GDAL
gdal_alg.h
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1 /******************************************************************************
2  * $Id: gdal_alg.h 39653 2017-07-24 19:24:22Z rouault $
3  *
4  * Project: GDAL Image Processing Algorithms
5  * Purpose: Prototypes, and definitions for various GDAL based algorithms.
6  * Author: Frank Warmerdam, warmerdam@pobox.com
7  *
8  ******************************************************************************
9  * Copyright (c) 2001, Frank Warmerdam
10  * Copyright (c) 2008-2012, Even Rouault <even dot rouault at mines-paris dot org>
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice shall be included
20  * in all copies or substantial portions of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  ****************************************************************************/
30 
31 #ifndef GDAL_ALG_H_INCLUDED
32 #define GDAL_ALG_H_INCLUDED
33 
40 #ifndef DOXYGEN_SKIP
41 #include "gdal.h"
42 #include "cpl_minixml.h"
43 #include "ogr_api.h"
44 #endif
45 
47 
48 int CPL_DLL CPL_STDCALL GDALComputeMedianCutPCT( GDALRasterBandH hRed,
49  GDALRasterBandH hGreen,
50  GDALRasterBandH hBlue,
51  int (*pfnIncludePixel)(int,int,void*),
52  int nColors,
53  GDALColorTableH hColorTable,
54  GDALProgressFunc pfnProgress,
55  void * pProgressArg );
56 
57 int CPL_DLL CPL_STDCALL GDALDitherRGB2PCT( GDALRasterBandH hRed,
58  GDALRasterBandH hGreen,
59  GDALRasterBandH hBlue,
60  GDALRasterBandH hTarget,
61  GDALColorTableH hColorTable,
62  GDALProgressFunc pfnProgress,
63  void * pProgressArg );
64 
65 int CPL_DLL CPL_STDCALL GDALChecksumImage( GDALRasterBandH hBand,
66  int nXOff, int nYOff, int nXSize, int nYSize );
67 
68 CPLErr CPL_DLL CPL_STDCALL
70  GDALRasterBandH hProximityBand,
71  char **papszOptions,
72  GDALProgressFunc pfnProgress,
73  void * pProgressArg );
74 
75 CPLErr CPL_DLL CPL_STDCALL
76 GDALFillNodata( GDALRasterBandH hTargetBand,
77  GDALRasterBandH hMaskBand,
78  double dfMaxSearchDist,
79  int bDeprecatedOption,
80  int nSmoothingIterations,
81  char **papszOptions,
82  GDALProgressFunc pfnProgress,
83  void * pProgressArg );
84 
85 CPLErr CPL_DLL CPL_STDCALL
87  GDALRasterBandH hMaskBand,
88  OGRLayerH hOutLayer, int iPixValField,
89  char **papszOptions,
90  GDALProgressFunc pfnProgress,
91  void * pProgressArg );
92 
93 CPLErr CPL_DLL CPL_STDCALL
95  GDALRasterBandH hMaskBand,
96  OGRLayerH hOutLayer, int iPixValField,
97  char **papszOptions,
98  GDALProgressFunc pfnProgress,
99  void * pProgressArg );
100 
101 CPLErr CPL_DLL CPL_STDCALL
102 GDALSieveFilter( GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand,
103  GDALRasterBandH hDstBand,
104  int nSizeThreshold, int nConnectedness,
105  char **papszOptions,
106  GDALProgressFunc pfnProgress,
107  void * pProgressArg );
108 
109 /*
110  * Warp Related.
111  */
112 
113 typedef int
114 (*GDALTransformerFunc)( void *pTransformerArg,
115  int bDstToSrc, int nPointCount,
116  double *x, double *y, double *z, int *panSuccess );
117 
119 #define GDAL_GTI2_SIGNATURE "GTI2"
120 
121 typedef struct {
122  GByte abySignature[4];
123  const char *pszClassName;
124  GDALTransformerFunc pfnTransform;
125  void (*pfnCleanup)( void * pTransformerArg );
126  CPLXMLNode *(*pfnSerialize)( void * pTransformerArg );
127  void* (*pfnCreateSimilar)( void* pTransformerArg, double dfSrcRatioX, double dfSrcRatioY );
128 } GDALTransformerInfo;
132 void CPL_DLL GDALDestroyTransformer( void *pTransformerArg );
133 int CPL_DLL GDALUseTransformer( void *pTransformerArg,
134  int bDstToSrc, int nPointCount,
135  double *x, double *y, double *z,
136  int *panSuccess );
137 void* GDALCreateSimilarTransformer( void* psTransformerArg, double dfSrcRatioX, double dfSrcRatioY );
140 /* High level transformer for going from image coordinates on one file
141  to image coordinates on another, potentially doing reprojection,
142  utilizing GCPs or using the geotransform. */
143 
144 void CPL_DLL *
145 GDALCreateGenImgProjTransformer( GDALDatasetH hSrcDS, const char *pszSrcWKT,
146  GDALDatasetH hDstDS, const char *pszDstWKT,
147  int bGCPUseOK, double dfGCPErrorThreshold,
148  int nOrder );
149 void CPL_DLL *
151  char **papszOptions );
152 void CPL_DLL *
153 GDALCreateGenImgProjTransformer3( const char *pszSrcWKT,
154  const double *padfSrcGeoTransform,
155  const char *pszDstWKT,
156  const double *padfDstGeoTransform );
158  const double * );
159 void CPL_DLL GDALDestroyGenImgProjTransformer( void * );
160 int CPL_DLL GDALGenImgProjTransform(
161  void *pTransformArg, int bDstToSrc, int nPointCount,
162  double *x, double *y, double *z, int *panSuccess );
163 
164 void GDALSetTransformerDstGeoTransform( void *, const double * );
165 void GDALGetTransformerDstGeoTransform( void*, double* );
166 
167 /* Geo to geo reprojection transformer. */
168 void CPL_DLL *
169 GDALCreateReprojectionTransformer( const char *pszSrcWKT,
170  const char *pszDstWKT );
171 void CPL_DLL GDALDestroyReprojectionTransformer( void * );
172 int CPL_DLL GDALReprojectionTransform(
173  void *pTransformArg, int bDstToSrc, int nPointCount,
174  double *x, double *y, double *z, int *panSuccess );
175 
176 /* GCP based transformer ... forward is to georef coordinates */
177 void CPL_DLL *
178 GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
179  int nReqOrder, int bReversed );
180 
181 /* GCP based transformer with refinement of the GCPs ... forward is to georef coordinates */
182 void CPL_DLL *
183 GDALCreateGCPRefineTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
184  int nReqOrder, int bReversed, double tolerance, int minimumGcps);
185 
186 void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
187 int CPL_DLL GDALGCPTransform(
188  void *pTransformArg, int bDstToSrc, int nPointCount,
189  double *x, double *y, double *z, int *panSuccess );
190 
191 /* Thin Plate Spine transformer ... forward is to georef coordinates */
192 
193 void CPL_DLL *
194 GDALCreateTPSTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
195  int bReversed );
196 void CPL_DLL GDALDestroyTPSTransformer( void *pTransformArg );
197 int CPL_DLL GDALTPSTransform(
198  void *pTransformArg, int bDstToSrc, int nPointCount,
199  double *x, double *y, double *z, int *panSuccess );
200 
202 char CPL_DLL ** RPCInfoToMD( GDALRPCInfo *psRPCInfo );
205 /* RPC based transformer ... src is pixel/line/elev, dst is long/lat/elev */
206 
207 void CPL_DLL *
208 GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
209  double dfPixErrThreshold,
210  char **papszOptions );
211 void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
212 int CPL_DLL GDALRPCTransform(
213  void *pTransformArg, int bDstToSrc, int nPointCount,
214  double *x, double *y, double *z, int *panSuccess );
215 
216 /* Geolocation transformer */
217 
218 void CPL_DLL *
220  char **papszGeolocationInfo,
221  int bReversed );
222 void CPL_DLL GDALDestroyGeoLocTransformer( void *pTransformArg );
223 int CPL_DLL GDALGeoLocTransform(
224  void *pTransformArg, int bDstToSrc, int nPointCount,
225  double *x, double *y, double *z, int *panSuccess );
226 
227 /* Approximate transformer */
228 void CPL_DLL *
230  void *pRawTransformerArg, double dfMaxError );
231 void CPL_DLL GDALApproxTransformerOwnsSubtransformer( void *pCBData,
232  int bOwnFlag );
233 void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
234 int CPL_DLL GDALApproxTransform(
235  void *pTransformArg, int bDstToSrc, int nPointCount,
236  double *x, double *y, double *z, int *panSuccess );
237 
238 int CPL_DLL CPL_STDCALL
240  GDALDatasetH hDstDS,
241  int nBandCount, int *panBandList,
242  GDALTransformerFunc pfnTransform,
243  void *pTransformArg,
244  GDALProgressFunc pfnProgress,
245  void *pProgressArg,
246  char **papszWarpOptions );
247 
248 CPLErr CPL_DLL CPL_STDCALL
250  GDALTransformerFunc pfnTransformer,
251  void *pTransformArg,
252  double *padfGeoTransformOut,
253  int *pnPixels, int *pnLines );
254 CPLErr CPL_DLL CPL_STDCALL
256  GDALTransformerFunc pfnTransformer,
257  void *pTransformArg,
258  double *padfGeoTransformOut,
259  int *pnPixels, int *pnLines,
260  double *padfExtents,
261  int nOptions );
262 
264 CPLXMLNode CPL_DLL *
265 GDALSerializeTransformer( GDALTransformerFunc pfnFunc, void *pTransformArg );
266 CPLErr CPL_DLL GDALDeserializeTransformer( CPLXMLNode *psTree,
267  GDALTransformerFunc *ppfnFunc,
268  void **ppTransformArg );
271 CPLErr CPL_DLL
273  GDALRasterBandH hYBand,
274  GDALRasterBandH hZBand,
275  GDALTransformerFunc pfnTransformer,
276  void *pTransformArg,
277  GDALProgressFunc pfnProgress,
278  void *pProgressArg,
279  char **papszOptions );
280 
281 /* -------------------------------------------------------------------- */
282 /* Contour Line Generation */
283 /* -------------------------------------------------------------------- */
284 
286 typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
287  double *padfX, double *padfY, void * );
288 
290 typedef void *GDALContourGeneratorH;
291 
292 GDALContourGeneratorH CPL_DLL
293 GDAL_CG_Create( int nWidth, int nHeight,
294  int bNoDataSet, double dfNoDataValue,
295  double dfContourInterval, double dfContourBase,
296  GDALContourWriter pfnWriter, void *pCBData );
297 CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
298  double *padfScanline );
299 void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
300 
302 typedef struct
303 {
304  void *hLayer;
305 
306  double adfGeoTransform[6];
307 
308  int nElevField;
309  int nIDField;
310  int nNextID;
311 } OGRContourWriterInfo;
312 
313 CPLErr CPL_DLL
314 OGRContourWriter( double, int, double *, double *, void *pInfo );
317 CPLErr CPL_DLL
319  double dfContourInterval, double dfContourBase,
320  int nFixedLevelCount, double *padfFixedLevels,
321  int bUseNoData, double dfNoDataValue,
322  void *hLayer, int iIDField, int iElevField,
323  GDALProgressFunc pfnProgress, void *pProgressArg );
324 
325 /************************************************************************/
326 /* Rasterizer API - geometries burned into GDAL raster. */
327 /************************************************************************/
328 
329 CPLErr CPL_DLL
331  int nBandCount, int *panBandList,
332  int nGeomCount, OGRGeometryH *pahGeometries,
333  GDALTransformerFunc pfnTransformer,
334  void *pTransformArg,
335  double *padfGeomBurnValue,
336  char **papszOptions,
337  GDALProgressFunc pfnProgress,
338  void * pProgressArg );
339 CPLErr CPL_DLL
341  int nBandCount, int *panBandList,
342  int nLayerCount, OGRLayerH *pahLayers,
343  GDALTransformerFunc pfnTransformer,
344  void *pTransformArg,
345  double *padfLayerBurnValues,
346  char **papszOptions,
347  GDALProgressFunc pfnProgress,
348  void *pProgressArg );
349 
350 CPLErr CPL_DLL
351 GDALRasterizeLayersBuf( void *pData, int nBufXSize, int nBufYSize,
352  GDALDataType eBufType, int nPixelSpace, int nLineSpace,
353  int nLayerCount, OGRLayerH *pahLayers,
354  const char *pszDstProjection,
355  double *padfDstGeoTransform,
356  GDALTransformerFunc pfnTransformer,
357  void *pTransformArg, double dfBurnValue,
358  char **papszOptions, GDALProgressFunc pfnProgress,
359  void *pProgressArg );
360 
361 /************************************************************************/
362 /* Gridding interface. */
363 /************************************************************************/
364 
382 
384 typedef struct
385 {
387  double dfPower;
389  double dfSmoothing;
395  double dfRadius1;
397  double dfRadius2;
402  double dfAngle;
419 
421 typedef struct
422 {
424  double dfPower;
426  double dfRadius;
428  double dfSmoothing;
429 
446 
448 typedef struct
449 {
451  double dfRadius1;
453  double dfRadius2;
458  double dfAngle;
468 
470 typedef struct
471 {
473  double dfRadius1;
475  double dfRadius2;
480  double dfAngle;
484 
486 typedef struct
487 {
489  double dfRadius1;
491  double dfRadius2;
496  double dfAngle;
506 
508 typedef struct
509 {
515  double dfRadius;
519 
520 CPLErr CPL_DLL
522  const double *, const double *, const double *,
523  double, double, double, double,
524  GUInt32, GUInt32, GDALDataType, void *,
525  GDALProgressFunc, void *);
526 
529 
530 GDALGridContext CPL_DLL*
531 GDALGridContextCreate( GDALGridAlgorithm eAlgorithm, const void *poOptions,
532  GUInt32 nPoints,
533  const double *padfX, const double *padfY, const double *padfZ,
534  int bCallerWillKeepPointArraysAlive );
535 
536 void CPL_DLL GDALGridContextFree(GDALGridContext* psContext);
537 
539  double dfXMin, double dfXMax, double dfYMin, double dfYMax,
540  GUInt32 nXSize, GUInt32 nYSize, GDALDataType eType, void *pData,
541  GDALProgressFunc pfnProgress, void *pProgressArg );
542 
543 GDAL_GCP CPL_DLL *
545  GDALDatasetH hSecondImage,
546  char **papszOptions,
547  int *pnGCPCount );
548 
549 /************************************************************************/
550 /* Delaunay triangulation interface. */
551 /************************************************************************/
552 
554 typedef struct
555 {
556  int anVertexIdx[3];
557  int anNeighborIdx[3];
558  /* anNeighborIdx[k] is the triangle to the opposite side */
559  /* of the opposite segment of anVertexIdx[k] */
560 } GDALTriFacet;
561 
569 typedef struct
570 {
571  double dfMul1X;
572  double dfMul1Y;
573  double dfMul2X;
574  double dfMul2Y;
575  double dfCstX;
576  double dfCstY;
578 
580 typedef struct
581 {
582  int nFacets;
586 
587 int CPL_DLL GDALHasTriangulation(void);
588 
590  const double* padfX,
591  const double* padfY);
593  GDALTriangulation* psDT,
594  const double* padfX,
595  const double* padfY);
597  const GDALTriangulation* psDT,
598  int nFacetIdx,
599  double dfX,
600  double dfY,
601  double* pdfL1,
602  double* pdfL2,
603  double* pdfL3);
605  double dfX,
606  double dfY,
607  int* panOutputFacetIdx );
609  int nFacetIdx,
610  double dfX,
611  double dfY,
612  int* panOutputFacetIdx );
613 void CPL_DLL GDALTriangulationFree(GDALTriangulation* psDT);
614 
616 // GDAL internal use only
617 void GDALTriangulationTerminate(void);
621  const char* pszProj4Geoidgrids,
622  int* pbError );
623 
625  GDALDatasetH hGridDataset,
626  int bInverse,
627  double dfSrcUnitToMeter,
628  double dfDstUnitToMeter,
629  const char* const* papszOptions );
630 
631 CPL_C_END
632 
633 #endif /* ndef GDAL_ALG_H_INCLUDED */
double dfAngle
Definition: gdal_alg.h:496
void * OGRLayerH
Opaque type for a layer (OGRLayer)
Definition: ogr_api.h:497
Definition: gdal_alg.h:373
CPLErr GDALSuggestedWarpOutput(GDALDatasetH hSrcDS, GDALTransformerFunc pfnTransformer, void *pTransformArg, double *padfGeoTransformOut, int *pnPixels, int *pnLines)
Suggest output file size.
Definition: gdaltransformer.cpp:177
int GDALGenImgProjTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Perform general image reprojection transformation.
Definition: gdaltransformer.cpp:1906
void GDALDestroyReprojectionTransformer(void *)
Destroy reprojection transformation.
Definition: gdaltransformer.cpp:2390
GDALDataType
Definition: gdal.h:57
Document node structure.
Definition: cpl_minixml.h:66
double dfNoDataValue
Definition: gdal_alg.h:444
Definitions for CPL mini XML Parser/Serializer.
int GDALGeoLocTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Use GeoLocation transformer.
Definition: gdalgeoloc.cpp:849
CPLErr GDALRasterizeGeometries(GDALDatasetH hDS, int nBandCount, int *panBandList, int nGeomCount, OGRGeometryH *pahGeometries, GDALTransformerFunc pfnTransformer, void *pTransformArg, double *padfGeomBurnValue, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Burn geometries into raster.
Definition: gdalrasterize.cpp:630
Data metrics method control options.
Definition: gdal_alg.h:486
CPLErr GDALSuggestedWarpOutput2(GDALDatasetH hSrcDS, GDALTransformerFunc pfnTransformer, void *pTransformArg, double *padfGeoTransformOut, int *pnPixels, int *pnLines, double *padfExtents, int nOptions)
Suggest output file size.
Definition: gdaltransformer.cpp:354
GDALGridContext * GDALGridContextCreate(GDALGridAlgorithm eAlgorithm, const void *poOptions, GUInt32 nPoints, const double *padfX, const double *padfY, const double *padfZ, int bCallerWillKeepPointArraysAlive)
Creates a context to do regular gridding from the scattered data.
Definition: gdalgrid.cpp:1732
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:332
CPLErr GDALGridCreate(GDALGridAlgorithm, const void *, GUInt32, const double *, const double *, const double *, double, double, double, double, GUInt32, GUInt32, GDALDataType, void *, GDALProgressFunc, void *)
Create regular grid from the scattered data.
Definition: gdalgrid.cpp:2421
GUInt32 nMinPoints
Definition: gdal_alg.h:464
double dfCstY
dfCstY
Definition: gdal_alg.h:576
void GDALDestroyApproxTransformer(void *pApproxArg)
Cleanup approximate transformer.
Definition: gdaltransformer.cpp:2727
Definition: gdal_alg.h:367
double dfNoDataValue
Definition: gdal_alg.h:482
CPLErr GDALRasterizeLayersBuf(void *pData, int nBufXSize, int nBufYSize, GDALDataType eBufType, int nPixelSpace, int nLineSpace, int nLayerCount, OGRLayerH *pahLayers, const char *pszDstProjection, double *padfDstGeoTransform, GDALTransformerFunc pfnTransformer, void *pTransformArg, double dfBurnValue, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Burn geometries from the specified list of layer into raster.
Definition: gdalrasterize.cpp:1443
CPLErr(* GDALContourWriter)(double dfLevel, int nPoints, double *padfX, double *padfY, void *)
Contour writer callback type.
Definition: gdal_alg.h:286
CPLErr GDALTransformGeolocations(GDALRasterBandH hXBand, GDALRasterBandH hYBand, GDALRasterBandH hZBand, GDALTransformerFunc pfnTransformer, void *pTransformArg, GDALProgressFunc pfnProgress, void *pProgressArg, char **papszOptions)
Transform locations held in bands.
Definition: gdaltransformgeolocs.cpp:68
Inverse distance to a power, with nearest neighbour search, control options.
Definition: gdal_alg.h:421
double dfRadius1
Definition: gdal_alg.h:473
int GDALDitherRGB2PCT(GDALRasterBandH hRed, GDALRasterBandH hGreen, GDALRasterBandH hBlue, GDALRasterBandH hTarget, GDALColorTableH hColorTable, GDALProgressFunc pfnProgress, void *pProgressArg)
24bit to 8bit conversion with dithering.
Definition: gdaldither.cpp:141
unsigned int GUInt32
Unsigned int32 type.
Definition: cpl_port.h:199
GDALGridAlgorithm
Gridding Algorithms.
Definition: gdal_alg.h:366
CPLErr GDALFPolygonize(GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand, OGRLayerH hOutLayer, int iPixValField, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Create polygon coverage from raster data.
Definition: polygonize.cpp:905
double dfCstX
dfCstX
Definition: gdal_alg.h:575
GUInt32 nMinPoints
Definition: gdal_alg.h:502
Definition: gdal_alg.h:372
void * GDALDatasetH
Opaque type used for the C bindings of the C++ GDALDataset class.
Definition: gdal.h:249
double dfAngle
Definition: gdal_alg.h:402
void GDALSetTransformerDstGeoTransform(void *, const double *)
Set ApproxTransformer or GenImgProj output geotransform.
Definition: gdaltransformer.cpp:3665
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:207
double dfMul2Y
dfMul2Y
Definition: gdal_alg.h:574
Strucutre to store Rational Polynomial Coefficients / Rigorous Projection Model.
Definition: gdal.h:1001
double dfNoDataValue
Definition: gdal_alg.h:417
void GDALDestroyRPCTransformer(void *pTransformArg)
Destroy RPC tranformer.
Definition: gdal_rpc.cpp:995
CPLErr GDALComputeProximity(GDALRasterBandH hSrcBand, GDALRasterBandH hProximityBand, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Compute the proximity of all pixels in the image to a set of pixels in the source image...
Definition: gdalproximity.cpp:112
void * GDALRasterBandH
Opaque type used for the C bindings of the C++ GDALRasterBand class.
Definition: gdal.h:252
GDALTriBarycentricCoefficients * pasFacetCoefficients
arra of nFacets barycentric coefficients
Definition: gdal_alg.h:584
GUInt32 nMinPoints
Definition: gdal_alg.h:415
CPLErr GDALRasterizeLayers(GDALDatasetH hDS, int nBandCount, int *panBandList, int nLayerCount, OGRLayerH *pahLayers, GDALTransformerFunc pfnTransformer, void *pTransformArg, double *padfLayerBurnValues, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Burn geometries from the specified list of layers into raster.
Definition: gdalrasterize.cpp:1048
double dfRadius2
Definition: gdal_alg.h:453
Moving average method control options.
Definition: gdal_alg.h:448
double dfRadius1
Definition: gdal_alg.h:395
double dfAnisotropyRatio
Definition: gdal_alg.h:391
GDALTriFacet * pasFacets
array of nFacets facets
Definition: gdal_alg.h:583
CPLErr GDAL_CG_FeedLine(GDALContourGeneratorH hCG, double *padfScanline)
Feed a line to the contour generator.
Definition: contour.cpp:218
double dfRadius1
Definition: gdal_alg.h:489
Triangle barycentric coefficients.
Definition: gdal_alg.h:569
void GDALDestroyGenImgProjTransformer(void *)
GenImgProjTransformer deallocator.
Definition: gdaltransformer.cpp:1868
int GDALHasTriangulation(void)
Returns if GDAL is built with Delaunay triangulation support.
Definition: delaunay.c:95
void * GDALCreateGCPTransformer(int nGCPCount, const GDAL_GCP *pasGCPList, int nReqOrder, int bReversed)
Create GCP based polynomial transformer.
Definition: gdal_crs.c:305
void GDALGetTransformerDstGeoTransform(void *, double *)
Get ApproxTransformer or GenImgProj output geotransform.
Definition: gdaltransformer.cpp:3689
void GDALSetGenImgProjTransformerDstGeoTransform(void *, const double *)
Set GenImgProj output geotransform.
Definition: gdaltransformer.cpp:1837
GDALContourGeneratorH GDAL_CG_Create(int nWidth, int nHeight, int bNoDataSet, double dfNoDataValue, double dfContourInterval, double dfContourBase, GDALContourWriter pfnWriter, void *pCBData)
Create contour generator.
Definition: contour.cpp:194
void * GDALCreateGeoLocTransformer(GDALDatasetH hBaseDS, char **papszGeolocationInfo, int bReversed)
Create GeoLocation transformer.
Definition: gdalgeoloc.cpp:648
void GDALDestroyGeoLocTransformer(void *pTransformArg)
Destroy GeoLocation transformer.
Definition: gdalgeoloc.cpp:818
Nearest neighbor method control options.
Definition: gdal_alg.h:470
void GDALDestroyGCPTransformer(void *pTransformArg)
Destroy GCP transformer.
Definition: gdal_crs.c:342
Definition: gdal_alg.h:376
GDAL_GCP * GDALComputeMatchingPoints(GDALDatasetH hFirstImage, GDALDatasetH hSecondImage, char **papszOptions, int *pnGCPCount)
GDALComputeMatchingPoints.
Definition: gdalmatching.cpp:188
Public (C callable) GDAL entry points.
double dfRadius
Definition: gdal_alg.h:515
double dfRadius2
Definition: gdal_alg.h:475
Linear method control options.
Definition: gdal_alg.h:508
CPLErr GDALSieveFilter(GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand, GDALRasterBandH hDstBand, int nSizeThreshold, int nConnectedness, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Removes small raster polygons.
Definition: gdalsievefilter.cpp:200
Definition: gdal_alg.h:370
int GDALTriangulationComputeBarycentricCoefficients(GDALTriangulation *psDT, const double *padfX, const double *padfY)
Computes barycentric coefficients for each triangles of the triangulation.
Definition: delaunay.c:301
Definition: gdal_alg.h:374
double dfNoDataValue
Definition: gdal_alg.h:517
void * GDALCreateRPCTransformer(GDALRPCInfo *psRPC, int bReversed, double dfPixErrThreshold, char **papszOptions)
Create an RPC based transformer.
Definition: gdal_rpc.cpp:761
GDALTriangulation * GDALTriangulationCreateDelaunay(int nPoints, const double *padfX, const double *padfY)
Computes a Delaunay triangulation of the passed points.
Definition: delaunay.c:118
double dfAnisotropyAngle
Definition: gdal_alg.h:393
void * GDALContourGeneratorH
Contour generator opaque type.
Definition: gdal_alg.h:290
int GDALReprojectionTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Perform reprojection transformation.
Definition: gdaltransformer.cpp:2421
double dfRadius1
Definition: gdal_alg.h:451
Definition: gdal_alg.h:368
int GDALTriangulationComputeBarycentricCoordinates(const GDALTriangulation *psDT, int nFacetIdx, double dfX, double dfY, double *pdfL1, double *pdfL2, double *pdfL3)
Computes the barycentric coordinates of a point.
Definition: delaunay.c:365
double dfMul2X
dfMul2X
Definition: gdal_alg.h:573
double dfAngle
Definition: gdal_alg.h:480
int GDALGCPTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Transforms point based on GCP derived polynomial model.
Definition: gdal_crs.c:386
void * GDALCreateApproxTransformer(GDALTransformerFunc pfnRawTransformer, void *pRawTransformerArg, double dfMaxError)
Create an approximating transformer.
Definition: gdaltransformer.cpp:2663
CPLErr GDALContourGenerate(GDALRasterBandH hBand, double dfContourInterval, double dfContourBase, int nFixedLevelCount, double *padfFixedLevels, int bUseNoData, double dfNoDataValue, void *hLayer, int iIDField, int iElevField, GDALProgressFunc pfnProgress, void *pProgressArg)
Create vector contours from raster DEM.
Definition: contour.cpp:1633
void GDALGridContextFree(GDALGridContext *psContext)
Free a context used created by GDALGridContextCreate()
Definition: gdalgrid.cpp:2128
int GDALSimpleImageWarp(GDALDatasetH hSrcDS, GDALDatasetH hDstDS, int nBandCount, int *panBandList, GDALTransformerFunc pfnTransform, void *pTransformArg, GDALProgressFunc pfnProgress, void *pProgressArg, char **papszWarpOptions)
Perform simple image warp.
Definition: gdalsimplewarp.cpp:231
int(* GDALTransformerFunc)(void *pTransformerArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Definition: gdal_alg.h:114
int GDALRPCTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
RPC transform.
Definition: gdal_rpc.cpp:1774
double dfNoDataValue
Definition: gdal_alg.h:466
void * OGRGeometryH
Opaque type for a geometyr.
Definition: ogr_api.h:56
double dfRadius2
Definition: gdal_alg.h:397
int nFacets
number of facets
Definition: gdal_alg.h:582
Definition: gdal_alg.h:371
void * GDALCreateGenImgProjTransformer2(GDALDatasetH hSrcDS, GDALDatasetH hDstDS, char **papszOptions)
Create image to image transformer.
Definition: gdaltransformer.cpp:1241
int GDALTriangulationFindFacetBruteForce(const GDALTriangulation *psDT, double dfX, double dfY, int *panOutputFacetIdx)
Returns the index of the triangle that contains the point by iterating over all triangles.
Definition: delaunay.c:413
GDALDatasetH GDALApplyVerticalShiftGrid(GDALDatasetH hSrcDataset, GDALDatasetH hGridDataset, int bInverse, double dfSrcUnitToMeter, double dfDstUnitToMeter, const char *const *papszOptions)
Apply a vertical shift grid to a source (DEM typically) dataset.
Definition: gdalapplyverticalshiftgrid.cpp:371
double dfRadius2
Definition: gdal_alg.h:491
int GDALTPSTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Transforms point based on GCP derived polynomial model.
Definition: gdal_tps.cpp:358
C API and defines for OGRFeature, OGRGeometry, and OGRDataSource related classes. ...
int GDALApproxTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Perform approximate transformation.
Definition: gdaltransformer.cpp:3045
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:334
void * GDALCreateGenImgProjTransformer(GDALDatasetH hSrcDS, const char *pszSrcWKT, GDALDatasetH hDstDS, const char *pszDstWKT, int bGCPUseOK, double dfGCPErrorThreshold, int nOrder)
Create image to image transformer.
Definition: gdaltransformer.cpp:1010
Inverse distance to a power method control options.
Definition: gdal_alg.h:384
void GDALDestroyTPSTransformer(void *pTransformArg)
Destroy TPS transformer.
Definition: gdal_tps.cpp:313
double dfSmoothing
Definition: gdal_alg.h:428
CPLErr GDALGridContextProcess(GDALGridContext *psContext, double dfXMin, double dfXMax, double dfYMin, double dfYMax, GUInt32 nXSize, GUInt32 nYSize, GDALDataType eType, void *pData, GDALProgressFunc pfnProgress, void *pProgressArg)
Do the gridding of a window of a raster.
Definition: gdalgrid.cpp:2182
void * GDALColorTableH
Opaque type used for the C bindings of the C++ GDALColorTable class.
Definition: gdal.h:258
void * GDALCreateReprojectionTransformer(const char *pszSrcWKT, const char *pszDstWKT)
Create reprojection transformer.
Definition: gdaltransformer.cpp:2320
CPLErr GDALPolygonize(GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand, OGRLayerH hOutLayer, int iPixValField, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Create polygon coverage from raster data.
Definition: polygonize.cpp:827
double dfPower
Definition: gdal_alg.h:387
Triangle fact.
Definition: gdal_alg.h:554
GUInt32 nMaxPoints
Definition: gdal_alg.h:409
Definition: gdal_alg.h:369
GDALDatasetH GDALOpenVerticalShiftGrid(const char *pszProj4Geoidgrids, int *pbError)
Load proj.4 geoidgrids as GDAL dataset.
Definition: gdalapplyverticalshiftgrid.cpp:655
void * GDALCreateGenImgProjTransformer3(const char *pszSrcWKT, const double *padfSrcGeoTransform, const char *pszDstWKT, const double *padfDstGeoTransform)
Create image to image transformer.
Definition: gdaltransformer.cpp:1729
CPLErr GDALFillNodata(GDALRasterBandH hTargetBand, GDALRasterBandH hMaskBand, double dfMaxSearchDist, int bDeprecatedOption, int nSmoothingIterations, char **papszOptions, GDALProgressFunc pfnProgress, void *pProgressArg)
Fill selected raster regions by interpolation from the edges.
Definition: rasterfill.cpp:404
int GDALComputeMedianCutPCT(GDALRasterBandH hRed, GDALRasterBandH hGreen, GDALRasterBandH hBlue, int(*pfnIncludePixel)(int, int, void *), int nColors, GDALColorTableH hColorTable, GDALProgressFunc pfnProgress, void *pProgressArg)
Compute optimal PCT for RGB image.
Definition: gdalmediancut.cpp:147
double dfNoDataValue
Definition: gdal_alg.h:504
Definition: gdal_alg.h:378
double dfMul1Y
dfMul1Y
Definition: gdal_alg.h:572
struct GDALGridContext GDALGridContext
Grid context opaque type.
Definition: gdal_alg.h:528
double dfAngle
Definition: gdal_alg.h:458
void GDALApproxTransformerOwnsSubtransformer(void *pCBData, int bOwnFlag)
Set bOwnSubtransformer flag.
Definition: gdaltransformer.cpp:2706
void * GDALCreateGCPRefineTransformer(int nGCPCount, const GDAL_GCP *pasGCPList, int nReqOrder, int bReversed, double tolerance, int minimumGcps)
Create GCP based polynomial transformer, with a tolerance threshold to discard GCPs that transform ba...
Definition: gdal_crs.c:315
void GDALTriangulationFree(GDALTriangulation *psDT)
Free a triangulation.
Definition: delaunay.c:275
int GDALTriangulationFindFacetDirected(const GDALTriangulation *psDT, int nFacetIdx, double dfX, double dfY, int *panOutputFacetIdx)
Returns the index of the triangle that contains the point by walking in the triangulation.
Definition: delaunay.c:502
double dfMul1X
dfMul1X
Definition: gdal_alg.h:571
GUInt32 nMinPoints
Definition: gdal_alg.h:442
void GDAL_CG_Destroy(GDALContourGeneratorH hCG)
Destroy contour generator.
Definition: contour.cpp:231
Ground Control Point.
Definition: gdal.h:549
CPLErr
Error category.
Definition: cpl_error.h:52
double dfSmoothing
Definition: gdal_alg.h:389
GUInt32 nMaxPoints
Definition: gdal_alg.h:436
void * GDALCreateTPSTransformer(int nGCPCount, const GDAL_GCP *pasGCPList, int bReversed)
Create Thin Plate Spline transformer from GCPs.
Definition: gdal_tps.cpp:144
int GDALChecksumImage(GDALRasterBandH hBand, int nXOff, int nYOff, int nXSize, int nYSize)
Compute checksum for image region.
Definition: gdalchecksum.cpp:66
Triangulation structure.
Definition: gdal_alg.h:580

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