- Main Page
- Classes
- Files
- Related Pages

- File List
- File Members

# gdal_alg.h

Go to the documentation of this file.

    00001 /******************************************************************************
    00002  * $Id: gdal_alg.h 15399 2008-09-21 22:40:54Z warmerdam $
    00003  *
    00004  * Project:  GDAL Image Processing Algorithms
    00005  * Purpose:  Prototypes, and definitions for various GDAL based algorithms.
    00006  * Author:   Frank Warmerdam, warmerdam@pobox.com
    00007  *
    00008  ******************************************************************************
    00009  * Copyright (c) 2001, Frank Warmerdam
    00010  *
    00011  * Permission is hereby granted, free of charge, to any person obtaining a
    00012  * copy of this software and associated documentation files (the "Software"),
    00013  * to deal in the Software without restriction, including without limitation
    00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    00015  * and/or sell copies of the Software, and to permit persons to whom the
    00016  * Software is furnished to do so, subject to the following conditions:
    00017  *
    00018  * The above copyright notice and this permission notice shall be included
    00019  * in all copies or substantial portions of the Software.
    00020  *
    00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
    00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
    00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00027  * DEALINGS IN THE SOFTWARE.
    00028  ****************************************************************************/
    00029
    00030 #ifndef GDAL_ALG_H_INCLUDED
    00031 #define GDAL_ALG_H_INCLUDED
    00032
    00039 #include "gdal.h"
    00040 #include "cpl_minixml.h"
    00041 #include "ogr_api.h"
    00042
    00043 CPL_C_START
    00044
    00045 int CPL_DLL CPL_STDCALL GDALComputeMedianCutPCT( GDALRasterBandH hRed,
    00046                              GDALRasterBandH hGreen,
    00047                              GDALRasterBandH hBlue,
    00048                              int (*pfnIncludePixel)(int,int,void*),
    00049                              int nColors,
    00050                              GDALColorTableH hColorTable,
    00051                              GDALProgressFunc pfnProgress,
    00052                              void * pProgressArg );
    00053
    00054 int CPL_DLL CPL_STDCALL GDALDitherRGB2PCT( GDALRasterBandH hRed,
    00055                        GDALRasterBandH hGreen,
    00056                        GDALRasterBandH hBlue,
    00057                        GDALRasterBandH hTarget,
    00058                        GDALColorTableH hColorTable,
    00059                        GDALProgressFunc pfnProgress,
    00060                        void * pProgressArg );
    00061
    00062 int CPL_DLL CPL_STDCALL GDALChecksumImage( GDALRasterBandH hBand,
    00063                                int nXOff, int nYOff, int nXSize, int nYSize );
    00064
    00065 CPLErr CPL_DLL CPL_STDCALL
    00066 GDALComputeProximity( GDALRasterBandH hSrcBand,
    00067                       GDALRasterBandH hProximityBand,
    00068                       char **papszOptions,
    00069                       GDALProgressFunc pfnProgress,
    00070                       void * pProgressArg );
    00071
    00072 CPLErr CPL_DLL CPL_STDCALL
    00073 GDALFillNodata( GDALRasterBandH hTargetBand,
    00074                 GDALRasterBandH hMaskBand,
    00075                 double dfMaxSearchDist,
    00076                 int bConicSearch,
    00077                 int nSmoothingIterations,
    00078                 char **papszOptions,
    00079                 GDALProgressFunc pfnProgress,
    00080                 void * pProgressArg );
    00081
    00082 CPLErr CPL_DLL CPL_STDCALL
    00083 GDALPolygonize( GDALRasterBandH hSrcBand,
    00084                 GDALRasterBandH hMaskBand,
    00085                 OGRLayerH hOutLayer, int iPixValField,
    00086                 char **papszOptions,
    00087                 GDALProgressFunc pfnProgress,
    00088                 void * pProgressArg );
    00089
    00090 CPLErr CPL_DLL CPL_STDCALL
    00091 GDALSieveFilter( GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand,
    00092                  GDALRasterBandH hDstBand,
    00093                  int nSizeThreshold, int nConnectedness,
    00094                  char **papszOptions,
    00095                  GDALProgressFunc pfnProgress,
    00096                  void * pProgressArg );
    00097
    00098 /*
    00099  * Warp Related.
    00100  */
    00101
    00102 typedef int
    00103 (*GDALTransformerFunc)( void *pTransformerArg,
    00104                         int bDstToSrc, int nPointCount,
    00105                         double *x, double *y, double *z, int *panSuccess );
    00106
    00107 typedef struct {
    00108     char szSignature[4];
    00109     const char *pszClassName;
    00110     GDALTransformerFunc pfnTransform;
    00111     void (*pfnCleanup)( void * );
    00112     CPLXMLNode *(*pfnSerialize)( void * );
    00113 } GDALTransformerInfo;
    00114
    00115 void CPL_DLL GDALDestroyTransformer( void *pTransformerArg );
    00116 int  CPL_DLL GDALUseTransformer( void *pTranformerArg,
    00117                                  int bDstToSrc, int nPointCount,
    00118                                  double *x, double *y, double *z,
    00119                                  int *panSuccess );
    00120
    00121 /* High level transformer for going from image coordinates on one file
    00122    to image coordiantes on another, potentially doing reprojection,
    00123    utilizing GCPs or using the geotransform. */
    00124
    00125 void CPL_DLL *
    00126 GDALCreateGenImgProjTransformer( GDALDatasetH hSrcDS, const char *pszSrcWKT,
    00127                                  GDALDatasetH hDstDS, const char *pszDstWKT,
    00128                                  int bGCPUseOK, double dfGCPErrorThreshold,
    00129                                  int nOrder );
    00130 void CPL_DLL *
    00131 GDALCreateGenImgProjTransformer2( GDALDatasetH hSrcDS, GDALDatasetH hDstDS,
    00132                                   char **papszOptions );
    00133 void CPL_DLL GDALSetGenImgProjTransformerDstGeoTransform( void *,
    00134                                                           const double * );
    00135 void CPL_DLL GDALDestroyGenImgProjTransformer( void * );
    00136 int CPL_DLL GDALGenImgProjTransform(
    00137     void *pTransformArg, int bDstToSrc, int nPointCount,
    00138     double *x, double *y, double *z, int *panSuccess );
    00139
    00140 /* Geo to geo reprojection transformer. */
    00141 void CPL_DLL *
    00142 GDALCreateReprojectionTransformer( const char *pszSrcWKT,
    00143                                    const char *pszDstWKT );
    00144 void CPL_DLL GDALDestroyReprojectionTransformer( void * );
    00145 int CPL_DLL GDALReprojectionTransform(
    00146     void *pTransformArg, int bDstToSrc, int nPointCount,
    00147     double *x, double *y, double *z, int *panSuccess );
    00148
    00149 /* GCP based transformer ... forward is to georef coordinates */
    00150 void CPL_DLL *
    00151 GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
    00152                           int nReqOrder, int bReversed );
    00153 void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
    00154 int CPL_DLL GDALGCPTransform(
    00155     void *pTransformArg, int bDstToSrc, int nPointCount,
    00156     double *x, double *y, double *z, int *panSuccess );
    00157
    00158 /* Thin Plate Spine transformer ... forward is to georef coordinates */
    00159
    00160 void CPL_DLL *
    00161 GDALCreateTPSTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
    00162                           int bReversed );
    00163 void CPL_DLL GDALDestroyTPSTransformer( void *pTransformArg );
    00164 int CPL_DLL GDALTPSTransform(
    00165     void *pTransformArg, int bDstToSrc, int nPointCount,
    00166     double *x, double *y, double *z, int *panSuccess );
    00167
    00168 /* RPC based transformer ... src is pixel/line/elev, dst is long/lat/elev */
    00169
    00170 void CPL_DLL *
    00171 GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
    00172                           double dfPixErrThreshold,
    00173                           char **papszOptions );
    00174 void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
    00175 int CPL_DLL GDALRPCTransform(
    00176     void *pTransformArg, int bDstToSrc, int nPointCount,
    00177     double *x, double *y, double *z, int *panSuccess );
    00178
    00179 /* Geolocation transformer */
    00180
    00181 void CPL_DLL *
    00182 GDALCreateGeoLocTransformer( GDALDatasetH hBaseDS,
    00183                              char **papszGeolocationInfo,
    00184                              int bReversed );
    00185 void CPL_DLL GDALDestroyGeoLocTransformer( void *pTransformArg );
    00186 int CPL_DLL GDALGeoLocTransform(
    00187     void *pTransformArg, int bDstToSrc, int nPointCount,
    00188     double *x, double *y, double *z, int *panSuccess );
    00189
    00190 /* Approximate transformer */
    00191 void CPL_DLL *
    00192 GDALCreateApproxTransformer( GDALTransformerFunc pfnRawTransformer,
    00193                              void *pRawTransformerArg, double dfMaxError );
    00194 void CPL_DLL GDALApproxTransformerOwnsSubtransformer( void *pCBData,
    00195                                                       int bOwnFlag );
    00196 void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
    00197 int  CPL_DLL GDALApproxTransform(
    00198     void *pTransformArg, int bDstToSrc, int nPointCount,
    00199     double *x, double *y, double *z, int *panSuccess );
    00200
    00201
    00202
    00203
    00204 int CPL_DLL CPL_STDCALL
    00205 GDALSimpleImageWarp( GDALDatasetH hSrcDS,
    00206                      GDALDatasetH hDstDS,
    00207                      int nBandCount, int *panBandList,
    00208                      GDALTransformerFunc pfnTransform,
    00209                      void *pTransformArg,
    00210                      GDALProgressFunc pfnProgress,
    00211                      void *pProgressArg,
    00212                      char **papszWarpOptions );
    00213
    00214 CPLErr CPL_DLL CPL_STDCALL
    00215 GDALSuggestedWarpOutput( GDALDatasetH hSrcDS,
    00216                          GDALTransformerFunc pfnTransformer,
    00217                          void *pTransformArg,
    00218                          double *padfGeoTransformOut,
    00219                          int *pnPixels, int *pnLines );
    00220 CPLErr CPL_DLL CPL_STDCALL
    00221 GDALSuggestedWarpOutput2( GDALDatasetH hSrcDS,
    00222                           GDALTransformerFunc pfnTransformer,
    00223                           void *pTransformArg,
    00224                           double *padfGeoTransformOut,
    00225                           int *pnPixels, int *pnLines,
    00226                           double *padfExtents,
    00227                           int nOptions );
    00228
    00229 CPLXMLNode CPL_DLL *
    00230 GDALSerializeTransformer( GDALTransformerFunc pfnFunc, void *pTransformArg );
    00231 CPLErr CPL_DLL GDALDeserializeTransformer( CPLXMLNode *psTree,
    00232                                            GDALTransformerFunc *ppfnFunc,
    00233                                            void **ppTransformArg );
    00234
    00235
    00236 /* -------------------------------------------------------------------- */
    00237 /*      Contour Line Generation                                         */
    00238 /* -------------------------------------------------------------------- */
    00239
    00240 typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
    00241                                      double *padfX, double *padfY, void * );
    00242
    00243 typedef void *GDALContourGeneratorH;
    00244
    00245 GDALContourGeneratorH CPL_DLL
    00246 GDAL_CG_Create( int nWidth, int nHeight,
    00247                 int bNoDataSet, double dfNoDataValue,
    00248                 double dfContourInterval, double dfContourBase,
    00249                 GDALContourWriter pfnWriter, void *pCBData );
    00250 CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
    00251                                  double *padfScanline );
    00252 void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
    00253
    00254 typedef struct
    00255 {
    00256     void   *hLayer;
    00257
    00258     double adfGeoTransform[6];
    00259
    00260     int    nElevField;
    00261     int    nIDField;
    00262     int    nNextID;
    00263 } OGRContourWriterInfo;
    00264
    00265 CPLErr CPL_DLL
    00266 OGRContourWriter( double, int, double *, double *, void *pInfo );
    00267
    00268 CPLErr CPL_DLL
    00269 GDALContourGenerate( GDALRasterBandH hBand,
    00270                             double dfContourInterval, double dfContourBase,
    00271                             int nFixedLevelCount, double *padfFixedLevels,
    00272                             int bUseNoData, double dfNoDataValue,
    00273                             void *hLayer, int iIDField, int iElevField,
    00274                             GDALProgressFunc pfnProgress, void *pProgressArg );
    00275
    00276 /************************************************************************/
    00277 /*      Rasterizer API - geometries burned into GDAL raster.            */
    00278 /************************************************************************/
    00279
    00280 CPLErr CPL_DLL
    00281 GDALRasterizeGeometries( GDALDatasetH hDS,
    00282                          int nBandCount, int *panBandList,
    00283                          int nGeomCount, OGRGeometryH *pahGeometries,
    00284                          GDALTransformerFunc pfnTransformer,
    00285                          void *pTransformArg,
    00286                          double *padfGeomBurnValue,
    00287                          char **papszOptions,
    00288                          GDALProgressFunc pfnProgress,
    00289                          void * pProgressArg );
    00290 CPLErr CPL_DLL
    00291 GDALRasterizeLayers( GDALDatasetH hDS,
    00292                      int nBandCount, int *panBandList,
    00293                      int nLayerCount, OGRLayerH *pahLayers,
    00294                      GDALTransformerFunc pfnTransformer,
    00295                      void *pTransformArg,
    00296                      double *padfLayerBurnValues,
    00297                      char **papszOptions,
    00298                      GDALProgressFunc pfnProgress,
    00299                      void *pProgressArg );
    00300
    00301 /************************************************************************/
    00302 /*  Gridding interface.                                                 */
    00303 /************************************************************************/
    00304
    00306 typedef enum {    GGA_InverseDistanceToAPower = 1,                 GGA_MovingAverage = 2,               GGA_NearestNeighbor = 3,    GGA_MetricMinimum = 4,    GGA_MetricMaximum = 5,       GGA_MetricRange = 6
    00313 } GDALGridAlgorithm;
    00314
    00316 typedef struct
    00317 {
    00319     double  dfPower;
    00321     double  dfSmoothing;
    00323     double  dfAnisotropyRatio;
    00325     double  dfAnisotropyAngle;
    00327     double  dfRadius1;
    00329     double  dfRadius2;
    00334     double  dfAngle;
    00341     GUInt32 nMaxPoints;
    00347     GUInt32 nMinPoints;
    00349     double  dfNoDataValue;
    00350 } GDALGridInverseDistanceToAPowerOptions;
    00351
    00353 typedef struct
    00354 {
    00356     double  dfRadius1;
    00358     double  dfRadius2;
    00363     double  dfAngle;
    00369     GUInt32 nMinPoints;
    00371     double  dfNoDataValue;
    00372 } GDALGridMovingAverageOptions;
    00373
    00375 typedef struct
    00376 {
    00378     double  dfRadius1;
    00380     double  dfRadius2;
    00385     double  dfAngle;
    00387     double  dfNoDataValue;
    00388 } GDALGridNearestNeighborOptions;
    00389
    00391 typedef struct
    00392 {
    00394     double  dfRadius1;
    00396     double  dfRadius2;
    00401     double  dfAngle;
    00407     GUInt32 nMinPoints;
    00409     double  dfNoDataValue;
    00410 } GDALGridDataMetricsOptions;
    00411
    00412 CPLErr CPL_DLL
    00413 GDALGridCreate( GDALGridAlgorithm, const void *, GUInt32,
    00414                 const double *, const double *, const double *,
    00415                 double, double, double, double,
    00416                 GUInt32, GUInt32, GDALDataType, void *,
    00417                 GDALProgressFunc, void *);
    00418
    00419 CPL_C_END
    00420
    00421 #endif /* ndef GDAL_ALG_H_INCLUDED */

Generated for GDAL by 1.5.1.