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<h1>gdalwarper.h</h1><a href="gdalwarper_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: gdalwarper.h 15291 2008-09-02 14:06:14Z dron $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Project: GDAL High Performance Warper</span>
<a name="l00005"></a>00005 <span class="comment"> * Purpose: Prototypes, and definitions for warping related work.</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) 2003, Frank Warmerdam</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span>
<a name="l00012"></a>00012 <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span>
<a name="l00013"></a>00013 <span class="comment"> * to deal in the Software without restriction, including without limitation</span>
<a name="l00014"></a>00014 <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span>
<a name="l00015"></a>00015 <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span>
<a name="l00016"></a>00016 <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * The above copyright notice and this permission notice shall be included</span>
<a name="l00019"></a>00019 <span class="comment"> * in all copies or substantial portions of the Software.</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span>
<a name="l00022"></a>00022 <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span>
<a name="l00023"></a>00023 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span>
<a name="l00024"></a>00024 <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span>
<a name="l00025"></a>00025 <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span>
<a name="l00026"></a>00026 <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span>
<a name="l00027"></a>00027 <span class="comment"> * DEALINGS IN THE SOFTWARE.</span>
<a name="l00028"></a>00028 <span class="comment"> ****************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#ifndef GDALWARPER_H_INCLUDED</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define GDALWARPER_H_INCLUDED</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="gdal__alg_8h.html">gdal_alg.h</a>"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="cpl__minixml_8h.html">cpl_minixml.h</a>"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 CPL_C_START
<a name="l00045"></a>00045
<a name="l00047"></a><a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">00047</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> { <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843a937eaf156c5d641b52239ea1d4a675a5">GRA_NearestNeighbour</a>=0, <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843afe37e3f7c4d459c31ea015e912c21660">GRA_Bilinear</a>=1, <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843a526c0e254fa19de54da506d3f8bb8aaa">GRA_Cubic</a>=2, <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843a20b26d42e175bf20e649fbd83ee3b72a">GRA_CubicSpline</a>=3, <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843a72882a579a46ffed02f2c255fda10465">GRA_Lanczos</a>=4
<a name="l00053"></a>00053 } <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a>;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">typedef</span> int
<a name="l00056"></a>00056 (*GDALMaskFunc)( <span class="keywordtype">void</span> *pMaskFuncArg,
<a name="l00057"></a>00057 <span class="keywordtype">int</span> nBandCount, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eType,
<a name="l00058"></a>00058 <span class="keywordtype">int</span> nXOff, <span class="keywordtype">int</span> nYOff,
<a name="l00059"></a>00059 <span class="keywordtype">int</span> nXSize, <span class="keywordtype">int</span> nYSize,
<a name="l00060"></a>00060 GByte **papabyImageData,
<a name="l00061"></a>00061 <span class="keywordtype">int</span> bMaskIsFloat, <span class="keywordtype">void</span> *pMask );
<a name="l00062"></a>00062
<a name="l00063"></a>00063 CPLErr CPL_DLL
<a name="l00064"></a>00064 GDALWarpNoDataMasker( <span class="keywordtype">void</span> *pMaskFuncArg, <span class="keywordtype">int</span> nBandCount, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eType,
<a name="l00065"></a>00065 <span class="keywordtype">int</span> nXOff, <span class="keywordtype">int</span> nYOff, <span class="keywordtype">int</span> nXSize, <span class="keywordtype">int</span> nYSize,
<a name="l00066"></a>00066 GByte **papabyImageData, <span class="keywordtype">int</span> bMaskIsFloat,
<a name="l00067"></a>00067 <span class="keywordtype">void</span> *pValidityMask );
<a name="l00068"></a>00068
<a name="l00069"></a>00069 CPLErr CPL_DLL
<a name="l00070"></a>00070 GDALWarpDstAlphaMasker( <span class="keywordtype">void</span> *pMaskFuncArg, <span class="keywordtype">int</span> nBandCount, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eType,
<a name="l00071"></a>00071 <span class="keywordtype">int</span> nXOff, <span class="keywordtype">int</span> nYOff, <span class="keywordtype">int</span> nXSize, <span class="keywordtype">int</span> nYSize,
<a name="l00072"></a>00072 GByte ** <span class="comment">/*ppImageData */</span>,
<a name="l00073"></a>00073 <span class="keywordtype">int</span> bMaskIsFloat, <span class="keywordtype">void</span> *pValidityMask );
<a name="l00074"></a>00074 CPLErr CPL_DLL
<a name="l00075"></a>00075 GDALWarpSrcAlphaMasker( <span class="keywordtype">void</span> *pMaskFuncArg, <span class="keywordtype">int</span> nBandCount, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eType,
<a name="l00076"></a>00076 <span class="keywordtype">int</span> nXOff, <span class="keywordtype">int</span> nYOff, <span class="keywordtype">int</span> nXSize, <span class="keywordtype">int</span> nYSize,
<a name="l00077"></a>00077 GByte ** <span class="comment">/*ppImageData */</span>,
<a name="l00078"></a>00078 <span class="keywordtype">int</span> bMaskIsFloat, <span class="keywordtype">void</span> *pValidityMask );
<a name="l00079"></a>00079
<a name="l00080"></a>00080 CPLErr CPL_DLL
<a name="l00081"></a>00081 GDALWarpCutlineMasker( <span class="keywordtype">void</span> *pMaskFuncArg, <span class="keywordtype">int</span> nBandCount, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eType,
<a name="l00082"></a>00082 <span class="keywordtype">int</span> nXOff, <span class="keywordtype">int</span> nYOff, <span class="keywordtype">int</span> nXSize, <span class="keywordtype">int</span> nYSize,
<a name="l00083"></a>00083 GByte ** <span class="comment">/* ppImageData */</span>,
<a name="l00084"></a>00084 <span class="keywordtype">int</span> bMaskIsFloat, <span class="keywordtype">void</span> *pValidityMask );
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">/************************************************************************/</span>
<a name="l00087"></a>00087 <span class="comment">/* GDALWarpOptions */</span>
<a name="l00088"></a>00088 <span class="comment">/************************************************************************/</span>
<a name="l00089"></a>00089
<a name="l00091"></a><a class="code" href="structGDALWarpOptions.html">00091</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00092"></a>00092
<a name="l00093"></a><a class="code" href="structGDALWarpOptions.html#a0ed77f9917bb96c7a9aabd73d4d06e08">00093</a> <span class="keywordtype">char</span> **papszWarpOptions;
<a name="l00094"></a>00094
<a name="l00096"></a><a class="code" href="structGDALWarpOptions.html#aa72d8bd37f896272cd979ce9dc9d65e9">00096</a> <span class="keywordtype">double</span> dfWarpMemoryLimit;
<a name="l00097"></a>00097
<a name="l00099"></a><a class="code" href="structGDALWarpOptions.html#aafc050f577024894b731f8849f3722be">00099</a> <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a> eResampleAlg;
<a name="l00100"></a>00100
<a name="l00103"></a><a class="code" href="structGDALWarpOptions.html#a3675f349217a18eb0d04e687375c189d">00103</a> <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eWorkingDataType;
<a name="l00104"></a>00104
<a name="l00106"></a><a class="code" href="structGDALWarpOptions.html#a65f68e1cf7ca641c5d0a93762d0416d5">00106</a> GDALDatasetH hSrcDS;
<a name="l00107"></a>00107
<a name="l00109"></a><a class="code" href="structGDALWarpOptions.html#a0550f97dd229ae14e7356588a9c74ffb">00109</a> GDALDatasetH hDstDS;
<a name="l00110"></a>00110
<a name="l00112"></a><a class="code" href="structGDALWarpOptions.html#a9b60196e623b269e8f4905bf9e1792e2">00112</a> <span class="keywordtype">int</span> nBandCount;
<a name="l00113"></a>00113
<a name="l00115"></a><a class="code" href="structGDALWarpOptions.html#a841df78e52087580fa6c0bd811714160">00115</a> <span class="keywordtype">int</span> *panSrcBands;
<a name="l00116"></a>00116
<a name="l00118"></a><a class="code" href="structGDALWarpOptions.html#a4997d9eff29876052adb47f7928497f7">00118</a> <span class="keywordtype">int</span> *panDstBands;
<a name="l00119"></a>00119
<a name="l00121"></a><a class="code" href="structGDALWarpOptions.html#a00fa2b32a0a951b93169b2800b33b0bd">00121</a> <span class="keywordtype">int</span> nSrcAlphaBand;
<a name="l00122"></a>00122
<a name="l00124"></a><a class="code" href="structGDALWarpOptions.html#a7490a81b4a3d539fd0c7a215eb66fff1">00124</a> <span class="keywordtype">int</span> nDstAlphaBand;
<a name="l00125"></a>00125
<a name="l00127"></a><a class="code" href="structGDALWarpOptions.html#a304bf40101dbea72b77067071919eb21">00127</a> <span class="keywordtype">double</span> *padfSrcNoDataReal;
<a name="l00130"></a><a class="code" href="structGDALWarpOptions.html#af5f94a7ed996636d19d9d8b8dd9107ea">00130</a> <span class="keywordtype">double</span> *padfSrcNoDataImag;
<a name="l00131"></a>00131
<a name="l00133"></a><a class="code" href="structGDALWarpOptions.html#af39f33665c4eb2b22b89372c6bae009a">00133</a> <span class="keywordtype">double</span> *padfDstNoDataReal;
<a name="l00136"></a><a class="code" href="structGDALWarpOptions.html#a1848d03a0deb1194a31e75a5b102a662">00136</a> <span class="keywordtype">double</span> *padfDstNoDataImag;
<a name="l00137"></a>00137
<a name="l00140"></a><a class="code" href="structGDALWarpOptions.html#a5cf9b6e00e148b360f659c4e2ac68c01">00140</a> GDALProgressFunc pfnProgress;
<a name="l00141"></a>00141
<a name="l00143"></a><a class="code" href="structGDALWarpOptions.html#a731c088d45c313af8375e9f78e848426">00143</a> <span class="keywordtype">void</span> *pProgressArg;
<a name="l00144"></a>00144
<a name="l00146"></a><a class="code" href="structGDALWarpOptions.html#a8899bacf99abdfd14c8bd590bd6079fa">00146</a> <a class="code" href="gdal__alg_8h.html#a7df61123fec15deb3da3acabce19e647">GDALTransformerFunc</a> pfnTransformer;
<a name="l00147"></a>00147
<a name="l00149"></a><a class="code" href="structGDALWarpOptions.html#a35647845a2629da876f379f82d58a2cd">00149</a> <span class="keywordtype">void</span> *pTransformerArg;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 GDALMaskFunc *papfnSrcPerBandValidityMaskFunc;
<a name="l00152"></a>00152 <span class="keywordtype">void</span> **papSrcPerBandValidityMaskFuncArg;
<a name="l00153"></a>00153
<a name="l00154"></a>00154 GDALMaskFunc pfnSrcValidityMaskFunc;
<a name="l00155"></a>00155 <span class="keywordtype">void</span> *pSrcValidityMaskFuncArg;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 GDALMaskFunc pfnSrcDensityMaskFunc;
<a name="l00158"></a>00158 <span class="keywordtype">void</span> *pSrcDensityMaskFuncArg;
<a name="l00159"></a>00159
<a name="l00160"></a>00160 GDALMaskFunc pfnDstDensityMaskFunc;
<a name="l00161"></a>00161 <span class="keywordtype">void</span> *pDstDensityMaskFuncArg;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 GDALMaskFunc pfnDstValidityMaskFunc;
<a name="l00164"></a>00164 <span class="keywordtype">void</span> *pDstValidityMaskFuncArg;
<a name="l00165"></a>00165
<a name="l00166"></a>00166 CPLErr (*pfnPreWarpChunkProcessor)( <span class="keywordtype">void</span> *pKern, <span class="keywordtype">void</span> *pArg );
<a name="l00167"></a>00167 <span class="keywordtype">void</span> *pPreWarpProcessorArg;
<a name="l00168"></a>00168
<a name="l00169"></a>00169 CPLErr (*pfnPostWarpChunkProcessor)( <span class="keywordtype">void</span> *pKern, <span class="keywordtype">void</span> *pArg);
<a name="l00170"></a>00170 <span class="keywordtype">void</span> *pPostWarpProcessorArg;
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordtype">void</span> *hCutline; <span class="comment">/* OGRPolygonH in src pixels */</span>
<a name="l00173"></a>00173 <span class="keywordtype">double</span> dfCutlineBlendDist; <span class="comment">/* distance in src pixels */</span>
<a name="l00174"></a>00174
<a name="l00175"></a>00175 } <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a>;
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> CPL_DLL * CPL_STDCALL GDALCreateWarpOptions(<span class="keywordtype">void</span>);
<a name="l00178"></a>00178 <span class="keywordtype">void</span> CPL_DLL CPL_STDCALL GDALDestroyWarpOptions( <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> * );
<a name="l00179"></a>00179 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> CPL_DLL * CPL_STDCALL
<a name="l00180"></a>00180 GDALCloneWarpOptions( <span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> * );
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <a class="code" href="structCPLXMLNode.html">CPLXMLNode</a> CPL_DLL * CPL_STDCALL
<a name="l00183"></a>00183 GDALSerializeWarpOptions( <span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> * );
<a name="l00184"></a>00184 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> CPL_DLL * CPL_STDCALL
<a name="l00185"></a>00185 GDALDeserializeWarpOptions( <a class="code" href="structCPLXMLNode.html">CPLXMLNode</a> * );
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="comment">/************************************************************************/</span>
<a name="l00188"></a>00188 <span class="comment">/* GDALReprojectImage() */</span>
<a name="l00189"></a>00189 <span class="comment">/************************************************************************/</span>
<a name="l00190"></a>00190
<a name="l00191"></a>00191 CPLErr CPL_DLL CPL_STDCALL
<a name="l00192"></a>00192 GDALReprojectImage( GDALDatasetH hSrcDS, <span class="keyword">const</span> <span class="keywordtype">char</span> *pszSrcWKT,
<a name="l00193"></a>00193 GDALDatasetH hDstDS, <span class="keyword">const</span> <span class="keywordtype">char</span> *pszDstWKT,
<a name="l00194"></a>00194 <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a> eResampleAlg, <span class="keywordtype">double</span> dfWarpMemoryLimit,
<a name="l00195"></a>00195 <span class="keywordtype">double</span> dfMaxError,
<a name="l00196"></a>00196 GDALProgressFunc pfnProgress, <span class="keywordtype">void</span> *pProgressArg,
<a name="l00197"></a>00197 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psOptions );
<a name="l00198"></a>00198
<a name="l00199"></a>00199 CPLErr CPL_DLL CPL_STDCALL
<a name="l00200"></a>00200 GDALCreateAndReprojectImage( GDALDatasetH hSrcDS, <span class="keyword">const</span> <span class="keywordtype">char</span> *pszSrcWKT,
<a name="l00201"></a>00201 <span class="keyword">const</span> <span class="keywordtype">char</span> *pszDstFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *pszDstWKT,
<a name="l00202"></a>00202 GDALDriverH hDstDriver, <span class="keywordtype">char</span> **papszCreateOptions,
<a name="l00203"></a>00203 <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a> eResampleAlg, <span class="keywordtype">double</span> dfWarpMemoryLimit,
<a name="l00204"></a>00204 <span class="keywordtype">double</span> dfMaxError,
<a name="l00205"></a>00205 GDALProgressFunc pfnProgress, <span class="keywordtype">void</span> *pProgressArg,
<a name="l00206"></a>00206 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psOptions );
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">/************************************************************************/</span>
<a name="l00209"></a>00209 <span class="comment">/* VRTWarpedDataset */</span>
<a name="l00210"></a>00210 <span class="comment">/************************************************************************/</span>
<a name="l00211"></a>00211
<a name="l00212"></a>00212 GDALDatasetH CPL_DLL CPL_STDCALL
<a name="l00213"></a>00213 <a class="code" href="gdalwarper_8h.html#ab5a8723d68786e7554f1ad4c0a6fa8d3">GDALAutoCreateWarpedVRT</a>( GDALDatasetH hSrcDS,
<a name="l00214"></a>00214 <span class="keyword">const</span> <span class="keywordtype">char</span> *pszSrcWKT, <span class="keyword">const</span> <span class="keywordtype">char</span> *pszDstWKT,
<a name="l00215"></a>00215 <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a> eResampleAlg,
<a name="l00216"></a>00216 <span class="keywordtype">double</span> dfMaxError, <span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psOptions );
<a name="l00217"></a>00217
<a name="l00218"></a>00218 GDALDatasetH CPL_DLL CPL_STDCALL
<a name="l00219"></a>00219 <a class="code" href="gdalwarper_8h.html#a4ad252bc084421b47428973a55316421">GDALCreateWarpedVRT</a>( GDALDatasetH hSrcDS,
<a name="l00220"></a>00220 <span class="keywordtype">int</span> nPixels, <span class="keywordtype">int</span> nLines, <span class="keywordtype">double</span> *padfGeoTransform,
<a name="l00221"></a>00221 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psOptions );
<a name="l00222"></a>00222
<a name="l00223"></a>00223 CPLErr CPL_DLL CPL_STDCALL
<a name="l00224"></a>00224 <a class="code" href="gdalwarper_8h.html#ac34ad2a7e8cd3c983998f4c6a57e3dd0">GDALInitializeWarpedVRT</a>( GDALDatasetH hDS,
<a name="l00225"></a>00225 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psWO );
<a name="l00226"></a>00226
<a name="l00227"></a>00227 CPL_C_END
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="preprocessor">#ifdef __cplusplus </span>
<a name="l00230"></a>00230 <span class="preprocessor"></span>
<a name="l00231"></a>00231 <span class="comment">/************************************************************************/</span>
<a name="l00232"></a>00232 <span class="comment">/* GDALWarpKernel */</span>
<a name="l00233"></a>00233 <span class="comment">/* */</span>
<a name="l00234"></a>00234 <span class="comment">/* This class represents the lowest level of abstraction. It */</span>
<a name="l00235"></a>00235 <span class="comment">/* is holds the imagery for one "chunk" of a warp, and the */</span>
<a name="l00236"></a>00236 <span class="comment">/* pre-prepared masks. All IO is done before and after it's */</span>
<a name="l00237"></a>00237 <span class="comment">/* operation. This class is not normally used by the */</span>
<a name="l00238"></a>00238 <span class="comment">/* application. */</span>
<a name="l00239"></a>00239 <span class="comment">/************************************************************************/</span>
<a name="l00240"></a>00240
<a name="l00241"></a><a class="code" href="classGDALWarpKernel.html">00241</a> <span class="keyword">class </span>CPL_DLL <a class="code" href="classGDALWarpKernel.html">GDALWarpKernel</a>
<a name="l00242"></a>00242 {
<a name="l00243"></a>00243 <span class="keyword">public</span>:
<a name="l00244"></a>00244 <span class="keywordtype">char</span> **papszWarpOptions;
<a name="l00245"></a>00245
<a name="l00246"></a><a class="code" href="classGDALWarpKernel.html#a235bf2537bae77434bd2eb9803e451b1">00246</a> <a class="code" href="gdalwarper_8h.html#a4775b029869df1f9270ad554c0633843">GDALResampleAlg</a> eResample;
<a name="l00247"></a><a class="code" href="classGDALWarpKernel.html#a46e9aa016494fcd80ef33d2e6881dee0">00247</a> <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eWorkingDataType;
<a name="l00248"></a><a class="code" href="classGDALWarpKernel.html#a36c4ce6aff78d00bcc1ced37aaff53f8">00248</a> <span class="keywordtype">int</span> nBands;
<a name="l00249"></a>00249
<a name="l00250"></a><a class="code" href="classGDALWarpKernel.html#af0879fc547b62266f0748387ac4064f5">00250</a> <span class="keywordtype">int</span> nSrcXSize;
<a name="l00251"></a><a class="code" href="classGDALWarpKernel.html#a0458bc023ec1a065df714422a33c805f">00251</a> <span class="keywordtype">int</span> nSrcYSize;
<a name="l00252"></a><a class="code" href="classGDALWarpKernel.html#afa3cc13ac7b215567b98222136378b5e">00252</a> GByte **papabySrcImage;
<a name="l00253"></a>00253
<a name="l00254"></a><a class="code" href="classGDALWarpKernel.html#a8df0b81d44a6c5c1e231e2ff1b5c40c6">00254</a> GUInt32 **papanBandSrcValid;
<a name="l00255"></a><a class="code" href="classGDALWarpKernel.html#a3159cc6bcf031b76a288f2c380936f84">00255</a> GUInt32 *panUnifiedSrcValid;
<a name="l00256"></a><a class="code" href="classGDALWarpKernel.html#aa208b9321e1ba4fba7afd7f83f3d929e">00256</a> <span class="keywordtype">float</span> *pafUnifiedSrcDensity;
<a name="l00257"></a>00257
<a name="l00258"></a><a class="code" href="classGDALWarpKernel.html#a12729bba83339095b7e42410d54b4017">00258</a> <span class="keywordtype">int</span> nDstXSize;
<a name="l00259"></a><a class="code" href="classGDALWarpKernel.html#a323e61928f42c71fb3079c3fe49c2ba3">00259</a> <span class="keywordtype">int</span> nDstYSize;
<a name="l00260"></a><a class="code" href="classGDALWarpKernel.html#ad8d4993befee8e0a631e08f9874fbafe">00260</a> GByte **papabyDstImage;
<a name="l00261"></a><a class="code" href="classGDALWarpKernel.html#afa3d378ced7582208bcd2383a99c0963">00261</a> GUInt32 *panDstValid;
<a name="l00262"></a><a class="code" href="classGDALWarpKernel.html#ab83a64a7241f0214339334b4221a9767">00262</a> <span class="keywordtype">float</span> *pafDstDensity;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordtype">double</span> dfXScale; <span class="comment">// Resampling scale, i.e.</span>
<a name="l00265"></a>00265 <span class="keywordtype">double</span> dfYScale; <span class="comment">// nDstSize/nSrcSize.</span>
<a name="l00266"></a>00266 <span class="keywordtype">double</span> dfXFilter; <span class="comment">// Size of filter kernel.</span>
<a name="l00267"></a>00267 <span class="keywordtype">double</span> dfYFilter;
<a name="l00268"></a>00268 <span class="keywordtype">int</span> nXRadius; <span class="comment">// Size of window to filter.</span>
<a name="l00269"></a>00269 <span class="keywordtype">int</span> nYRadius;
<a name="l00270"></a>00270 <span class="keywordtype">int</span> nFiltInitX; <span class="comment">// Filtering offset</span>
<a name="l00271"></a>00271 <span class="keywordtype">int</span> nFiltInitY;
<a name="l00272"></a>00272
<a name="l00273"></a><a class="code" href="classGDALWarpKernel.html#a4be67aaba3185f65e83f857a01d3aa51">00273</a> <span class="keywordtype">int</span> nSrcXOff;
<a name="l00274"></a><a class="code" href="classGDALWarpKernel.html#a71e237558357f0bd4dc4af0ad2e51e12">00274</a> <span class="keywordtype">int</span> nSrcYOff;
<a name="l00275"></a>00275
<a name="l00276"></a><a class="code" href="classGDALWarpKernel.html#a22e26f62aae281d23d13d02f10284d25">00276</a> <span class="keywordtype">int</span> nDstXOff;
<a name="l00277"></a><a class="code" href="classGDALWarpKernel.html#a8682f0ed0266db88cfb764d1fcf2a4a9">00277</a> <span class="keywordtype">int</span> nDstYOff;
<a name="l00278"></a>00278
<a name="l00279"></a><a class="code" href="classGDALWarpKernel.html#a2f101096fda92d7d642d354aabd6d5ba">00279</a> <a class="code" href="gdal__alg_8h.html#a7df61123fec15deb3da3acabce19e647">GDALTransformerFunc</a> pfnTransformer;
<a name="l00280"></a><a class="code" href="classGDALWarpKernel.html#af4352e0b3d97f9e44c7656dbb7a5ca3a">00280</a> <span class="keywordtype">void</span> *pTransformerArg;
<a name="l00281"></a>00281
<a name="l00282"></a><a class="code" href="classGDALWarpKernel.html#a8a87cffc6776d1d165c477740ad09520">00282</a> GDALProgressFunc pfnProgress;
<a name="l00283"></a><a class="code" href="classGDALWarpKernel.html#a923d33138d70373a265cec48292cbca1">00283</a> <span class="keywordtype">void</span> *pProgress;
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="keywordtype">double</span> dfProgressBase;
<a name="l00286"></a>00286 <span class="keywordtype">double</span> dfProgressScale;
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <a class="code" href="classGDALWarpKernel.html">GDALWarpKernel</a>();
<a name="l00289"></a>00289 <span class="keyword">virtual</span> ~<a class="code" href="classGDALWarpKernel.html">GDALWarpKernel</a>();
<a name="l00290"></a>00290
<a name="l00291"></a>00291 CPLErr Validate();
<a name="l00292"></a>00292 CPLErr PerformWarp();
<a name="l00293"></a>00293 };
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="comment">/************************************************************************/</span>
<a name="l00296"></a>00296 <span class="comment">/* GDALWarpOperation() */</span>
<a name="l00297"></a>00297 <span class="comment">/* */</span>
<a name="l00298"></a>00298 <span class="comment">/* This object is application created, or created by a higher */</span>
<a name="l00299"></a>00299 <span class="comment">/* level convenience function. It is responsible for */</span>
<a name="l00300"></a>00300 <span class="comment">/* subdividing the operation into chunks, loading and saving */</span>
<a name="l00301"></a>00301 <span class="comment">/* imagery, and establishing the varios validity and density */</span>
<a name="l00302"></a>00302 <span class="comment">/* masks. Actual resampling is done by the GDALWarpKernel. */</span>
<a name="l00303"></a>00303 <span class="comment">/************************************************************************/</span>
<a name="l00304"></a>00304
<a name="l00305"></a><a class="code" href="classGDALWarpOperation.html">00305</a> <span class="keyword">class </span>CPL_DLL <a class="code" href="classGDALWarpOperation.html">GDALWarpOperation</a> {
<a name="l00306"></a>00306 <span class="keyword">private</span>:
<a name="l00307"></a>00307 <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psOptions;
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="keywordtype">double</span> dfProgressBase;
<a name="l00310"></a>00310 <span class="keywordtype">double</span> dfProgressScale;
<a name="l00311"></a>00311
<a name="l00312"></a>00312 <span class="keywordtype">void</span> WipeOptions();
<a name="l00313"></a>00313 <span class="keywordtype">int</span> ValidateOptions();
<a name="l00314"></a>00314
<a name="l00315"></a>00315 CPLErr ComputeSourceWindow( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00316"></a>00316 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize,
<a name="l00317"></a>00317 <span class="keywordtype">int</span> *pnSrcXOff, <span class="keywordtype">int</span> *pnSrcYOff,
<a name="l00318"></a>00318 <span class="keywordtype">int</span> *pnSrcXSize, <span class="keywordtype">int</span> *pnSrcYSize );
<a name="l00319"></a>00319
<a name="l00320"></a>00320 CPLErr CreateKernelMask( <a class="code" href="classGDALWarpKernel.html">GDALWarpKernel</a> *, <span class="keywordtype">int</span> iBand,
<a name="l00321"></a>00321 <span class="keyword">const</span> <span class="keywordtype">char</span> *pszType );
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keywordtype">void</span> *hThread1Mutex;
<a name="l00324"></a>00324 <span class="keywordtype">void</span> *hThread2Mutex;
<a name="l00325"></a>00325 <span class="keywordtype">void</span> *hIOMutex;
<a name="l00326"></a>00326 <span class="keywordtype">void</span> *hWarpMutex;
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="keywordtype">int</span> nChunkListCount;
<a name="l00329"></a>00329 <span class="keywordtype">int</span> nChunkListMax;
<a name="l00330"></a>00330 <span class="keywordtype">int</span> *panChunkList;
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="keywordtype">int</span> bReportTimings;
<a name="l00333"></a>00333 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nLastTimeReported;
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="keywordtype">void</span> WipeChunkList();
<a name="l00336"></a>00336 CPLErr CollectChunkList( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00337"></a>00337 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize );
<a name="l00338"></a>00338 <span class="keywordtype">void</span> ReportTiming( <span class="keyword">const</span> <span class="keywordtype">char</span> * );
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keyword">public</span>:
<a name="l00341"></a>00341 <a class="code" href="classGDALWarpOperation.html">GDALWarpOperation</a>();
<a name="l00342"></a>00342 <span class="keyword">virtual</span> ~<a class="code" href="classGDALWarpOperation.html">GDALWarpOperation</a>();
<a name="l00343"></a>00343
<a name="l00344"></a>00344 CPLErr Initialize( <span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *psNewOptions );
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a> *GetOptions();
<a name="l00347"></a>00347
<a name="l00348"></a>00348 CPLErr ChunkAndWarpImage( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00349"></a>00349 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize );
<a name="l00350"></a>00350 CPLErr ChunkAndWarpMulti( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00351"></a>00351 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize );
<a name="l00352"></a>00352 CPLErr WarpRegion( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00353"></a>00353 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize,
<a name="l00354"></a>00354 <span class="keywordtype">int</span> nSrcXOff=0, <span class="keywordtype">int</span> nSrcYOff=0,
<a name="l00355"></a>00355 <span class="keywordtype">int</span> nSrcXSize=0, <span class="keywordtype">int</span> nSrcYSize=0 );
<a name="l00356"></a>00356
<a name="l00357"></a>00357 CPLErr WarpRegionToBuffer( <span class="keywordtype">int</span> nDstXOff, <span class="keywordtype">int</span> nDstYOff,
<a name="l00358"></a>00358 <span class="keywordtype">int</span> nDstXSize, <span class="keywordtype">int</span> nDstYSize,
<a name="l00359"></a>00359 <span class="keywordtype">void</span> *pDataBuf,
<a name="l00360"></a>00360 <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a> eBufDataType,
<a name="l00361"></a>00361 <span class="keywordtype">int</span> nSrcXOff=0, <span class="keywordtype">int</span> nSrcYOff=0,
<a name="l00362"></a>00362 <span class="keywordtype">int</span> nSrcXSize=0, <span class="keywordtype">int</span> nSrcYSize=0 );
<a name="l00363"></a>00363 };
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="preprocessor">#endif </span><span class="comment">/* def __cplusplus */</span>
<a name="l00366"></a>00366
<a name="l00367"></a>00367 CPL_C_START
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="keyword">typedef</span> <span class="keywordtype">void</span> * GDALWarpOperationH;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 GDALWarpOperationH CPL_DLL <a class="code" href="gdalwarper_8h.html#a1ac4d69c20f1271218a4d94518abc41a">GDALCreateWarpOperation</a>(<span class="keyword">const</span> <a class="code" href="structGDALWarpOptions.html">GDALWarpOptions</a>* );
<a name="l00372"></a>00372 <span class="keywordtype">void</span> CPL_DLL <a class="code" href="gdalwarper_8h.html#a18699ff234cc3a4def48ebd9e1b77be8">GDALDestroyWarpOperation</a>( GDALWarpOperationH );
<a name="l00373"></a>00373 CPLErr CPL_DLL <a class="code" href="gdalwarper_8h.html#a993e615a980058f28c02a202bd4b96a2">GDALChunkAndWarpImage</a>( GDALWarpOperationH, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> );
<a name="l00374"></a>00374 CPLErr CPL_DLL <a class="code" href="gdalwarper_8h.html#ad7b7988437b322405da2ac368c0bd5b1">GDALChunkAndWarpMulti</a>( GDALWarpOperationH, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> );
<a name="l00375"></a>00375 CPLErr CPL_DLL <a class="code" href="gdalwarper_8h.html#a0a34228245a0204253b1123f0cafa304">GDALWarpRegion</a>( GDALWarpOperationH,
<a name="l00376"></a>00376 <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> );
<a name="l00377"></a>00377 CPLErr CPL_DLL <a class="code" href="gdalwarper_8h.html#a6b47954494dca86760285e283abc81c8">GDALWarpRegionToBuffer</a>( GDALWarpOperationH, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>,
<a name="l00378"></a>00378 <span class="keywordtype">void</span> *, <a class="code" href="gdal_8h.html#a22e22ce0a55036a96f652765793fb7a4">GDALDataType</a>,
<a name="l00379"></a>00379 <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">int</span> );
<a name="l00380"></a>00380
<a name="l00381"></a>00381 CPL_C_END
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="preprocessor">#endif </span><span class="comment">/* ndef GDAL_ALG_H_INCLUDED */</span>
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