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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>OGR: ogr_spatialref.h File Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.1 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>ogr_spatialref.h File Reference</h1><code>#include "<a class="el" href="ogr__srs__api_8h-source.html">ogr_srs_api.h</a>"</code><br><p><a href="ogr__spatialref_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Classes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classOGR__SRSNode.html">OGR_SRSNode</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classOGRSpatialReference.html">OGRSpatialReference</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classOGRCoordinateTransformation.html">OGRCoordinateTransformation</a></td></tr><tr><td colspan="2"><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classOGRCoordinateTransformation.html">OGRCoordinateTransformation</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="ogr__spatialref_8h.html#ae11bd08e45cdb2e71e1d9c31f1e550f">OGRCreateCoordinateTransformation</a> (<a class="el" href="classOGRSpatialReference.html">OGRSpatialReference</a> *poSource, <a class="el" href="classOGRSpatialReference.html">OGRSpatialReference</a> *poTarget)</td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>Coordinate systems services. <hr><h2>Function Documentation</h2><a class="anchor" name="ae11bd08e45cdb2e71e1d9c31f1e550f"></a><!-- doxytag: member="ogr_spatialref.h::OGRCreateCoordinateTransformation" ref="ae11bd08e45cdb2e71e1d9c31f1e550f" args="(OGRSpatialReference *poSource, OGRSpatialReference *poTarget)" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classOGRCoordinateTransformation.html">OGRCoordinateTransformation</a>* OGRCreateCoordinateTransformation </td> <td>(</td> <td class="paramtype"><a class="el" href="classOGRSpatialReference.html">OGRSpatialReference</a> * </td> <td class="paramname"> <em>poSource</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="classOGRSpatialReference.html">OGRSpatialReference</a> * </td> <td class="paramname"> <em>poTarget</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td width="100%"></td> </tr> </table></div><div class="memdoc"><p>Create transformation object.<p>This is the same as the C function OCTNewCoordinateTransformation().<p>Input spatial reference system objects are assigned by copy (calling clone() method) and no ownership transfer occurs.<p>The delete operator, or OCTDestroyCoordinateTransformation() should be used to destroy transformation objects.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>poSource</em> </td><td>source spatial reference system. </td></tr> <tr><td valign="top"></td><td valign="top"><em>poTarget</em> </td><td>target spatial reference system. </td></tr> </table></dl><dl class="return" compact><dt><b>Returns:</b></dt><dd>NULL on failure or a ready to use transformation object. </dd></dl></div></div><p><hr>Generated for GDAL by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1.</body></html>⌨️ 快捷键说明
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