/usr/include/gdal/gdal_alg.h is in libgdal-dev 1.10.1+dfsg-8+b3.
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* $Id: gdal_alg.h 25741 2013-03-13 19:19:16Z ilucena $
*
* Project: GDAL Image Processing Algorithms
* Purpose: Prototypes, and definitions for various GDAL based algorithms.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2001, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef GDAL_ALG_H_INCLUDED
#define GDAL_ALG_H_INCLUDED
/**
* \file gdal_alg.h
*
* Public (C callable) GDAL algorithm entry points, and definitions.
*/
#ifndef DOXYGEN_SKIP
#include "gdal.h"
#include "cpl_minixml.h"
#include "ogr_api.h"
#endif
CPL_C_START
int CPL_DLL CPL_STDCALL GDALComputeMedianCutPCT( GDALRasterBandH hRed,
GDALRasterBandH hGreen,
GDALRasterBandH hBlue,
int (*pfnIncludePixel)(int,int,void*),
int nColors,
GDALColorTableH hColorTable,
GDALProgressFunc pfnProgress,
void * pProgressArg );
int CPL_DLL CPL_STDCALL GDALDitherRGB2PCT( GDALRasterBandH hRed,
GDALRasterBandH hGreen,
GDALRasterBandH hBlue,
GDALRasterBandH hTarget,
GDALColorTableH hColorTable,
GDALProgressFunc pfnProgress,
void * pProgressArg );
int CPL_DLL CPL_STDCALL GDALChecksumImage( GDALRasterBandH hBand,
int nXOff, int nYOff, int nXSize, int nYSize );
CPLErr CPL_DLL CPL_STDCALL
GDALComputeProximity( GDALRasterBandH hSrcBand,
GDALRasterBandH hProximityBand,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
CPLErr CPL_DLL CPL_STDCALL
GDALFillNodata( GDALRasterBandH hTargetBand,
GDALRasterBandH hMaskBand,
double dfMaxSearchDist,
int bDeprecatedOption,
int nSmoothingIterations,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
CPLErr CPL_DLL CPL_STDCALL
GDALPolygonize( GDALRasterBandH hSrcBand,
GDALRasterBandH hMaskBand,
OGRLayerH hOutLayer, int iPixValField,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
CPLErr CPL_DLL CPL_STDCALL
GDALFPolygonize( GDALRasterBandH hSrcBand,
GDALRasterBandH hMaskBand,
OGRLayerH hOutLayer, int iPixValField,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
CPLErr CPL_DLL CPL_STDCALL
GDALSieveFilter( GDALRasterBandH hSrcBand, GDALRasterBandH hMaskBand,
GDALRasterBandH hDstBand,
int nSizeThreshold, int nConnectedness,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
/*
* Warp Related.
*/
typedef int
(*GDALTransformerFunc)( void *pTransformerArg,
int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
typedef struct {
char szSignature[4];
const char *pszClassName;
GDALTransformerFunc pfnTransform;
void (*pfnCleanup)( void * );
CPLXMLNode *(*pfnSerialize)( void * );
/* TODO GDAL 2.0 : add a void* (*pfnClone) (void *) member */
} GDALTransformerInfo;
void CPL_DLL GDALDestroyTransformer( void *pTransformerArg );
int CPL_DLL GDALUseTransformer( void *pTranformerArg,
int bDstToSrc, int nPointCount,
double *x, double *y, double *z,
int *panSuccess );
/* High level transformer for going from image coordinates on one file
to image coordiantes on another, potentially doing reprojection,
utilizing GCPs or using the geotransform. */
void CPL_DLL *
GDALCreateGenImgProjTransformer( GDALDatasetH hSrcDS, const char *pszSrcWKT,
GDALDatasetH hDstDS, const char *pszDstWKT,
int bGCPUseOK, double dfGCPErrorThreshold,
int nOrder );
void CPL_DLL *
GDALCreateGenImgProjTransformer2( GDALDatasetH hSrcDS, GDALDatasetH hDstDS,
char **papszOptions );
void CPL_DLL *
GDALCreateGenImgProjTransformer3( const char *pszSrcWKT,
const double *padfSrcGeoTransform,
const char *pszDstWKT,
const double *padfDstGeoTransform );
void CPL_DLL GDALSetGenImgProjTransformerDstGeoTransform( void *,
const double * );
void CPL_DLL GDALDestroyGenImgProjTransformer( void * );
int CPL_DLL GDALGenImgProjTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
/* Geo to geo reprojection transformer. */
void CPL_DLL *
GDALCreateReprojectionTransformer( const char *pszSrcWKT,
const char *pszDstWKT );
void CPL_DLL GDALDestroyReprojectionTransformer( void * );
int CPL_DLL GDALReprojectionTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
/* GCP based transformer ... forward is to georef coordinates */
void CPL_DLL *
GDALCreateGCPTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
int nReqOrder, int bReversed );
/* GCP based transformer with refinement of the GCPs ... forward is to georef coordinates */
void CPL_DLL *
GDALCreateGCPRefineTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
int nReqOrder, int bReversed, double tolerance, int minimumGcps);
void CPL_DLL GDALDestroyGCPTransformer( void *pTransformArg );
int CPL_DLL GDALGCPTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
/* Thin Plate Spine transformer ... forward is to georef coordinates */
void CPL_DLL *
GDALCreateTPSTransformer( int nGCPCount, const GDAL_GCP *pasGCPList,
int bReversed );
void CPL_DLL GDALDestroyTPSTransformer( void *pTransformArg );
int CPL_DLL GDALTPSTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
char CPL_DLL ** RPCInfoToMD( GDALRPCInfo *psRPCInfo );
/* RPC based transformer ... src is pixel/line/elev, dst is long/lat/elev */
void CPL_DLL *
GDALCreateRPCTransformer( GDALRPCInfo *psRPC, int bReversed,
double dfPixErrThreshold,
char **papszOptions );
void CPL_DLL GDALDestroyRPCTransformer( void *pTransformArg );
int CPL_DLL GDALRPCTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
/* Geolocation transformer */
void CPL_DLL *
GDALCreateGeoLocTransformer( GDALDatasetH hBaseDS,
char **papszGeolocationInfo,
int bReversed );
void CPL_DLL GDALDestroyGeoLocTransformer( void *pTransformArg );
int CPL_DLL GDALGeoLocTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
/* Approximate transformer */
void CPL_DLL *
GDALCreateApproxTransformer( GDALTransformerFunc pfnRawTransformer,
void *pRawTransformerArg, double dfMaxError );
void CPL_DLL GDALApproxTransformerOwnsSubtransformer( void *pCBData,
int bOwnFlag );
void CPL_DLL GDALDestroyApproxTransformer( void *pApproxArg );
int CPL_DLL GDALApproxTransform(
void *pTransformArg, int bDstToSrc, int nPointCount,
double *x, double *y, double *z, int *panSuccess );
int CPL_DLL CPL_STDCALL
GDALSimpleImageWarp( GDALDatasetH hSrcDS,
GDALDatasetH hDstDS,
int nBandCount, int *panBandList,
GDALTransformerFunc pfnTransform,
void *pTransformArg,
GDALProgressFunc pfnProgress,
void *pProgressArg,
char **papszWarpOptions );
CPLErr CPL_DLL CPL_STDCALL
GDALSuggestedWarpOutput( GDALDatasetH hSrcDS,
GDALTransformerFunc pfnTransformer,
void *pTransformArg,
double *padfGeoTransformOut,
int *pnPixels, int *pnLines );
CPLErr CPL_DLL CPL_STDCALL
GDALSuggestedWarpOutput2( GDALDatasetH hSrcDS,
GDALTransformerFunc pfnTransformer,
void *pTransformArg,
double *padfGeoTransformOut,
int *pnPixels, int *pnLines,
double *padfExtents,
int nOptions );
CPLXMLNode CPL_DLL *
GDALSerializeTransformer( GDALTransformerFunc pfnFunc, void *pTransformArg );
CPLErr CPL_DLL GDALDeserializeTransformer( CPLXMLNode *psTree,
GDALTransformerFunc *ppfnFunc,
void **ppTransformArg );
CPLErr CPL_DLL
GDALTransformGeolocations( GDALRasterBandH hXBand,
GDALRasterBandH hYBand,
GDALRasterBandH hZBand,
GDALTransformerFunc pfnTransformer,
void *pTransformArg,
GDALProgressFunc pfnProgress,
void *pProgressArg,
char **papszOptions );
/* -------------------------------------------------------------------- */
/* Contour Line Generation */
/* -------------------------------------------------------------------- */
typedef CPLErr (*GDALContourWriter)( double dfLevel, int nPoints,
double *padfX, double *padfY, void * );
typedef void *GDALContourGeneratorH;
GDALContourGeneratorH CPL_DLL
GDAL_CG_Create( int nWidth, int nHeight,
int bNoDataSet, double dfNoDataValue,
double dfContourInterval, double dfContourBase,
GDALContourWriter pfnWriter, void *pCBData );
CPLErr CPL_DLL GDAL_CG_FeedLine( GDALContourGeneratorH hCG,
double *padfScanline );
void CPL_DLL GDAL_CG_Destroy( GDALContourGeneratorH hCG );
typedef struct
{
void *hLayer;
double adfGeoTransform[6];
int nElevField;
int nIDField;
int nNextID;
} OGRContourWriterInfo;
CPLErr CPL_DLL
OGRContourWriter( double, int, double *, double *, void *pInfo );
CPLErr CPL_DLL
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 );
/************************************************************************/
/* Rasterizer API - geometries burned into GDAL raster. */
/************************************************************************/
CPLErr CPL_DLL
GDALRasterizeGeometries( GDALDatasetH hDS,
int nBandCount, int *panBandList,
int nGeomCount, OGRGeometryH *pahGeometries,
GDALTransformerFunc pfnTransformer,
void *pTransformArg,
double *padfGeomBurnValue,
char **papszOptions,
GDALProgressFunc pfnProgress,
void * pProgressArg );
CPLErr CPL_DLL
GDALRasterizeLayers( GDALDatasetH hDS,
int nBandCount, int *panBandList,
int nLayerCount, OGRLayerH *pahLayers,
GDALTransformerFunc pfnTransformer,
void *pTransformArg,
double *padfLayerBurnValues,
char **papszOptions,
GDALProgressFunc pfnProgress,
void *pProgressArg );
CPLErr CPL_DLL
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 );
/************************************************************************/
/* Gridding interface. */
/************************************************************************/
/** Gridding Algorithms */
typedef enum {
/*! Inverse distance to a power */ GGA_InverseDistanceToAPower = 1,
/*! Moving Average */ GGA_MovingAverage = 2,
/*! Nearest Neighbor */ GGA_NearestNeighbor = 3,
/*! Minimum Value (Data Metric) */ GGA_MetricMinimum = 4,
/*! Maximum Value (Data Metric) */ GGA_MetricMaximum = 5,
/*! Data Range (Data Metric) */ GGA_MetricRange = 6,
/*! Number of Points (Data Metric) */ GGA_MetricCount = 7,
/*! Average Distance (Data Metric) */ GGA_MetricAverageDistance = 8,
/*! Average Distance Between Data Points (Data Metric) */
GGA_MetricAverageDistancePts = 9
} GDALGridAlgorithm;
/** Inverse distance to a power method control options */
typedef struct
{
/*! Weighting power. */
double dfPower;
/*! Smoothing parameter. */
double dfSmoothing;
/*! Reserved for future use. */
double dfAnisotropyRatio;
/*! Reserved for future use. */
double dfAnisotropyAngle;
/*! The first radius (X axis if rotation angle is 0) of search ellipse. */
double dfRadius1;
/*! The second radius (Y axis if rotation angle is 0) of search ellipse. */
double dfRadius2;
/*! Angle of ellipse rotation in degrees.
*
* Ellipse rotated counter clockwise.
*/
double dfAngle;
/*! Maximum number of data points to use.
*
* Do not search for more points than this number.
* If less amount of points found the grid node considered empty and will
* be filled with NODATA marker.
*/
GUInt32 nMaxPoints;
/*! Minimum number of data points to use.
*
* If less amount of points found the grid node considered empty and will
* be filled with NODATA marker.
*/
GUInt32 nMinPoints;
/*! No data marker to fill empty points. */
double dfNoDataValue;
} GDALGridInverseDistanceToAPowerOptions;
/** Moving average method control options */
typedef struct
{
/*! The first radius (X axis if rotation angle is 0) of search ellipse. */
double dfRadius1;
/*! The second radius (Y axis if rotation angle is 0) of search ellipse. */
double dfRadius2;
/*! Angle of ellipse rotation in degrees.
*
* Ellipse rotated counter clockwise.
*/
double dfAngle;
/*! Minimum number of data points to average.
*
* If less amount of points found the grid node considered empty and will
* be filled with NODATA marker.
*/
GUInt32 nMinPoints;
/*! No data marker to fill empty points. */
double dfNoDataValue;
} GDALGridMovingAverageOptions;
/** Nearest neighbor method control options */
typedef struct
{
/*! The first radius (X axis if rotation angle is 0) of search ellipse. */
double dfRadius1;
/*! The second radius (Y axis if rotation angle is 0) of search ellipse. */
double dfRadius2;
/*! Angle of ellipse rotation in degrees.
*
* Ellipse rotated counter clockwise.
*/
double dfAngle;
/*! No data marker to fill empty points. */
double dfNoDataValue;
} GDALGridNearestNeighborOptions;
/** Data metrics method control options */
typedef struct
{
/*! The first radius (X axis if rotation angle is 0) of search ellipse. */
double dfRadius1;
/*! The second radius (Y axis if rotation angle is 0) of search ellipse. */
double dfRadius2;
/*! Angle of ellipse rotation in degrees.
*
* Ellipse rotated counter clockwise.
*/
double dfAngle;
/*! Minimum number of data points to average.
*
* If less amount of points found the grid node considered empty and will
* be filled with NODATA marker.
*/
GUInt32 nMinPoints;
/*! No data marker to fill empty points. */
double dfNoDataValue;
} GDALGridDataMetricsOptions;
CPLErr CPL_DLL
GDALGridCreate( GDALGridAlgorithm, const void *, GUInt32,
const double *, const double *, const double *,
double, double, double, double,
GUInt32, GUInt32, GDALDataType, void *,
GDALProgressFunc, void *);
GDAL_GCP CPL_DLL *
GDALComputeMatchingPoints( GDALDatasetH hFirstImage,
GDALDatasetH hSecondImage,
char **papszOptions,
int *pnGCPCount );
CPL_C_END
#endif /* ndef GDAL_ALG_H_INCLUDED */
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