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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 Source File</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</h1><a href="ogr__spatialref_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/******************************************************************************</span><a name="l00002"></a>00002 <span class="comment"> * $Id: ogr_spatialref.h 10646 2007-01-18 02:38:10Z warmerdam $</span><a name="l00003"></a>00003 <span class="comment"> *</span><a name="l00004"></a>00004 <span class="comment"> * Project: OpenGIS Simple Features Reference Implementation</span><a name="l00005"></a>00005 <span class="comment"> * Purpose: Classes for manipulating spatial reference systems in a</span><a name="l00006"></a>00006 <span class="comment"> * platform non-specific manner.</span><a name="l00007"></a>00007 <span class="comment"> * Author: Frank Warmerdam, warmerdam@pobox.com</span><a name="l00008"></a>00008 <span class="comment"> *</span><a name="l00009"></a>00009 <span class="comment"> ******************************************************************************</span><a name="l00010"></a>00010 <span class="comment"> * Copyright (c) 1999, Les Technologies SoftMap Inc.</span><a name="l00011"></a>00011 <span class="comment"> *</span><a name="l00012"></a>00012 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span><a name="l00013"></a>00013 <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span><a name="l00014"></a>00014 <span class="comment"> * to deal in the Software without restriction, including without limitation</span><a name="l00015"></a>00015 <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span><a name="l00016"></a>00016 <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span><a name="l00017"></a>00017 <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span><a name="l00018"></a>00018 <span class="comment"> *</span><a name="l00019"></a>00019 <span class="comment"> * The above copyright notice and this permission notice shall be included</span><a name="l00020"></a>00020 <span class="comment"> * in all copies or substantial portions of the Software.</span><a name="l00021"></a>00021 <span class="comment"> *</span><a name="l00022"></a>00022 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span><a name="l00023"></a>00023 <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span><a name="l00024"></a>00024 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span><a name="l00025"></a>00025 <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span><a name="l00026"></a>00026 <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span><a name="l00027"></a>00027 <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span><a name="l00028"></a>00028 <span class="comment"> * DEALINGS IN THE SOFTWARE.</span><a name="l00029"></a>00029 <span class="comment"> ****************************************************************************/</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="preprocessor">#ifndef _OGR_SPATIALREF_H_INCLUDED</span><a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define _OGR_SPATIALREF_H_INCLUDED</span><a name="l00033"></a>00033 <span class="preprocessor"></span><a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="ogr__srs__api_8h.html">ogr_srs_api.h</a>"</span><a name="l00035"></a>00035 <a name="l00042"></a>00042 <span class="comment">/************************************************************************/</span><a name="l00043"></a>00043 <span class="comment">/* OGR_SRSNode */</span><a name="l00044"></a>00044 <span class="comment">/************************************************************************/</span><a name="l00045"></a>00045 <a name="l00059"></a><a class="code" href="classOGR__SRSNode.html">00059</a> <span class="keyword">class </span>CPL_DLL <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a><a name="l00060"></a>00060 {<a name="l00061"></a>00061 <span class="keywordtype">char</span> *pszValue;<a name="l00062"></a>00062 <a name="l00063"></a>00063 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> **papoChildNodes;<a name="l00064"></a>00064 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *poParent;<a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keywordtype">int</span> nChildren;<a name="l00067"></a>00067 <a name="l00068"></a>00068 <span class="keywordtype">void</span> ClearChildren();<a name="l00069"></a>00069 <span class="keywordtype">int</span> NeedsQuoting() <span class="keyword">const</span>;<a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keyword">public</span>:<a name="l00072"></a>00072 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * = NULL);<a name="l00073"></a>00073 ~<a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a>();<a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keywordtype">int</span> IsLeafNode()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nChildren == 0; }<a name="l00076"></a>00076 <a name="l00077"></a><a class="code" href="classOGR__SRSNode.html#1abd1be9379bd21567b6cc0eadc819f6">00077</a> <span class="keywordtype">int</span> GetChildCount()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nChildren; }<a name="l00078"></a>00078 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *GetChild( <span class="keywordtype">int</span> );<a name="l00079"></a>00079 <span class="keyword">const</span> <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *GetChild( <span class="keywordtype">int</span> ) <span class="keyword">const</span>;<a name="l00080"></a>00080 <a name="l00081"></a>00081 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *GetNode( <span class="keyword">const</span> <span class="keywordtype">char</span> * );<a name="l00082"></a>00082 <span class="keyword">const</span> <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *GetNode( <span class="keyword">const</span> <span class="keywordtype">char</span> * ) <span class="keyword">const</span>;<a name="l00083"></a>00083 <a name="l00084"></a>00084 <span class="keywordtype">void</span> InsertChild( <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *, <span class="keywordtype">int</span> );<a name="l00085"></a>00085 <span class="keywordtype">void</span> AddChild( <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> * );<a name="l00086"></a>00086 <span class="keywordtype">int</span> FindChild( <span class="keyword">const</span> <span class="keywordtype">char</span> * ) <span class="keyword">const</span>;<a name="l00087"></a>00087 <span class="keywordtype">void</span> DestroyChild( <span class="keywordtype">int</span> );<a name="l00088"></a>00088 <span class="keywordtype">void</span> StripNodes( <span class="keyword">const</span> <span class="keywordtype">char</span> * );<a name="l00089"></a>00089 <a name="l00090"></a><a class="code" href="classOGR__SRSNode.html#3a32e6047922b70c704bf3e11559b750">00090</a> <span class="keyword">const</span> <span class="keywordtype">char</span> *GetValue()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pszValue; }<a name="l00091"></a>00091 <span class="keywordtype">void</span> SetValue( <span class="keyword">const</span> <span class="keywordtype">char</span> * );<a name="l00092"></a>00092 <a name="l00093"></a>00093 <span class="keywordtype">void</span> MakeValueSafe();<a name="l00094"></a>00094 OGRErr FixupOrdering();<a name="l00095"></a>00095 <a name="l00096"></a>00096 <a class="code" href="classOGR__SRSNode.html">OGR_SRSNode</a> *Clone() <span class="keyword">const</span>;<a name="l00097"></a>00097 <a name="l00098"></a>00098 OGRErr importFromWkt( <span class="keywordtype">char</span> ** );<a name="l00099"></a>00099 OGRErr exportToWkt( <span class="keywordtype">char</span> ** ) <span class="keyword">const</span>;<a name="l00100"></a>00100 OGRErr exportToPrettyWkt( <span class="keywordtype">char</span> **, <span class="keywordtype">int</span> = 1) <span class="keyword">const</span>;<a name="l00101"></a>00101 <a name="l00102"></a>00102 OGRErr applyRemapper( <span class="keyword">const</span> <span class="keywordtype">char</span> *pszNode, <a name="l00103"></a>00103 <span class="keywordtype">char</span> **papszSrcValues, <a name="l00104"></a>00104 <span class="keywordtype">char</span> **papszDstValues, <a name="l00105"></a>00105 <span class="keywordtype">int</span> nStepSize = 1,<a name="l00106"></a>00106 <span class="keywordtype">int</span> bChildOfHit = FALSE );<a name="l00107"></a>00107 };<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="comment">/************************************************************************/</span><a name="l00110"></a>00110 <span class="comment">/* OGRSpatialReference */</span>⌨️ 快捷键说明
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