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00089 #ifndef GDAL_ALG_H_INCLUDED
00090 #define GDAL_ALG_H_INCLUDED
00091
00098 #include "gdal.h"
00099 #include "cpl_minixml.h"
00100
00101 CPL_C_START
00102
00103 int CPL_DLL GDALComputeMedianCutPCT( GDALRasterBandH hRed,
00104 GDALRasterBandH hGreen,
00105 GDALRasterBandH hBlue,
00106 int (*pfnIncludePixel)(int,int,void*),
00107 int nColors,
00108 GDALColorTableH hColorTable,
00109 GDALProgressFunc pfnProgress,
00110 void * pProgressArg );
00111
00112 int CPL_DLL GDALDitherRGB2PCT( GDALRasterBandH hRed,
00113 GDALRasterBandH hGreen,
00114 GDALRasterBandH hBlue,
00115 GDALRasterBandH hTarget,
00116 GDALColorTableH hColorTable,
00117 GDALProgressFunc pfnProgress,
00118 void * pProgressArg );
00119
00120 int CPL_DLL GDALChecksumImage( GDALRasterBandH hBand,
00121 int nXOff, int nYOff, int nXSize, int nYSize );
00122
00123
00124
00125
00126
00127
00128 typedef int
00129 (*GDALTransformerFunc)( void *pTransformerArg,
00130 int bDstToSrc, int nPointCount,
00131 double *x, double *y, double *z, int *panSuccess );
00132
00133 typedef struct {
00134 char szSignature[4];
00135 char *pszClassName;
00136 GDALTransformerFunc pfnTransform;
00137 void (*pfnCleanup)( void * );
00138 CPLXMLNode *(*pfnSerialize)( void * );
00139 } GDALTransformerInfo;
00140
00141
00142
00143
00144
00145
00146 void CPL_DLL *
00147 GDALCreateGenImgProjTransformer( GDALDatasetH hSrcDS, const char *pszSrcWKT,
00148 GDALDatasetH hDstDS, const char *pszDstWKT,
00149 int bGCPUseOK, double dfGCPErrorThreshold,
00150 int nOrder );
00151 void CPL_DLL GDALSetGenImgProjTransformerDstGeoTransform( void *,
00152 const double * );
00153 void CPL_DLL GDALDestroyGenImgProjTransformer( void * );
00154 int CPL_DLL GDALGenImgProjTransform(
00155 void *pTransformArg, int bDstToSrc, int nPointCount,
00156 double *x, double *y, double *z, int *panSuccess );
00157
00158
00159 void CPL_DLL *
00160 GDALCreateReprojectionTransformer( const char *pszSrcWKT,
00161 const char *pszDstWKT );
00162 void CPL_DLL GDALDestroyReprojectionTransformer( void * );
00163 int CPL_DLL GDALReprojectionTransform(
00164 void *pTransformArg, int bDstToSrc, int nPointCount,
00165 double *x, double *y, double *z, int *panSuccess );
00166
00167
00168 void CPL_DLL *
00169 GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
00170 int nReqOrder, int bReversed );
00171 void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
00172 int CPL_DLL GDALGCPTransform(
00173 void *pTransformArg, int bDstToSrc, int nPointCount,
00174 double *x, double *y, double *z, int *panSuccess );
00175
00176
00177
00178 void CPL_DLL *
00179 GDALCreateTPSTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
00180 int bReversed );
00181 void CPL_DLL GDALDestroyTPSTransformer( void *pTransformArg );
00182 int CPL_DLL GDALTPSTransform(
00183 void *pTransformArg, int bDstToSrc, int nPointCount,
00184 double *x, double *y, double *z, int *panSuccess );
00185
00186
00187
00188 void CPL_DLL *
00189 GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
00190 double dfPixErrThreshold );
00191 void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
00192 int CPL_DLL GDALRPCTransform(
00193 void *pTransformArg, int bDstToSrc, int nPointCount,
00194 double *x, double *y, double *z, int *panSuccess );
00195
00196
00197 void CPL_DLL *
00198 GDALCreateApproxTransformer( GDALTransformerFunc pfnRawTransformer,
00199 void *pRawTransformerArg, double dfMaxError );
00200 void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
00201 int CPL_DLL GDALApproxTransform(
00202 void *pTransformArg, int bDstToSrc, int nPointCount,
00203 double *x, double *y, double *z, int *panSuccess );
00204
00205
00206
00207
00208 int CPL_DLL GDALSimpleImageWarp( GDALDatasetH hSrcDS,
00209 GDALDatasetH hDstDS,
00210 int nBandCount, int *panBandList,
00211 GDALTransformerFunc pfnTransform,
00212 void *pTransformArg,
00213 GDALProgressFunc pfnProgress,
00214 void *pProgressArg,
00215 char **papszWarpOptions );
00216
00217 CPLErr CPL_DLL
00218 GDALSuggestedWarpOutput( GDALDatasetH hSrcDS,
00219 GDALTransformerFunc pfnTransformer,
00220 void *pTransformArg,
00221 double *padfGeoTransformOut,
00222 int *pnPixels, int *pnLines );
00223
00224 CPLXMLNode CPL_DLL *
00225 GDALSerializeTransformer( GDALTransformerFunc pfnFunc, void *pTransformArg );
00226 CPLErr CPL_DLL GDALDeserializeTransformer( CPLXMLNode *psTree,
00227 GDALTransformerFunc *ppfnFunc,
00228 void **ppTransformArg );
00229
00230
00231
00232
00233
00234
00235 typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
00236 double *padfX, double *padfY, void * );
00237
00238 typedef void *GDALContourGeneratorH;
00239
00240 GDALContourGeneratorH CPL_DLL
00241 GDAL_CG_Create( int nWidth, int nHeight,
00242 int bNoDataSet, double dfNoDataValue,
00243 double dfContourInterval, double dfContourBase,
00244 GDALContourWriter pfnWriter, void *pCBData );
00245 CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
00246 double *padfScanline );
00247 void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
00248
00249 typedef struct
00250 {
00251 void *hLayer;
00252
00253 double adfGeoTransform[6];
00254
00255 int nElevField;
00256 int nIDField;
00257 int nNextID;
00258 } OGRContourWriterInfo;
00259
00260 CPLErr CPL_DLL
00261 OGRContourWriter( double, int, double *, double *, void *pInfo );
00262
00263 CPLErr CPL_DLL
00264 GDALContourGenerate( GDALRasterBandH hBand,
00265 double dfContourInterval, double dfContourBase,
00266 int nFixedLevelCount, double *padfFixedLevels,
00267 int bUseNoData, double dfNoDataValue,
00268 void *hLayer, int iIDField, int iElevField,
00269 GDALProgressFunc pfnProgress, void *pProgressArg );
00270
00271 CPL_C_END
00272
00273 #endif