1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> 2 3<!--Converted with LaTeX2HTML 2018.3 (Released July 19, 2018) --> 4<HTML lang="EN"> 5<HEAD> 6<TITLE>reorder </TITLE> 7<META NAME="description" CONTENT="reorder "> 8<META NAME="keywords" CONTENT="idl"> 9<META NAME="resource-type" CONTENT="document"> 10<META NAME="distribution" CONTENT="global"> 11 12<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8"> 13<META NAME="viewport" CONTENT="width=device-width, initial-scale=1.0"> 14<META NAME="Generator" CONTENT="LaTeX2HTML v2018.3"> 15 <link rel='apple-touch-icon' sizes='180x180' href='images/favicons/apple-touch-icon.png?v=2017'> 16 <link rel='icon' type='image/png' sizes='32x32' href='images/favicons/favicon-32x32.png?v=2017'> 17 <link rel='icon' type='image/png' sizes='16x16' href='images/favicons/favicon-16x16.png?v=2017'> 18 <link rel='manifest' href='images/favicons/manifest.json?v=2017'> 19 <link rel='mask-icon' href='images/favicons/safari-pinned-tab.svg?v=2017' color='#5bbad5'> 20 <link rel='shortcut icon' href='images/favicons/favicon.ico?v=2017'> 21 <meta name='apple-mobile-web-app-title' content='HEALPix'> 22 <meta name='application-name' content='HEALPix'> 23 <meta name='msapplication-config' content='images/favicons/browserconfig.xml?v=2017'> 24 <meta name='theme-color' content='#ffffff'> 25 26<LINK REL="STYLESHEET" HREF="idl.css"> 27 28<LINK REL="next" HREF="idl_rotate_coord.htm"> 29<LINK REL="previous" HREF="idl_remove_dipole.htm"> 30<LINK REL="next" HREF="idl_rotate_coord.htm"> 31</HEAD> 32 33<body text="#000000" bgcolor="#FFFFFA"> 34 35<DIV CLASS="navigation"><!--Navigation Panel--> 36<A 37 HREF="idl_remove_dipole.htm"> 38<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> 39<A 40 HREF="idl_HEALPix_IDL_subroutines.htm"> 41<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 42<A 43 HREF="idl_rotate_coord.htm"> 44<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 45<A ID="tex2html405" 46 HREF="idl_TABLE_CONTENTS.htm"> 47<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 48<BR> 49<B> Previous:</B> <A 50 HREF="idl_remove_dipole.htm">remove_dipole</A> 51 52<B>Up:</B> <A 53 HREF="idl_HEALPix_IDL_subroutines.htm">HEALPix/IDL subroutines</A> 54 55<B> Next:</B> <A 56 HREF="idl_rotate_coord.htm">rotate_coord</A> 57<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 58<!--End of Navigation Panel--> 59 60<H1><A ID="SECTION6600"></A> 61<A ID="idl:reorder"></A> 62<BR> 63 64</H1> 65 66<P> 67<b><font size=+6><FONT COLOR="#CC0000">reorder </FONT></font></b><hr> 68<H3>This IDL facility allows the reordering of a full sky map from NESTED to RING 69scheme and vice-versa.</H3> 70Location in HEALPix directory tree: <a href="https://sourceforge.net/p/healpix/code/1005/tree/trunk/src/idl/toolkit/reorder.pro"><b>src/idl/toolkit/reorder.pro</b></a> 71 72<P> 73<hr><h1>FORMAT </h1><h3>IDL> 74<A HREF="#idl:reorder:result">Result</A> = REORDER (<A HREF="#idl:reorder:input_map">Input_map</A> [, 75<A HREF="#idl:reorder:help">/HELP</A>, 76<A HREF="#idl:reorder:in">In</A>=, 77<A HREF="#idl:reorder:out">Out</A>=, 78<A HREF="#idl:reorder:n2r">/N2R</A>, 79<A HREF="#idl:reorder:r2n">/R2N</A>]) 80</h3> 81 82<P> 83<hr> 84<H1>QUALIFIERS</H1> 85 86 <DL COMPACT><DT> 87<B>Result</B> 88<DD><A ID="idl:reorder:result"></A> variable containing on output the reordered map 89 90<P> 91<DT> 92<B>Input_map</B> 93<DD><A ID="idl:reorder:input_map"></A> variable containing the input map 94 95<P> 96</DL> 97 98<P> 99<hr><H1>KEYWORDS</H1> 100 101 <DL COMPACT><DT> 102<B>/HELP</B> 103<DD><A ID="idl:reorder:help"></A> if set, the documentation header is printed out and the code exits 104 105<P> 106<DT> 107<B>In=</B> 108<DD><A ID="idl:reorder:in"></A> specifies the input ordering, can be either 'RING' or 'NESTED' 109 110<P> 111<DT> 112<B>Out=</B> 113<DD><A ID="idl:reorder:out"></A> specifies the output ordering, can be either 'RING' or 'NESTED' 114 115<P> 116<DT> 117<B>/N2R</B> 118<DD><A ID="idl:reorder:n2r"></A> If set, does the NESTED to RING conversion, equivalent to In='NESTED' 119 and Out='RING' 120 121<P> 122<DT> 123<B>/R2N</B> 124<DD><A ID="idl:reorder:r2n"></A> If set, does the RING to NESTED conversion, equivalent to 125In='RING' and Out='NESTED' 126 </DL> 127 128<P> 129<hr> 130<H1>DESCRIPTION</H1> 131<blockquote> 132reorder allows the reordering of a full sky map from NESTED to RING 133scheme and vice-versa 134</blockquote> 135 136<P> 137<hr><H1>RELATED ROUTINES</H1><h3>This section lists the routines related to <b><FONT COLOR="#CC0000">reorder </FONT></b></h3> 138 139 <DL COMPACT><DT> 140<B>idl</B> 141<DD>version 6.4 or more is necessary to run reorder <DT> 142<B><A HREF="idl_ud_grade.htm#idl:ud_grade">ud_grade</A></B> 143<DD>downgrades or progrades a full-sky 144or cut-sky <b>HEALPix</b> map. 145</DL> 146 147<P> 148<HR><H1>EXAMPLE:</H1> 149<tt><TABLE CELLPADDING=3> 150<TR><TD ALIGN="LEFT">map_nest = reorder(map_ring, in='ring', out='nest')</TD> 151</TR> 152</TABLE></tt> 153<blockquote>The RING ordered map <TT>map_ring</TT> is converted to the 154NESTED map <TT>map_nest</TT>. 155</blockquote> 156 157<P> 158 159<P> 160 161<P> 162 163<P> 164 165<DIV CLASS="navigation"><HR> 166<!--Navigation Panel--> 167<A 168 HREF="idl_remove_dipole.htm"> 169<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> 170<A 171 HREF="idl_HEALPix_IDL_subroutines.htm"> 172<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 173<A 174 HREF="idl_rotate_coord.htm"> 175<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 176<A ID="tex2html405" 177 HREF="idl_TABLE_CONTENTS.htm"> 178<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 179<BR> 180<B> Previous:</B> <A 181 HREF="idl_remove_dipole.htm">remove_dipole</A> 182 183<B>Up:</B> <A 184 HREF="idl_HEALPix_IDL_subroutines.htm">HEALPix/IDL subroutines</A> 185 186<B> Next:</B> <A 187 HREF="idl_rotate_coord.htm">rotate_coord</A> 188<B> Top:</B> <a 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