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00077 #ifndef GDAL_ALG_H_INCLUDED
00078 #define GDAL_ALG_H_INCLUDED
00079
00086 #include "gdal.h"
00087
00088 CPL_C_START
00089
00090 int CPL_DLL GDALComputeMedianCutPCT( GDALRasterBandH hRed,
00091 GDALRasterBandH hGreen,
00092 GDALRasterBandH hBlue,
00093 int (*pfnIncludePixel)(int,int,void*),
00094 int nColors,
00095 GDALColorTableH hColorTable,
00096 GDALProgressFunc pfnProgress,
00097 void * pProgressArg );
00098
00099 int CPL_DLL GDALDitherRGB2PCT( GDALRasterBandH hRed,
00100 GDALRasterBandH hGreen,
00101 GDALRasterBandH hBlue,
00102 GDALRasterBandH hTarget,
00103 GDALColorTableH hColorTable,
00104 GDALProgressFunc pfnProgress,
00105 void * pProgressArg );
00106
00107 int CPL_DLL GDALChecksumImage( GDALRasterBandH hBand,
00108 int nXOff, int nYOff, int nXSize, int nYSize );
00109
00110
00111
00112
00113
00114
00115 typedef int
00116 (*GDALTransformerFunc)( void *pTransformerArg,
00117 int bDstToSrc, int nPointCount,
00118 double *x, double *y, double *z, int *panSuccess );
00119
00120
00121
00122
00123
00124 void CPL_DLL *
00125 GDALCreateGenImgProjTransformer( GDALDatasetH hSrcDS, const char *pszSrcWKT,
00126 GDALDatasetH hDstDS, const char *pszDstWKT,
00127 int bGCPUseOK, double dfGCPErrorThreshold,
00128 int nOrder );
00129 void CPL_DLL GDALDestroyGenImgProjTransformer( void * );
00130 int CPL_DLL GDALGenImgProjTransform(
00131 void *pTransformArg, int bDstToSrc, int nPointCount,
00132 double *x, double *y, double *z, int *panSuccess );
00133
00134
00135 void CPL_DLL *
00136 GDALCreateReprojectionTransformer( const char *pszSrcWKT,
00137 const char *pszDstWKT );
00138 void CPL_DLL GDALDestroyReprojectionTransformer( void * );
00139 int CPL_DLL GDALReprojectionTransform(
00140 void *pTransformArg, int bDstToSrc, int nPointCount,
00141 double *x, double *y, double *z, int *panSuccess );
00142
00143
00144 void CPL_DLL *
00145 GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
00146 int nReqOrder, int bReversed );
00147 void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
00148 int CPL_DLL GDALGCPTransform(
00149 void *pTransformArg, int bDstToSrc, int nPointCount,
00150 double *x, double *y, double *z, int *panSuccess );
00151
00152
00153
00154 void CPL_DLL *
00155 GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
00156 double dfPixErrThreshold );
00157 void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
00158 int CPL_DLL GDALRPCTransform(
00159 void *pTransformArg, int bDstToSrc, int nPointCount,
00160 double *x, double *y, double *z, int *panSuccess );
00161
00162
00163 void CPL_DLL *
00164 GDALCreateApproxTransformer( GDALTransformerFunc pfnRawTransformer,
00165 void *pRawTransformerArg, double dfMaxError );
00166 void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
00167 int CPL_DLL GDALApproxTransform(
00168 void *pTransformArg, int bDstToSrc, int nPointCount,
00169 double *x, double *y, double *z, int *panSuccess );
00170
00171
00172
00173
00174 int CPL_DLL GDALSimpleImageWarp( GDALDatasetH hSrcDS,
00175 GDALDatasetH hDstDS,
00176 int nBandCount, int *panBandList,
00177 GDALTransformerFunc pfnTransform,
00178 void *pTransformArg,
00179 GDALProgressFunc pfnProgress,
00180 void *pProgressArg,
00181 char **papszWarpOptions );
00182
00183 CPLErr CPL_DLL
00184 GDALSuggestedWarpOutput( GDALDatasetH hSrcDS,
00185 GDALTransformerFunc pfnTransformer,
00186 void *pTransformArg,
00187 double *padfGeoTransformOut,
00188 int *pnPixels, int *pnLines );
00189
00190
00191
00192
00193
00194 typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
00195 double *padfX, double *padfY, void * );
00196
00197 typedef void *GDALContourGeneratorH;
00198
00199 GDALContourGeneratorH CPL_DLL
00200 GDAL_CG_Create( int nWidth, int nHeight,
00201 int bNoDataSet, double dfNoDataValue,
00202 double dfContourInterval, double dfContourBase,
00203 GDALContourWriter pfnWriter, void *pCBData );
00204 CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
00205 double *padfScanline );
00206 void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
00207
00208 typedef struct
00209 {
00210 void *hLayer;
00211
00212 double adfGeoTransform[6];
00213
00214 int nElevField;
00215 int nIDField;
00216 int nNextID;
00217 } OGRContourWriterInfo;
00218
00219 CPLErr OGRContourWriter( double, int, double *, double *, void *pInfo );
00220
00221 CPLErr GDALContourGenerate( GDALRasterBandH hBand,
00222 double dfContourInterval, double dfContourBase,
00223 int nFixedLevelCount, double *padfFixedLevels,
00224 int bUseNoData, double dfNoDataValue,
00225 void *hLayer, int iIDField, int iElevField,
00226 GDALProgressFunc pfnProgress, void *pProgressArg );
00227
00228 CPL_C_END
00229
00230 #endif