1036 lines
42 KiB
C
1036 lines
42 KiB
C
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/******************************************************************************
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* $Id: vrtdataset.h 35350 2016-09-07 07:21:52Z rouault $
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*
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* Project: Virtual GDAL Datasets
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* Purpose: Declaration of virtual gdal dataset classes.
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* Author: Frank Warmerdam, warmerdam@pobox.com
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*
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******************************************************************************
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* Copyright (c) 2001, Frank Warmerdam <warmerdam@pobox.com>
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* Copyright (c) 2007-2013, Even Rouault <even dot rouault at mines-paris dot org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifndef VIRTUALDATASET_H_INCLUDED
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#define VIRTUALDATASET_H_INCLUDED
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#include "cpl_hash_set.h"
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#include "gdal_pam.h"
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#include "gdal_priv.h"
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#include "gdal_vrt.h"
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#include <map>
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#include <vector>
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int VRTApplyMetadata( CPLXMLNode *, GDALMajorObject * );
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CPLXMLNode *VRTSerializeMetadata( GDALMajorObject * );
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#if 0
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int VRTWarpedOverviewTransform( void *pTransformArg, int bDstToSrc,
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int nPointCount,
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double *padfX, double *padfY, double *padfZ,
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int *panSuccess );
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void* VRTDeserializeWarpedOverviewTransformer( CPLXMLNode *psTree );
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#endif
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/************************************************************************/
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/* VRTOverviewInfo() */
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/************************************************************************/
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class VRTOverviewInfo
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{
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public:
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CPLString osFilename;
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int nBand;
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GDALRasterBand *poBand;
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int bTriedToOpen;
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VRTOverviewInfo() : nBand(0), poBand(NULL), bTriedToOpen(FALSE) {}
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~VRTOverviewInfo() {
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if( poBand == NULL )
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/* do nothing */;
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else if( poBand->GetDataset()->GetShared() )
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GDALClose( (GDALDatasetH) poBand->GetDataset() );
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else
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poBand->GetDataset()->Dereference();
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}
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};
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/************************************************************************/
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/* VRTSource */
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/************************************************************************/
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class CPL_DLL VRTSource
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{
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public:
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virtual ~VRTSource();
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virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
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void *pData, int nBufXSize, int nBufYSize,
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GDALDataType eBufType,
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GSpacing nPixelSpace, GSpacing nLineSpace,
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GDALRasterIOExtraArg* psExtraArg ) = 0;
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virtual double GetMinimum( int nXSize, int nYSize, int *pbSuccess ) = 0;
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virtual double GetMaximum( int nXSize, int nYSize, int *pbSuccess ) = 0;
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virtual CPLErr ComputeRasterMinMax( int nXSize, int nYSize, int bApproxOK, double* adfMinMax ) = 0;
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virtual CPLErr ComputeStatistics( int nXSize, int nYSize,
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int bApproxOK,
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double *pdfMin, double *pdfMax,
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double *pdfMean, double *pdfStdDev,
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GDALProgressFunc pfnProgress, void *pProgressData ) = 0;
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virtual CPLErr GetHistogram( int nXSize, int nYSize,
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double dfMin, double dfMax,
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int nBuckets, GUIntBig * panHistogram,
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int bIncludeOutOfRange, int bApproxOK,
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GDALProgressFunc pfnProgress, void *pProgressData ) = 0;
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virtual CPLErr XMLInit( CPLXMLNode *psTree, const char * ) = 0;
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virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath ) = 0;
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virtual void GetFileList(char*** ppapszFileList, int *pnSize,
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int *pnMaxSize, CPLHashSet* hSetFiles);
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virtual int IsSimpleSource() { return FALSE; }
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};
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typedef VRTSource *(*VRTSourceParser)(CPLXMLNode *, const char *);
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VRTSource *VRTParseCoreSources( CPLXMLNode *psTree, const char * );
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VRTSource *VRTParseFilterSources( CPLXMLNode *psTree, const char * );
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/************************************************************************/
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/* VRTDataset */
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/************************************************************************/
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class VRTRasterBand;
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class CPL_DLL VRTDataset : public GDALDataset
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{
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friend class VRTRasterBand;
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char *m_pszProjection;
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int m_bGeoTransformSet;
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double m_adfGeoTransform[6];
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int m_nGCPCount;
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GDAL_GCP *m_pasGCPList;
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char *m_pszGCPProjection;
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int m_bNeedsFlush;
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int m_bWritable;
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char *m_pszVRTPath;
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VRTRasterBand *m_poMaskBand;
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int m_bCompatibleForDatasetIO;
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int CheckCompatibleForDatasetIO();
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std::vector<GDALDataset*> m_apoOverviews;
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std::vector<GDALDataset*> m_apoOverviewsBak;
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protected:
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virtual int CloseDependentDatasets();
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public:
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VRTDataset(int nXSize, int nYSize);
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virtual ~VRTDataset();
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void SetNeedsFlush() { m_bNeedsFlush = TRUE; }
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virtual void FlushCache();
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void SetWritable(int bWritableIn) { m_bWritable = bWritableIn; }
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virtual CPLErr CreateMaskBand( int nFlags );
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void SetMaskBand(VRTRasterBand* poMaskBand);
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virtual const char *GetProjectionRef(void);
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virtual CPLErr SetProjection( const char * );
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virtual CPLErr GetGeoTransform( double * );
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virtual CPLErr SetGeoTransform( double * );
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virtual CPLErr SetMetadata( char **papszMD, const char *pszDomain = "" );
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virtual CPLErr SetMetadataItem( const char *pszName, const char *pszValue,
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const char *pszDomain = "" );
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virtual char** GetMetadata( const char *pszDomain = "" );
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virtual int GetGCPCount();
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virtual const char *GetGCPProjection();
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virtual const GDAL_GCP *GetGCPs();
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virtual CPLErr SetGCPs( int nGCPCount, const GDAL_GCP *pasGCPList,
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const char *pszGCPProjection );
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virtual CPLErr AddBand( GDALDataType eType,
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char **papszOptions=NULL );
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virtual char **GetFileList();
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virtual CPLErr IRasterIO( GDALRWFlag eRWFlag,
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int nXOff, int nYOff, int nXSize, int nYSize,
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void * pData, int nBufXSize, int nBufYSize,
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GDALDataType eBufType,
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int nBandCount, int *panBandMap,
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GSpacing nPixelSpace, GSpacing nLineSpace,
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GSpacing nBandSpace,
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GDALRasterIOExtraArg* psExtraArg);
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virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath);
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virtual CPLErr XMLInit( CPLXMLNode *, const char * );
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virtual CPLErr IBuildOverviews( const char *, int, int *,
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int, int *, GDALProgressFunc, void * );
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/* Used by PDF driver for example */
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GDALDataset* GetSingleSimpleSource();
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void BuildVirtualOverviews();
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void UnsetPreservedRelativeFilenames();
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static int Identify( GDALOpenInfo * );
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static GDALDataset *Open( GDALOpenInfo * );
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static GDALDataset *OpenXML( const char *, const char * = NULL, GDALAccess eAccess = GA_ReadOnly );
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static GDALDataset *Create( const char * pszName,
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int nXSize, int nYSize, int nBands,
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GDALDataType eType, char ** papszOptions );
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static CPLErr Delete( const char * pszFilename );
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};
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/************************************************************************/
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/* VRTWarpedDataset */
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/************************************************************************/
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class GDALWarpOperation;
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class VRTWarpedRasterBand;
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class CPL_DLL VRTWarpedDataset : public VRTDataset
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{
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int m_nBlockXSize;
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int m_nBlockYSize;
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GDALWarpOperation *m_poWarper;
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int m_nOverviewCount;
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VRTWarpedDataset **m_papoOverviews;
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int m_nSrcOvrLevel;
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void CreateImplicitOverviews();
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friend class VRTWarpedRasterBand;
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protected:
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virtual int CloseDependentDatasets();
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public:
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VRTWarpedDataset( int nXSize, int nYSize );
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virtual ~VRTWarpedDataset();
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CPLErr Initialize( /* GDALWarpOptions */ void * );
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virtual CPLErr IBuildOverviews( const char *, int, int *,
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int, int *, GDALProgressFunc, void * );
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virtual CPLErr SetMetadataItem( const char *pszName, const char *pszValue,
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const char *pszDomain = "" );
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virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
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virtual CPLErr XMLInit( CPLXMLNode *, const char * );
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virtual CPLErr AddBand( GDALDataType eType,
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char **papszOptions=NULL );
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virtual char **GetFileList();
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CPLErr ProcessBlock( int iBlockX, int iBlockY );
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void GetBlockSize( int *, int * );
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};
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/************************************************************************/
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/* VRTPansharpenedDataset */
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/************************************************************************/
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class GDALPansharpenOperation;
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typedef enum
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{
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GTAdjust_Union,
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GTAdjust_Intersection,
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GTAdjust_None,
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GTAdjust_NoneWithoutWarning
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} GTAdjustment;
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class VRTPansharpenedDataset : public VRTDataset
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{
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friend class VRTPansharpenedRasterBand;
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int m_nBlockXSize;
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int m_nBlockYSize;
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GDALPansharpenOperation* m_poPansharpener;
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VRTPansharpenedDataset* m_poMainDataset;
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std::vector<VRTPansharpenedDataset*> m_apoOverviewDatasets;
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std::map<CPLString,CPLString> m_oMapToRelativeFilenames; // map from absolute to relative
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int m_bLoadingOtherBands;
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GByte *m_pabyLastBufferBandRasterIO;
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int m_nLastBandRasterIOXOff;
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int m_nLastBandRasterIOYOff;
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int m_nLastBandRasterIOXSize;
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int m_nLastBandRasterIOYSize;
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GDALDataType m_eLastBandRasterIODataType;
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GTAdjustment m_eGTAdjustment;
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int m_bNoDataDisabled;
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std::vector<GDALDataset*> m_apoDatasetsToClose;
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protected:
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virtual int CloseDependentDatasets();
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public:
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VRTPansharpenedDataset( int nXSize, int nYSize );
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~VRTPansharpenedDataset();
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virtual CPLErr XMLInit( CPLXMLNode *, const char * );
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virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
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CPLErr XMLInit( CPLXMLNode *psTree, const char *pszVRTPath,
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GDALRasterBandH hPanchroBandIn,
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int nInputSpectralBandsIn,
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GDALRasterBandH* pahInputSpectralBandsIn );
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virtual CPLErr AddBand( GDALDataType eType,
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char **papszOptions=NULL );
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virtual char **GetFileList();
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virtual CPLErr IRasterIO( GDALRWFlag eRWFlag,
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int nXOff, int nYOff, int nXSize, int nYSize,
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void * pData, int nBufXSize, int nBufYSize,
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GDALDataType eBufType,
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int nBandCount, int *panBandMap,
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GSpacing nPixelSpace, GSpacing nLineSpace,
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GSpacing nBandSpace,
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GDALRasterIOExtraArg* psExtraArg);
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void GetBlockSize( int *, int * );
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GDALPansharpenOperation* GetPansharpener() { return m_poPansharpener; }
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};
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/************************************************************************/
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/* VRTRasterBand */
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/* */
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/* Provides support for all the various kinds of metadata but */
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/* no raster access. That is handled by derived classes. */
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/************************************************************************/
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class CPL_DLL VRTRasterBand : public GDALRasterBand
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{
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protected:
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int m_bIsMaskBand;
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int m_bNoDataValueSet;
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int m_bHideNoDataValue; // If set to true, will not report the existence of nodata
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double m_dfNoDataValue;
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GDALColorTable *m_poColorTable;
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GDALColorInterp m_eColorInterp;
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char *m_pszUnitType;
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char **m_papszCategoryNames;
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double m_dfOffset;
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double m_dfScale;
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CPLXMLNode *m_psSavedHistograms;
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void Initialize( int nXSize, int nYSize );
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std::vector<VRTOverviewInfo> m_apoOverviews;
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VRTRasterBand *m_poMaskBand;
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|
||
|
|
public:
|
||
|
|
|
||
|
|
VRTRasterBand();
|
||
|
|
virtual ~VRTRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr SetNoDataValue( double );
|
||
|
|
virtual double GetNoDataValue( int *pbSuccess = NULL );
|
||
|
|
virtual CPLErr DeleteNoDataValue();
|
||
|
|
|
||
|
|
virtual CPLErr SetColorTable( GDALColorTable * );
|
||
|
|
virtual GDALColorTable *GetColorTable();
|
||
|
|
|
||
|
|
virtual CPLErr SetColorInterpretation( GDALColorInterp );
|
||
|
|
virtual GDALColorInterp GetColorInterpretation();
|
||
|
|
|
||
|
|
virtual const char *GetUnitType();
|
||
|
|
CPLErr SetUnitType( const char * );
|
||
|
|
|
||
|
|
virtual char **GetCategoryNames();
|
||
|
|
virtual CPLErr SetCategoryNames( char ** );
|
||
|
|
|
||
|
|
virtual CPLErr SetMetadata( char **papszMD, const char *pszDomain = "" );
|
||
|
|
virtual CPLErr SetMetadataItem( const char *pszName, const char *pszValue,
|
||
|
|
const char *pszDomain = "" );
|
||
|
|
|
||
|
|
virtual double GetOffset( int *pbSuccess = NULL );
|
||
|
|
CPLErr SetOffset( double );
|
||
|
|
virtual double GetScale( int *pbSuccess = NULL );
|
||
|
|
CPLErr SetScale( double );
|
||
|
|
|
||
|
|
virtual int GetOverviewCount();
|
||
|
|
virtual GDALRasterBand *GetOverview(int);
|
||
|
|
|
||
|
|
virtual CPLErr GetHistogram( double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc, void *pProgressData );
|
||
|
|
|
||
|
|
virtual CPLErr GetDefaultHistogram( double *pdfMin, double *pdfMax,
|
||
|
|
int *pnBuckets, GUIntBig ** ppanHistogram,
|
||
|
|
int bForce,
|
||
|
|
GDALProgressFunc, void *pProgressData);
|
||
|
|
|
||
|
|
virtual CPLErr SetDefaultHistogram( double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig *panHistogram );
|
||
|
|
|
||
|
|
CPLErr CopyCommonInfoFrom( GDALRasterBand * );
|
||
|
|
|
||
|
|
virtual void GetFileList(char*** ppapszFileList, int *pnSize,
|
||
|
|
int *pnMaxSize, CPLHashSet* hSetFiles);
|
||
|
|
|
||
|
|
virtual void SetDescription( const char * );
|
||
|
|
|
||
|
|
virtual GDALRasterBand *GetMaskBand();
|
||
|
|
virtual int GetMaskFlags();
|
||
|
|
|
||
|
|
virtual CPLErr CreateMaskBand( int nFlags );
|
||
|
|
|
||
|
|
void SetMaskBand(VRTRasterBand* poMaskBand);
|
||
|
|
|
||
|
|
void SetIsMaskBand();
|
||
|
|
|
||
|
|
CPLErr UnsetNoDataValue();
|
||
|
|
|
||
|
|
virtual int CloseDependentDatasets();
|
||
|
|
|
||
|
|
virtual int IsSourcedRasterBand() { return FALSE; }
|
||
|
|
virtual int IsPansharpenRasterBand() { return FALSE; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTSourcedRasterBand */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTSimpleSource;
|
||
|
|
|
||
|
|
class CPL_DLL VRTSourcedRasterBand : public VRTRasterBand
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
int m_nRecursionCounter;
|
||
|
|
CPLString m_osLastLocationInfo;
|
||
|
|
char **m_papszSourceList;
|
||
|
|
|
||
|
|
void Initialize( int nXSize, int nYSize );
|
||
|
|
|
||
|
|
int CanUseSourcesMinMaxImplementations();
|
||
|
|
|
||
|
|
public:
|
||
|
|
int nSources;
|
||
|
|
VRTSource **papoSources;
|
||
|
|
int bEqualAreas;
|
||
|
|
|
||
|
|
VRTSourcedRasterBand( GDALDataset *poDS, int nBand );
|
||
|
|
VRTSourcedRasterBand( GDALDataType eType,
|
||
|
|
int nXSize, int nYSize );
|
||
|
|
VRTSourcedRasterBand( GDALDataset *poDS, int nBand,
|
||
|
|
GDALDataType eType,
|
||
|
|
int nXSize, int nYSize );
|
||
|
|
virtual ~VRTSourcedRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
|
||
|
|
void *, int, int, GDALDataType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg);
|
||
|
|
|
||
|
|
virtual char **GetMetadataDomainList();
|
||
|
|
virtual const char *GetMetadataItem( const char * pszName,
|
||
|
|
const char * pszDomain = "" );
|
||
|
|
virtual char **GetMetadata( const char * pszDomain = "" );
|
||
|
|
virtual CPLErr SetMetadata( char ** papszMetadata,
|
||
|
|
const char * pszDomain = "" );
|
||
|
|
virtual CPLErr SetMetadataItem( const char * pszName,
|
||
|
|
const char * pszValue,
|
||
|
|
const char * pszDomain = "" );
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual double GetMinimum( int *pbSuccess = NULL );
|
||
|
|
virtual double GetMaximum(int *pbSuccess = NULL );
|
||
|
|
virtual CPLErr ComputeRasterMinMax( int bApproxOK, double* adfMinMax );
|
||
|
|
virtual CPLErr ComputeStatistics( int bApproxOK,
|
||
|
|
double *pdfMin, double *pdfMax,
|
||
|
|
double *pdfMean, double *pdfStdDev,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
virtual CPLErr GetHistogram( double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
|
||
|
|
CPLErr AddSource( VRTSource * );
|
||
|
|
CPLErr AddSimpleSource( GDALRasterBand *poSrcBand,
|
||
|
|
double dfSrcXOff=-1, double dfSrcYOff=-1,
|
||
|
|
double dfSrcXSize=-1, double dfSrcYSize=-1,
|
||
|
|
double dfDstXOff=-1, double dfDstYOff=-1,
|
||
|
|
double dfDstXSize=-1, double dfDstYSize=-1,
|
||
|
|
const char *pszResampling = "near",
|
||
|
|
double dfNoDataValue = VRT_NODATA_UNSET);
|
||
|
|
CPLErr AddComplexSource( GDALRasterBand *poSrcBand,
|
||
|
|
double dfSrcXOff=-1, double dfSrcYOff=-1,
|
||
|
|
double dfSrcXSize=-1, double dfSrcYSize=-1,
|
||
|
|
double dfDstXOff=-1, double dfDstYOff=-1,
|
||
|
|
double dfDstXSize=-1, double dfDstYSize=-1,
|
||
|
|
double dfScaleOff=0.0,
|
||
|
|
double dfScaleRatio=1.0,
|
||
|
|
double dfNoDataValue = VRT_NODATA_UNSET,
|
||
|
|
int nColorTableComponent = 0);
|
||
|
|
|
||
|
|
CPLErr AddMaskBandSource( GDALRasterBand *poSrcBand,
|
||
|
|
double dfSrcXOff=-1, double dfSrcYOff=-1,
|
||
|
|
double dfSrcXSize=-1, double dfSrcYSize=-1,
|
||
|
|
double dfDstXOff=-1, double dfDstYOff=-1,
|
||
|
|
double dfDstXSize=-1, double dfDstYSize=-1 );
|
||
|
|
|
||
|
|
CPLErr AddFuncSource( VRTImageReadFunc pfnReadFunc, void *hCBData,
|
||
|
|
double dfNoDataValue = VRT_NODATA_UNSET );
|
||
|
|
|
||
|
|
void ConfigureSource(VRTSimpleSource *poSimpleSource,
|
||
|
|
GDALRasterBand *poSrcBand,
|
||
|
|
int bAddAsMaskBand,
|
||
|
|
double dfSrcXOff, double dfSrcYOff,
|
||
|
|
double dfSrcXSize, double dfSrcYSize,
|
||
|
|
double dfDstXOff, double dfDstYOff,
|
||
|
|
double dfDstXSize, double dfDstYSize);
|
||
|
|
|
||
|
|
virtual CPLErr IReadBlock( int, int, void * );
|
||
|
|
|
||
|
|
virtual void GetFileList(char*** ppapszFileList, int *pnSize,
|
||
|
|
int *pnMaxSize, CPLHashSet* hSetFiles);
|
||
|
|
|
||
|
|
virtual int CloseDependentDatasets();
|
||
|
|
|
||
|
|
virtual int IsSourcedRasterBand() { return TRUE; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTWarpedRasterBand */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class CPL_DLL VRTWarpedRasterBand : public VRTRasterBand
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
VRTWarpedRasterBand( GDALDataset *poDS, int nBand,
|
||
|
|
GDALDataType eType = GDT_Unknown );
|
||
|
|
virtual ~VRTWarpedRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr IReadBlock( int, int, void * );
|
||
|
|
virtual CPLErr IWriteBlock( int, int, void * );
|
||
|
|
|
||
|
|
virtual int GetOverviewCount();
|
||
|
|
virtual GDALRasterBand *GetOverview(int);
|
||
|
|
};
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTPansharpenedRasterBand */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTPansharpenedRasterBand : public VRTRasterBand
|
||
|
|
{
|
||
|
|
int m_nIndexAsPansharpenedBand;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTPansharpenedRasterBand( GDALDataset *poDS, int nBand,
|
||
|
|
GDALDataType eDataType = GDT_Unknown );
|
||
|
|
virtual ~VRTPansharpenedRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr IReadBlock( int, int, void * );
|
||
|
|
|
||
|
|
virtual CPLErr IRasterIO( GDALRWFlag eRWFlag,
|
||
|
|
int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void * pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg);
|
||
|
|
|
||
|
|
virtual int GetOverviewCount();
|
||
|
|
virtual GDALRasterBand *GetOverview(int);
|
||
|
|
|
||
|
|
virtual int IsPansharpenRasterBand() { return TRUE; }
|
||
|
|
|
||
|
|
void SetIndexAsPansharpenedBand(int nIdx) { m_nIndexAsPansharpenedBand = nIdx; }
|
||
|
|
int GetIndexAsPansharpenedBand() const { return m_nIndexAsPansharpenedBand; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTDerivedRasterBand */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class CPL_DLL VRTDerivedRasterBand : public VRTSourcedRasterBand
|
||
|
|
{
|
||
|
|
|
||
|
|
public:
|
||
|
|
char *pszFuncName;
|
||
|
|
GDALDataType eSourceTransferType;
|
||
|
|
|
||
|
|
VRTDerivedRasterBand(GDALDataset *poDS, int nBand);
|
||
|
|
VRTDerivedRasterBand(GDALDataset *poDS, int nBand,
|
||
|
|
GDALDataType eType, int nXSize, int nYSize);
|
||
|
|
virtual ~VRTDerivedRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
|
||
|
|
void *, int, int, GDALDataType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
static CPLErr AddPixelFunction
|
||
|
|
(const char *pszFuncName, GDALDerivedPixelFunc pfnPixelFunc);
|
||
|
|
static GDALDerivedPixelFunc GetPixelFunction(const char *pszFuncName);
|
||
|
|
|
||
|
|
void SetPixelFunctionName(const char *pszFuncName);
|
||
|
|
void SetSourceTransferType(GDALDataType eDataType);
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTRawRasterBand */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class RawRasterBand;
|
||
|
|
|
||
|
|
class CPL_DLL VRTRawRasterBand : public VRTRasterBand
|
||
|
|
{
|
||
|
|
RawRasterBand *m_poRawRaster;
|
||
|
|
|
||
|
|
char *m_pszSourceFilename;
|
||
|
|
int m_bRelativeToVRT;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTRawRasterBand( GDALDataset *poDS, int nBand,
|
||
|
|
GDALDataType eType = GDT_Unknown );
|
||
|
|
virtual ~VRTRawRasterBand();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual CPLXMLNode * SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
|
||
|
|
void *, int, int, GDALDataType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
virtual CPLErr IReadBlock( int, int, void * );
|
||
|
|
virtual CPLErr IWriteBlock( int, int, void * );
|
||
|
|
|
||
|
|
CPLErr SetRawLink( const char *pszFilename,
|
||
|
|
const char *pszVRTPath,
|
||
|
|
int bRelativeToVRT,
|
||
|
|
vsi_l_offset nImageOffset,
|
||
|
|
int nPixelOffset, int nLineOffset,
|
||
|
|
const char *pszByteOrder );
|
||
|
|
|
||
|
|
void ClearRawLink();
|
||
|
|
|
||
|
|
virtual void GetFileList(char*** ppapszFileList, int *pnSize,
|
||
|
|
int *pnMaxSize, CPLHashSet* hSetFiles);
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTDriver */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTDriver : public GDALDriver
|
||
|
|
{
|
||
|
|
void *m_pDeserializerData;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTDriver();
|
||
|
|
~VRTDriver();
|
||
|
|
|
||
|
|
char **papszSourceParsers;
|
||
|
|
|
||
|
|
virtual char **GetMetadataDomainList();
|
||
|
|
virtual char **GetMetadata( const char * pszDomain = "" );
|
||
|
|
virtual CPLErr SetMetadata( char ** papszMetadata,
|
||
|
|
const char * pszDomain = "" );
|
||
|
|
|
||
|
|
VRTSource *ParseSource( CPLXMLNode *psSrc, const char *pszVRTPath );
|
||
|
|
void AddSourceParser( const char *pszElementName,
|
||
|
|
VRTSourceParser pfnParser );
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTSimpleSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class CPL_DLL VRTSimpleSource : public VRTSource
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
GDALRasterBand *m_poRasterBand;
|
||
|
|
|
||
|
|
/* when poRasterBand is a mask band, poMaskBandMainBand is the band */
|
||
|
|
/* from which the mask band is taken */
|
||
|
|
GDALRasterBand *m_poMaskBandMainBand;
|
||
|
|
|
||
|
|
double m_dfSrcXOff;
|
||
|
|
double m_dfSrcYOff;
|
||
|
|
double m_dfSrcXSize;
|
||
|
|
double m_dfSrcYSize;
|
||
|
|
|
||
|
|
double m_dfDstXOff;
|
||
|
|
double m_dfDstYOff;
|
||
|
|
double m_dfDstXSize;
|
||
|
|
double m_dfDstYSize;
|
||
|
|
|
||
|
|
int m_bNoDataSet;
|
||
|
|
double m_dfNoDataValue;
|
||
|
|
CPLString m_osResampling;
|
||
|
|
|
||
|
|
int m_nMaxValue;
|
||
|
|
|
||
|
|
int m_bRelativeToVRTOri;
|
||
|
|
CPLString m_osSourceFileNameOri;
|
||
|
|
|
||
|
|
int NeedMaxValAdjustment() const;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTSimpleSource();
|
||
|
|
VRTSimpleSource(const VRTSimpleSource* poSrcSource,
|
||
|
|
double dfXDstRatio, double dfYDstRatio);
|
||
|
|
virtual ~VRTSimpleSource();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *psTree, const char * );
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
void SetSrcBand( GDALRasterBand * );
|
||
|
|
void SetSrcMaskBand( GDALRasterBand * );
|
||
|
|
void SetSrcWindow( double, double, double, double );
|
||
|
|
void SetDstWindow( double, double, double, double );
|
||
|
|
void SetNoDataValue( double dfNoDataValue );
|
||
|
|
const CPLString& GetResampling() const { return m_osResampling; }
|
||
|
|
void SetResampling( const char* pszResampling );
|
||
|
|
|
||
|
|
int GetSrcDstWindow( int, int, int, int, int, int,
|
||
|
|
double *pdfReqXOff, double *pdfReqYOff,
|
||
|
|
double *pdfReqXSize, double *pdfReqYSize,
|
||
|
|
int *, int *, int *, int *,
|
||
|
|
int *, int *, int *, int * );
|
||
|
|
|
||
|
|
virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void *pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
virtual double GetMinimum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual double GetMaximum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual CPLErr ComputeRasterMinMax( int nXSize, int nYSize, int bApproxOK, double* adfMinMax );
|
||
|
|
virtual CPLErr ComputeStatistics( int nXSize, int nYSize,
|
||
|
|
int bApproxOK,
|
||
|
|
double *pdfMin, double *pdfMax,
|
||
|
|
double *pdfMean, double *pdfStdDev,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
virtual CPLErr GetHistogram( int nXSize, int nYSize,
|
||
|
|
double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
|
||
|
|
void DstToSrc( double dfX, double dfY,
|
||
|
|
double &dfXOut, double &dfYOut );
|
||
|
|
void SrcToDst( double dfX, double dfY,
|
||
|
|
double &dfXOut, double &dfYOut );
|
||
|
|
|
||
|
|
virtual void GetFileList(char*** ppapszFileList, int *pnSize,
|
||
|
|
int *pnMaxSize, CPLHashSet* hSetFiles);
|
||
|
|
|
||
|
|
virtual int IsSimpleSource() { return TRUE; }
|
||
|
|
virtual const char* GetType() { return "SimpleSource"; }
|
||
|
|
|
||
|
|
GDALRasterBand* GetBand();
|
||
|
|
int IsSameExceptBandNumber(VRTSimpleSource* poOtherSource);
|
||
|
|
CPLErr DatasetRasterIO(
|
||
|
|
int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void * pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
int nBandCount, int *panBandMap,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GSpacing nBandSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg);
|
||
|
|
|
||
|
|
void UnsetPreservedRelativeFilenames();
|
||
|
|
|
||
|
|
void SetMaxValue(int nVal) { m_nMaxValue = nVal; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTAveragedSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTAveragedSource : public VRTSimpleSource
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
VRTAveragedSource();
|
||
|
|
virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void *pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
virtual double GetMinimum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual double GetMaximum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual CPLErr ComputeRasterMinMax( int nXSize, int nYSize, int bApproxOK, double* adfMinMax );
|
||
|
|
virtual CPLErr ComputeStatistics( int nXSize, int nYSize,
|
||
|
|
int bApproxOK,
|
||
|
|
double *pdfMin, double *pdfMax,
|
||
|
|
double *pdfMean, double *pdfStdDev,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
virtual CPLErr GetHistogram( int nXSize, int nYSize,
|
||
|
|
double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
virtual const char* GetType() { return "AveragedSource"; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTComplexSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
VRT_SCALING_NONE,
|
||
|
|
VRT_SCALING_LINEAR,
|
||
|
|
VRT_SCALING_EXPONENTIAL,
|
||
|
|
} VRTComplexSourceScaling;
|
||
|
|
|
||
|
|
class CPL_DLL VRTComplexSource : public VRTSimpleSource
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
VRTComplexSourceScaling m_eScalingType;
|
||
|
|
double m_dfScaleOff; /* for linear scaling */
|
||
|
|
double m_dfScaleRatio; /* for linear scaling */
|
||
|
|
|
||
|
|
/* For non-linear scaling with a power function. */
|
||
|
|
int m_bSrcMinMaxDefined;
|
||
|
|
double m_dfSrcMin;
|
||
|
|
double m_dfSrcMax;
|
||
|
|
double m_dfDstMin;
|
||
|
|
double m_dfDstMax;
|
||
|
|
double m_dfExponent;
|
||
|
|
|
||
|
|
int m_nColorTableComponent;
|
||
|
|
|
||
|
|
template <class WorkingDT>
|
||
|
|
CPLErr RasterIOInternal( int nReqXOff, int nReqYOff,
|
||
|
|
int nReqXSize, int nReqYSize,
|
||
|
|
void *pData, int nOutXSize, int nOutYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg,
|
||
|
|
GDALDataType eWrkDataType );
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTComplexSource();
|
||
|
|
VRTComplexSource(const VRTComplexSource* poSrcSource,
|
||
|
|
double dfXDstRatio, double dfYDstRatio);
|
||
|
|
virtual ~VRTComplexSource();
|
||
|
|
|
||
|
|
virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void *pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
virtual double GetMinimum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual double GetMaximum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual CPLErr ComputeRasterMinMax( int nXSize, int nYSize, int bApproxOK, double* adfMinMax );
|
||
|
|
virtual CPLErr ComputeStatistics( int nXSize, int nYSize,
|
||
|
|
int bApproxOK,
|
||
|
|
double *pdfMin, double *pdfMax,
|
||
|
|
double *pdfMean, double *pdfStdDev,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
virtual CPLErr GetHistogram( int nXSize, int nYSize,
|
||
|
|
double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char * );
|
||
|
|
virtual const char* GetType() { return "ComplexSource"; }
|
||
|
|
|
||
|
|
double LookupValue( double dfInput );
|
||
|
|
|
||
|
|
void SetLinearScaling(double dfOffset, double dfScale);
|
||
|
|
void SetPowerScaling(double dfExponent,
|
||
|
|
double dfSrcMin,
|
||
|
|
double dfSrcMax,
|
||
|
|
double dfDstMin,
|
||
|
|
double dfDstMax);
|
||
|
|
void SetColorTableComponent(int nComponent);
|
||
|
|
|
||
|
|
double *m_padfLUTInputs;
|
||
|
|
double *m_padfLUTOutputs;
|
||
|
|
int m_nLUTItemCount;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTFilteredSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTFilteredSource : public VRTComplexSource
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
int IsTypeSupported( GDALDataType eType );
|
||
|
|
|
||
|
|
protected:
|
||
|
|
int m_nSupportedTypesCount;
|
||
|
|
GDALDataType m_aeSupportedTypes[20];
|
||
|
|
|
||
|
|
int m_nExtraEdgePixels;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTFilteredSource();
|
||
|
|
virtual ~VRTFilteredSource();
|
||
|
|
|
||
|
|
void SetExtraEdgePixels( int );
|
||
|
|
void SetFilteringDataTypesSupported( int, GDALDataType * );
|
||
|
|
|
||
|
|
virtual CPLErr FilterData( int nXSize, int nYSize, GDALDataType eType,
|
||
|
|
GByte *pabySrcData, GByte *pabyDstData ) = 0;
|
||
|
|
|
||
|
|
virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void *pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTKernelFilteredSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTKernelFilteredSource : public VRTFilteredSource
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
int m_nKernelSize;
|
||
|
|
|
||
|
|
double *m_padfKernelCoefs;
|
||
|
|
|
||
|
|
int m_bNormalized;
|
||
|
|
|
||
|
|
public:
|
||
|
|
VRTKernelFilteredSource();
|
||
|
|
virtual ~VRTKernelFilteredSource();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *psTree, const char * );
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr FilterData( int nXSize, int nYSize, GDALDataType eType,
|
||
|
|
GByte *pabySrcData, GByte *pabyDstData );
|
||
|
|
|
||
|
|
CPLErr SetKernel( int nKernelSize, double *padfCoefs );
|
||
|
|
void SetNormalized( int );
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTAverageFilteredSource */
|
||
|
|
/************************************************************************/
|
||
|
|
|
||
|
|
class VRTAverageFilteredSource : public VRTKernelFilteredSource
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
explicit VRTAverageFilteredSource( int nKernelSize );
|
||
|
|
virtual ~VRTAverageFilteredSource();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *psTree, const char * );
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
};
|
||
|
|
|
||
|
|
/************************************************************************/
|
||
|
|
/* VRTFuncSource */
|
||
|
|
/************************************************************************/
|
||
|
|
class VRTFuncSource : public VRTSource
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
VRTFuncSource();
|
||
|
|
virtual ~VRTFuncSource();
|
||
|
|
|
||
|
|
virtual CPLErr XMLInit( CPLXMLNode *, const char *) { return CE_Failure; }
|
||
|
|
virtual CPLXMLNode *SerializeToXML( const char *pszVRTPath );
|
||
|
|
|
||
|
|
virtual CPLErr RasterIO( int nXOff, int nYOff, int nXSize, int nYSize,
|
||
|
|
void *pData, int nBufXSize, int nBufYSize,
|
||
|
|
GDALDataType eBufType,
|
||
|
|
GSpacing nPixelSpace, GSpacing nLineSpace,
|
||
|
|
GDALRasterIOExtraArg* psExtraArg );
|
||
|
|
|
||
|
|
virtual double GetMinimum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual double GetMaximum( int nXSize, int nYSize, int *pbSuccess );
|
||
|
|
virtual CPLErr ComputeRasterMinMax( int nXSize, int nYSize, int bApproxOK, double* adfMinMax );
|
||
|
|
virtual CPLErr ComputeStatistics( int nXSize, int nYSize,
|
||
|
|
int bApproxOK,
|
||
|
|
double *pdfMin, double *pdfMax,
|
||
|
|
double *pdfMean, double *pdfStdDev,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
virtual CPLErr GetHistogram( int nXSize, int nYSize,
|
||
|
|
double dfMin, double dfMax,
|
||
|
|
int nBuckets, GUIntBig * panHistogram,
|
||
|
|
int bIncludeOutOfRange, int bApproxOK,
|
||
|
|
GDALProgressFunc pfnProgress, void *pProgressData );
|
||
|
|
|
||
|
|
VRTImageReadFunc pfnReadFunc;
|
||
|
|
void *pCBData;
|
||
|
|
GDALDataType eType;
|
||
|
|
|
||
|
|
float fNoDataValue;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* ndef VIRTUALDATASET_H_INCLUDED */
|