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<h1>gxfopen.h</h1><a href="gxfopen_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: gxfopen.h 10645 2007-01-18 02:22:39Z warmerdam $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Project: GXF Reader</span>
<a name="l00005"></a>00005 <span class="comment"> * Purpose: GXF-3 access function declarations.</span>
<a name="l00006"></a>00006 <span class="comment"> * Author: Frank Warmerdam, warmerdam@pobox.com</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> ******************************************************************************</span>
<a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 1998, Global Geomatics</span>
<a name="l00010"></a>00010 <span class="comment"> * Copyright (c) 1998, Frank Warmerdam</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 _GXFOPEN_H_INCLUDED</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define _GXFOPEN_H_INCLUDED</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00041"></a>00041 <span class="comment">/* Include standard portability stuff. */</span>
<a name="l00042"></a>00042 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "cpl_conv.h"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "cpl_string.h"</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 CPL_C_START
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">typedef</span> <span class="keywordtype">void</span> *GXFHandle;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 GXFHandle GXFOpen( <span class="keyword">const</span> <span class="keywordtype">char</span> * pszFilename );
<a name="l00051"></a>00051
<a name="l00052"></a>00052 CPLErr GXFGetRawInfo( GXFHandle hGXF, <span class="keywordtype">int</span> *pnXSize, <span class="keywordtype">int</span> *pnYSize,
<a name="l00053"></a>00053 <span class="keywordtype">int</span> *pnSense, <span class="keywordtype">double</span> * pdfZMin, <span class="keywordtype">double</span> * pdfZMax,
<a name="l00054"></a>00054 <span class="keywordtype">double</span> * pdfDummy );
<a name="l00055"></a>00055 CPLErr GXFGetInfo( GXFHandle hGXF, <span class="keywordtype">int</span> *pnXSize, <span class="keywordtype">int</span> *pnYSize );
<a name="l00056"></a>00056
<a name="l00057"></a>00057 CPLErr GXFGetRawScanline( GXFHandle, <span class="keywordtype">int</span> iScanline, <span class="keywordtype">double</span> * padfLineBuf );
<a name="l00058"></a>00058 CPLErr GXFGetScanline( GXFHandle, <span class="keywordtype">int</span> iScanline, <span class="keywordtype">double</span> * padfLineBuf );
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">char</span> **GXFGetMapProjection( GXFHandle );
<a name="l00061"></a>00061 <span class="keywordtype">char</span> **GXFGetMapDatumTransform( GXFHandle );
<a name="l00062"></a>00062 <span class="keywordtype">char</span> *<a class="code" href="gxfopen_8h.html#af50459818b3bee29ee9024bda9b37b88">GXFGetMapProjectionAsPROJ4</a>( GXFHandle );
<a name="l00063"></a>00063 <span class="keywordtype">char</span> *<a class="code" href="gxfopen_8h.html#af802a940e350a899eae47954870bb8e2">GXFGetMapProjectionAsOGCWKT</a>( GXFHandle );
<a name="l00064"></a>00064
<a name="l00065"></a>00065 CPLErr GXFGetRawPosition( GXFHandle, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *,
<a name="l00066"></a>00066 <span class="keywordtype">double</span> * );
<a name="l00067"></a>00067 CPLErr GXFGetPosition( GXFHandle, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *,
<a name="l00068"></a>00068 <span class="keywordtype">double</span> * );
<a name="l00069"></a>00069
<a name="l00070"></a>00070 CPLErr GXFGetPROJ4Position( GXFHandle, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *,
<a name="l00071"></a>00071 <span class="keywordtype">double</span> * );
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keywordtype">void</span> GXFClose( GXFHandle hGXF );
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="preprocessor">#define GXFS_LL_UP -1</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_LL_RIGHT 1</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_UL_RIGHT -2</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_UL_DOWN 2</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_UR_DOWN -3</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_UR_LEFT 3</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_LR_LEFT -4</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="preprocessor">#define GXFS_LR_UP 4</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span>
<a name="l00084"></a>00084 CPL_C_END
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00087"></a>00087 <span class="comment">/* This is consider to be a private structure. */</span>
<a name="l00088"></a>00088 <span class="comment">/* -------------------------------------------------------------------- */</span>
<a name="l00089"></a><a class="code" href="structGXFInfo__t.html">00089</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00090"></a>00090 FILE *fp;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">int</span> nRawXSize;
<a name="l00093"></a>00093 <span class="keywordtype">int</span> nRawYSize;
<a name="l00094"></a>00094 <span class="keywordtype">int</span> nSense; <span class="comment">/* GXFS_ codes */</span>
<a name="l00095"></a>00095 <span class="keywordtype">int</span> nGType; <span class="comment">/* 0 is uncompressed */</span>
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordtype">double</span> dfXPixelSize;
<a name="l00098"></a>00098 <span class="keywordtype">double</span> dfYPixelSize;
<a name="l00099"></a>00099 <span class="keywordtype">double</span> dfRotation;
<a name="l00100"></a>00100 <span class="keywordtype">double</span> dfXOrigin; <span class="comment">/* lower left corner */</span>
<a name="l00101"></a>00101 <span class="keywordtype">double</span> dfYOrigin; <span class="comment">/* lower left corner */</span>
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">char</span> szDummy[64];
<a name="l00104"></a>00104 <span class="keywordtype">double</span> dfSetDummyTo;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordtype">char</span> *pszTitle;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">double</span> dfTransformScale;
<a name="l00109"></a>00109 <span class="keywordtype">double</span> dfTransformOffset;
<a name="l00110"></a>00110 <span class="keywordtype">char</span> *pszTransformName;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordtype">char</span> **papszMapProjection;
<a name="l00113"></a>00113 <span class="keywordtype">char</span> **papszMapDatumTransform;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordtype">char</span> *pszUnitName;
<a name="l00116"></a>00116 <span class="keywordtype">double</span> dfUnitToMeter;
<a name="l00117"></a>00117
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordtype">double</span> dfZMaximum;
<a name="l00120"></a>00120 <span class="keywordtype">double</span> dfZMinimum;
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordtype">long</span> *panRawLineOffset;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 } <a class="code" href="structGXFInfo__t.html">GXFInfo_t</a>;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="preprocessor">#endif </span><span class="comment">/* ndef _GXFOPEN_H_INCLUDED */</span>
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