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>write_healpix_map</TITLE> 7<META NAME="description" CONTENT="write_healpix_map"> 8<META NAME="keywords" CONTENT="csub"> 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="csub.css"> 27 28<LINK REL="next" HREF="csub_About_this_document.htm"> 29<LINK REL="previous" HREF="csub_vec2ang.htm"> 30<LINK REL="next" HREF="csub_About_this_document.htm"> 31</HEAD> 32 33<body text="#000000" bgcolor="#FFFFFA"> 34 35<DIV CLASS="navigation"><!--Navigation Panel--> 36<A 37 HREF="csub_vec2ang.htm"> 38<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> 39<A 40 HREF="csub_HEALPix_C_subroutines.htm"> 41<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 42<A 43 HREF="csub_About_this_document.htm"> 44<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 45<A ID="tex2html54" 46 HREF="csub_Contents.htm"> 47<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 48<BR> 49<B> Previous:</B> <A 50 HREF="csub_vec2ang.htm">vec2ang</A> 51 52<B>Up:</B> <A 53 HREF="csub_HEALPix_C_subroutines.htm">HEALPix/C subroutines</A> 54 55<B> Next:</B> <A 56 HREF="csub_About_this_document.htm">About this document ...</A> 57<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 58<!--End of Navigation Panel--> 59 60<H1><A ID="SECTION1300"></A> 61<A ID="csub:write_healpix_map"></A> 62<BR> 63 64</H1> 65 66<P> 67<b><font size=+6><FONT COLOR="#CC0000">write_healpix_map</FONT></font></b><hr> 68<H3>This routine writes a full sky <b>HEALPix</b> map into a FITS file</H3> 69Location in HEALPix directory tree: <a href="https://sourceforge.net/p/healpix/code/1005/tree/trunk/src/C/subs/chealpix.c"><b>src/C/subs/chealpix.c</b></a> 70 71<P> 72<hr><h1>FORMAT </h1><h3> 73int write_healpix_map( float *signal, long nside, char *filename, char nest, char *coordsys) 74</h3> 75 76<P> 77<hr><H1>ARGUMENTS</H1> 78 79<TABLE CELLPADDING=3 BORDER="1"> 80<TR><TH ALIGN="LEFT" VALIGN="TOP" WIDTH=150><SPAN CLASS="textbf">name&dimensionality</SPAN></TH> 81<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=25><SPAN CLASS="textbf">kind</SPAN></TH> 82<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=25><SPAN CLASS="textbf">in/out</SPAN></TH> 83<TH ALIGN="LEFT" VALIGN="TOP" WIDTH=250><SPAN CLASS="textbf">description</SPAN></TH> 84</TR> 85<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150> </TD> 86<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25> </TD> 87<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25> </TD> 88<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250> </TD> 89</TR> 90<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150> 91<FONT COLOR="#CC0000">write_healpix_map</FONT></TD> 92<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>int</TD> 93<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>OUT</TD> 94<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250>returns a non zero value in case of error</TD> 95</TR> 96<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>signal</TD> 97<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>float</TD> 98<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>IN</TD> 99<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250>full sky map to be written</TD> 100</TR> 101<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>nside</TD> 102<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>long</TD> 103<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>IN</TD> 104<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250><b>HEALPix</b> resolution parameter of the map (the map should 105 have 12 * nside * nside pixels).</TD> 106</TR> 107<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>filename</TD> 108<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>char</TD> 109<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>IN</TD> 110<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250>FITS file in which to write the full sky map</TD> 111</TR> 112<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>nest</TD> 113<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>char</TD> 114<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>IN</TD> 115<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250>flag specifing the <b>HEALPix</b> pixel ordering of the 116 map. 0: 'RING' and 1: 'NESTED'</TD> 117</TR> 118<TR><TD ALIGN="LEFT" VALIGN="TOP" WIDTH=150>coordsys</TD> 119<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>char</TD> 120<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=25>IN</TD> 121<TD ALIGN="LEFT" VALIGN="TOP" WIDTH=250>astronomical coordinate system of map 122 (must be either 'C', 'E' or 'G' standing respectively for Celestial=equatorial, 123 Ecliptic or Galactic)</TD> 124</TR> 125</TABLE> 126 127<P> 128<hr><H1>RELATED ROUTINES</H1><h3>This section lists the routines related to <b><FONT COLOR="#CC0000">write_healpix_map</FONT></b></h3> 129 130 <DL COMPACT><DT> 131<B>anafast</B> 132<DD>executable that reads a <b>HEALPix</b> map and analyses it. 133 <DT> 134<B>synfast</B> 135<DD>executable that generate full sky <b>HEALPix</b> maps 136 <DT> 137<B><A HREF="csub_read_healpix_map.htm#csub:read_healpix_map">read_healpix_map</A></B> 138<DD>subroutine to read <b>HEALPix</b> maps 139<DT> 140<B><A HREF="csub_get_fits_size.htm#csub:get_fits_size">get_fits_size</A></B> 141<DD>subroutine to determine the size of a map 142 </DL> 143 144<P> 145 146<P> 147 148 149<P> 150 151<DIV CLASS="navigation"><HR> 152<!--Navigation Panel--> 153<A 154 HREF="csub_vec2ang.htm"> 155<IMG WIDTH="63" HEIGHT="24" ALT="previous" SRC="prev.png"></A> 156<A 157 HREF="csub_HEALPix_C_subroutines.htm"> 158<IMG WIDTH="26" HEIGHT="24" ALT="up" SRC="up.png"></A> 159<A 160 HREF="csub_About_this_document.htm"> 161<IMG WIDTH="37" HEIGHT="24" ALT="next" SRC="next.png"></A> 162<A ID="tex2html54" 163 HREF="csub_Contents.htm"> 164<IMG WIDTH="65" HEIGHT="24" ALT="contents" SRC="contents.png"></A> 165<BR> 166<B> Previous:</B> <A 167 HREF="csub_vec2ang.htm">vec2ang</A> 168 169<B>Up:</B> <A 170 HREF="csub_HEALPix_C_subroutines.htm">HEALPix/C subroutines</A> 171 172<B> Next:</B> <A 173 HREF="csub_About_this_document.htm">About this document ...</A> 174<B> Top:</B> <a href="main.htm">Main Page</a></DIV> 175<!--End of Navigation Panel--> 176<ADDRESS> 177Version 3.50, 2018-12-10 178</ADDRESS> 179</BODY> 180</HTML> 181
