GDAL
gdal_alg.h
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1 /******************************************************************************
2  * $Id: gdal_alg.h 37723 2017-03-16 17:07:53Z 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 
166 /* Geo to geo reprojection transformer. */
167 void CPL_DLL *
168 GDALCreateReprojectionTransformer( const char *pszSrcWKT,
169  const char *pszDstWKT );
170 void CPL_DLL GDALDestroyReprojectionTransformer( void * );
171 int CPL_DLL GDALReprojectionTransform(
172  void *pTransformArg, int bDstToSrc, int nPointCount,
173  double *x, double *y, double *z, int *panSuccess );
174 
175 /* GCP based transformer ... forward is to georef coordinates */
176 void CPL_DLL *
177 GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
178  int nReqOrder, int bReversed );
179 
180 /* GCP based transformer with refinement of the GCPs ... forward is to georef coordinates */
181 void CPL_DLL *
182 GDALCreateGCPRefineTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
183  int nReqOrder, int bReversed, double tolerance, int minimumGcps);
184 
185 void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
186 int CPL_DLL GDALGCPTransform(
187  void *pTransformArg, int bDstToSrc, int nPointCount,
188  double *x, double *y, double *z, int *panSuccess );
189 
190 /* Thin Plate Spine transformer ... forward is to georef coordinates */
191 
192 void CPL_DLL *
193 GDALCreateTPSTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
194  int bReversed );
195 void CPL_DLL GDALDestroyTPSTransformer( void *pTransformArg );
196 int CPL_DLL GDALTPSTransform(
197  void *pTransformArg, int bDstToSrc, int nPointCount,
198  double *x, double *y, double *z, int *panSuccess );
199 
201 char CPL_DLL ** RPCInfoToMD( GDALRPCInfo *psRPCInfo );
204 /* RPC based transformer ... src is pixel/line/elev, dst is long/lat/elev */
205 
206 void CPL_DLL *
207 GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
208  double dfPixErrThreshold,
209  char **papszOptions );
210 void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
211 int CPL_DLL GDALRPCTransform(
212  void *pTransformArg, int bDstToSrc, int nPointCount,
213  double *x, double *y, double *z, int *panSuccess );
214 
215 /* Geolocation transformer */
216 
217 void CPL_DLL *
219  char **papszGeolocationInfo,
220  int bReversed );
221 void CPL_DLL GDALDestroyGeoLocTransformer( void *pTransformArg );
222 int CPL_DLL GDALGeoLocTransform(
223  void *pTransformArg, int bDstToSrc, int nPointCount,
224  double *x, double *y, double *z, int *panSuccess );
225 
226 /* Approximate transformer */
227 void CPL_DLL *
229  void *pRawTransformerArg, double dfMaxError );
230 void CPL_DLL GDALApproxTransformerOwnsSubtransformer( void *pCBData,
231  int bOwnFlag );
232 void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
233 int CPL_DLL GDALApproxTransform(
234  void *pTransformArg, int bDstToSrc, int nPointCount,
235  double *x, double *y, double *z, int *panSuccess );
236 
237 int CPL_DLL CPL_STDCALL
239  GDALDatasetH hDstDS,
240  int nBandCount, int *panBandList,
241  GDALTransformerFunc pfnTransform,
242  void *pTransformArg,
243  GDALProgressFunc pfnProgress,
244  void *pProgressArg,
245  char **papszWarpOptions );
246 
247 CPLErr CPL_DLL CPL_STDCALL
249  GDALTransformerFunc pfnTransformer,
250  void *pTransformArg,
251  double *padfGeoTransformOut,
252  int *pnPixels, int *pnLines );
253 CPLErr CPL_DLL CPL_STDCALL
255  GDALTransformerFunc pfnTransformer,
256  void *pTransformArg,
257  double *padfGeoTransformOut,
258  int *pnPixels, int *pnLines,
259  double *padfExtents,
260  int nOptions );
261 
263 CPLXMLNode CPL_DLL *
264 GDALSerializeTransformer( GDALTransformerFunc pfnFunc, void *pTransformArg );
265 CPLErr CPL_DLL GDALDeserializeTransformer( CPLXMLNode *psTree,
266  GDALTransformerFunc *ppfnFunc,
267  void **ppTransformArg );
270 CPLErr CPL_DLL
272  GDALRasterBandH hYBand,
273  GDALRasterBandH hZBand,
274  GDALTransformerFunc pfnTransformer,
275  void *pTransformArg,
276  GDALProgressFunc pfnProgress,
277  void *pProgressArg,
278  char **papszOptions );
279 
280 /* -------------------------------------------------------------------- */
281 /* Contour Line Generation */
282 /* -------------------------------------------------------------------- */
283 
285 typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
286  double *padfX, double *padfY, void * );
287 
289 typedef void *GDALContourGeneratorH;
290 
291 GDALContourGeneratorH CPL_DLL
292 GDAL_CG_Create( int nWidth, int nHeight,
293  int bNoDataSet, double dfNoDataValue,
294  double dfContourInterval, double dfContourBase,
295  GDALContourWriter pfnWriter, void *pCBData );
296 CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
297  double *padfScanline );
298 void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
299 
301 typedef struct
302 {
303  void *hLayer;
304 
305  double adfGeoTransform[6];
306 
307  int nElevField;
308  int nIDField;
309  int nNextID;
310 } OGRContourWriterInfo;
311 
312 CPLErr CPL_DLL
313 OGRContourWriter( double, int, double *, double *, void *pInfo );
316 CPLErr CPL_DLL
318  double dfContourInterval, double dfContourBase,
319  int nFixedLevelCount, double *padfFixedLevels,
320  int bUseNoData, double dfNoDataValue,
321  void *hLayer, int iIDField, int iElevField,
322  GDALProgressFunc pfnProgress, void *pProgressArg );
323 
324 /************************************************************************/
325 /* Rasterizer API - geometries burned into GDAL raster. */
326 /************************************************************************/
327 
328 CPLErr CPL_DLL
330  int nBandCount, int *panBandList,
331  int nGeomCount, OGRGeometryH *pahGeometries,
332  GDALTransformerFunc pfnTransformer,
333  void *pTransformArg,
334  double *padfGeomBurnValue,
335  char **papszOptions,
336  GDALProgressFunc pfnProgress,
337  void * pProgressArg );
338 CPLErr CPL_DLL
340  int nBandCount, int *panBandList,
341  int nLayerCount, OGRLayerH *pahLayers,
342  GDALTransformerFunc pfnTransformer,
343  void *pTransformArg,
344  double *padfLayerBurnValues,
345  char **papszOptions,
346  GDALProgressFunc pfnProgress,
347  void *pProgressArg );
348 
349 CPLErr CPL_DLL
350 GDALRasterizeLayersBuf( void *pData, int nBufXSize, int nBufYSize,
351  GDALDataType eBufType, int nPixelSpace, int nLineSpace,
352  int nLayerCount, OGRLayerH *pahLayers,
353  const char *pszDstProjection,
354  double *padfDstGeoTransform,
355  GDALTransformerFunc pfnTransformer,
356  void *pTransformArg, double dfBurnValue,
357  char **papszOptions, GDALProgressFunc pfnProgress,
358  void *pProgressArg );
359 
360 /************************************************************************/
361 /* Gridding interface. */
362 /************************************************************************/
363 
381 
383 typedef struct
384 {
386  double dfPower;
388  double dfSmoothing;
394  double dfRadius1;
396  double dfRadius2;
401  double dfAngle;
418 
420 typedef struct
421 {
423  double dfPower;
425  double dfRadius;
427  double dfSmoothing;
428 
445 
447 typedef struct
448 {
450  double dfRadius1;
452  double dfRadius2;
457  double dfAngle;
467 
469 typedef struct
470 {
472  double dfRadius1;
474  double dfRadius2;
479  double dfAngle;
483 
485 typedef struct
486 {
488  double dfRadius1;
490  double dfRadius2;
495  double dfAngle;
505 
507 typedef struct
508 {
514  double dfRadius;
518 
519 CPLErr CPL_DLL
521  const double *, const double *, const double *,
522  double, double, double, double,
523  GUInt32, GUInt32, GDALDataType, void *,
524  GDALProgressFunc, void *);
525 
528 
529 GDALGridContext CPL_DLL*
530 GDALGridContextCreate( GDALGridAlgorithm eAlgorithm, const void *poOptions,
531  GUInt32 nPoints,
532  const double *padfX, const double *padfY, const double *padfZ,
533  int bCallerWillKeepPointArraysAlive );
534 
535 void CPL_DLL GDALGridContextFree(GDALGridContext* psContext);
536 
538  double dfXMin, double dfXMax, double dfYMin, double dfYMax,
539  GUInt32 nXSize, GUInt32 nYSize, GDALDataType eType, void *pData,
540  GDALProgressFunc pfnProgress, void *pProgressArg );
541 
542 GDAL_GCP CPL_DLL *
544  GDALDatasetH hSecondImage,
545  char **papszOptions,
546  int *pnGCPCount );
547 
548 /************************************************************************/
549 /* Delaunay triangulation interface. */
550 /************************************************************************/
551 
553 typedef struct
554 {
555  int anVertexIdx[3];
556  int anNeighborIdx[3];
557  /* anNeighborIdx[k] is the triangle to the opposite side */
558  /* of the opposite segment of anVertexIdx[k] */
559 } GDALTriFacet;
560 
568 typedef struct
569 {
570  double dfMul1X;
571  double dfMul1Y;
572  double dfMul2X;
573  double dfMul2Y;
574  double dfCstX;
575  double dfCstY;
577 
579 typedef struct
580 {
581  int nFacets;
585 
586 int CPL_DLL GDALHasTriangulation(void);
587 
589  const double* padfX,
590  const double* padfY);
592  GDALTriangulation* psDT,
593  const double* padfX,
594  const double* padfY);
596  const GDALTriangulation* psDT,
597  int nFacetIdx,
598  double dfX,
599  double dfY,
600  double* pdfL1,
601  double* pdfL2,
602  double* pdfL3);
604  double dfX,
605  double dfY,
606  int* panOutputFacetIdx );
608  int nFacetIdx,
609  double dfX,
610  double dfY,
611  int* panOutputFacetIdx );
612 void CPL_DLL GDALTriangulationFree(GDALTriangulation* psDT);
613 
615 // GDAL internal use only
616 void GDALTriangulationTerminate(void);
620  const char* pszProj4Geoidgrids,
621  int* pbError );
622 
624  GDALDatasetH hGridDataset,
625  int bInverse,
626  double dfSrcUnitToMeter,
627  double dfDstUnitToMeter,
628  const char* const* papszOptions );
629 
630 CPL_C_END
631 
632 #endif /* ndef GDAL_ALG_H_INCLUDED */
double dfAngle
Definition: gdal_alg.h:495
void * OGRLayerH
Opaque type for a layer (OGRLayer)
Definition: ogr_api.h:497
Definition: gdal_alg.h:372
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:2392
GDALDataType
Definition: gdal.h:57
Document node structure.
Definition: cpl_minixml.h:66
double dfNoDataValue
Definition: gdal_alg.h:443
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:722
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:586
Data metrics method control options.
Definition: gdal_alg.h:485
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:352
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:463
double dfCstY
dfCstY
Definition: gdal_alg.h:575
void GDALDestroyApproxTransformer(void *pApproxArg)
Cleanup approximate transformer.
Definition: gdaltransformer.cpp:2729
Definition: gdal_alg.h:366
double dfNoDataValue
Definition: gdal_alg.h:481
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:1221
CPLErr(* GDALContourWriter)(double dfLevel, int nPoints, double *padfX, double *padfY, void *)
Contour writer callback type.
Definition: gdal_alg.h:285
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:420
double dfRadius1
Definition: gdal_alg.h:472
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:365
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:574
GUInt32 nMinPoints
Definition: gdal_alg.h:501
Definition: gdal_alg.h:371
void * GDALDatasetH
Opaque type used for the C bindings of the C++ GDALDataset class.
Definition: gdal.h:241
double dfAngle
Definition: gdal_alg.h:401
void GDALSetTransformerDstGeoTransform(void *, const double *)
Set ApproxTransformer or GenImgProj output geotransform.
Definition: gdaltransformer.cpp:3619
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:207
double dfMul2Y
dfMul2Y
Definition: gdal_alg.h:573
Strucutre to store Rational Polynomial Coefficients / Rigorous Projection Model.
Definition: gdal.h:966
double dfNoDataValue
Definition: gdal_alg.h:416
void GDALDestroyRPCTransformer(void *pTransformArg)
Destroy RPC tranformer.
Definition: gdal_rpc.cpp:997
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:244
GDALTriBarycentricCoefficients * pasFacetCoefficients
arra of nFacets barycentric coefficients
Definition: gdal_alg.h:583
GUInt32 nMinPoints
Definition: gdal_alg.h:414
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:827
double dfRadius2
Definition: gdal_alg.h:452
Moving average method control options.
Definition: gdal_alg.h:447
double dfRadius1
Definition: gdal_alg.h:394
double dfAnisotropyRatio
Definition: gdal_alg.h:390
GDALTriFacet * pasFacets
array of nFacets facets
Definition: gdal_alg.h:582
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:488
Triangle barycentric coefficients.
Definition: gdal_alg.h:568
void GDALDestroyGenImgProjTransformer(void *)
GenImgProjTransformer deallocator.
Definition: gdaltransformer.cpp:1868
int GDALHasTriangulation(void)
Returns if GDAL is built with Delaunay triangulation support.
Definition: delaunay.c:96
void * GDALCreateGCPTransformer(int nGCPCount, const GDAL_GCP *pasGCPList, int nReqOrder, int bReversed)
Create GCP based polynomial transformer.
Definition: gdal_crs.c:302
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:524
void GDALDestroyGeoLocTransformer(void *pTransformArg)
Destroy GeoLocation transformer.
Definition: gdalgeoloc.cpp:691
Nearest neighbor method control options.
Definition: gdal_alg.h:469
void GDALDestroyGCPTransformer(void *pTransformArg)
Destroy GCP transformer.
Definition: gdal_crs.c:339
Definition: gdal_alg.h:375
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:514
double dfRadius2
Definition: gdal_alg.h:474
Linear method control options.
Definition: gdal_alg.h:507
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:369
int GDALTriangulationComputeBarycentricCoefficients(GDALTriangulation *psDT, const double *padfX, const double *padfY)
Computes barycentric coefficients for each triangles of the triangulation.
Definition: delaunay.c:302
Definition: gdal_alg.h:373
double dfNoDataValue
Definition: gdal_alg.h:516
void * GDALCreateRPCTransformer(GDALRPCInfo *psRPC, int bReversed, double dfPixErrThreshold, char **papszOptions)
Create an RPC based transformer.
Definition: gdal_rpc.cpp:765
GDALTriangulation * GDALTriangulationCreateDelaunay(int nPoints, const double *padfX, const double *padfY)
Computes a Delaunay triangulation of the passed points.
Definition: delaunay.c:119
double dfAnisotropyAngle
Definition: gdal_alg.h:392
void * GDALContourGeneratorH
Contour generator opaque type.
Definition: gdal_alg.h:289
int GDALReprojectionTransform(void *pTransformArg, int bDstToSrc, int nPointCount, double *x, double *y, double *z, int *panSuccess)
Perform reprojection transformation.
Definition: gdaltransformer.cpp:2423
double dfRadius1
Definition: gdal_alg.h:450
Definition: gdal_alg.h:367
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:366
double dfMul2X
dfMul2X
Definition: gdal_alg.h:572
double dfAngle
Definition: gdal_alg.h:479
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:383
void * GDALCreateApproxTransformer(GDALTransformerFunc pfnRawTransformer, void *pRawTransformerArg, double dfMaxError)
Create an approximating transformer.
Definition: gdaltransformer.cpp:2665
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:226
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:1775
double dfNoDataValue
Definition: gdal_alg.h:465
void * OGRGeometryH
Opaque type for a geometyr.
Definition: ogr_api.h:56
double dfRadius2
Definition: gdal_alg.h:396
int nFacets
number of facets
Definition: gdal_alg.h:581
Definition: gdal_alg.h:370
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:490
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:3047
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:354
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:383
void GDALDestroyTPSTransformer(void *pTransformArg)
Destroy TPS transformer.
Definition: gdal_tps.cpp:313
double dfSmoothing
Definition: gdal_alg.h:427
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:250
void * GDALCreateReprojectionTransformer(const char *pszSrcWKT, const char *pszDstWKT)
Create reprojection transformer.
Definition: gdaltransformer.cpp:2322
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:386
Triangle fact.
Definition: gdal_alg.h:553
GUInt32 nMaxPoints
Definition: gdal_alg.h:408
Definition: gdal_alg.h:368
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:402
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:503
Definition: gdal_alg.h:377
double dfMul1Y
dfMul1Y
Definition: gdal_alg.h:571
struct GDALGridContext GDALGridContext
Grid context opaque type.
Definition: gdal_alg.h:527
double dfAngle
Definition: gdal_alg.h:457
void GDALApproxTransformerOwnsSubtransformer(void *pCBData, int bOwnFlag)
Set bOwnSubtransformer flag.
Definition: gdaltransformer.cpp:2708
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:312
void GDALTriangulationFree(GDALTriangulation *psDT)
Free a triangulation.
Definition: delaunay.c:276
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:500
double dfMul1X
dfMul1X
Definition: gdal_alg.h:570
GUInt32 nMinPoints
Definition: gdal_alg.h:441
void GDAL_CG_Destroy(GDALContourGeneratorH hCG)
Destroy contour generator.
Definition: contour.cpp:231
Ground Control Point.
Definition: gdal.h:514
CPLErr
Error category.
Definition: cpl_error.h:52
double dfSmoothing
Definition: gdal_alg.h:388
GUInt32 nMaxPoints
Definition: gdal_alg.h:435
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:579

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