+--------------\n" 25205" 2 | 1 | f\n" 25206" 2 | 2 | t" 25207msgstr "" 25208"SELECT r1.rid, r2.rid, ST_CoveredBy(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 25209"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25210"\n" 25211" rid | rid | st_coveredby\n" 25212"-----+-----+--------------\n" 25213" 2 | 1 | f\n" 25214" 2 | 2 | t" 25215 25216#. Tag: para 25217#: reference_raster.xml:10696 25218#, no-c-format 25219msgid ", <xref linkend=\"RT_ST_Covers\"/>" 25220msgstr ", <xref linkend=\"RT_ST_Covers\"/>" 25221 25222#. Tag: refname 25223#: reference_raster.xml:10705 25224#, no-c-format 25225msgid "ST_Disjoint" 25226msgstr "ST_Disjoint" 25227 25228#. Tag: refpurpose 25229#: reference_raster.xml:10706 25230#, no-c-format 25231msgid "Return true if raster rastA does not spatially intersect rastB." 25232msgstr "rastAがrastBとインタセクトしない場合にTRUEを返します。" 25233 25234#. Tag: funcsynopsis 25235#: reference_raster.xml:10712 25236#, no-c-format 25237msgid "" 25238"<funcprototype> <funcdef>boolean <function>ST_Disjoint</function></funcdef> " 25239"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25240"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25241"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25242"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25243"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Disjoint</" 25244"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25245"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25246"parameter> </paramdef> </funcprototype>" 25247msgstr "" 25248"<funcprototype> <funcdef>boolean <function>ST_Disjoint</function></funcdef> " 25249"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25250"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25251"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25252"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25253"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Disjoint</" 25254"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25255"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25256"parameter> </paramdef> </funcprototype>" 25257 25258#. Tag: para 25259#: reference_raster.xml:10751 25260#, no-c-format 25261msgid "" 25262"Raster rastA and rastB are disjointed if they do not share any space " 25263"together. If the band number is not provided (or set to NULL), only the " 25264"convex hull of the raster is considered in the test. If the band number is " 25265"provided, only those pixels with value (not NODATA) are considered in the " 25266"test." 25267msgstr "" 25268"rastAがrastBとインタセクトしない場合には、rastAとrastBはDisjointです。バンド" 25269"番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみを考慮" 25270"してテストします。バンド番号が指定されている場合には、値を持つ (NODATAでない)" 25271"ピクセルについてテストします。" 25272 25273#. Tag: para 25274#: reference_raster.xml:10756 25275#, no-c-format 25276msgid "This function does NOT use any indexes." 25277msgstr "この関数はインデクスを*使いません*。" 25278 25279#. Tag: para 25280#: reference_raster.xml:10762 25281#, no-c-format 25282msgid "" 25283"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25284"on the raster, e.g. ST_Disjoint(ST_Polygon(raster), geometry)." 25285msgstr "" 25286"ラスタとジオメトリの空間関係をテストするには、" 25287"ST_Disjoint(ST_Polygon(raster), geometry)というふうに、ラスタにST_Polygonを使" 25288"います。" 25289 25290#. Tag: programlisting 25291#: reference_raster.xml:10773 25292#, no-c-format 25293msgid "" 25294"-- rid = 1 has no bands, hence the NOTICE and the NULL value for " 25295"st_disjoint\n" 25296"SELECT r1.rid, r2.rid, ST_Disjoint(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 25297"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25298"\n" 25299"NOTICE: The second raster provided has no bands\n" 25300" rid | rid | st_disjoint\n" 25301"-----+-----+-------------\n" 25302" 2 | 1 |\n" 25303" 2 | 2 | f" 25304msgstr "" 25305"-- rid=1のラスタはバンドを持っていないので、\n" 25306"-- 警告が出て、ST_DisjointでNULL値が出ます\n" 25307"SELECT r1.rid, r2.rid, ST_Disjoint(r1.rast, 1, r2.rast, 1) FROM dummy_rast " 25308"r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25309"\n" 25310"NOTICE: The second raster provided has no bands\n" 25311" rid | rid | st_disjoint\n" 25312"-----+-----+-------------\n" 25313" 2 | 1 |\n" 25314" 2 | 2 | f" 25315 25316#. Tag: programlisting 25317#: reference_raster.xml:10775 25318#, no-c-format 25319msgid "" 25320"-- this time, without specifying band numbers\n" 25321"SELECT r1.rid, r2.rid, ST_Disjoint(r1.rast, r2.rast) FROM dummy_rast r1 " 25322"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25323"\n" 25324" rid | rid | st_disjoint\n" 25325"-----+-----+-------------\n" 25326" 2 | 1 | t\n" 25327" 2 | 2 | f" 25328msgstr "" 25329"-- 今度はバンド番号を指定しません\n" 25330"SELECT r1.rid, r2.rid, ST_Disjoint(r1.rast, r2.rast) FROM dummy_rast r1 " 25331"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25332"\n" 25333" rid | rid | st_disjoint\n" 25334"-----+-----+-------------\n" 25335" 2 | 1 | t\n" 25336" 2 | 2 | f" 25337 25338#. Tag: refname 25339#: reference_raster.xml:10788 25340#, no-c-format 25341msgid "ST_Intersects" 25342msgstr "ST_Intersects" 25343 25344#. Tag: refpurpose 25345#: reference_raster.xml:10789 25346#, no-c-format 25347msgid "Return true if raster rastA spatially intersects raster rastB." 25348msgstr "rastAがrastBとインタセクトする場合にTRUEを返します。" 25349 25350#. Tag: funcsynopsis 25351#: reference_raster.xml:10793 25352#, no-c-format 25353msgid "" 25354"<funcprototype> <funcdef>boolean <function>ST_Intersects</function></" 25355"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 25356"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 25357"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 25358"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 25359"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 25360"<function>ST_Intersects</function></funcdef> <paramdef> <type>raster </type> " 25361"<parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </type> " 25362"<parameter>rastB</parameter> </paramdef> </funcprototype> <funcprototype> " 25363"<funcdef>boolean <function>ST_Intersects</function></funcdef> <paramdef> " 25364"<type>raster </type> <parameter>rast</parameter> </paramdef> <paramdef> " 25365"<type>integer </type> <parameter>nband</parameter> </paramdef> <paramdef> " 25366"<type>geometry </type> <parameter>geommin</parameter> </paramdef> </" 25367"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Intersects</" 25368"function></funcdef> <paramdef> <type>raster </type> <parameter>rast</" 25369"parameter> </paramdef> <paramdef> <type>geometry </type> <parameter>geommin</" 25370"parameter> </paramdef> <paramdef choice=\"opt\"> <type>integer </type> " 25371"<parameter>nband=NULL</parameter> </paramdef> </funcprototype> " 25372"<funcprototype> <funcdef>boolean <function>ST_Intersects</function></" 25373"funcdef> <paramdef> <type>geometry </type> <parameter>geommin</parameter> </" 25374"paramdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 25375"paramdef> <paramdef choice=\"opt\"> <type>integer </type> " 25376"<parameter>nband=NULL</parameter> </paramdef> </funcprototype>" 25377msgstr "" 25378"<funcprototype> <funcdef>boolean <function>ST_Intersects</function></" 25379"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 25380"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 25381"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 25382"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 25383"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 25384"<function>ST_Intersects</function></funcdef> <paramdef> <type>raster </type> " 25385"<parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </type> " 25386"<parameter>rastB</parameter> </paramdef> </funcprototype> <funcprototype> " 25387"<funcdef>boolean <function>ST_Intersects</function></funcdef> <paramdef> " 25388"<type>raster </type> <parameter>rast</parameter> </paramdef> <paramdef> " 25389"<type>integer </type> <parameter>nband</parameter> </paramdef> <paramdef> " 25390"<type>geometry </type> <parameter>geommin</parameter> </paramdef> </" 25391"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Intersects</" 25392"function></funcdef> <paramdef> <type>raster </type> <parameter>rast</" 25393"parameter> </paramdef> <paramdef> <type>geometry </type> <parameter>geommin</" 25394"parameter> </paramdef> <paramdef choice=\"opt\"> <type>integer </type> " 25395"<parameter>nband=NULL</parameter> </paramdef> </funcprototype> " 25396"<funcprototype> <funcdef>boolean <function>ST_Intersects</function></" 25397"funcdef> <paramdef> <type>geometry </type> <parameter>geommin</parameter> </" 25398"paramdef> <paramdef> <type>raster </type> <parameter>rast</parameter> </" 25399"paramdef> <paramdef choice=\"opt\"> <type>integer </type> " 25400"<parameter>nband=NULL</parameter> </paramdef> </funcprototype>" 25401 25402#. Tag: para 25403#: reference_raster.xml:10880 25404#, no-c-format 25405msgid "" 25406"Return true if raster rastA spatially intersects raster rastB. If the band " 25407"number is not provided (or set to NULL), only the convex hull of the raster " 25408"is considered in the test. If the band number is provided, only those pixels " 25409"with value (not NODATA) are considered in the test." 25410msgstr "" 25411"rastAがrastBとインタセクトする場合にTRUEを返します。バンド番号が指定されてい" 25412"ないかNULLに指定されている場合には、ラスタの凸包のみを考慮してテストします。" 25413"バンド番号が指定されている場合には、値を持つ (NODATAでない)ピクセルについてテ" 25414"ストします。" 25415 25416#. Tag: para 25417#: reference_raster.xml:10890 25418#, no-c-format 25419msgid "Enhanced: 2.0.0 support raster/raster intersects was introduced." 25420msgstr "Enhanced: 2.0.0 ラスタ/ラスタのインタセクト対応が導入されました。" 25421 25422#. Tag: para 25423#: reference_raster.xml:10895 25424#, no-c-format 25425msgid "" 25426"Changed: 2.1.0 The behavior of the ST_Intersects(raster, geometry) variants " 25427"changed to match that of ST_Intersects(geometry, raster)." 25428msgstr "" 25429"Changed: 2.1.0 ST_Intersects(raster, geometry)形式の挙動が " 25430"ST_Intersects(geometry, raster)とあうように変更されました。" 25431 25432#. Tag: programlisting 25433#: reference_raster.xml:10904 25434#, no-c-format 25435msgid "" 25436"-- different bands of same raster\n" 25437"SELECT ST_Intersects(rast, 2, rast, 3) FROM dummy_rast WHERE rid = 2;\n" 25438"\n" 25439" st_intersects\n" 25440"---------------\n" 25441" t" 25442msgstr "" 25443"-- 同じラスタの別のバンド\n" 25444"SELECT ST_Intersects(rast, 2, rast, 3) FROM dummy_rast WHERE rid = 2;\n" 25445"\n" 25446" st_intersects\n" 25447"---------------\n" 25448" t" 25449 25450#. Tag: para 25451#: reference_raster.xml:10909 25452#, no-c-format 25453msgid ", <xref linkend=\"RT_ST_Disjoint\"/>" 25454msgstr ", <xref linkend=\"RT_ST_Disjoint\"/>" 25455 25456#. Tag: refname 25457#: reference_raster.xml:10918 25458#, no-c-format 25459msgid "ST_Overlaps" 25460msgstr "ST_Overlaps" 25461 25462#. Tag: refpurpose 25463#: reference_raster.xml:10919 25464#, no-c-format 25465msgid "" 25466"Return true if raster rastA and rastB intersect but one does not completely " 25467"contain the other." 25468msgstr "" 25469"rastAとrastBがインタセクトして、かつ一方がもう一方に完全には包含されない場合" 25470"にはTRUEを返します。" 25471 25472#. Tag: funcsynopsis 25473#: reference_raster.xml:10925 25474#, no-c-format 25475msgid "" 25476"<funcprototype> <funcdef>boolean <function>ST_Overlaps</function></funcdef> " 25477"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25478"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25479"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25480"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25481"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Overlaps</" 25482"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25483"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25484"parameter> </paramdef> </funcprototype>" 25485msgstr "" 25486"<funcprototype> <funcdef>boolean <function>ST_Overlaps</function></funcdef> " 25487"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25488"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25489"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25490"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25491"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Overlaps</" 25492"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25493"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25494"parameter> </paramdef> </funcprototype>" 25495 25496#. Tag: para 25497#: reference_raster.xml:10964 25498#, no-c-format 25499msgid "" 25500"Return true if raster rastA spatially overlaps raster rastB. This means that " 25501"rastA and rastB intersect but one does not completely contain the other. If " 25502"the band number is not provided (or set to NULL), only the convex hull of " 25503"the raster is considered in the test. If the band number is provided, only " 25504"those pixels with value (not NODATA) are considered in the test." 25505msgstr "" 25506"rastAがrastBをオーバラップする場合にTRUEを返します。rastAとrastBがインタセク" 25507"トして、かつ一方がもう一方に完全には包含されない場合にはいう意味です。バンド" 25508"番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみを考慮" 25509"してテストします。バンド番号が指定されている場合には、値を持つ (NODATAでない)" 25510"ピクセルについてテストします。" 25511 25512#. Tag: para 25513#: reference_raster.xml:10975 25514#, no-c-format 25515msgid "" 25516"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25517"on the raster, e.g. ST_Overlaps(ST_Polygon(raster), geometry)." 25518msgstr "" 25519"ラスタとジオメトリの空間関係をテストするには、" 25520"ST_Overlaps(ST_Polygon(raster), geometry)というふうに、ラスタにST_Polygonを使" 25521"います。" 25522 25523#. Tag: programlisting 25524#: reference_raster.xml:10986 25525#, no-c-format 25526msgid "" 25527"-- comparing different bands of same raster\n" 25528"SELECT ST_Overlaps(rast, 1, rast, 2) FROM dummy_rast WHERE rid = 2;\n" 25529"\n" 25530" st_overlaps\n" 25531"-------------\n" 25532" f" 25533msgstr "" 25534"-- 同じラスタの別のバンドの比較\n" 25535"SELECT ST_Overlaps(rast, 1, rast, 2) FROM dummy_rast WHERE rid = 2;\n" 25536"\n" 25537" st_overlaps\n" 25538"-------------\n" 25539" f" 25540 25541#. Tag: refname 25542#: reference_raster.xml:10998 25543#, no-c-format 25544msgid "ST_Touches" 25545msgstr "ST_Touches" 25546 25547#. Tag: refpurpose 25548#: reference_raster.xml:10999 25549#, no-c-format 25550msgid "" 25551"Return true if raster rastA and rastB have at least one point in common but " 25552"their interiors do not intersect." 25553msgstr "" 25554"rastAとrastBが少なくとも一つの共通の点を持ち、かつ二つのラスタの内部同士がイ" 25555"ンタセクトしない場合にTRUEを返します。" 25556 25557#. Tag: funcsynopsis 25558#: reference_raster.xml:11005 25559#, no-c-format 25560msgid "" 25561"<funcprototype> <funcdef>boolean <function>ST_Touches</function></funcdef> " 25562"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25563"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25564"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25565"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25566"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Touches</" 25567"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25568"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25569"parameter> </paramdef> </funcprototype>" 25570msgstr "" 25571"<funcprototype> <funcdef>boolean <function>ST_Touches</function></funcdef> " 25572"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25573"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25574"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25575"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25576"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Touches</" 25577"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25578"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25579"parameter> </paramdef> </funcprototype>" 25580 25581#. Tag: para 25582#: reference_raster.xml:11044 25583#, no-c-format 25584msgid "" 25585"Return true if raster rastA spatially touches raster rastB. This means that " 25586"rastA and rastB have at least one point in common but their interiors do not " 25587"intersect. If the band number is not provided (or set to NULL), only the " 25588"convex hull of the raster is considered in the test. If the band number is " 25589"provided, only those pixels with value (not NODATA) are considered in the " 25590"test." 25591msgstr "" 25592"rastAがrastBに接触する場合にTRUEを返します。rastAとrastBが少なくとも一つの共" 25593"通の点を持ち、かつ二つのラスタの内部同士がインタセクトしないという意味です。" 25594"バンド番号が指定されていないかNULLに指定されている場合には、ラスタの凸包のみ" 25595"を考慮してテストします。バンド番号が指定されている場合には、値を持つ (NODATA" 25596"でない)ピクセルについてテストします。" 25597 25598#. Tag: para 25599#: reference_raster.xml:11055 25600#, no-c-format 25601msgid "" 25602"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25603"on the raster, e.g. ST_Touches(ST_Polygon(raster), geometry)." 25604msgstr "" 25605"ラスタとジオメトリの空間関係をテストするには、ST_Touches(ST_Polygon(raster), " 25606"geometry)というふうに、ラスタにST_Polygonを使います。" 25607 25608#. Tag: programlisting 25609#: reference_raster.xml:11066 25610#, no-c-format 25611msgid "" 25612"SELECT r1.rid, r2.rid, ST_Touches(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25613"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25614"\n" 25615" rid | rid | st_touches\n" 25616"-----+-----+------------\n" 25617" 2 | 1 | f\n" 25618" 2 | 2 | f" 25619msgstr "" 25620"SELECT r1.rid, r2.rid, ST_Touches(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25621"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25622"\n" 25623" rid | rid | st_touches\n" 25624"-----+-----+------------\n" 25625" 2 | 1 | f\n" 25626" 2 | 2 | f" 25627 25628#. Tag: refname 25629#: reference_raster.xml:11078 25630#, no-c-format 25631msgid "ST_SameAlignment" 25632msgstr "ST_SameAlignment" 25633 25634#. Tag: refpurpose 25635#: reference_raster.xml:11080 25636#, no-c-format 25637msgid "" 25638"Returns true if rasters have same skew, scale, spatial ref, and offset " 25639"(pixels can be put on same grid without cutting into pixels) and false if " 25640"they don't with notice detailing issue." 25641msgstr "" 25642"ラスタが同じスキュー、スケール、空間参照系、オフセットを持つ (ピクセルが分割" 25643"されることなく同じグリッドに置かれている)場合にTRUEを返し、そうでない場合は問" 25644"題を詳述する通知とともにFALSEを返します。" 25645 25646#. Tag: funcsynopsis 25647#: reference_raster.xml:11084 25648#, no-c-format 25649msgid "" 25650"<funcprototype> <funcdef>boolean <function>ST_SameAlignment</function></" 25651"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 25652"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 25653"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 25654"<function>ST_SameAlignment</function></funcdef> <paramdef> <type>double " 25655"precision </type> <parameter>ulx1</parameter> </paramdef> <paramdef> " 25656"<type>double precision </type> <parameter>uly1</parameter> </paramdef> " 25657"<paramdef> <type>double precision </type> <parameter>scalex1</parameter> </" 25658"paramdef> <paramdef> <type>double precision </type> <parameter>scaley1</" 25659"parameter> </paramdef> <paramdef> <type>double precision </type> " 25660"<parameter>skewx1</parameter> </paramdef> <paramdef> <type>double precision " 25661"</type> <parameter>skewy1</parameter> </paramdef> <paramdef> <type>double " 25662"precision </type> <parameter>ulx2</parameter> </paramdef> <paramdef> " 25663"<type>double precision </type> <parameter>uly2</parameter> </paramdef> " 25664"<paramdef> <type>double precision </type> <parameter>scalex2</parameter> </" 25665"paramdef> <paramdef> <type>double precision </type> <parameter>scaley2</" 25666"parameter> </paramdef> <paramdef> <type>double precision </type> " 25667"<parameter>skewx2</parameter> </paramdef> <paramdef> <type>double precision " 25668"</type> <parameter>skewy2</parameter> </paramdef> </funcprototype> " 25669"<funcprototype> <funcdef>boolean <function>ST_SameAlignment</function></" 25670"funcdef> <paramdef> <type>raster set </type> <parameter>rastfield</" 25671"parameter> </paramdef> </funcprototype>" 25672msgstr "" 25673"<funcprototype> <funcdef>boolean <function>ST_SameAlignment</function></" 25674"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 25675"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 25676"paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 25677"<function>ST_SameAlignment</function></funcdef> <paramdef> <type>double " 25678"precision </type> <parameter>ulx1</parameter> </paramdef> <paramdef> " 25679"<type>double precision </type> <parameter>uly1</parameter> </paramdef> " 25680"<paramdef> <type>double precision </type> <parameter>scalex1</parameter> </" 25681"paramdef> <paramdef> <type>double precision </type> <parameter>scaley1</" 25682"parameter> </paramdef> <paramdef> <type>double precision </type> " 25683"<parameter>skewx1</parameter> </paramdef> <paramdef> <type>double precision " 25684"</type> <parameter>skewy1</parameter> </paramdef> <paramdef> <type>double " 25685"precision </type> <parameter>ulx2</parameter> </paramdef> <paramdef> " 25686"<type>double precision </type> <parameter>uly2</parameter> </paramdef> " 25687"<paramdef> <type>double precision </type> <parameter>scalex2</parameter> </" 25688"paramdef> <paramdef> <type>double precision </type> <parameter>scaley2</" 25689"parameter> </paramdef> <paramdef> <type>double precision </type> " 25690"<parameter>skewx2</parameter> </paramdef> <paramdef> <type>double precision " 25691"</type> <parameter>skewy2</parameter> </paramdef> </funcprototype> " 25692"<funcprototype> <funcdef>boolean <function>ST_SameAlignment</function></" 25693"funcdef> <paramdef> <type>raster set </type> <parameter>rastfield</" 25694"parameter> </paramdef> </funcprototype>" 25695 25696#. Tag: para 25697#: reference_raster.xml:11163 25698#, no-c-format 25699msgid "" 25700"Non-Aggregate version (Variants 1 and 2): Returns true if the two rasters " 25701"(either provided directly or made using the values for upperleft, scale, " 25702"skew and srid) have the same scale, skew, srid and at least one of any of " 25703"the four corners of any pixel of one raster falls on any corner of the grid " 25704"of the other raster. Returns false if they don't and a NOTICE detailing the " 25705"alignment issue." 25706msgstr "" 25707"非集計版 (一つ目と二つ目の形式): 二つのラスタ (直接与えたラスタでも左上隅、ス" 25708"ケール、スキュー、SRIDを使って作ったものでも)が同じスキュー、スケール、空間参" 25709"照系、を持ち、少なくとも4隅の一つがもう一方のラスタのグリッド隅に落ちる場合に" 25710"TRUEを返します。そうでない場合には、問題に言及した警告を出します。" 25711 25712#. Tag: para 25713#: reference_raster.xml:11167 25714#, no-c-format 25715msgid "" 25716"Aggregate version (Variant 3): From a set of rasters, returns true if all " 25717"rasters in the set are aligned. The ST_SameAlignment() function is an " 25718"\"aggregate\" function in the terminology of PostgreSQL. That means that it " 25719"operates on rows of data, in the same way the SUM() and AVG() functions do." 25720msgstr "" 25721"集約関数版 (三つ目の形式): ラスタ集合から、全てのラスタが同じアラインメントを" 25722"持つ場合にTRUEを返します。ST_SameAlignment()関数はPostgreSQLの用語で言うとこ" 25723"ろの「集約」関数です。SUM()やAVG()といった複数のデータ行での操作を意味しま" 25724"す。" 25725 25726#. Tag: para 25727#: reference_raster.xml:11172 25728#, no-c-format 25729msgid "Enhanced: 2.1.0 addition of Aggegrate variant" 25730msgstr "Enhanced: 2.1.0 集約関数版の追加" 25731 25732#. Tag: title 25733#: reference_raster.xml:11176 25734#, no-c-format 25735msgid "Examples: Rasters" 25736msgstr "例: ラスタ" 25737 25738#. Tag: programlisting 25739#: reference_raster.xml:11178 25740#, no-c-format 25741msgid "" 25742"SELECT ST_SameAlignment(\n" 25743" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25744" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0)\n" 25745") as sm;\n" 25746"\n" 25747"sm\n" 25748"----\n" 25749"t" 25750msgstr "" 25751"SELECT ST_SameAlignment(\n" 25752" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25753" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0)\n" 25754") as sm;\n" 25755"\n" 25756"sm\n" 25757"----\n" 25758"t" 25759 25760#. Tag: programlisting 25761#: reference_raster.xml:11179 25762#, no-c-format 25763msgid "" 25764"SELECT ST_SameAlignment(A.rast,b.rast)\n" 25765" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 25766"\n" 25767" NOTICE: The two rasters provided have different SRIDs\n" 25768"NOTICE: The two rasters provided have different SRIDs\n" 25769" st_samealignment\n" 25770"------------------\n" 25771" t\n" 25772" f\n" 25773" f\n" 25774" f" 25775msgstr "" 25776"SELECT ST_SameAlignment(A.rast,b.rast)\n" 25777" FROM dummy_rast AS A CROSS JOIN dummy_rast AS B;\n" 25778"\n" 25779" NOTICE: The two rasters provided have different SRIDs\n" 25780"NOTICE: The two rasters provided have different SRIDs\n" 25781" st_samealignment\n" 25782"------------------\n" 25783" t\n" 25784" f\n" 25785" f\n" 25786" f" 25787 25788#. Tag: para 25789#: reference_raster.xml:11183 25790#, no-c-format 25791msgid "" 25792", <xref linkend=\"RT_ST_NotSameAlignmentReason\"/>, <xref linkend=" 25793"\"RT_ST_MakeEmptyRaster\"/>" 25794msgstr "" 25795", <xref linkend=\"RT_ST_NotSameAlignmentReason\"/>, <xref linkend=" 25796"\"RT_ST_MakeEmptyRaster\"/>" 25797 25798#. Tag: refname 25799#: reference_raster.xml:11193 25800#, no-c-format 25801msgid "ST_NotSameAlignmentReason" 25802msgstr "ST_NotSameAlignmentReason" 25803 25804#. Tag: refpurpose 25805#: reference_raster.xml:11194 25806#, no-c-format 25807msgid "" 25808"<refpurpose>Returns text stating if rasters are aligned and if not aligned, " 25809"a reason why.</refpurpose>" 25810msgstr "" 25811"<refpurpose>ラスタが同じアラインメントを持つかどうか、また、持たない場合には" 25812"その理由を示す文字列を返します。</refpurpose>" 25813 25814#. Tag: funcprototype 25815#: reference_raster.xml:11199 25816#, no-c-format 25817msgid "" 25818"<funcdef>text <function>ST_NotSameAlignmentReason</function></funcdef> " 25819"<paramdef><type>raster </type><parameter>rastA</parameter></paramdef> " 25820"<paramdef><type>raster </type><parameter>rastB</parameter></paramdef>" 25821msgstr "" 25822"<funcdef>text <function>ST_NotSameAlignmentReason</function></funcdef> " 25823"<paramdef><type>raster </type><parameter>rastA</parameter></paramdef> " 25824"<paramdef><type>raster </type><parameter>rastB</parameter></paramdef>" 25825 25826#. Tag: para 25827#: reference_raster.xml:11209 25828#, no-c-format 25829msgid "" 25830"<para>Returns text stating if rasters are aligned and if not aligned, a " 25831"reason why.</para>" 25832msgstr "" 25833"<para>ラスタが同じアラインメントを持つかどうか、また、持たない場合にはその理" 25834"由を示す文字列を返します。</para>" 25835 25836#. Tag: para 25837#: reference_raster.xml:11212 25838#, no-c-format 25839msgid "" 25840"If there are several reasons why the rasters are not aligned, only one " 25841"reason (the first test to fail) will be returned." 25842msgstr "" 25843"ラスタが同じアラインメントを持たない理由が複数ある場合には、一つだけ （最初の" 25844"テストで失敗した)理由を返します。" 25845 25846#. Tag: programlisting 25847#: reference_raster.xml:11222 25848#, no-c-format 25849msgid "" 25850"SELECT\n" 25851" ST_SameAlignment(\n" 25852" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25853" ST_MakeEmptyRaster(1, 1, 0, 0, 1.1, 1.1, 0, 0)\n" 25854" ),\n" 25855" ST_NotSameAlignmentReason(\n" 25856" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25857" ST_MakeEmptyRaster(1, 1, 0, 0, 1.1, 1.1, 0, 0)\n" 25858" )\n" 25859";\n" 25860"\n" 25861" st_samealignment | st_notsamealignmentreason\n" 25862"------------------+-------------------------------------------------\n" 25863" f | The rasters have different scales on the X axis\n" 25864"(1 row)" 25865msgstr "" 25866"SELECT\n" 25867" ST_SameAlignment(\n" 25868" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25869" ST_MakeEmptyRaster(1, 1, 0, 0, 1.1, 1.1, 0, 0)\n" 25870" ),\n" 25871" ST_NotSameAlignmentReason(\n" 25872" ST_MakeEmptyRaster(1, 1, 0, 0, 1, 1, 0, 0),\n" 25873" ST_MakeEmptyRaster(1, 1, 0, 0, 1.1, 1.1, 0, 0)\n" 25874" )\n" 25875";\n" 25876"\n" 25877" st_samealignment | st_notsamealignmentreason\n" 25878"------------------+-------------------------------------------------\n" 25879" f | The rasters have different scales on the X axis\n" 25880"(1 row)" 25881 25882#. Tag: para 25883#: reference_raster.xml:11227 25884#, no-c-format 25885msgid ", <xref linkend=\"RT_ST_SameAlignment\"/>" 25886msgstr ", <xref linkend=\"RT_ST_SameAlignment\"/>" 25887 25888#. Tag: refname 25889#: reference_raster.xml:11236 25890#, no-c-format 25891msgid "ST_Within" 25892msgstr "ST_Within" 25893 25894#. Tag: refpurpose 25895#: reference_raster.xml:11237 25896#, no-c-format 25897msgid "" 25898"Return true if no points of raster rastA lie in the exterior of raster rastB " 25899"and at least one point of the interior of rastA lies in the interior of " 25900"rastB." 25901msgstr "" 25902"rastAがrastBの外部に点を持たず、rastAの内部の少なくとも一つの点がrastBの内部" 25903"にある場合にTRUEを返します。" 25904 25905#. Tag: funcsynopsis 25906#: reference_raster.xml:11243 25907#, no-c-format 25908msgid "" 25909"<funcprototype> <funcdef>boolean <function>ST_Within</function></funcdef> " 25910"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25911"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25912"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25913"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25914"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Within</" 25915"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25916"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25917"parameter> </paramdef> </funcprototype>" 25918msgstr "" 25919"<funcprototype> <funcdef>boolean <function>ST_Within</function></funcdef> " 25920"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 25921"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 25922"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 25923"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> </" 25924"funcprototype> <funcprototype> <funcdef>boolean <function>ST_Within</" 25925"function></funcdef> <paramdef> <type>raster </type> <parameter>rastA</" 25926"parameter> </paramdef> <paramdef> <type>raster </type> <parameter>rastB</" 25927"parameter> </paramdef> </funcprototype>" 25928 25929#. Tag: para 25930#: reference_raster.xml:11282 25931#, no-c-format 25932msgid "" 25933"Raster rastA is within rastB if and only if no points of rastA lie in the " 25934"exterior of rastB and at least one point of the interior of rastA lies in " 25935"the interior of rastB. If the band number is not provided (or set to NULL), " 25936"only the convex hull of the raster is considered in the test. If the band " 25937"number is provided, only those pixels with value (not NODATA) are considered " 25938"in the test." 25939msgstr "" 25940"rastAがrastBの外部に点を持たず、rastAの内部の少なくとも一つの点がrastBの内部" 25941"にある場合にrastAはrastBに対してWithinです。バンド番号が指定されていないか" 25942"NULLに指定されている場合には、ラスタの凸包のみを考慮してテストします。バンド" 25943"番号が指定されている場合には、値を持つ (NODATAでない)ピクセルについてテストし" 25944"ます。" 25945 25946#. Tag: para 25947#: reference_raster.xml:11293 25948#, no-c-format 25949msgid "" 25950"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 25951"on the raster, e.g. ST_Within(ST_Polygon(raster), geometry) or " 25952"ST_Within(geometry, ST_Polygon(raster))." 25953msgstr "" 25954"ラスタとジオメトリの空間関係をテストするには、ST_Within(ST_Polygon(raster), " 25955"geometry)またはST_Within(geometry, ST_Polygon(raster))というふうに、ラスタに" 25956"ST_Polygonを使います。" 25957 25958#. Tag: para 25959#: reference_raster.xml:11299 25960#, no-c-format 25961msgid "" 25962"ST_Within() is the inverse of ST_Contains(). So, ST_Within(rastA, rastB) " 25963"implies ST_Contains(rastB, rastA)." 25964msgstr "" 25965"ST_Within()はST_Contains()の逆です。ST_Within(rastA, rastB)は" 25966"ST_Contains(rastB, rastA)を示します。" 25967 25968#. Tag: programlisting 25969#: reference_raster.xml:11310 25970#, no-c-format 25971msgid "" 25972"SELECT r1.rid, r2.rid, ST_Within(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25973"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25974"\n" 25975" rid | rid | st_within\n" 25976"-----+-----+-----------\n" 25977" 2 | 1 | f\n" 25978" 2 | 2 | t" 25979msgstr "" 25980"SELECT r1.rid, r2.rid, ST_Within(r1.rast, 1, r2.rast, 1) FROM dummy_rast r1 " 25981"CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 25982"\n" 25983" rid | rid | st_within\n" 25984"-----+-----+-----------\n" 25985" 2 | 1 | f\n" 25986" 2 | 2 | t" 25987 25988#. Tag: para 25989#: reference_raster.xml:11314 25990#, no-c-format 25991msgid "" 25992", <xref linkend=\"RT_ST_Contains\"/>, <xref linkend=\"RT_ST_DWithin\"/>, " 25993"<xref linkend=\"RT_ST_DFullyWithin\"/>" 25994msgstr "" 25995", <xref linkend=\"RT_ST_Contains\"/>, <xref linkend=\"RT_ST_DWithin\"/>, " 25996"<xref linkend=\"RT_ST_DFullyWithin\"/>" 25997 25998#. Tag: refname 25999#: reference_raster.xml:11325 26000#, no-c-format 26001msgid "ST_DWithin" 26002msgstr "ST_DWithin" 26003 26004#. Tag: refpurpose 26005#: reference_raster.xml:11326 26006#, no-c-format 26007msgid "" 26008"Return true if rasters rastA and rastB are within the specified distance of " 26009"each other." 26010msgstr "rastAとrastBが指定した距離内にある場合にTRUEを返します。" 26011 26012#. Tag: funcsynopsis 26013#: reference_raster.xml:11332 26014#, no-c-format 26015msgid "" 26016"<funcprototype> <funcdef>boolean <function>ST_DWithin</function></funcdef> " 26017"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 26018"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 26019"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 26020"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> " 26021"<paramdef> <type>double precision </type> <parameter>distance_of_srid</" 26022"parameter> </paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 26023"<function>ST_DWithin</function></funcdef> <paramdef> <type>raster </type> " 26024"<parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </type> " 26025"<parameter>rastB</parameter> </paramdef> <paramdef> <type>double precision </" 26026"type> <parameter>distance_of_srid</parameter> </paramdef> </funcprototype>" 26027msgstr "" 26028"<funcprototype> <funcdef>boolean <function>ST_DWithin</function></funcdef> " 26029"<paramdef> <type>raster </type> <parameter>rastA</parameter> </paramdef> " 26030"<paramdef> <type>integer </type> <parameter>nbandA</parameter> </paramdef> " 26031"<paramdef> <type>raster </type> <parameter>rastB</parameter> </paramdef> " 26032"<paramdef> <type>integer </type> <parameter>nbandB</parameter> </paramdef> " 26033"<paramdef> <type>double precision </type> <parameter>distance_of_srid</" 26034"parameter> </paramdef> </funcprototype> <funcprototype> <funcdef>boolean " 26035"<function>ST_DWithin</function></funcdef> <paramdef> <type>raster </type> " 26036"<parameter>rastA</parameter> </paramdef> <paramdef> <type>raster </type> " 26037"<parameter>rastB</parameter> </paramdef> <paramdef> <type>double precision </" 26038"type> <parameter>distance_of_srid</parameter> </paramdef> </funcprototype>" 26039 26040#. Tag: para 26041#: reference_raster.xml:11379 26042#, no-c-format 26043msgid "" 26044"Return true if rasters rastA and rastB are within the specified distance of " 26045"each other. If the band number is not provided (or set to NULL), only the " 26046"convex hull of the raster is considered in the test. If the band number is " 26047"provided, only those pixels with value (not NODATA) are considered in the " 26048"test." 26049msgstr "" 26050"rastAとrastBが指定した距離内にある場合にTRUEを返します。バンド番号が指定され" 26051"ていないかNULLに指定されている場合には、ラスタの凸包のみを考慮してテストしま" 26052"す。バンド番号が指定されている場合には、値を持つ (NODATAでない)ピクセルについ" 26053"てテストします。" 26054 26055#. Tag: para 26056#: reference_raster.xml:11383 reference_raster.xml:11476 26057#, no-c-format 26058msgid "" 26059"The distance is specified in units defined by the spatial reference system " 26060"of the rasters. For this function to make sense, the source rasters must " 26061"both be of the same coordinate projection, having the same SRID." 26062msgstr "" 26063"distanceはラスタの空間参照系で定義される単位です。この関数が意味あるものにす" 26064"るには、元のラスタが両方とも同じ空間参照系である、つまり同じSRIDを持たなけれ" 26065"ばなりません。" 26066 26067#. Tag: para 26068#: reference_raster.xml:11394 26069#, no-c-format 26070msgid "" 26071"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 26072"on the raster, e.g. ST_DWithin(ST_Polygon(raster), geometry)." 26073msgstr "" 26074"ラスタとジオメトリの空間関係をテストするには、ST_DWithin(ST_Polygon(raster), " 26075"geometry)というふうに、ラスタにST_Polygonを使います。" 26076 26077#. Tag: programlisting 26078#: reference_raster.xml:11405 26079#, no-c-format 26080msgid "" 26081"SELECT r1.rid, r2.rid, ST_DWithin(r1.rast, 1, r2.rast, 1, 3.14) FROM " 26082"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 26083"\n" 26084" rid | rid | st_dwithin\n" 26085"-----+-----+------------\n" 26086" 2 | 1 | f\n" 26087" 2 | 2 | t" 26088msgstr "" 26089"SELECT r1.rid, r2.rid, ST_DWithin(r1.rast, 1, r2.rast, 1, 3.14) FROM " 26090"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 26091"\n" 26092" rid | rid | st_dwithin\n" 26093"-----+-----+------------\n" 26094" 2 | 1 | f\n" 26095" 2 | 2 | t" 26096 26097#. Tag: para 26098#: reference_raster.xml:11409 26099#, no-c-format 26100msgid ", <xref linkend=\"RT_ST_DFullyWithin\"/>" 26101msgstr ", <xref linkend=\"RT_ST_DFullyWithin\"/>" 26102 26103#. Tag: refname 26104#: reference_raster.xml:11418 26105#, no-c-format 26106msgid "ST_DFullyWithin" 26107msgstr "ST_DFullyWithin" 26108 26109#. Tag: refpurpose 26110#: reference_raster.xml:11419 26111#, no-c-format 26112msgid "" 26113"Return true if rasters rastA and rastB are fully within the specified " 26114"distance of each other." 26115msgstr "rastAとrastBが指定した距離内に完全に収まる場合にTRUEを返します。" 26116 26117#. Tag: funcsynopsis 26118#: reference_raster.xml:11425 26119#, no-c-format 26120msgid "" 26121"<funcprototype> <funcdef>boolean <function>ST_DFullyWithin</function></" 26122"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 26123"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 26124"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 26125"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 26126"paramdef> <paramdef> <type>double precision </type> " 26127"<parameter>distance_of_srid</parameter> </paramdef> </funcprototype> " 26128"<funcprototype> <funcdef>boolean <function>ST_DFullyWithin</function></" 26129"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 26130"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 26131"paramdef> <paramdef> <type>double precision </type> " 26132"<parameter>distance_of_srid</parameter> </paramdef> </funcprototype>" 26133msgstr "" 26134"<funcprototype> <funcdef>boolean <function>ST_DFullyWithin</function></" 26135"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 26136"paramdef> <paramdef> <type>integer </type> <parameter>nbandA</parameter> </" 26137"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 26138"paramdef> <paramdef> <type>integer </type> <parameter>nbandB</parameter> </" 26139"paramdef> <paramdef> <type>double precision </type> " 26140"<parameter>distance_of_srid</parameter> </paramdef> </funcprototype> " 26141"<funcprototype> <funcdef>boolean <function>ST_DFullyWithin</function></" 26142"funcdef> <paramdef> <type>raster </type> <parameter>rastA</parameter> </" 26143"paramdef> <paramdef> <type>raster </type> <parameter>rastB</parameter> </" 26144"paramdef> <paramdef> <type>double precision </type> " 26145"<parameter>distance_of_srid</parameter> </paramdef> </funcprototype>" 26146 26147#. Tag: para 26148#: reference_raster.xml:11472 26149#, no-c-format 26150msgid "" 26151"Return true if rasters rastA and rastB are fully within the specified " 26152"distance of each other. If the band number is not provided (or set to NULL), " 26153"only the convex hull of the raster is considered in the test. If the band " 26154"number is provided, only those pixels with value (not NODATA) are considered " 26155"in the test." 26156msgstr "" 26157"rastAとrastBが指定した距離内に完全に収まる場合にTRUEを返します。バンド番号が" 26158"指定されていないかNULLに指定されている場合には、ラスタの凸包のみを考慮してテ" 26159"ストします。バンド番号が指定されている場合には、値を持つ (NODATAでない)ピクセ" 26160"ルについてテストします。" 26161 26162#. Tag: para 26163#: reference_raster.xml:11487 26164#, no-c-format 26165msgid "" 26166"To test the spatial relationship of a raster and a geometry, use ST_Polygon " 26167"on the raster, e.g. ST_DFullyWithin(ST_Polygon(raster), geometry)." 26168msgstr "" 26169"ラスタとジオメトリの空間関係をテストするには、" 26170"ST_DFullyWithin(ST_Polygon(raster), geometry)というふうに、ラスタにST_Polygon" 26171"を使います。" 26172 26173#. Tag: programlisting 26174#: reference_raster.xml:11498 26175#, no-c-format 26176msgid "" 26177"SELECT r1.rid, r2.rid, ST_DFullyWithin(r1.rast, 1, r2.rast, 1, 3.14) FROM " 26178"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 26179"\n" 26180" rid | rid | st_dfullywithin\n" 26181"-----+-----+-----------------\n" 26182" 2 | 1 | f\n" 26183" 2 | 2 | t" 26184msgstr "" 26185"SELECT r1.rid, r2.rid, ST_DFullyWithin(r1.rast, 1, r2.rast, 1, 3.14) FROM " 26186"dummy_rast r1 CROSS JOIN dummy_rast r2 WHERE r1.rid = 2;\n" 26187"\n" 26188" rid | rid | st_dfullywithin\n" 26189"-----+-----+-----------------\n" 26190" 2 | 1 | f\n" 26191" 2 | 2 | t" 26192 26193#. Tag: para 26194#: reference_raster.xml:11502 26195#, no-c-format 26196msgid ", <xref linkend=\"RT_ST_DWithin\"/>" 26197msgstr ", <xref linkend=\"RT_ST_DWithin\"/>" 26198 26199#. Tag: para 26200#: reference_raster.xml:11514 26201#, no-c-format 26202msgid "" 26203"This section documents various gotchas and tips related to PostGIS Raster." 26204msgstr "" 26205"本節では、PostGISラスタに関連する様々な落とし穴や技法について説明します。" 26206 26207#. Tag: title 26208#: reference_raster.xml:11517 26209#, no-c-format 26210msgid "Raster Tips" 26211msgstr "ラスタに関する技法" 26212 26213#. Tag: title 26214#: reference_raster.xml:11520 26215#, no-c-format 26216msgid "Out-DB Rasters" 26217msgstr "データベース外ラスタ" 26218 26219#. Tag: title 26220#: reference_raster.xml:11523 26221#, no-c-format 26222msgid "Directory containing many files" 26223msgstr "多数のファイルを持つディレクトリ" 26224 26225#. Tag: para 26226#: reference_raster.xml:11524 26227#, no-c-format 26228msgid "" 26229"When GDAL opens a file, GDAL eagerly scans the directory of that file to " 26230"build a catalog of other files. If this directory contains many files (e.g. " 26231"thousands, millions), opening that file becomes extremely slow (especially " 26232"if that file happens to be on a network drive such as NFS)." 26233msgstr "" 26234"GDALはファイルを開く時に、そのファイルのディレクトリを熱心にスキャンして、他" 26235"のファイルのカタログを構築します。このディレクトリに多数のファイル (千とか万" 26236"とか)あるとします。一つのファイルを開くと動作が非常に遅くなります (特にNFSの" 26237"ようなネットワークドライブの場合)。" 26238 26239#. Tag: para 26240#: reference_raster.xml:11527 26241#, no-c-format 26242msgid "" 26243"To control this behavior, GDAL provides the following environment variable: " 26244"<ulink url=\"https://trac.osgeo.org/gdal/wiki/" 26245"ConfigOptions#GDAL_DISABLE_READDIR_ON_OPEN\">GDAL_DISABLE_READDIR_ON_OPEN</" 26246"ulink>. Set <varname>GDAL_DISABLE_READDIR_ON_OPEN</varname> to " 26247"<varname>TRUE</varname> to disable directory scanning." 26248msgstr "" 26249"この振る舞いを制御するために、GDALには<ulink url=\"https://trac.osgeo.org/" 26250"gdal/wiki/ConfigOptions#GDAL_DISABLE_READDIR_ON_OPEN" 26251"\">GDAL_DISABLE_READDIR_ON_OPEN</ulink>という環境変数があります。" 26252"<varname>GDAL_DISABLE_READDIR_ON_OPEN</varname>を<varname>TRUE</varname>に設" 26253"定すると、ディレクトリのスキャンを無効にします。" 26254 26255#. Tag: para 26256#: reference_raster.xml:11531 26257#, no-c-format 26258msgid "" 26259"In Ubuntu (and assuming you are using PostgreSQL's packages for Ubuntu), " 26260"<varname>GDAL_DISABLE_READDIR_ON_OPEN</varname> can be set in <emphasis>/etc/" 26261"postgresql/POSTGRESQL_VERSION/CLUSTER_NAME/environment</emphasis> (where " 26262"POSTGRESQL_VERSION is the version of PostgreSQL, e.g. 9.6 and CLUSTER_NAME " 26263"is the name of the cluster, e.g. maindb). You can also set PostGIS " 26264"environment variables here as well." 26265msgstr "" 26266"Ubuntuでは (Ubuntu用PostgreSQLのパッケージを使っていると仮定します)、" 26267"<varname>GDAL_DISABLE_READDIR_ON_OPEN</varname>が<emphasis>/etc/postgresql/" 26268"POSTGRESQL_VERSION/CLUSTER_NAME/environment</emphasis>内で設定できます " 26269"(POSTGRESQL_VERSIONは9.6等のPostgreSQLのバージョンで、CLUSTER_NAMEはmaindb等" 26270"のクラスタ名です)。PostGIS環境変数もここで同じく設定できます。" 26271 26272#. Tag: programlisting 26273#: reference_raster.xml:11534 26274#, no-c-format 26275msgid "" 26276"# environment variables for postmaster process\n" 26277"# This file has the same syntax as postgresql.conf:\n" 26278"# VARIABLE = simple_value\n" 26279"# VARIABLE2 = 'any value!'\n" 26280"# I. e. you need to enclose any value which does not only consist of " 26281"letters,\n" 26282"# numbers, and '-', '_', '.' in single quotes. Shell commands are not\n" 26283"# evaluated.\n" 26284"POSTGIS_GDAL_ENABLED_DRIVERS = 'ENABLE_ALL'\n" 26285"\n" 26286"POSTGIS_ENABLE_OUTDB_RASTERS = 1\n" 26287"\n" 26288"<emphasis role=\"strong\">GDAL_DISABLE_READDIR_ON_OPEN = 'TRUE'</emphasis>" 26289msgstr "" 26290"# postmasterプロセスの環境変数\n" 26291"# このファイルはpostgresql.confと同じ文法で、次のように書きます。\n" 26292"# VARIABLE = simple_value\n" 26293"# VARIABLE2 = 'any value!'\n" 26294"# 例えば、英数文字と'-', '_', '.' (のシングルクォート内)以外の文字を含む値を" 26295"囲む必要があります。\n" 26296"# シェルコマンドは評価されません。\n" 26297"POSTGIS_GDAL_ENABLED_DRIVERS = 'ENABLE_ALL'\n" 26298"\n" 26299"POSTGIS_ENABLE_OUTDB_RASTERS = 1\n" 26300"\n" 26301"<emphasis role=\"strong\">GDAL_DISABLE_READDIR_ON_OPEN = 'TRUE'</emphasis>" 26302 26303#. Tag: title 26304#: reference_raster.xml:11540 26305#, no-c-format 26306msgid "Maximum Number of Open Files" 26307msgstr "開くことができるファイルの最大数" 26308 26309#. Tag: para 26310#: reference_raster.xml:11542 26311#, no-c-format 26312msgid "" 26313"The maximum number of open files permitted by Linux and PostgreSQL are " 26314"typically conservative (typically 1024 open files per process) given the " 26315"assumption that the system is consumed by human users. For Out-DB Rasters, a " 26316"single valid query can easily exceed this limit (e.g. a dataset of 10 year's " 26317"worth of rasters with one raster for each day containing minimum and maximum " 26318"temperatures and we want to know the absolute min and max value for a pixel " 26319"in that dataset)." 26320msgstr "" 26321"LinuxとPostgreSQLが許している、開くことができるファイルの最大数は、通常は増加" 26322"していません (通常、プロセスあたり1024ファイルです)。システムは人間のユーザが" 26323"使用するという仮定に立っているからです。データベース外ラスタは、一つの妥当な" 26324"クエリで簡単に制限超過させることができます (例えば、10年分のラスタからなる" 26325"データセットで、個々のラスタは日別最低気温、最大気温を持っていて、データセッ" 26326"ト内の最大値と最小値を得たい場合などです)。" 26327 26328#. Tag: para 26329#: reference_raster.xml:11546 26330#, no-c-format 26331msgid "" 26332"The easiest change to make is the following PostgreSQL setting: <ulink url=" 26333"\"https://www.postgresql.org/docs/current/static/runtime-config-resource." 26334"html#GUC-MAX-FILES-PER-PROCESS\">max_files_per_process</ulink>. The default " 26335"is set to 1000, which is far too low for Out-DB Rasters. A safe starting " 26336"value could be 65536 but this really depends on your datasets and the " 26337"queries run against those datasets. This setting can only be made on server " 26338"start and probably only in the PostgreSQL configuration file (e.g. " 26339"<emphasis>/etc/postgresql/POSTGRESQL_VERSION/CLUSTER_NAME/postgresql.conf</" 26340"emphasis> in Ubuntu environments)." 26341msgstr "" 26342"最も簡単な変更方法は、PostgreSQL設定<ulink url=\"https://www.postgresql.org/" 26343"docs/current/static/runtime-config-resource.html#GUC-MAX-FILES-PER-PROCESS" 26344"\">max_files_per_process</ulink>です。デフォルトとして1000が設定されています" 26345"が、データベース外ラスタとしては非常に低い値です。安全な開始値は65536でしょ" 26346"う。ただし、実際には、これはデータベースとデータベースに対して実行されるクエ" 26347"リに依存します。サーバ開始時のみ、かつPostgreSQLコンフィギュレーションファイ" 26348"ル (例: Ubuntu環境では<emphasis>/etc/postgresql/POSTGRESQL_VERSION/" 26349"CLUSTER_NAME/postgresql.conf</emphasis>)内のみで設定できます。" 26350 26351#. Tag: programlisting 26352#: reference_raster.xml:11549 26353#, no-c-format 26354msgid "" 26355"...\n" 26356"# - Kernel Resource Usage -\n" 26357"\n" 26358"<emphasis role=\"strong\">max_files_per_process = 65536</emphasis> " 26359"# min 25\n" 26360" # (change requires restart)\n" 26361"..." 26362msgstr "" 26363"...\n" 26364"# - カーネルリソースの使用状況 -\n" 26365"\n" 26366"<emphasis role=\"strong\">max_files_per_process = 65536</emphasis> " 26367"# min 25\n" 26368" # (change requires restart)\n" 26369"..." 26370 26371#. Tag: para 26372#: reference_raster.xml:11552 26373#, no-c-format 26374msgid "" 26375"The major change to make is the Linux kernel's open files limits. There are " 26376"two parts to this:" 26377msgstr "" 26378"主な変更はLinuxカーネルのファイルを開く制限です。次の通り、二つに分かれます。" 26379 26380#. Tag: para 26381#: reference_raster.xml:11556 26382#, no-c-format 26383msgid "<para>Maximum number of open files for the entire system</para>" 26384msgstr "<para>システム全体で開くことができるファイルの最大数</para>" 26385 26386#. Tag: para 26387#: reference_raster.xml:11559 26388#, no-c-format 26389msgid "<para>Maximum number of open files per process</para>" 26390msgstr "<para>プロセスごとに開くことができるファイルの最大数</para>" 26391 26392#. Tag: title 26393#: reference_raster.xml:11565 26394#, no-c-format 26395msgid "<title>Maximum number of open files for the entire system</title>" 26396msgstr "<title>システム全体で開くことができるファイルの最大数</title>" 26397 26398#. Tag: para 26399#: reference_raster.xml:11567 26400#, no-c-format 26401msgid "" 26402"You can inspect the current maximum number of open files for the entire " 26403"system with the following example:" 26404msgstr "" 26405"次の例で、システム全体の、現在の開くことができるファイルの最大値を調べること" 26406"ができます。" 26407 26408#. Tag: programlisting 26409#: reference_raster.xml:11571 26410#, no-c-format 26411msgid "" 26412"$ sysctl -a | grep fs.file-max\n" 26413"fs.file-max = 131072" 26414msgstr "" 26415"$ sysctl -a | grep fs.file-max\n" 26416"fs.file-max = 131072" 26417 26418#. Tag: para 26419#: reference_raster.xml:11573 26420#, no-c-format 26421msgid "" 26422"If the value returned is not large enough, add a file to <emphasis>/etc/" 26423"sysctl.d/</emphasis> as per the following example:" 26424msgstr "" 26425"返された値が十分には大きくない場合には、次に示す例に従って、<emphasis>/etc/" 26426"sysctl.d/</emphasis>にファイルを追加します。" 26427 26428#. Tag: programlisting 26429#: reference_raster.xml:11577 26430#, no-c-format 26431msgid "" 26432"$ echo \"fs.file-max = 6145324\" >> /etc/sysctl.d/fs.conf\n" 26433"\n" 26434"$ cat /etc/sysctl.d/fs.conf\n" 26435"fs.file-max = 6145324\n" 26436"\n" 26437"$ sysctl -p --system\n" 26438"* Applying /etc/sysctl.d/fs.conf ...\n" 26439"fs.file-max = 2097152\n" 26440"* Applying /etc/sysctl.conf ...\n" 26441"\n" 26442"$ sysctl -a | grep fs.file-max\n" 26443"fs.file-max = 6145324" 26444msgstr "" 26445"$ echo \"fs.file-max = 6145324\" >> /etc/sysctl.d/fs.conf\n" 26446"\n" 26447"$ cat /etc/sysctl.d/fs.conf\n" 26448"fs.file-max = 6145324\n" 26449"\n" 26450"$ sysctl -p --system\n" 26451"* Applying /etc/sysctl.d/fs.conf ...\n" 26452"fs.file-max = 2097152\n" 26453"* Applying /etc/sysctl.conf ...\n" 26454"\n" 26455"$ sysctl -a | grep fs.file-max\n" 26456"fs.file-max = 6145324" 26457 26458#. Tag: title 26459#: reference_raster.xml:11581 26460#, no-c-format 26461msgid "<title>Maximum number of open files per process</title>" 26462msgstr "<title>プロセスごとの開けるファイルの最大数</title>" 26463 26464#. Tag: para 26465#: reference_raster.xml:11583 26466#, no-c-format 26467msgid "" 26468"We need to increase the maximum number of open files per process for the " 26469"PostgreSQL server processes." 26470msgstr "" 26471"PostgreSQLのサーバプロセスごとに開けるファイルの最大数を増やす必要がありま" 26472"す。" 26473 26474#. Tag: para 26475#: reference_raster.xml:11587 26476#, no-c-format 26477msgid "" 26478"To see what the current PostgreSQL service processes are using for maximum " 26479"number of open files, do as per the following example (make sure to have " 26480"PostgreSQL running):" 26481msgstr "" 26482"現在のPostgreSQLサービスのプロセスは開くことができるファイルの最大数を使って" 26483"いて、次の例のようになっています (PostgreSQLが実行されていることを確認して下" 26484"さい)。" 26485 26486#. Tag: programlisting 26487#: reference_raster.xml:11591 26488#, no-c-format 26489msgid "" 26490"$ ps aux | grep postgres\n" 26491"postgres 31713 0.0 0.4 179012 17564 pts/0 S Dec26 0:03 /home/" 26492"dustymugs/devel/postgresql/sandbox/10/usr/local/bin/postgres -D /home/" 26493"dustymugs/devel/postgresql/sandbox/10/pgdata\n" 26494"postgres 31716 0.0 0.8 179776 33632 ? Ss Dec26 0:01 postgres: " 26495"checkpointer process\n" 26496"postgres 31717 0.0 0.2 179144 9416 ? Ss Dec26 0:05 postgres: " 26497"writer process\n" 26498"postgres 31718 0.0 0.2 179012 8708 ? Ss Dec26 0:06 postgres: " 26499"wal writer process\n" 26500"postgres 31719 0.0 0.1 179568 7252 ? Ss Dec26 0:03 postgres: " 26501"autovacuum launcher process\n" 26502"postgres 31720 0.0 0.1 34228 4124 ? Ss Dec26 0:09 postgres: " 26503"stats collector process\n" 26504"postgres 31721 0.0 0.1 179308 6052 ? Ss Dec26 0:00 postgres: " 26505"bgworker: logical replication launcher\n" 26506"\n" 26507"$ cat /proc/31718/limits\n" 26508"Limit Soft Limit Hard Limit Units\n" 26509"Max cpu time unlimited unlimited seconds\n" 26510"Max file size unlimited unlimited bytes\n" 26511"Max data size unlimited unlimited bytes\n" 26512"Max stack size 8388608 unlimited bytes\n" 26513"Max core file size 0 unlimited bytes\n" 26514"Max resident set unlimited unlimited bytes\n" 26515"Max processes 15738 15738 " 26516"processes\n" 26517"<emphasis role=\"strong\">Max open files 1024 " 26518"4096 files</emphasis>\n" 26519"Max locked memory 65536 65536 bytes\n" 26520"Max address space unlimited unlimited bytes\n" 26521"Max file locks unlimited unlimited locks\n" 26522"Max pending signals 15738 15738 signals\n" 26523"Max msgqueue size 819200 819200 bytes\n" 26524"Max nice priority 0 0\n" 26525"Max realtime priority 0 0\n" 26526"Max realtime timeout unlimited unlimited us" 26527msgstr "" 26528"$ ps aux | grep postgres\n" 26529"postgres 31713 0.0 0.4 179012 17564 pts/0 S Dec26 0:03 /home/" 26530"dustymugs/devel/postgresql/sandbox/10/usr/local/bin/postgres -D /home/" 26531"dustymugs/devel/postgresql/sandbox/10/pgdata\n" 26532"postgres 31716 0.0 0.8 179776 33632 ? Ss Dec26 0:01 postgres: " 26533"checkpointer process\n" 26534"postgres 31717 0.0 0.2 179144 9416 ? Ss Dec26 0:05 postgres: " 26535"writer process\n" 26536"postgres 31718 0.0 0.2 179012 8708 ? Ss Dec26 0:06 postgres: " 26537"wal writer process\n" 26538"postgres 31719 0.0 0.1 179568 7252 ? Ss Dec26 0:03 postgres: " 26539"autovacuum launcher process\n" 26540"postgres 31720 0.0 0.1 34228 4124 ? Ss Dec26 0:09 postgres: " 26541"stats collector process\n" 26542"postgres 31721 0.0 0.1 179308 6052 ? Ss Dec26 0:00 postgres: " 26543"bgworker: logical replication launcher\n" 26544"\n" 26545"$ cat /proc/31718/limits\n" 26546"Limit Soft Limit Hard Limit Units\n" 26547"Max cpu time unlimited unlimited seconds\n" 26548"Max file size unlimited unlimited bytes\n" 26549"Max data size unlimited unlimited bytes\n" 26550"Max stack size 8388608 unlimited bytes\n" 26551"Max core file size 0 unlimited bytes\n" 26552"Max resident set unlimited unlimited bytes\n" 26553"Max processes 15738 15738 " 26554"processes\n" 26555"<emphasis role=\"strong\">Max open files 1024 " 26556"4096 files</emphasis>\n" 26557"Max locked memory 65536 65536 bytes\n" 26558"Max address space unlimited unlimited bytes\n" 26559"Max file locks unlimited unlimited locks\n" 26560"Max pending signals 15738 15738 signals\n" 26561"Max msgqueue size 819200 819200 bytes\n" 26562"Max nice priority 0 0\n" 26563"Max realtime priority 0 0\n" 26564"Max realtime timeout unlimited unlimited us" 26565 26566#. Tag: para 26567#: reference_raster.xml:11593 26568#, no-c-format 26569msgid "" 26570"In the example above, we inspected the open files limit for Process 31718. " 26571"It doesn't matter which PostgreSQL process, any of them will do. The " 26572"response we are interested in is <emphasis>Max open files</emphasis>." 26573msgstr "" 26574"上の例では、プロセスに対する開くことができるファイルの制限が31718になっていま" 26575"す。どのプロセスがどうするかは問題ではありません。関心を持っている応答は" 26576"<emphasis>Max open files</emphasis>です。" 26577 26578#. Tag: para 26579#: reference_raster.xml:11597 26580#, no-c-format 26581msgid "" 26582"We want to increase <emphasis>Soft Limit</emphasis> and <emphasis>Hard " 26583"Limit</emphasis> of <emphasis>Max open files</emphasis> to be greater than " 26584"the value we specified for the PostgreSQL setting " 26585"<varname>max_files_per_process</varname>. In our example, we set " 26586"<varname>max_files_per_process</varname> to 65536." 26587msgstr "" 26588"<emphasis>Max open files</emphasis>の<emphasis>Soft Limit</emphasis>と" 26589"<emphasis>Hard Limit</emphasis>をPostgreSQLの設定で指定した" 26590"<varname>max_files_per_process</varname>よりも多くなるようにしたいと思ってい" 26591"ます。この例では、<varname>max_files_per_process</varname>を65536にしていま" 26592"す。" 26593 26594#. Tag: para 26595#: reference_raster.xml:11601 26596#, no-c-format 26597msgid "" 26598"In Ubuntu (and assuming you are using PostgreSQL's packages for Ubuntu), the " 26599"easiest way to change the <emphasis>Soft Limit</emphasis> and <emphasis>Hard " 26600"Limit</emphasis> is to edit <emphasis role=\"strong\">/etc/init.d/" 26601"postgresql</emphasis> (SysV) or <emphasis role=\"strong\">/lib/systemd/" 26602"system/postgresql*.service</emphasis> (systemd)." 26603msgstr "" 26604"Ubuntu (かつ、Ubuntu用PostgreSQLパッケージを使用しているものとします)では、" 26605"<emphasis>Soft Limit</emphasis>と<emphasis>Hard Limit</emphasis>の変更につい" 26606"ては、<emphasis role=\"strong\">/etc/init.d/postgresql</emphasis> (SysV)また" 26607"は<emphasis role=\"strong\">/lib/systemd/system/postgresql*.service</" 26608"emphasis> (systemd)を編集するのが簡単な方法です。" 26609 26610#. Tag: para 26611#: reference_raster.xml:11605 26612#, no-c-format 26613msgid "" 26614"Let's first address the SysV Ubuntu case where we add <emphasis role=\"strong" 26615"\">ulimit -H -n 262144</emphasis> and <emphasis role=\"strong\">ulimit -n " 26616"131072</emphasis> to <emphasis role=\"strong\">/etc/init.d/postgresql</" 26617"emphasis>." 26618msgstr "" 26619"まず、SysV Ubuntuを扱います。<emphasis role=\"strong\">ulimit -H -n 262144</" 26620"emphasis>と<emphasis role=\"strong\">ulimit -n 131072</emphasis>を<emphasis " 26621"role=\"strong\">/etc/init.d/postgresql</emphasis>に追加します。" 26622 26623#. Tag: programlisting 26624#: reference_raster.xml:11609 26625#, no-c-format 26626msgid "" 26627"...\n" 26628"case \"$1\" in\n" 26629" start|stop|restart|reload)\n" 26630" if [ \"$1\" = \"start\" ]; then\n" 26631" create_socket_directory\n" 26632" fi\n" 26633" if [ -z \"`pg_lsclusters -h`\" ]; then\n" 26634" log_warning_msg 'No PostgreSQL clusters exist; see \"man " 26635"pg_createcluster\"'\n" 26636" exit 0\n" 26637" fi\n" 26638"<emphasis role=\"strong\">\n" 26639" ulimit -H -n 262144\n" 26640" ulimit -n 131072\n" 26641"</emphasis>\n" 26642" for v in $versions; do\n" 26643" $1 $v || EXIT=$?\n" 26644" done\n" 26645" exit ${EXIT:-0}\n" 26646" ;;\n" 26647" status)\n" 26648"..." 26649msgstr "" 26650"...\n" 26651"case \"$1\" in\n" 26652" start|stop|restart|reload)\n" 26653" if [ \"$1\" = \"start\" ]; then\n" 26654" create_socket_directory\n" 26655" fi\n" 26656" if [ -z \"`pg_lsclusters -h`\" ]; then\n" 26657" log_warning_msg 'No PostgreSQL clusters exist; see \"man " 26658"pg_createcluster\"'\n" 26659" exit 0\n" 26660" fi\n" 26661"<emphasis role=\"strong\">\n" 26662" ulimit -H -n 262144\n" 26663" ulimit -n 131072\n" 26664"</emphasis>\n" 26665" for v in $versions; do\n" 26666" $1 $v || EXIT=$?\n" 26667" done\n" 26668" exit ${EXIT:-0}\n" 26669" ;;\n" 26670" status)\n" 26671"..." 26672 26673#. Tag: para 26674#: reference_raster.xml:11611 26675#, no-c-format 26676msgid "" 26677"Now to address the systemd Ubuntu case. We will add <emphasis role=\"strong" 26678"\">LimitNOFILE=131072</emphasis> to every <emphasis role=\"strong\">/lib/" 26679"systemd/system/postgresql*.service</emphasis> file in the <emphasis role=" 26680"\"strong\">[Service]</emphasis> section." 26681msgstr "" 26682"Ubuntuのsystemdを扱います。<emphasis role=\"strong\">LimitNOFILE=131072</" 26683"emphasis>を<emphasis role=\"strong\">/lib/systemd/system/postgresql*." 26684"service</emphasis>の各ファイルの<emphasis role=\"strong\">[Service]</" 26685"emphasis>セクション内に記述します。" 26686 26687#. Tag: programlisting 26688#: reference_raster.xml:11615 26689#, no-c-format 26690msgid "" 26691"...\n" 26692"[Service]\n" 26693"<emphasis role=\"strong\">\n" 26694"LimitNOFILE=131072\n" 26695"</emphasis>\n" 26696"...\n" 26697"\n" 26698"[Install]\n" 26699"WantedBy=multi-user.target\n" 26700"..." 26701msgstr "" 26702"...\n" 26703"[Service]\n" 26704"<emphasis role=\"strong\">\n" 26705"LimitNOFILE=131072\n" 26706"</emphasis>\n" 26707"...\n" 26708"\n" 26709"[Install]\n" 26710"WantedBy=multi-user.target\n" 26711"..." 26712 26713#. Tag: para 26714#: reference_raster.xml:11617 26715#, no-c-format 26716msgid "" 26717"After making the necessary systemd changes, make sure to reload the daemon" 26718msgstr "" 26719"必要なシステムの変更を行った後、デーモンのリロードを必ず行ってください。" 26720 26721#. Tag: programlisting 26722#: reference_raster.xml:11621 26723#, no-c-format 26724msgid "systemctl daemon-reload" 26725msgstr "systemctl daemon-reload" 26726 26727#~ msgid "ST_MapAlgebra" 26728#~ msgstr "ST_MapAlgebra" 26729
