void object::test<2>() { ensure("SRS handle is NULL", NULL != srs_); const char* wkt = "\"\"PROJCS[\"unnamed\",GEOGCS[\"NAD27\"," "DATUM[\"North_American_Datum_1927\"," "SPHEROID[\"Clarke 1866\",6378206.4,294.9786982139006," "AUTHORITY[\"EPSG\",\"7008\"]],AUTHORITY[\"EPSG\",\"6267\"]]," "PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433]," "AUTHORITY[\"EPSG\",\"4267\"]],PROJECTION[\"Lambert_Conformal_Conic_2SP\"]," "PARAMETER[\"standard_parallel_1\",33.90363402777778]," "PARAMETER[\"standard_parallel_2\",33.62529002777778]," "PARAMETER[\"latitude_of_origin\",33.76446202777777]," "PARAMETER[\"central_meridian\",-117.4745428888889]," "PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0]," "UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]]]\"\""; err_ = OSRImportFromWkt(srs_, (char**) &wkt); ensure_equals("Can't import Lambert Conformal Conic projection", err_, OGRERR_NONE); char* proj = NULL; char* units = NULL; double* params = NULL; const int size = 17; err_ = OSRExportToPCI(srs_, &proj, &units, ¶ms); ensure_equals("OSRExportToPCI() failed", err_, OGRERR_NONE); ensure_equals("Invalid projection definition", std::string(proj), std::string("LCC D-01")); ensure_equals("Invalid projection units", std::string(units), std::string("METRE")); const double maxError = 0.0000005; ensure("Invalid 2nd projection parameter", std::fabs(params[2] - (-117.4745429)) <= maxError); ensure("Invalid 3rd projection parameter", std::fabs(params[3] - 33.76446203) <= maxError); ensure("Invalid 4th projection parameter", std::fabs(params[4] - 33.90363403) <= maxError); ensure("Invalid 5th projection parameter", std::fabs(params[5] - 33.62529003) <= maxError); CPLFree(proj); CPLFree(units); CPLFree(params); }
static QString _setSourceCrsFromWKT(const QString& wkt) { QString ret; OGRSpatialReferenceH hSRS = OSRNewSpatialReference(NULL); QByteArray arr = wkt.toUtf8(); const char* raw_data = arr.constData(); if (OSRImportFromWkt(hSRS, const_cast<char**>(&raw_data)) == OGRERR_NONE) { char * ppszReturn = 0; if (OSRExportToProj4(hSRS, &ppszReturn) == OGRERR_NONE && ppszReturn != 0) { ret = ppszReturn; } } OSRDestroySpatialReference(hSRS); return ret; }
bool QgsCoordinateReferenceSystem::createFromWkt( QString theWkt ) { mIsValidFlag = false; if ( theWkt.isEmpty() ) { QgsDebugMsg( "theWkt is uninitialised, operation failed" ); return mIsValidFlag; } QgsDebugMsg( "QgsCoordinateReferenceSystem::createFromWkt(QString theWkt) using: " + theWkt ); QByteArray ba = theWkt.toLatin1(); const char *pWkt = ba.data(); OGRErr myInputResult = OSRImportFromWkt( mCRS, ( char ** ) & pWkt ); if ( myInputResult != OGRERR_NONE ) { QgsDebugMsg( "\n---------------------------------------------------------------" ); QgsDebugMsg( "This CRS could *** NOT *** be set from the supplied Wkt " ); QgsDebugMsg( "INPUT: " + theWkt ); QgsDebugMsg( QString( "UNUSED WKT: %1" ).arg( pWkt ) ); QgsDebugMsg( "---------------------------------------------------------------\n" ); return mIsValidFlag; } // always morph from esri as it doesn't hurt anything // FW: Hey, that's not right! It can screw stuff up! Disable //myOgrSpatialRef.morphFromESRI(); // create the proj4 structs needed for transforming char *proj4src = NULL; OSRExportToProj4( mCRS, &proj4src ); //now that we have the proj4string, delegate to createFromProj4 so // that we can try to fill in the remaining class members... //create from Proj will set the isValidFlag createFromProj4( QString( proj4src ) ); CPLFree( proj4src ); return mIsValidFlag; //setMapunits will be called by createfromproj above }
int main( int argc, char ** argv ) { GDALDatasetH hDataset; GDALRasterBandH hBand; int i, iBand; double adfGeoTransform[6]; GDALDriverH hDriver; char **papszMetadata; int bComputeMinMax = FALSE; if( !GDALBridgeInitialize( "..", stderr ) ) { fprintf( stderr, "Unable to intiailize GDAL bridge.\n" ); exit( 10 ); } if( argc > 1 && strcmp(argv[1],"-mm") == 0 ) { bComputeMinMax = TRUE; argv++; } GDALAllRegister(); hDataset = GDALOpen( argv[1], GA_ReadOnly ); if( hDataset == NULL ) { fprintf( stderr, "GDALOpen failed - %d\n%s\n", CPLGetLastErrorNo(), CPLGetLastErrorMsg() ); exit( 1 ); } /* -------------------------------------------------------------------- */ /* Report general info. */ /* -------------------------------------------------------------------- */ hDriver = GDALGetDatasetDriver( hDataset ); printf( "Driver: %s/%s\n", GDALGetDriverShortName( hDriver ), GDALGetDriverLongName( hDriver ) ); printf( "Size is %d, %d\n", GDALGetRasterXSize( hDataset ), GDALGetRasterYSize( hDataset ) ); /* -------------------------------------------------------------------- */ /* Report projection. */ /* -------------------------------------------------------------------- */ if( GDALGetProjectionRef( hDataset ) != NULL ) { OGRSpatialReferenceH hSRS; char *pszProjection; pszProjection = (char *) GDALGetProjectionRef( hDataset ); hSRS = OSRNewSpatialReference(NULL); if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None ) { char *pszPrettyWkt = NULL; OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE ); printf( "Coordinate System is:\n%s\n", pszPrettyWkt ); } else printf( "Coordinate System is `%s'\n", GDALGetProjectionRef( hDataset ) ); OSRDestroySpatialReference( hSRS ); } /* -------------------------------------------------------------------- */ /* Report Geotransform. */ /* -------------------------------------------------------------------- */ if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) { printf( "Origin = (%.6f,%.6f)\n", adfGeoTransform[0], adfGeoTransform[3] ); printf( "Pixel Size = (%.6f,%.6f)\n", adfGeoTransform[1], adfGeoTransform[5] ); } /* -------------------------------------------------------------------- */ /* Report GCPs. */ /* -------------------------------------------------------------------- */ if( GDALGetGCPCount( hDataset ) > 0 ) { printf( "GCP Projection = %s\n", GDALGetGCPProjection(hDataset) ); for( i = 0; i < GDALGetGCPCount(hDataset); i++ ) { const GDAL_GCP *psGCP; psGCP = GDALGetGCPs( hDataset ) + i; printf( "GCP[%3d]: Id=%s, Info=%s\n" " (%g,%g) -> (%g,%g,%g)\n", i, psGCP->pszId, psGCP->pszInfo, psGCP->dfGCPPixel, psGCP->dfGCPLine, psGCP->dfGCPX, psGCP->dfGCPY, psGCP->dfGCPZ ); } } /* -------------------------------------------------------------------- */ /* Report metadata. */ /* -------------------------------------------------------------------- */ papszMetadata = GDALGetMetadata( hDataset, NULL ); if( papszMetadata != NULL ) { printf( "Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Report subdatasets. */ /* -------------------------------------------------------------------- */ papszMetadata = GDALGetMetadata( hDataset, "SUBDATASETS" ); if( papszMetadata != NULL ) { printf( "Subdatasets:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Report corners. */ /* -------------------------------------------------------------------- */ printf( "Corner Coordinates:\n" ); GDALInfoReportCorner( hDataset, "Upper Left", 0.0, 0.0 ); GDALInfoReportCorner( hDataset, "Lower Left", 0.0, GDALGetRasterYSize(hDataset)); GDALInfoReportCorner( hDataset, "Upper Right", GDALGetRasterXSize(hDataset), 0.0 ); GDALInfoReportCorner( hDataset, "Lower Right", GDALGetRasterXSize(hDataset), GDALGetRasterYSize(hDataset) ); GDALInfoReportCorner( hDataset, "Center", GDALGetRasterXSize(hDataset)/2.0, GDALGetRasterYSize(hDataset)/2.0 ); /* ==================================================================== */ /* Loop over bands. */ /* ==================================================================== */ for( iBand = 0; iBand < GDALGetRasterCount( hDataset ); iBand++ ) { double dfMin, dfMax, adfCMinMax[2], dfNoData; int bGotMin, bGotMax, bGotNodata; int nBlockXSize, nBlockYSize; hBand = GDALGetRasterBand( hDataset, iBand+1 ); GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize ); printf( "Band %d Block=%dx%d Type=%d, ColorInterp=%d\n", iBand+1, nBlockXSize, nBlockYSize, GDALGetRasterDataType(hBand), GDALGetRasterColorInterpretation(hBand) ); dfMin = GDALGetRasterMinimum( hBand, &bGotMin ); dfMax = GDALGetRasterMaximum( hBand, &bGotMax ); printf( " Min=%.3f/%d, Max=%.3f/%d", dfMin, bGotMin, dfMax, bGotMax); if( bComputeMinMax ) { GDALComputeRasterMinMax( hBand, TRUE, adfCMinMax ); printf( ", Computed Min/Max=%.3f,%.3f", adfCMinMax[0], adfCMinMax[1] ); } printf( "\n" ); dfNoData = GDALGetRasterNoDataValue( hBand, &bGotNodata ); if( bGotNodata ) { printf( " NoData Value=%g\n", dfNoData ); } if( GDALGetOverviewCount(hBand) > 0 ) { int iOverview; printf( " Overviews: " ); for( iOverview = 0; iOverview < GDALGetOverviewCount(hBand); iOverview++ ) { GDALRasterBandH hOverview; if( iOverview != 0 ) printf( ", " ); hOverview = GDALGetOverview( hBand, iOverview ); printf( "%dx%d", GDALGetRasterBandXSize( hOverview ), GDALGetRasterBandYSize( hOverview ) ); } printf( "\n" ); } papszMetadata = GDALGetMetadata( hBand, NULL ); if( papszMetadata != NULL ) { printf( "Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } if( GDALGetRasterColorInterpretation(hBand) == GCI_PaletteIndex ) { GDALColorTableH hTable; int i; hTable = GDALGetRasterColorTable( hBand ); printf( " Color Table (%s with %d entries)\n", GDALGetPaletteInterpretationName( GDALGetPaletteInterpretation( hTable )), GDALGetColorEntryCount( hTable ) ); for( i = 0; i < GDALGetColorEntryCount( hTable ); i++ ) { GDALColorEntry sEntry; GDALGetColorEntryAsRGB( hTable, i, &sEntry ); printf( " %3d: %d,%d,%d,%d\n", i, sEntry.c1, sEntry.c2, sEntry.c3, sEntry.c4 ); } } } GDALClose( hDataset ); exit( 0 ); }
static CPLErr ProcessLayer( OGRLayerH hSrcLayer, int bSRSIsSet, GDALDatasetH hDstDS, std::vector<int> anBandList, const std::vector<double> &adfBurnValues, int b3D, int bInverse, const char *pszBurnAttribute, char **papszRasterizeOptions, GDALProgressFunc pfnProgress, void* pProgressData ) { /* -------------------------------------------------------------------- */ /* Checkout that SRS are the same. */ /* If -a_srs is specified, skip the test */ /* -------------------------------------------------------------------- */ OGRCoordinateTransformationH hCT = NULL; if (!bSRSIsSet) { OGRSpatialReferenceH hDstSRS = NULL; if( GDALGetProjectionRef( hDstDS ) != NULL ) { char *pszProjection; pszProjection = (char *) GDALGetProjectionRef( hDstDS ); hDstSRS = OSRNewSpatialReference(NULL); if( OSRImportFromWkt( hDstSRS, &pszProjection ) != OGRERR_NONE ) { OSRDestroySpatialReference(hDstSRS); hDstSRS = NULL; } } OGRSpatialReferenceH hSrcSRS = OGR_L_GetSpatialRef(hSrcLayer); if( hDstSRS != NULL && hSrcSRS != NULL ) { if( OSRIsSame(hSrcSRS, hDstSRS) == FALSE ) { hCT = OCTNewCoordinateTransformation(hSrcSRS, hDstSRS); if( hCT == NULL ) { CPLError(CE_Warning, CPLE_AppDefined, "The output raster dataset and the input vector layer do not have the same SRS.\n" "And reprojection of input data did not work. Results might be incorrect."); } } } else if( hDstSRS != NULL && hSrcSRS == NULL ) { CPLError(CE_Warning, CPLE_AppDefined, "The output raster dataset has a SRS, but the input vector layer SRS is unknown.\n" "Ensure input vector has the same SRS, otherwise results might be incorrect."); } else if( hDstSRS == NULL && hSrcSRS != NULL ) { CPLError(CE_Warning, CPLE_AppDefined, "The input vector layer has a SRS, but the output raster dataset SRS is unknown.\n" "Ensure output raster dataset has the same SRS, otherwise results might be incorrect."); } if( hDstSRS != NULL ) { OSRDestroySpatialReference(hDstSRS); } } /* -------------------------------------------------------------------- */ /* Get field index, and check. */ /* -------------------------------------------------------------------- */ int iBurnField = -1; if( pszBurnAttribute ) { iBurnField = OGR_FD_GetFieldIndex( OGR_L_GetLayerDefn( hSrcLayer ), pszBurnAttribute ); if( iBurnField == -1 ) { CPLError(CE_Failure, CPLE_AppDefined, "Failed to find field %s on layer %s, skipping.", pszBurnAttribute, OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) ); if( hCT != NULL ) OCTDestroyCoordinateTransformation(hCT); return CE_Failure; } } /* -------------------------------------------------------------------- */ /* Collect the geometries from this layer, and build list of */ /* burn values. */ /* -------------------------------------------------------------------- */ OGRFeatureH hFeat; std::vector<OGRGeometryH> ahGeometries; std::vector<double> adfFullBurnValues; OGR_L_ResetReading( hSrcLayer ); while( (hFeat = OGR_L_GetNextFeature( hSrcLayer )) != NULL ) { OGRGeometryH hGeom; if( OGR_F_GetGeometryRef( hFeat ) == NULL ) { OGR_F_Destroy( hFeat ); continue; } hGeom = OGR_G_Clone( OGR_F_GetGeometryRef( hFeat ) ); if( hCT != NULL ) { if( OGR_G_Transform(hGeom, hCT) != OGRERR_NONE ) { OGR_F_Destroy( hFeat ); OGR_G_DestroyGeometry(hGeom); continue; } } ahGeometries.push_back( hGeom ); for( unsigned int iBand = 0; iBand < anBandList.size(); iBand++ ) { if( adfBurnValues.size() > 0 ) adfFullBurnValues.push_back( adfBurnValues[MIN(iBand,adfBurnValues.size()-1)] ); else if( pszBurnAttribute ) { adfFullBurnValues.push_back( OGR_F_GetFieldAsDouble( hFeat, iBurnField ) ); } /* I have made the 3D option exclusive to other options since it can be used to modify the value from "-burn value" or "-a attribute_name" */ if( b3D ) { // TODO: get geometry "z" value /* Points and Lines will have their "z" values collected at the point and line levels respectively. However filled polygons (GDALdllImageFilledPolygon) can use some help by getting their "z" values here. */ adfFullBurnValues.push_back( 0.0 ); } } OGR_F_Destroy( hFeat ); } if( hCT != NULL ) OCTDestroyCoordinateTransformation(hCT); /* -------------------------------------------------------------------- */ /* If we are in inverse mode, we add one extra ring around the */ /* whole dataset to invert the concept of insideness and then */ /* merge everything into one geometry collection. */ /* -------------------------------------------------------------------- */ if( bInverse ) { if( ahGeometries.size() == 0 ) { for( unsigned int iBand = 0; iBand < anBandList.size(); iBand++ ) { if( adfBurnValues.size() > 0 ) adfFullBurnValues.push_back( adfBurnValues[MIN(iBand,adfBurnValues.size()-1)] ); else /* FIXME? Not sure what to do exactly in the else case, but we must insert a value */ adfFullBurnValues.push_back( 0.0 ); } } InvertGeometries( hDstDS, ahGeometries ); } /* -------------------------------------------------------------------- */ /* Perform the burn. */ /* -------------------------------------------------------------------- */ CPLErr eErr = GDALRasterizeGeometries( hDstDS, static_cast<int>(anBandList.size()), &(anBandList[0]), static_cast<int>(ahGeometries.size()), &(ahGeometries[0]), NULL, NULL, &(adfFullBurnValues[0]), papszRasterizeOptions, pfnProgress, pProgressData ); /* -------------------------------------------------------------------- */ /* Cleanup geometries. */ /* -------------------------------------------------------------------- */ int iGeom; for( iGeom = static_cast<int>(ahGeometries.size())-1; iGeom >= 0; iGeom-- ) OGR_G_DestroyGeometry( ahGeometries[iGeom] ); return eErr; }
int main( int argc, char ** argv ) { GDALDatasetH hDataset; GDALRasterBandH hBand; int i, iBand; double adfGeoTransform[6]; GDALDriverH hDriver; char **papszMetadata; int bComputeMinMax = FALSE, bSample = FALSE; int bShowGCPs = TRUE, bShowMetadata = TRUE, bShowRAT=TRUE; int bStats = FALSE, bApproxStats = TRUE, iMDD; int bShowColorTable = TRUE, bComputeChecksum = FALSE; int bReportHistograms = FALSE; const char *pszFilename = NULL; char **papszExtraMDDomains = NULL, **papszFileList; const char *pszProjection = NULL; OGRCoordinateTransformationH hTransform = NULL; /* Check that we are running against at least GDAL 1.5 */ /* Note to developers : if we use newer API, please change the requirement */ if (atoi(GDALVersionInfo("VERSION_NUM")) < 1500) { fprintf(stderr, "At least, GDAL >= 1.5.0 is required for this version of %s, " "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME); exit(1); } /* Must process GDAL_SKIP before GDALAllRegister(), but we can't call */ /* GDALGeneralCmdLineProcessor before it needs the drivers to be registered */ /* for the --format or --formats options */ for( i = 1; i < argc; i++ ) { if( EQUAL(argv[i],"--config") && i + 2 < argc && EQUAL(argv[i + 1], "GDAL_SKIP") ) { CPLSetConfigOption( argv[i+1], argv[i+2] ); i += 2; } } GDALAllRegister(); argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 ); if( argc < 1 ) exit( -argc ); /* -------------------------------------------------------------------- */ /* Parse arguments. */ /* -------------------------------------------------------------------- */ for( i = 1; i < argc; i++ ) { if( EQUAL(argv[i], "--utility_version") ) { printf("%s was compiled against GDAL %s and is running against GDAL %s\n", argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME")); return 0; } else if( EQUAL(argv[i], "-mm") ) bComputeMinMax = TRUE; else if( EQUAL(argv[i], "-hist") ) bReportHistograms = TRUE; else if( EQUAL(argv[i], "-stats") ) { bStats = TRUE; bApproxStats = FALSE; } else if( EQUAL(argv[i], "-approx_stats") ) { bStats = TRUE; bApproxStats = TRUE; } else if( EQUAL(argv[i], "-sample") ) bSample = TRUE; else if( EQUAL(argv[i], "-checksum") ) bComputeChecksum = TRUE; else if( EQUAL(argv[i], "-nogcp") ) bShowGCPs = FALSE; else if( EQUAL(argv[i], "-nomd") ) bShowMetadata = FALSE; else if( EQUAL(argv[i], "-norat") ) bShowRAT = FALSE; else if( EQUAL(argv[i], "-noct") ) bShowColorTable = FALSE; else if( EQUAL(argv[i], "-mdd") && i < argc-1 ) papszExtraMDDomains = CSLAddString( papszExtraMDDomains, argv[++i] ); else if( argv[i][0] == '-' ) Usage(); else if( pszFilename == NULL ) pszFilename = argv[i]; else Usage(); } if( pszFilename == NULL ) Usage(); /* -------------------------------------------------------------------- */ /* Open dataset. */ /* -------------------------------------------------------------------- */ hDataset = GDALOpen( pszFilename, GA_ReadOnly ); if( hDataset == NULL ) { fprintf( stderr, "gdalinfo failed - unable to open '%s'.\n", pszFilename ); CSLDestroy( argv ); GDALDumpOpenDatasets( stderr ); GDALDestroyDriverManager(); CPLDumpSharedList( NULL ); exit( 1 ); } /* -------------------------------------------------------------------- */ /* Report general info. */ /* -------------------------------------------------------------------- */ hDriver = GDALGetDatasetDriver( hDataset ); printf( "Driver: %s/%s\n", GDALGetDriverShortName( hDriver ), GDALGetDriverLongName( hDriver ) ); papszFileList = GDALGetFileList( hDataset ); if( CSLCount(papszFileList) == 0 ) { printf( "Files: none associated\n" ); } else { printf( "Files: %s\n", papszFileList[0] ); for( i = 1; papszFileList[i] != NULL; i++ ) printf( " %s\n", papszFileList[i] ); } CSLDestroy( papszFileList ); printf( "Size is %d, %d\n", GDALGetRasterXSize( hDataset ), GDALGetRasterYSize( hDataset ) ); /* -------------------------------------------------------------------- */ /* Report projection. */ /* -------------------------------------------------------------------- */ if( GDALGetProjectionRef( hDataset ) != NULL ) { OGRSpatialReferenceH hSRS; char *pszProjection; pszProjection = (char *) GDALGetProjectionRef( hDataset ); hSRS = OSRNewSpatialReference(NULL); if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None ) { char *pszPrettyWkt = NULL; OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE ); printf( "Coordinate System is:\n%s\n", pszPrettyWkt ); CPLFree( pszPrettyWkt ); } else printf( "Coordinate System is `%s'\n", GDALGetProjectionRef( hDataset ) ); OSRDestroySpatialReference( hSRS ); } /* -------------------------------------------------------------------- */ /* Report Geotransform. */ /* -------------------------------------------------------------------- */ if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) { if( adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0 ) { printf( "Origin = (%.15f,%.15f)\n", adfGeoTransform[0], adfGeoTransform[3] ); printf( "Pixel Size = (%.15f,%.15f)\n", adfGeoTransform[1], adfGeoTransform[5] ); } else printf( "GeoTransform =\n" " %.16g, %.16g, %.16g\n" " %.16g, %.16g, %.16g\n", adfGeoTransform[0], adfGeoTransform[1], adfGeoTransform[2], adfGeoTransform[3], adfGeoTransform[4], adfGeoTransform[5] ); } /* -------------------------------------------------------------------- */ /* Report GCPs. */ /* -------------------------------------------------------------------- */ if( bShowGCPs && GDALGetGCPCount( hDataset ) > 0 ) { if (GDALGetGCPProjection(hDataset) != NULL) { OGRSpatialReferenceH hSRS; char *pszProjection; pszProjection = (char *) GDALGetGCPProjection( hDataset ); hSRS = OSRNewSpatialReference(NULL); if( OSRImportFromWkt( hSRS, &pszProjection ) == CE_None ) { char *pszPrettyWkt = NULL; OSRExportToPrettyWkt( hSRS, &pszPrettyWkt, FALSE ); printf( "GCP Projection = \n%s\n", pszPrettyWkt ); CPLFree( pszPrettyWkt ); } else printf( "GCP Projection = %s\n", GDALGetGCPProjection( hDataset ) ); OSRDestroySpatialReference( hSRS ); } for( i = 0; i < GDALGetGCPCount(hDataset); i++ ) { const GDAL_GCP *psGCP; psGCP = GDALGetGCPs( hDataset ) + i; printf( "GCP[%3d]: Id=%s, Info=%s\n" " (%.15g,%.15g) -> (%.15g,%.15g,%.15g)\n", i, psGCP->pszId, psGCP->pszInfo, psGCP->dfGCPPixel, psGCP->dfGCPLine, psGCP->dfGCPX, psGCP->dfGCPY, psGCP->dfGCPZ ); } } /* -------------------------------------------------------------------- */ /* Report metadata. */ /* -------------------------------------------------------------------- */ papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, NULL ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( "Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } for( iMDD = 0; bShowMetadata && iMDD < CSLCount(papszExtraMDDomains); iMDD++ ) { papszMetadata = GDALGetMetadata( hDataset, papszExtraMDDomains[iMDD] ); if( CSLCount(papszMetadata) > 0 ) { printf( "Metadata (%s):\n", papszExtraMDDomains[iMDD]); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } } /* -------------------------------------------------------------------- */ /* Report "IMAGE_STRUCTURE" metadata. */ /* -------------------------------------------------------------------- */ papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "IMAGE_STRUCTURE" ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( "Image Structure Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Report subdatasets. */ /* -------------------------------------------------------------------- */ papszMetadata = GDALGetMetadata( hDataset, "SUBDATASETS" ); if( CSLCount(papszMetadata) > 0 ) { printf( "Subdatasets:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Report geolocation. */ /* -------------------------------------------------------------------- */ papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "GEOLOCATION" ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( "Geolocation:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Report RPCs */ /* -------------------------------------------------------------------- */ papszMetadata = (bShowMetadata) ? GDALGetMetadata( hDataset, "RPC" ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( "RPC Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } /* -------------------------------------------------------------------- */ /* Setup projected to lat/long transform if appropriate. */ /* -------------------------------------------------------------------- */ if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) pszProjection = GDALGetProjectionRef(hDataset); if( pszProjection != NULL && strlen(pszProjection) > 0 ) { OGRSpatialReferenceH hProj, hLatLong = NULL; hProj = OSRNewSpatialReference( pszProjection ); if( hProj != NULL ) hLatLong = OSRCloneGeogCS( hProj ); if( hLatLong != NULL ) { CPLPushErrorHandler( CPLQuietErrorHandler ); hTransform = OCTNewCoordinateTransformation( hProj, hLatLong ); CPLPopErrorHandler(); OSRDestroySpatialReference( hLatLong ); } if( hProj != NULL ) OSRDestroySpatialReference( hProj ); } /* -------------------------------------------------------------------- */ /* Report corners. */ /* -------------------------------------------------------------------- */ printf( "Corner Coordinates:\n" ); GDALInfoReportCorner( hDataset, hTransform, "Upper Left", 0.0, 0.0 ); GDALInfoReportCorner( hDataset, hTransform, "Lower Left", 0.0, GDALGetRasterYSize(hDataset)); GDALInfoReportCorner( hDataset, hTransform, "Upper Right", GDALGetRasterXSize(hDataset), 0.0 ); GDALInfoReportCorner( hDataset, hTransform, "Lower Right", GDALGetRasterXSize(hDataset), GDALGetRasterYSize(hDataset) ); GDALInfoReportCorner( hDataset, hTransform, "Center", GDALGetRasterXSize(hDataset)/2.0, GDALGetRasterYSize(hDataset)/2.0 ); if( hTransform != NULL ) { OCTDestroyCoordinateTransformation( hTransform ); hTransform = NULL; } /* ==================================================================== */ /* Loop over bands. */ /* ==================================================================== */ for( iBand = 0; iBand < GDALGetRasterCount( hDataset ); iBand++ ) { double dfMin, dfMax, adfCMinMax[2], dfNoData; int bGotMin, bGotMax, bGotNodata, bSuccess; int nBlockXSize, nBlockYSize, nMaskFlags; double dfMean, dfStdDev; GDALColorTableH hTable; CPLErr eErr; hBand = GDALGetRasterBand( hDataset, iBand+1 ); if( bSample ) { float afSample[10000]; int nCount; nCount = GDALGetRandomRasterSample( hBand, 10000, afSample ); printf( "Got %d samples.\n", nCount ); } GDALGetBlockSize( hBand, &nBlockXSize, &nBlockYSize ); printf( "Band %d Block=%dx%d Type=%s, ColorInterp=%s\n", iBand+1, nBlockXSize, nBlockYSize, GDALGetDataTypeName( GDALGetRasterDataType(hBand)), GDALGetColorInterpretationName( GDALGetRasterColorInterpretation(hBand)) ); if( GDALGetDescription( hBand ) != NULL && strlen(GDALGetDescription( hBand )) > 0 ) printf( " Description = %s\n", GDALGetDescription(hBand) ); dfMin = GDALGetRasterMinimum( hBand, &bGotMin ); dfMax = GDALGetRasterMaximum( hBand, &bGotMax ); if( bGotMin || bGotMax || bComputeMinMax ) { printf( " " ); if( bGotMin ) printf( "Min=%.3f ", dfMin ); if( bGotMax ) printf( "Max=%.3f ", dfMax ); if( bComputeMinMax ) { CPLErrorReset(); GDALComputeRasterMinMax( hBand, FALSE, adfCMinMax ); if (CPLGetLastErrorType() == CE_None) { printf( " Computed Min/Max=%.3f,%.3f", adfCMinMax[0], adfCMinMax[1] ); } } printf( "\n" ); } eErr = GDALGetRasterStatistics( hBand, bApproxStats, bStats, &dfMin, &dfMax, &dfMean, &dfStdDev ); if( eErr == CE_None ) { printf( " Minimum=%.3f, Maximum=%.3f, Mean=%.3f, StdDev=%.3f\n", dfMin, dfMax, dfMean, dfStdDev ); } if( bReportHistograms ) { int nBucketCount, *panHistogram = NULL; eErr = GDALGetDefaultHistogram( hBand, &dfMin, &dfMax, &nBucketCount, &panHistogram, TRUE, GDALTermProgress, NULL ); if( eErr == CE_None ) { int iBucket; printf( " %d buckets from %g to %g:\n ", nBucketCount, dfMin, dfMax ); for( iBucket = 0; iBucket < nBucketCount; iBucket++ ) printf( "%d ", panHistogram[iBucket] ); printf( "\n" ); CPLFree( panHistogram ); } } if ( bComputeChecksum) { printf( " Checksum=%d\n", GDALChecksumImage(hBand, 0, 0, GDALGetRasterXSize(hDataset), GDALGetRasterYSize(hDataset))); } dfNoData = GDALGetRasterNoDataValue( hBand, &bGotNodata ); if( bGotNodata ) { printf( " NoData Value=%.18g\n", dfNoData ); } if( GDALGetOverviewCount(hBand) > 0 ) { int iOverview; printf( " Overviews: " ); for( iOverview = 0; iOverview < GDALGetOverviewCount(hBand); iOverview++ ) { GDALRasterBandH hOverview; const char *pszResampling = NULL; if( iOverview != 0 ) printf( ", " ); hOverview = GDALGetOverview( hBand, iOverview ); printf( "%dx%d", GDALGetRasterBandXSize( hOverview ), GDALGetRasterBandYSize( hOverview ) ); pszResampling = GDALGetMetadataItem( hOverview, "RESAMPLING", "" ); if( pszResampling != NULL && EQUALN(pszResampling,"AVERAGE_BIT2",12) ) printf( "*" ); } printf( "\n" ); if ( bComputeChecksum) { printf( " Overviews checksum: " ); for( iOverview = 0; iOverview < GDALGetOverviewCount(hBand); iOverview++ ) { GDALRasterBandH hOverview; if( iOverview != 0 ) printf( ", " ); hOverview = GDALGetOverview( hBand, iOverview ); printf( "%d", GDALChecksumImage(hOverview, 0, 0, GDALGetRasterBandXSize(hOverview), GDALGetRasterBandYSize(hOverview))); } printf( "\n" ); } } if( GDALHasArbitraryOverviews( hBand ) ) { printf( " Overviews: arbitrary\n" ); } nMaskFlags = GDALGetMaskFlags( hBand ); if( (nMaskFlags & (GMF_NODATA|GMF_ALL_VALID)) == 0 ) { GDALRasterBandH hMaskBand = GDALGetMaskBand(hBand) ; printf( " Mask Flags: " ); if( nMaskFlags & GMF_PER_DATASET ) printf( "PER_DATASET " ); if( nMaskFlags & GMF_ALPHA ) printf( "ALPHA " ); if( nMaskFlags & GMF_NODATA ) printf( "NODATA " ); if( nMaskFlags & GMF_ALL_VALID ) printf( "ALL_VALID " ); printf( "\n" ); if( hMaskBand != NULL && GDALGetOverviewCount(hMaskBand) > 0 ) { int iOverview; printf( " Overviews of mask band: " ); for( iOverview = 0; iOverview < GDALGetOverviewCount(hMaskBand); iOverview++ ) { GDALRasterBandH hOverview; if( iOverview != 0 ) printf( ", " ); hOverview = GDALGetOverview( hMaskBand, iOverview ); printf( "%dx%d", GDALGetRasterBandXSize( hOverview ), GDALGetRasterBandYSize( hOverview ) ); } printf( "\n" ); } } if( strlen(GDALGetRasterUnitType(hBand)) > 0 ) { printf( " Unit Type: %s\n", GDALGetRasterUnitType(hBand) ); } if( GDALGetRasterCategoryNames(hBand) != NULL ) { char **papszCategories = GDALGetRasterCategoryNames(hBand); int i; printf( " Categories:\n" ); for( i = 0; papszCategories[i] != NULL; i++ ) printf( " %3d: %s\n", i, papszCategories[i] ); } if( GDALGetRasterScale( hBand, &bSuccess ) != 1.0 || GDALGetRasterOffset( hBand, &bSuccess ) != 0.0 ) printf( " Offset: %.15g, Scale:%.15g\n", GDALGetRasterOffset( hBand, &bSuccess ), GDALGetRasterScale( hBand, &bSuccess ) ); papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, NULL ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( " Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } papszMetadata = (bShowMetadata) ? GDALGetMetadata( hBand, "IMAGE_STRUCTURE" ) : NULL; if( bShowMetadata && CSLCount(papszMetadata) > 0 ) { printf( " Image Structure Metadata:\n" ); for( i = 0; papszMetadata[i] != NULL; i++ ) { printf( " %s\n", papszMetadata[i] ); } } if( GDALGetRasterColorInterpretation(hBand) == GCI_PaletteIndex && (hTable = GDALGetRasterColorTable( hBand )) != NULL ) { int i; printf( " Color Table (%s with %d entries)\n", GDALGetPaletteInterpretationName( GDALGetPaletteInterpretation( hTable )), GDALGetColorEntryCount( hTable ) ); if (bShowColorTable) { for( i = 0; i < GDALGetColorEntryCount( hTable ); i++ ) { GDALColorEntry sEntry; GDALGetColorEntryAsRGB( hTable, i, &sEntry ); printf( " %3d: %d,%d,%d,%d\n", i, sEntry.c1, sEntry.c2, sEntry.c3, sEntry.c4 ); } } } if( bShowRAT && GDALGetDefaultRAT( hBand ) != NULL ) { GDALRasterAttributeTableH hRAT = GDALGetDefaultRAT( hBand ); GDALRATDumpReadable( hRAT, NULL ); } } GDALClose( hDataset ); CSLDestroy( papszExtraMDDomains ); CSLDestroy( argv ); GDALDumpOpenDatasets( stderr ); GDALDestroyDriverManager(); CPLDumpSharedList( NULL ); CPLCleanupTLS(); exit( 0 ); }
int main(int argc, char *argv[]) { GDALDatasetH hDataset = NULL; OGRDataSourceH hDS = NULL; OGRSFDriverH *pahDriver = NULL; OGRLayerH hLR = NULL; OGREnvelope hEnv; double adfGeoTransform[6]; int columns, lines; double minx, miny, maxx, maxy, x, y, z; register int i; FILE *fin=NULL; if(argc != 2) { printf("Usage: geo_extents <input file>\n"); return 1; } GDALAllRegister(); OGRRegisterAll(); char *egsa = "PROJCS[\"GGRS87 / Greek Grid\",GEOGCS[\"GGRS87\",DATUM[\"Greek_Geodetic_Reference_System_1987\",SPHEROID[\"GRS 1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[-199.87,74.79,246.62,0,0,0,0],AUTHORITY[\"EPSG\",\"6121\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4121\"]],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",24],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],AUTHORITY[\"EPSG\",\"2100\"],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH]]"; char *wgs = "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]"; OGRSpatialReferenceH oSourceSRS; OGRSpatialReferenceH oTargetSRS; oSourceSRS = OSRNewSpatialReference(NULL); oTargetSRS = OSRNewSpatialReference(NULL); OSRImportFromWkt(oSourceSRS, &egsa); OSRImportFromWkt(oTargetSRS, &wgs); OGRCoordinateTransformationH poCT; poCT = OCTNewCoordinateTransformation(oSourceSRS, oTargetSRS); hDataset = GDALOpen(argv[1], GA_ReadOnly); if(hDataset != NULL)//It is raster { columns = GDALGetRasterXSize(hDataset); lines = GDALGetRasterYSize(hDataset); if(GDALGetGeoTransform(hDataset, adfGeoTransform) == CE_None) { minx = (adfGeoTransform[0] - (adfGeoTransform[1] / 2)); maxy = (adfGeoTransform[3] - (adfGeoTransform[5] / 2)); miny = (maxy + ((lines + 1) * adfGeoTransform[5])); maxx = (minx + (adfGeoTransform[1] * (columns + 1))); OCTTransform(poCT, 1, &minx, &miny, 0); OCTTransform(poCT, 1, &maxx, &maxy, 0); printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy); GDALClose (hDataset); } else { printf("Failure: No Georeference info found for this raster file\n"); return 0; } } else//Try if it is vector { hDS = OGROpen( argv[1], FALSE , pahDriver ); if( hDS == NULL )//Not vector { //Parse for DTM file fin=fopen(argv[1],"r"); fseek(fin,0L,SEEK_SET); minx=50000000.0; miny=50000000.0; maxx=0.0; maxy=0.0; while(!feof(fin)) { fscanf(fin,"%lf,%lf,%lf\n",&x,&y,&z); if(ferror(fin))//input error { printf("Failure: Unsupported file type\n"); return 0; } if(x>maxx) maxx=x; if(y>maxy) maxy=y; if(x<minx) minx=x; if(y<miny) miny=y; } if(minx==50000000.0 || miny==50000000.0) { printf("Failure: Unsupported file type\n"); return 0; } if(maxx==0 || maxy==0) { printf("Failure: Unsupported file type\n"); return 0; } if(minx==maxx) { minx-=1; maxx+=1; } if(miny==maxy) { miny-=1; maxy+=1; } //DTM file OCTTransform(poCT, 1, &minx, &miny, 0); OCTTransform(poCT, 1, &maxx, &maxy, 0); printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy); return 0; } //It is vector for(i=0; i< OGR_DS_GetLayerCount (hDS); i++) { hLR = OGR_DS_GetLayer(hDS, i); if(OGR_L_GetExtent (hLR, &hEnv, FALSE) == OGRERR_NONE) { minx = hEnv.MinX; miny = hEnv.MinY; maxx = hEnv.MaxX; maxy = hEnv.MaxY; OCTTransform(poCT, 1, &minx, &miny, 0); OCTTransform(poCT, 1, &maxx, &maxy, 0); printf("BoundingBox: %f %f %f %f\n",minx ,miny, maxx, maxy); } } OGRReleaseDataSource( hDS ); } return 0; }
bool rspfOgcWktTranslator::toOssimKwl( const rspfString& wktString, rspfKeywordlist &kwl, const char *prefix)const { static const char MODULE[] = "rspfOgcWktTranslator::toOssimKwl"; if(traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << MODULE << " entered...\n"; } const char* wkt = wktString.c_str(); OGRSpatialReferenceH hSRS = NULL; rspfDpt falseEastingNorthing; hSRS = OSRNewSpatialReference(NULL); if( OSRImportFromWkt( hSRS, (char **) &wkt ) != OGRERR_NONE ) { OSRDestroySpatialReference( hSRS ); return false; } rspfString rspfProj = ""; const char* epsg_code = OSRGetAttrValue( hSRS, "AUTHORITY", 1 ); if(traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << "epsg_code: " << (epsg_code?epsg_code:"null") << "\n"; } const char* units = NULL; OGR_SRSNode* node = ((OGRSpatialReference *)hSRS)->GetRoot(); int nbChild = node->GetChildCount(); for (int i = 0; i < nbChild; i++) { OGR_SRSNode* curChild = node->GetChild(i); if (strcmp(curChild->GetValue(), "UNIT") == 0) { units = curChild->GetChild(0)->GetValue(); } } if(traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << "units: " << (units?units:"null") << "\n"; } rspfString rspf_units; bool bGeog = OSRIsGeographic(hSRS); if ( bGeog == false ) { rspf_units = "meters"; if ( units != NULL ) { rspfString s = units; s.downcase(); if( ( s == rspfString("us survey foot") ) || ( s == rspfString("u.s. foot") ) || ( s == rspfString("foot_us") ) ) { rspf_units = "us_survey_feet"; } else if( s == rspfString("degree") ) { rspf_units = "degrees"; } else if( ( s == rspfString("meter") ) || ( s == rspfString("metre") ) ) { rspf_units = "meters"; } } } else { rspf_units = "degrees"; } if(traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << "rspf_units: " << rspf_units << "\n"; } if (epsg_code) { rspfString epsg_spec ("EPSG:"); epsg_spec += rspfString::toString(epsg_code); rspfProjection* proj = rspfEpsgProjectionFactory::instance()->createProjection(epsg_spec); if (proj) rspfProj = proj->getClassName(); delete proj; } if(rspfProj == "") { const char* pszProjection = OSRGetAttrValue( hSRS, "PROJECTION", 0 ); if(pszProjection) { rspfProj = wktToOssimProjection(pszProjection); } else { rspfString localCs = OSRGetAttrValue( hSRS, "LOCAL_CS", 0 ); localCs = localCs.upcase(); if(localCs == "GREATBRITAIN_GRID") { rspfProj = "rspfBngProjection"; } else if (rspf_units.contains("degree")) { rspfProj = "rspfEquDistCylProjection"; } } } if(rspfProj == "rspfEquDistCylProjection" ) rspf_units = "degrees"; kwl.add(prefix, rspfKeywordNames::UNITS_KW, rspf_units, true); if (traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << MODULE << "DEBUG:" << "\nrspfProj = " << rspfProj << endl; } kwl.add(prefix, rspfKeywordNames::TYPE_KW, rspfProj.c_str(), true); falseEastingNorthing.x = OSRGetProjParm(hSRS, SRS_PP_FALSE_EASTING, 0.0, NULL); falseEastingNorthing.y = OSRGetProjParm(hSRS, SRS_PP_FALSE_NORTHING, 0.0, NULL); if (epsg_code) { kwl.add(prefix, rspfKeywordNames::PCS_CODE_KW, epsg_code, true); } if(rspfProj == "rspfBngProjection") { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfBngProjection", true); } else if(rspfProj == "rspfCylEquAreaProjection") { kwl.add(prefix, rspfKeywordNames::STD_PARALLEL_1_KW, OSRGetProjParm(hSRS, SRS_PP_STANDARD_PARALLEL_1, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::ORIGIN_LATITUDE_KW, OSRGetProjParm(hSRS, SRS_PP_STANDARD_PARALLEL_1, 0.0, NULL), true); rspfUnitType units = static_cast<rspfUnitType>(rspfUnitTypeLut::instance()-> getEntryNumber(rspf_units.c_str())); if ( units == RSPF_METERS || units == RSPF_FEET || units == RSPF_US_SURVEY_FEET ) { kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); } } else if(rspfProj == "rspfEquDistCylProjection") { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfEquDistCylProjection", true); rspfUnitType units = static_cast<rspfUnitType>(rspfUnitTypeLut::instance()-> getEntryNumber(rspf_units.c_str())); if ( units == RSPF_METERS || units == RSPF_FEET || units == RSPF_US_SURVEY_FEET ) { kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); } kwl.add(prefix, rspfKeywordNames::ORIGIN_LATITUDE_KW, OSRGetProjParm(hSRS, SRS_PP_LATITUDE_OF_ORIGIN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::CENTRAL_MERIDIAN_KW, OSRGetProjParm(hSRS, SRS_PP_CENTRAL_MERIDIAN, 0.0, NULL), true); } else if( (rspfProj == "rspfLambertConformalConicProjection") || (rspfProj == "rspfAlbersProjection") ) { kwl.add(prefix, rspfKeywordNames::TYPE_KW, rspfProj.c_str(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); kwl.add(prefix, rspfKeywordNames::ORIGIN_LATITUDE_KW, OSRGetProjParm(hSRS, SRS_PP_LATITUDE_OF_ORIGIN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::CENTRAL_MERIDIAN_KW, OSRGetProjParm(hSRS, SRS_PP_CENTRAL_MERIDIAN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::STD_PARALLEL_1_KW, OSRGetProjParm(hSRS, SRS_PP_STANDARD_PARALLEL_1, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::STD_PARALLEL_2_KW, OSRGetProjParm(hSRS, SRS_PP_STANDARD_PARALLEL_2, 0.0, NULL), true); } else if(rspfProj == "rspfMercatorProjection") { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfMercatorProjection", true); kwl.add(prefix, rspfKeywordNames::ORIGIN_LATITUDE_KW, OSRGetProjParm(hSRS, SRS_PP_LATITUDE_OF_ORIGIN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::CENTRAL_MERIDIAN_KW, OSRGetProjParm(hSRS, SRS_PP_CENTRAL_MERIDIAN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); } else if(rspfProj == "rspfSinusoidalProjection") { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfSinusoidalProjection", true); kwl.add(prefix, rspfKeywordNames::CENTRAL_MERIDIAN_KW, OSRGetProjParm(hSRS, SRS_PP_CENTRAL_MERIDIAN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); } else if(rspfProj == "rspfTransMercatorProjection") { int bNorth; int nZone = OSRGetUTMZone( hSRS, &bNorth ); if( nZone != 0 ) { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfUtmProjection", true); kwl.add(prefix, rspfKeywordNames::ZONE_KW, nZone, true); if( bNorth ) { kwl.add(prefix, rspfKeywordNames::HEMISPHERE_KW, "N", true); } else { kwl.add(prefix, rspfKeywordNames::HEMISPHERE_KW, "S", true); } } else { kwl.add(prefix, rspfKeywordNames::TYPE_KW, "rspfTransMercatorProjection", true); kwl.add(prefix, rspfKeywordNames::SCALE_FACTOR_KW, OSRGetProjParm(hSRS, SRS_PP_SCALE_FACTOR, 1.0, NULL), true); kwl.add(prefix, rspfKeywordNames::ORIGIN_LATITUDE_KW, OSRGetProjParm(hSRS, SRS_PP_LATITUDE_OF_ORIGIN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::CENTRAL_MERIDIAN_KW, OSRGetProjParm(hSRS, SRS_PP_CENTRAL_MERIDIAN, 0.0, NULL), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_KW, falseEastingNorthing.toString(), true); kwl.add(prefix, rspfKeywordNames::FALSE_EASTING_NORTHING_UNITS_KW, rspf_units, true); } } else { if (traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << "rspfOgcWktTranslator::toOssimKwl DEBUG:\n" << "Projection conversion to RSPF not supported !!!!!!!!!\n" << "Please send the following string to the development staff\n" << "to be added to the transaltion to RSPF\n" << wkt << endl; } return false; } const char *datum = OSRGetAttrValue( hSRS, "DATUM", 0 ); rspfString oDatum = "WGE"; if( datum ) { oDatum = wktToOssimDatum(datum); if(oDatum == "") { oDatum = "WGE"; } } kwl.add(prefix, rspfKeywordNames::DATUM_KW, oDatum, true); OSRDestroySpatialReference( hSRS ); if (traceDebug()) { rspfNotify(rspfNotifyLevel_DEBUG) << MODULE << " exit status = true" << std::endl; } return true; }
bool GDALImageFileType::read( Image *OSG_GDAL_ARG(pImage), const Char8 *OSG_GDAL_ARG(fileName)) { #ifdef OSG_WITH_GDAL bool returnValue = false; GDALDataset *pDataset; pDataset = static_cast<GDALDataset *>(GDALOpen(fileName, GA_ReadOnly)); if(pDataset != NULL) { GeoReferenceAttachmentUnrecPtr pGeoRef = GeoReferenceAttachment::create(); pImage->addAttachment(pGeoRef); double adfGeoTransform[6]; if(pDataset->GetGeoTransform(adfGeoTransform) == CE_None) { pGeoRef->editOrigin().setValues(adfGeoTransform[0], adfGeoTransform[3]); pGeoRef->editPixelSize().setValues(adfGeoTransform[1], adfGeoTransform[5]); if(GDALGetProjectionRef(pDataset) != NULL) { OGRSpatialReferenceH hSRS; Char8 *szProjection = const_cast<char *>(GDALGetProjectionRef(pDataset)); hSRS = OSRNewSpatialReference(NULL); if(OSRImportFromWkt(hSRS, &szProjection) == CE_None) { pGeoRef->editEllipsoidAxis().setValues( OSRGetSemiMajor(hSRS, NULL), OSRGetSemiMinor(hSRS, NULL)); const Char8 *szDatum = OSRGetAttrValue(hSRS, "DATUM", 0); if(szDatum != NULL && 0 == strcmp(szDatum, "WGS_1984")) { pGeoRef->editDatum() = GeoReferenceAttachment::WGS84; } else { fprintf(stderr, "Unknow datum %s\n", szDatum); pGeoRef->editDatum() = GeoReferenceAttachment::UnknownDatum; } } OSRDestroySpatialReference(hSRS); } } GDALRasterBand *pBand; int nBlockXSize, nBlockYSize; int bGotMin, bGotMax; double adfMinMax[2]; pBand = pDataset->GetRasterBand( 1 ); pBand->GetBlockSize( &nBlockXSize, &nBlockYSize ); adfMinMax[0] = pBand->GetMinimum( &bGotMin ); adfMinMax[1] = pBand->GetMaximum( &bGotMax ); if(!(bGotMin && bGotMax)) GDALComputeRasterMinMax(GDALRasterBandH(pBand), TRUE, adfMinMax); pBand = pDataset->GetRasterBand(1); if(pBand != NULL) { Image::PixelFormat ePF = Image::OSG_INVALID_PF; switch(pDataset->GetRasterCount()) { case 1: ePF = Image::OSG_L_PF; break; case 2: ePF = Image::OSG_LA_PF; break; case 3: ePF = Image::OSG_RGB_PF; break; case 4: ePF = Image::OSG_RGBA_PF; break; } Image::Type eDT = Image::OSG_INVALID_IMAGEDATATYPE; switch(pBand->GetRasterDataType()) { case GDT_Byte: eDT = Image::OSG_UINT8_IMAGEDATA; break; case GDT_UInt16: eDT = Image::OSG_UINT16_IMAGEDATA; break; case GDT_Int16: eDT = Image::OSG_INT16_IMAGEDATA; break; case GDT_UInt32: eDT = Image::OSG_UINT32_IMAGEDATA; break; case GDT_Int32: eDT = Image::OSG_INT32_IMAGEDATA; break; case GDT_Float32: eDT = Image::OSG_FLOAT32_IMAGEDATA; break; case GDT_Float64: case GDT_CInt16: case GDT_CInt32: case GDT_CFloat32: case GDT_CFloat64: default: GDALClose(pDataset); return returnValue; break; } pImage->set(ePF, pDataset->GetRasterXSize(), pDataset->GetRasterYSize(), 1, 1, 1, 0.0, NULL, eDT); UChar8 *dst = pImage->editData(); pBand->RasterIO(GF_Read, 0, 0, pDataset->GetRasterXSize(), pDataset->GetRasterYSize(), dst, pDataset->GetRasterXSize(), pDataset->GetRasterYSize(), pBand->GetRasterDataType(), 0, 0); pGeoRef->setNoDataValue(pBand->GetNoDataValue()); returnValue = true; } GDALClose(pDataset); } return returnValue; #else SWARNING << getMimeType() << " read is not compiled into the current binary " << std::endl; return false; #endif // OSG_WITH_GDAL }
void GDALBlockAccessor::open(const Char8 *szFilename) { #ifdef OSG_WITH_GDAL _pDataset = static_cast<GDALDataset *>(GDALOpen(szFilename, GA_ReadOnly)); if(_pDataset != NULL) { _pGeoRef = GeoReferenceAttachment::create(); double adfGeoTransform[6]; if(_pDataset->GetGeoTransform(adfGeoTransform) == CE_None) { _pGeoRef->editOrigin().setValues(adfGeoTransform[0], adfGeoTransform[3]); _pGeoRef->editPixelSize().setValues(adfGeoTransform[1], adfGeoTransform[5]); if(GDALGetProjectionRef(_pDataset) != NULL) { OGRSpatialReferenceH hSRS; Char8 *szProjection = const_cast<char *>(GDALGetProjectionRef(_pDataset)); hSRS = OSRNewSpatialReference(NULL); if(OSRImportFromWkt(hSRS, &szProjection) == CE_None) { _pGeoRef->editEllipsoidAxis().setValues( OSRGetSemiMajor(hSRS, NULL), OSRGetSemiMinor(hSRS, NULL)); const Char8 *szDatum = OSRGetAttrValue(hSRS, "DATUM", 0); if(szDatum != NULL && 0 == strcmp(szDatum, "WGS_1984")) { _pGeoRef->editDatum() = GeoReferenceAttachment::WGS84; } else { fprintf(stderr, "Unknow datum %s\n", szDatum); _pGeoRef->editDatum() = GeoReferenceAttachment::UnknownDatum; } } OSRDestroySpatialReference(hSRS); } } int nBlockXSize, nBlockYSize; int bGotMin, bGotMax; double adfMinMax[2]; _pBand = _pDataset->GetRasterBand(1); _pBand->GetBlockSize(&nBlockXSize, &nBlockYSize); adfMinMax[0] = _pBand->GetMinimum(&bGotMin); adfMinMax[1] = _pBand->GetMaximum(&bGotMax); if(!(bGotMin && bGotMax)) { GDALComputeRasterMinMax(GDALRasterBandH(_pBand), TRUE, adfMinMax); } if(_pBand != NULL) { _eImgFormat = Image::OSG_INVALID_PF; switch(_pDataset->GetRasterCount()) { case 1: _eImgFormat = Image::OSG_L_PF; break; case 2: _eImgFormat = Image::OSG_LA_PF; break; case 3: _eImgFormat = Image::OSG_RGB_PF; break; case 4: _eImgFormat = Image::OSG_RGBA_PF; break; } _eImgType = Image::OSG_INVALID_IMAGEDATATYPE; switch(_pBand->GetRasterDataType()) { case GDT_Byte: _eImgType = Image::OSG_UINT8_IMAGEDATA; break; case GDT_UInt16: _eImgType = Image::OSG_UINT16_IMAGEDATA; break; case GDT_Int16: _eImgType = Image::OSG_INT16_IMAGEDATA; break; case GDT_UInt32: _eImgType = Image::OSG_UINT32_IMAGEDATA; break; case GDT_Int32: _eImgType = Image::OSG_INT32_IMAGEDATA; break; case GDT_Float32: _eImgType = Image::OSG_FLOAT32_IMAGEDATA; break; case GDT_Float64: case GDT_CInt16: case GDT_CInt32: case GDT_CFloat32: case GDT_CFloat64: default: GDALClose(_pDataset); _pDataset = NULL; break; } _vSize[0] = _pDataset->GetRasterXSize(); _vSize[1] = _pDataset->GetRasterYSize(); _fNoDataValue = _pBand->GetNoDataValue(); _pGeoRef->setNoDataValue(_fNoDataValue); } } #endif }