void object::test<2>() { ensure("SRS UTM handle is NULL", NULL != srs_utm_); ensure("SRS LL handle is NULL", NULL != srs_ll_); err_ = OSRSetUTM(srs_utm_, 11, TRUE); ensure_equals("Can't set UTM zone", err_, OGRERR_NONE); err_ = OSRSetWellKnownGeogCS(srs_utm_, "WGS84"); ensure_equals("Can't set GeogCS", err_, OGRERR_NONE); err_ = OSRSetWellKnownGeogCS(srs_ll_, "WGS84"); ensure_equals("Can't set GeogCS", err_, OGRERR_NONE); ct_ = OCTNewCoordinateTransformation(srs_ll_, srs_utm_); ensure("PROJ.4 missing, transforms not available", NULL != ct_); const int size = 1; double x[size] = { -117.5 }; double y[size] = { 32.0 }; double z[size] = { 0.0 }; ensure_equals("OCTTransform() failed", OCTTransform(ct_, size, x, y, z), TRUE); ensure("Wrong X from LL to UTM result", std::fabs(x[0] - 452772.06) <= 0.01); ensure("Wrong Y from LL to UTM result", std::fabs(y[0] - 3540544.89) <= 0.01); ensure("Wrong Z from LL to UTM result", std::fabs(z[0] - 0.0) <= 0.01); }
static int GDALInfoReportCorner( GDALDatasetH hDataset, OGRCoordinateTransformationH hTransform, const char * corner_name, double x, double y ) { double dfGeoX, dfGeoY; double adfGeoTransform[6]; printf( "%-11s ", corner_name ); /* -------------------------------------------------------------------- */ /* Transform the point into georeferenced coordinates. */ /* -------------------------------------------------------------------- */ if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) { dfGeoX = adfGeoTransform[0] + adfGeoTransform[1] * x + adfGeoTransform[2] * y; dfGeoY = adfGeoTransform[3] + adfGeoTransform[4] * x + adfGeoTransform[5] * y; } else { printf( "(%7.1f,%7.1f)\n", x, y ); return FALSE; } /* -------------------------------------------------------------------- */ /* Report the georeferenced coordinates. */ /* -------------------------------------------------------------------- */ if( ABS(dfGeoX) < 181 && ABS(dfGeoY) < 91 ) { printf( "(%12.7f,%12.7f) ", dfGeoX, dfGeoY ); } else { printf( "(%12.3f,%12.3f) ", dfGeoX, dfGeoY ); } /* -------------------------------------------------------------------- */ /* Transform to latlong and report. */ /* -------------------------------------------------------------------- */ if( hTransform != NULL && OCTTransform(hTransform,1,&dfGeoX,&dfGeoY,NULL) ) { printf( "(%s,", GDALDecToDMS( dfGeoX, "Long", 2 ) ); printf( "%s)", GDALDecToDMS( dfGeoY, "Lat", 2 ) ); } printf( "\n" ); return TRUE; }
void ReprojectionFilter::transform(double& x, double& y, double& z) { int ret = OCTTransform(m_transform_ptr, 1, &x, &y, &z); if (ret == 0) { std::ostringstream msg; msg << "Could not project point for ReprojectionTransform::" << CPLGetLastErrorMsg() << ret; throw pdal_error(msg.str()); } }
void Reprojection::transform(double& x, double& y, double& z) const { #ifdef PDAL_HAVE_GDAL int ret = 0; ret = OCTTransform(m_transform_ptr.get(), 1, &x, &y, &z); if (!ret) { std::ostringstream msg; msg << "Could not project point for ReprojectionTransform::" << CPLGetLastErrorMsg() << ret; throw pdal_error(msg.str()); } #else boost::ignore_unused_variable_warning(x); boost::ignore_unused_variable_warning(y); boost::ignore_unused_variable_warning(z); #endif return; }
void InPlaceReprojection::reprojectOffsets( double& offset_x, double& offset_y, double& offset_z) { #ifdef PDAL_HAVE_GDAL int ret = 0; double dummy_x(0.0); bool doOffsetZ = getOptions().getValueOrDefault<bool>("do_offset_z", false); double* x = doOffsetZ ? &offset_x : &dummy_x; ret = OCTTransform(m_transform_ptr.get(), 1, &offset_x, &offset_y, x); if (!ret) { std::ostringstream msg; msg << "Could not project offset for InPlaceReprojection::" << CPLGetLastErrorMsg() << ret; throw pdal_error(msg.str()); } #else #endif }
static int GDALInfoReportCorner( GDALDatasetH hDataset, const char * corner_name, double x, double y ) { double dfGeoX, dfGeoY; const char *pszProjection; double adfGeoTransform[6]; OGRCoordinateTransformationH hTransform = NULL; printf( "%-11s ", corner_name ); /* -------------------------------------------------------------------- */ /* Transform the point into georeferenced coordinates. */ /* -------------------------------------------------------------------- */ if( GDALGetGeoTransform( hDataset, adfGeoTransform ) == CE_None ) { pszProjection = GDALGetProjectionRef(hDataset); dfGeoX = adfGeoTransform[0] + adfGeoTransform[1] * x + adfGeoTransform[2] * y; dfGeoY = adfGeoTransform[3] + adfGeoTransform[4] * x + adfGeoTransform[5] * y; } else { printf( "(%7.1f,%7.1f)\n", x, y ); return FALSE; } /* -------------------------------------------------------------------- */ /* Report the georeferenced coordinates. */ /* -------------------------------------------------------------------- */ if( fabs(dfGeoX) < 181 && fabs(dfGeoY) < 91 ) { printf( "(%12.7f,%12.7f) ", dfGeoX, dfGeoY ); } else { printf( "(%12.3f,%12.3f) ", dfGeoX, dfGeoY ); } /* -------------------------------------------------------------------- */ /* Setup transformation to lat/long. */ /* -------------------------------------------------------------------- */ if( pszProjection != NULL && strlen(pszProjection) > 0 ) { OGRSpatialReferenceH hProj, hLatLong = NULL; hProj = OSRNewSpatialReference( pszProjection ); if( hProj != NULL ) hLatLong = OSRCloneGeogCS( hProj ); if( hLatLong != NULL ) { hTransform = OCTNewCoordinateTransformation( hProj, hLatLong ); OSRDestroySpatialReference( hLatLong ); } if( hProj != NULL ) OSRDestroySpatialReference( hProj ); } /* -------------------------------------------------------------------- */ /* Transform to latlong and report. */ /* -------------------------------------------------------------------- */ if( hTransform != NULL && OCTTransform(hTransform,1,&dfGeoX,&dfGeoY,NULL) ) { printf( "(%s,", GDALDecToDMS( dfGeoX, "Long", 2 ) ); printf( "%s)", GDALDecToDMS( dfGeoY, "Lat", 2 ) ); } if( hTransform != NULL ) OCTDestroyCoordinateTransformation( hTransform ); printf( "\n" ); return TRUE; }
MAIN_START(argc, argv) { // Check that we are running against at least GDAL 1.4. // Note to developers: if we use newer API, please change the requirement. if( atoi(GDALVersionInfo("VERSION_NUM")) < 1400 ) { fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, " "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME); exit(1); } GDALAllRegister(); OGRRegisterAll(); argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 ); if( argc < 1 ) exit( -argc ); /* -------------------------------------------------------------------- */ /* Get commandline arguments other than the GDAL raster filenames. */ /* -------------------------------------------------------------------- */ const char* pszIndexLayerName = nullptr; const char *index_filename = nullptr; const char *tile_index = "location"; const char* pszDriverName = nullptr; size_t nMaxFieldSize = 254; bool write_absolute_path = false; char* current_path = nullptr; bool skip_different_projection = false; const char *pszTargetSRS = ""; bool bSetTargetSRS = false; const char* pszSrcSRSName = nullptr; int i_SrcSRSName = -1; bool bSrcSRSFormatSpecified = false; SrcSRSFormat eSrcSRSFormat = FORMAT_AUTO; int iArg = 1; // Used after for. for( ; iArg < argc; iArg++ ) { if( EQUAL(argv[iArg], "--utility_version") ) { printf("%s was compiled against GDAL %s and is running against " "GDAL %s\n", argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME")); CSLDestroy( argv ); return 0; } else if( EQUAL(argv[iArg],"--help") ) Usage(nullptr); else if( (strcmp(argv[iArg],"-f") == 0 || strcmp(argv[iArg],"-of") == 0) ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszDriverName = argv[++iArg]; } else if( strcmp(argv[iArg],"-lyr_name") == 0 ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszIndexLayerName = argv[++iArg]; } else if( strcmp(argv[iArg],"-tileindex") == 0 ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); tile_index = argv[++iArg]; } else if( strcmp(argv[iArg],"-t_srs") == 0 ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszTargetSRS = argv[++iArg]; bSetTargetSRS = true; } else if ( strcmp(argv[iArg],"-write_absolute_path") == 0 ) { write_absolute_path = true; } else if ( strcmp(argv[iArg],"-skip_different_projection") == 0 ) { skip_different_projection = true; } else if( strcmp(argv[iArg], "-src_srs_name") == 0 ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszSrcSRSName = argv[++iArg]; } else if( strcmp(argv[iArg], "-src_srs_format") == 0 ) { const char* pszFormat; bSrcSRSFormatSpecified = true; CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszFormat = argv[++iArg]; if( EQUAL(pszFormat, "AUTO") ) eSrcSRSFormat = FORMAT_AUTO; else if( EQUAL(pszFormat, "WKT") ) eSrcSRSFormat = FORMAT_WKT; else if( EQUAL(pszFormat, "EPSG") ) eSrcSRSFormat = FORMAT_EPSG; else if( EQUAL(pszFormat, "PROJ") ) eSrcSRSFormat = FORMAT_PROJ; } else if( argv[iArg][0] == '-' ) Usage(CPLSPrintf("Unknown option name '%s'", argv[iArg])); else if( index_filename == nullptr ) { index_filename = argv[iArg]; iArg++; break; } } if( index_filename == nullptr ) Usage("No index filename specified."); if( iArg == argc ) Usage("No file to index specified."); if( bSrcSRSFormatSpecified && pszSrcSRSName == nullptr ) Usage("-src_srs_name must be specified when -src_srs_format is " "specified."); /* -------------------------------------------------------------------- */ /* Create and validate target SRS if given. */ /* -------------------------------------------------------------------- */ OGRSpatialReferenceH hTargetSRS = nullptr; if( bSetTargetSRS ) { if( skip_different_projection ) { fprintf( stderr, "Warning : -skip_different_projection does not apply " "when -t_srs is requested.\n" ); } hTargetSRS = OSRNewSpatialReference(""); OSRSetAxisMappingStrategy(hTargetSRS, OAMS_TRADITIONAL_GIS_ORDER); // coverity[tainted_data] if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None ) { OSRDestroySpatialReference( hTargetSRS ); fprintf( stderr, "Invalid target SRS `%s'.\n", pszTargetSRS ); exit(1); } } /* -------------------------------------------------------------------- */ /* Open or create the target datasource */ /* -------------------------------------------------------------------- */ GDALDatasetH hTileIndexDS = GDALOpenEx( index_filename, GDAL_OF_VECTOR | GDAL_OF_UPDATE, nullptr, nullptr, nullptr ); OGRLayerH hLayer = nullptr; CPLString osFormat; if( hTileIndexDS != nullptr ) { GDALDriverH hDriver = GDALGetDatasetDriver(hTileIndexDS); if( hDriver ) osFormat = GDALGetDriverShortName(hDriver); if( GDALDatasetGetLayerCount(hTileIndexDS) == 1 ) { hLayer = GDALDatasetGetLayer(hTileIndexDS, 0); } else { if( pszIndexLayerName == nullptr ) { printf( "-lyr_name must be specified.\n" ); exit( 1 ); } CPLPushErrorHandler(CPLQuietErrorHandler); hLayer = GDALDatasetGetLayerByName(hTileIndexDS, pszIndexLayerName); CPLPopErrorHandler(); } } else { printf( "Creating new index file...\n" ); if( pszDriverName == nullptr ) { std::vector<CPLString> aoDrivers = GetOutputDriversFor(index_filename, GDAL_OF_VECTOR); if( aoDrivers.empty() ) { CPLError( CE_Failure, CPLE_AppDefined, "Cannot guess driver for %s", index_filename); exit( 10 ); } else { if( aoDrivers.size() > 1 ) { CPLError( CE_Warning, CPLE_AppDefined, "Several drivers matching %s extension. Using %s", CPLGetExtension(index_filename), aoDrivers[0].c_str() ); } osFormat = aoDrivers[0]; } } else { osFormat = pszDriverName; } if( !EQUAL(osFormat, "ESRI Shapefile") ) nMaxFieldSize = 0; GDALDriverH hDriver = GDALGetDriverByName( osFormat.c_str() ); if( hDriver == nullptr ) { printf( "%s driver not available.\n", osFormat.c_str() ); exit( 1 ); } hTileIndexDS = GDALCreate( hDriver, index_filename, 0, 0, 0, GDT_Unknown, nullptr ); } if( hTileIndexDS != nullptr && hLayer == nullptr ) { OGRSpatialReferenceH hSpatialRef = nullptr; char* pszLayerName = nullptr; if( pszIndexLayerName == nullptr ) { VSIStatBuf sStat; if( EQUAL(osFormat, "ESRI Shapefile") || VSIStat(index_filename, &sStat) == 0 ) { pszLayerName = CPLStrdup(CPLGetBasename(index_filename)); } else { printf( "-lyr_name must be specified.\n" ); exit( 1 ); } } else { pszLayerName = CPLStrdup(pszIndexLayerName); } /* get spatial reference for output file from target SRS (if set) */ /* or from first input file */ if( bSetTargetSRS ) { hSpatialRef = OSRClone( hTargetSRS ); } else { GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly ); if( hDS ) { const char* pszWKT = GDALGetProjectionRef(hDS); if (pszWKT != nullptr && pszWKT[0] != '\0') { hSpatialRef = OSRNewSpatialReference(pszWKT); OSRSetAxisMappingStrategy(hSpatialRef, OAMS_TRADITIONAL_GIS_ORDER); } GDALClose(hDS); } } hLayer = GDALDatasetCreateLayer( hTileIndexDS, pszLayerName, hSpatialRef, wkbPolygon, nullptr ); CPLFree(pszLayerName); if( hSpatialRef ) OSRRelease(hSpatialRef); if( hLayer ) { OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString ); if( nMaxFieldSize ) OGR_Fld_SetWidth( hFieldDefn, static_cast<int>(nMaxFieldSize)); OGR_L_CreateField( hLayer, hFieldDefn, TRUE ); OGR_Fld_Destroy(hFieldDefn); if( pszSrcSRSName != nullptr ) { hFieldDefn = OGR_Fld_Create( pszSrcSRSName, OFTString ); if( nMaxFieldSize ) OGR_Fld_SetWidth(hFieldDefn, static_cast<int>(nMaxFieldSize)); OGR_L_CreateField( hLayer, hFieldDefn, TRUE ); OGR_Fld_Destroy(hFieldDefn); } } } if( hTileIndexDS == nullptr || hLayer == nullptr ) { fprintf( stderr, "Unable to open/create shapefile `%s'.\n", index_filename ); exit(2); } OGRFeatureDefnH hFDefn = OGR_L_GetLayerDefn(hLayer); const int ti_field = OGR_FD_GetFieldIndex( hFDefn, tile_index ); if( ti_field < 0 ) { fprintf( stderr, "Unable to find field `%s' in file `%s'.\n", tile_index, index_filename ); exit(2); } if( pszSrcSRSName != nullptr ) i_SrcSRSName = OGR_FD_GetFieldIndex( hFDefn, pszSrcSRSName ); // Load in memory existing file names in SHP. int nExistingFiles = static_cast<int>(OGR_L_GetFeatureCount(hLayer, FALSE)); if( nExistingFiles < 0) nExistingFiles = 0; char** existingFilesTab = nullptr; bool alreadyExistingProjectionRefValid = false; char* alreadyExistingProjectionRef = nullptr; if( nExistingFiles > 0 ) { OGRFeatureH hFeature = nullptr; existingFilesTab = static_cast<char **>( CPLMalloc(nExistingFiles * sizeof(char*))); for( int i = 0; i < nExistingFiles; i++ ) { hFeature = OGR_L_GetNextFeature(hLayer); existingFilesTab[i] = CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field )); if( i == 0 ) { GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly ); if( hDS ) { alreadyExistingProjectionRefValid = true; alreadyExistingProjectionRef = CPLStrdup(GDALGetProjectionRef(hDS)); GDALClose(hDS); } } OGR_F_Destroy( hFeature ); } } if( write_absolute_path ) { current_path = CPLGetCurrentDir(); if (current_path == nullptr) { fprintf( stderr, "This system does not support the CPLGetCurrentDir call. " "The option -write_absolute_path will have no effect\n" ); write_absolute_path = FALSE; } } /* -------------------------------------------------------------------- */ /* loop over GDAL files, processing. */ /* -------------------------------------------------------------------- */ for( ; iArg < argc; iArg++ ) { char *fileNameToWrite = nullptr; VSIStatBuf sStatBuf; // Make sure it is a file before building absolute path name. if( write_absolute_path && CPLIsFilenameRelative( argv[iArg] ) && VSIStat( argv[iArg], &sStatBuf ) == 0 ) { fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path, argv[iArg])); } else { fileNameToWrite = CPLStrdup(argv[iArg]); } // Checks that file is not already in tileindex. { int i = 0; // Used after for. for( ; i < nExistingFiles; i++ ) { if (EQUAL(fileNameToWrite, existingFilesTab[i])) { fprintf(stderr, "File %s is already in tileindex. Skipping it.\n", fileNameToWrite); break; } } if (i != nExistingFiles) { CPLFree(fileNameToWrite); continue; } } GDALDatasetH hDS = GDALOpen( argv[iArg], GA_ReadOnly ); if( hDS == nullptr ) { fprintf( stderr, "Unable to open %s, skipping.\n", argv[iArg] ); CPLFree(fileNameToWrite); continue; } double adfGeoTransform[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; GDALGetGeoTransform( hDS, adfGeoTransform ); if( adfGeoTransform[0] == 0.0 && adfGeoTransform[1] == 1.0 && adfGeoTransform[3] == 0.0 && std::abs(adfGeoTransform[5]) == 1.0 ) { fprintf( stderr, "It appears no georeferencing is available for\n" "`%s', skipping.\n", argv[iArg] ); GDALClose( hDS ); CPLFree(fileNameToWrite); continue; } const char *projectionRef = GDALGetProjectionRef(hDS); // If not set target srs, test that the current file uses same // projection as others. if( !bSetTargetSRS ) { if( alreadyExistingProjectionRefValid ) { int projectionRefNotNull, alreadyExistingProjectionRefNotNull; projectionRefNotNull = projectionRef && projectionRef[0]; alreadyExistingProjectionRefNotNull = alreadyExistingProjectionRef && alreadyExistingProjectionRef[0]; if ((projectionRefNotNull && alreadyExistingProjectionRefNotNull && EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) || (projectionRefNotNull != alreadyExistingProjectionRefNotNull)) { fprintf( stderr, "Warning : %s is not using the same projection system " "as other files in the tileindex.\n" "This may cause problems when using it in MapServer " "for example.\n" "Use -t_srs option to set target projection system " "(not supported by MapServer).\n" "%s\n", argv[iArg], skip_different_projection ? "Skipping this file." : ""); if( skip_different_projection ) { CPLFree(fileNameToWrite); GDALClose( hDS ); continue; } } } else { alreadyExistingProjectionRefValid = true; alreadyExistingProjectionRef = CPLStrdup(projectionRef); } } const int nXSize = GDALGetRasterXSize( hDS ); const int nYSize = GDALGetRasterYSize( hDS ); double adfX[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 }; double adfY[5] = { 0.0, 0.0, 0.0, 0.0, 0.0 }; adfX[0] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[0] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + 0 * adfGeoTransform[5]; adfX[1] = adfGeoTransform[0] + nXSize * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[1] = adfGeoTransform[3] + nXSize * adfGeoTransform[4] + 0 * adfGeoTransform[5]; adfX[2] = adfGeoTransform[0] + nXSize * adfGeoTransform[1] + nYSize * adfGeoTransform[2]; adfY[2] = adfGeoTransform[3] + nXSize * adfGeoTransform[4] + nYSize * adfGeoTransform[5]; adfX[3] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + nYSize * adfGeoTransform[2]; adfY[3] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + nYSize * adfGeoTransform[5]; adfX[4] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[4] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + 0 * adfGeoTransform[5]; OGRSpatialReferenceH hSourceSRS = nullptr; if( (bSetTargetSRS || i_SrcSRSName >= 0) && projectionRef != nullptr && projectionRef[0] != '\0' ) { hSourceSRS = OSRNewSpatialReference( projectionRef ); OSRSetAxisMappingStrategy(hSourceSRS, OAMS_TRADITIONAL_GIS_ORDER); } // If set target srs, do the forward transformation of all points. if( bSetTargetSRS && projectionRef != nullptr && projectionRef[0] != '\0' ) { OGRCoordinateTransformationH hCT = nullptr; if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) ) { hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS ); if( hCT == nullptr || !OCTTransform( hCT, 5, adfX, adfY, nullptr ) ) { fprintf( stderr, "Warning : unable to transform points from source " "SRS `%s' to target SRS `%s'\n" "for file `%s' - file skipped\n", projectionRef, pszTargetSRS, fileNameToWrite ); if( hCT ) OCTDestroyCoordinateTransformation( hCT ); if( hSourceSRS ) OSRDestroySpatialReference( hSourceSRS ); continue; } if( hCT ) OCTDestroyCoordinateTransformation( hCT ); } } OGRFeatureH hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) ); OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite ); if( i_SrcSRSName >= 0 && hSourceSRS != nullptr ) { const char* pszAuthorityCode = OSRGetAuthorityCode(hSourceSRS, nullptr); const char* pszAuthorityName = OSRGetAuthorityName(hSourceSRS, nullptr); if( eSrcSRSFormat == FORMAT_AUTO ) { if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr ) { OGR_F_SetFieldString( hFeature, i_SrcSRSName, CPLSPrintf("%s:%s", pszAuthorityName, pszAuthorityCode) ); } else if( nMaxFieldSize == 0 || strlen(projectionRef) <= nMaxFieldSize ) { OGR_F_SetFieldString(hFeature, i_SrcSRSName, projectionRef); } else { char* pszProj4 = nullptr; if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE ) { OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 ); CPLFree(pszProj4); } else { OGR_F_SetFieldString( hFeature, i_SrcSRSName, projectionRef ); } } } else if( eSrcSRSFormat == FORMAT_WKT ) { if( nMaxFieldSize == 0 || strlen(projectionRef) <= nMaxFieldSize ) { OGR_F_SetFieldString( hFeature, i_SrcSRSName, projectionRef ); } else { fprintf(stderr, "Cannot write WKT for file %s as it is too long!\n", fileNameToWrite); } } else if( eSrcSRSFormat == FORMAT_PROJ ) { char* pszProj4 = nullptr; if( OSRExportToProj4(hSourceSRS, &pszProj4) == OGRERR_NONE ) { OGR_F_SetFieldString( hFeature, i_SrcSRSName, pszProj4 ); CPLFree(pszProj4); } } else if( eSrcSRSFormat == FORMAT_EPSG ) { if( pszAuthorityName != nullptr && pszAuthorityCode != nullptr ) OGR_F_SetFieldString( hFeature, i_SrcSRSName, CPLSPrintf("%s:%s", pszAuthorityName, pszAuthorityCode) ); } } if( hSourceSRS ) OSRDestroySpatialReference( hSourceSRS ); OGRGeometryH hPoly = OGR_G_CreateGeometry(wkbPolygon); OGRGeometryH hRing = OGR_G_CreateGeometry(wkbLinearRing); for( int k = 0; k < 5; k++ ) OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]); OGR_G_AddGeometryDirectly( hPoly, hRing ); OGR_F_SetGeometryDirectly( hFeature, hPoly ); if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE ) { printf( "Failed to create feature in shapefile.\n" ); break; } OGR_F_Destroy( hFeature ); CPLFree(fileNameToWrite); GDALClose( hDS ); } CPLFree(current_path); if (nExistingFiles) { for( int i = 0; i < nExistingFiles; i++ ) { CPLFree(existingFilesTab[i]); } CPLFree(existingFilesTab); } CPLFree(alreadyExistingProjectionRef); if ( hTargetSRS ) OSRDestroySpatialReference( hTargetSRS ); GDALClose( hTileIndexDS ); GDALDestroyDriverManager(); OGRCleanupAll(); CSLDestroy(argv); 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; }
int SpatialReference::computeUTMZone(const BOX3D& box) const { // Nothing we can do if we're an empty SRS if (empty()) return 0; OGRSpatialReferenceH current = OSRNewSpatialReference(getWKT(eHorizontalOnly, false).c_str()); if (! current) throw std::invalid_argument("Could not fetch current SRS"); OGRSpatialReferenceH wgs84 = OSRNewSpatialReference(0); if (OSRSetFromUserInput(wgs84, "EPSG:4326") != OGRERR_NONE) { OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); std::ostringstream msg; msg << "Could not import GDAL input spatial reference for WGS84"; throw std::runtime_error(msg.str()); } void* transform = OCTNewCoordinateTransformation(current, wgs84); if (! transform) { OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); throw std::invalid_argument("could not comput transform from " "coordinate system to WGS84"); } double minx(0.0), miny(0.0), minz(0.0); double maxx(0.0), maxy(0.0), maxz(0.0); // OCTTransform modifies values in-place minx = box.minx; miny = box.miny; minz = box.minz; maxx = box.maxx; maxy = box.maxy; maxz = box.maxz; int ret = OCTTransform(transform, 1, &minx, &miny, &minz); if (ret == 0) { OCTDestroyCoordinateTransformation(transform); OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); std::ostringstream msg; msg << "Could not project minimum point for computeUTMZone::" << CPLGetLastErrorMsg() << ret; throw pdal_error(msg.str()); } ret = OCTTransform(transform, 1, &maxx, &maxy, &maxz); if (ret == 0) { OCTDestroyCoordinateTransformation(transform); OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); std::ostringstream msg; msg << "Could not project maximum point for computeUTMZone::" << CPLGetLastErrorMsg() << ret; throw pdal_error(msg.str()); } int min_zone(0); int max_zone(0); min_zone = calculateZone(minx, miny); max_zone = calculateZone(maxx, maxy); if (min_zone != max_zone) { OCTDestroyCoordinateTransformation(transform); OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); std::ostringstream msg; msg << "Minimum zone is " << min_zone <<"' and maximum zone is '" << max_zone << "'. They do not match because they cross a " "zone boundary"; throw pdal_error(msg.str()); } OCTDestroyCoordinateTransformation(transform); OSRDestroySpatialReference(current); OSRDestroySpatialReference(wgs84); return min_zone; }
int main(int argc, char *argv[]) { const char *index_filename = NULL; const char *tile_index = "location"; int i_arg, ti_field; OGRDataSourceH hTileIndexDS; OGRLayerH hLayer = NULL; OGRFeatureDefnH hFDefn; int write_absolute_path = FALSE; char* current_path = NULL; int i; int nExistingFiles; int skip_different_projection = FALSE; char** existingFilesTab = NULL; int alreadyExistingProjectionRefValid = FALSE; char* alreadyExistingProjectionRef = NULL; char* index_filename_mod; int bExists; VSIStatBuf sStatBuf; const char *pszTargetSRS = ""; int bSetTargetSRS = FALSE; OGRSpatialReferenceH hTargetSRS = NULL; /* Check that we are running against at least GDAL 1.4 */ /* Note to developers : if we use newer API, please change the requirement */ if (atoi(GDALVersionInfo("VERSION_NUM")) < 1400) { fprintf(stderr, "At least, GDAL >= 1.4.0 is required for this version of %s, " "which was compiled against GDAL %s\n", argv[0], GDAL_RELEASE_NAME); exit(1); } GDALAllRegister(); OGRRegisterAll(); argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 ); if( argc < 1 ) exit( -argc ); /* -------------------------------------------------------------------- */ /* Get commandline arguments other than the GDAL raster filenames. */ /* -------------------------------------------------------------------- */ for( i_arg = 1; i_arg < argc; i_arg++ ) { if( EQUAL(argv[i_arg], "--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( strcmp(argv[i_arg],"-tileindex") == 0 ) { tile_index = argv[++i_arg]; } else if( strcmp(argv[i_arg],"-t_srs") == 0 ) { pszTargetSRS = argv[++i_arg]; bSetTargetSRS = TRUE; } else if ( strcmp(argv[i_arg],"-write_absolute_path") == 0 ) { write_absolute_path = TRUE; } else if ( strcmp(argv[i_arg],"-skip_different_projection") == 0 ) { skip_different_projection = TRUE; } else if( argv[i_arg][0] == '-' ) Usage(); else if( index_filename == NULL ) { index_filename = argv[i_arg]; i_arg++; break; } } if( index_filename == NULL || i_arg == argc ) Usage(); /* -------------------------------------------------------------------- */ /* Create and validate target SRS if given. */ /* -------------------------------------------------------------------- */ if( bSetTargetSRS ) { if ( skip_different_projection ) { fprintf( stderr, "Warning : -skip_different_projection does not apply " "when -t_srs is requested.\n" ); } hTargetSRS = OSRNewSpatialReference(""); if( OSRSetFromUserInput( hTargetSRS, pszTargetSRS ) != CE_None ) { OSRDestroySpatialReference( hTargetSRS ); fprintf( stderr, "Invalid target SRS `%s'.\n", pszTargetSRS ); exit(1); } } /* -------------------------------------------------------------------- */ /* Open or create the target shapefile and DBF file. */ /* -------------------------------------------------------------------- */ index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "shp")); bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0); if (!bExists) { CPLFree(index_filename_mod); index_filename_mod = CPLStrdup(CPLResetExtension(index_filename, "SHP")); bExists = (VSIStat(index_filename_mod, &sStatBuf) == 0); } CPLFree(index_filename_mod); if (bExists) { hTileIndexDS = OGROpen( index_filename, TRUE, NULL ); if (hTileIndexDS != NULL) { hLayer = OGR_DS_GetLayer(hTileIndexDS, 0); } } else { OGRSFDriverH hDriver; const char* pszDriverName = "ESRI Shapefile"; printf( "Creating new index file...\n" ); hDriver = OGRGetDriverByName( pszDriverName ); if( hDriver == NULL ) { printf( "%s driver not available.\n", pszDriverName ); exit( 1 ); } hTileIndexDS = OGR_Dr_CreateDataSource( hDriver, index_filename, NULL ); if (hTileIndexDS) { char* pszLayerName = CPLStrdup(CPLGetBasename(index_filename)); /* get spatial reference for output file from target SRS (if set) */ /* or from first input file */ OGRSpatialReferenceH hSpatialRef = NULL; if( bSetTargetSRS ) { hSpatialRef = OSRClone( hTargetSRS ); } else { GDALDatasetH hDS = GDALOpen( argv[i_arg], GA_ReadOnly ); if (hDS) { const char* pszWKT = GDALGetProjectionRef(hDS); if (pszWKT != NULL && pszWKT[0] != '\0') { hSpatialRef = OSRNewSpatialReference(pszWKT); } GDALClose(hDS); } } hLayer = OGR_DS_CreateLayer( hTileIndexDS, pszLayerName, hSpatialRef, wkbPolygon, NULL ); CPLFree(pszLayerName); if (hSpatialRef) OSRRelease(hSpatialRef); if (hLayer) { OGRFieldDefnH hFieldDefn = OGR_Fld_Create( tile_index, OFTString ); OGR_Fld_SetWidth( hFieldDefn, 255); OGR_L_CreateField( hLayer, hFieldDefn, TRUE ); OGR_Fld_Destroy(hFieldDefn); } } } if( hTileIndexDS == NULL || hLayer == NULL ) { fprintf( stderr, "Unable to open/create shapefile `%s'.\n", index_filename ); exit(2); } hFDefn = OGR_L_GetLayerDefn(hLayer); for( ti_field = 0; ti_field < OGR_FD_GetFieldCount(hFDefn); ti_field++ ) { OGRFieldDefnH hFieldDefn = OGR_FD_GetFieldDefn( hFDefn, ti_field ); if( strcmp(OGR_Fld_GetNameRef(hFieldDefn), tile_index) == 0 ) break; } if( ti_field == OGR_FD_GetFieldCount(hFDefn) ) { fprintf( stderr, "Unable to find field `%s' in DBF file `%s'.\n", tile_index, index_filename ); exit(2); } /* Load in memory existing file names in SHP */ nExistingFiles = OGR_L_GetFeatureCount(hLayer, FALSE); if (nExistingFiles) { OGRFeatureH hFeature; existingFilesTab = (char**)CPLMalloc(nExistingFiles * sizeof(char*)); for(i=0;i<nExistingFiles;i++) { hFeature = OGR_L_GetNextFeature(hLayer); existingFilesTab[i] = CPLStrdup(OGR_F_GetFieldAsString( hFeature, ti_field )); if (i == 0) { GDALDatasetH hDS = GDALOpen(existingFilesTab[i], GA_ReadOnly ); if (hDS) { alreadyExistingProjectionRefValid = TRUE; alreadyExistingProjectionRef = CPLStrdup(GDALGetProjectionRef(hDS)); GDALClose(hDS); } } OGR_F_Destroy( hFeature ); } } if (write_absolute_path) { current_path = CPLGetCurrentDir(); if (current_path == NULL) { fprintf( stderr, "This system does not support the CPLGetCurrentDir call. " "The option -write_absolute_path will have no effect\n"); write_absolute_path = FALSE; } } /* -------------------------------------------------------------------- */ /* loop over GDAL files, processing. */ /* -------------------------------------------------------------------- */ for( ; i_arg < argc; i_arg++ ) { GDALDatasetH hDS; double adfGeoTransform[6]; double adfX[5], adfY[5]; int nXSize, nYSize; char* fileNameToWrite; const char* projectionRef; VSIStatBuf sStatBuf; int k; OGRFeatureH hFeature; OGRGeometryH hPoly, hRing; /* Make sure it is a file before building absolute path name */ if (write_absolute_path && CPLIsFilenameRelative( argv[i_arg] ) && VSIStat( argv[i_arg], &sStatBuf ) == 0) { fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path, argv[i_arg])); } else { fileNameToWrite = CPLStrdup(argv[i_arg]); } /* Checks that file is not already in tileindex */ for(i=0;i<nExistingFiles;i++) { if (EQUAL(fileNameToWrite, existingFilesTab[i])) { fprintf(stderr, "File %s is already in tileindex. Skipping it.\n", fileNameToWrite); break; } } if (i != nExistingFiles) { CPLFree(fileNameToWrite); continue; } hDS = GDALOpen( argv[i_arg], GA_ReadOnly ); if( hDS == NULL ) { fprintf( stderr, "Unable to open %s, skipping.\n", argv[i_arg] ); CPLFree(fileNameToWrite); continue; } GDALGetGeoTransform( hDS, adfGeoTransform ); if( adfGeoTransform[0] == 0.0 && adfGeoTransform[1] == 1.0 && adfGeoTransform[3] == 0.0 && ABS(adfGeoTransform[5]) == 1.0 ) { fprintf( stderr, "It appears no georeferencing is available for\n" "`%s', skipping.\n", argv[i_arg] ); GDALClose( hDS ); CPLFree(fileNameToWrite); continue; } projectionRef = GDALGetProjectionRef(hDS); /* if not set target srs, test that the current file uses same projection as others */ if( !bSetTargetSRS ) { if (alreadyExistingProjectionRefValid) { int projectionRefNotNull, alreadyExistingProjectionRefNotNull; projectionRefNotNull = projectionRef && projectionRef[0]; alreadyExistingProjectionRefNotNull = alreadyExistingProjectionRef && alreadyExistingProjectionRef[0]; if ((projectionRefNotNull && alreadyExistingProjectionRefNotNull && EQUAL(projectionRef, alreadyExistingProjectionRef) == 0) || (projectionRefNotNull != alreadyExistingProjectionRefNotNull)) { fprintf(stderr, "Warning : %s is not using the same projection system as " "other files in the tileindex.\n" "This may cause problems when using it in MapServer for example.\n" "Use -t_srs option to set target projection system (not supported by MapServer).\n" "%s\n", argv[i_arg], (skip_different_projection) ? "Skipping this file." : ""); if (skip_different_projection) { CPLFree(fileNameToWrite); GDALClose( hDS ); continue; } } } else { alreadyExistingProjectionRefValid = TRUE; alreadyExistingProjectionRef = CPLStrdup(projectionRef); } } nXSize = GDALGetRasterXSize( hDS ); nYSize = GDALGetRasterYSize( hDS ); adfX[0] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[0] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + 0 * adfGeoTransform[5]; adfX[1] = adfGeoTransform[0] + nXSize * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[1] = adfGeoTransform[3] + nXSize * adfGeoTransform[4] + 0 * adfGeoTransform[5]; adfX[2] = adfGeoTransform[0] + nXSize * adfGeoTransform[1] + nYSize * adfGeoTransform[2]; adfY[2] = adfGeoTransform[3] + nXSize * adfGeoTransform[4] + nYSize * adfGeoTransform[5]; adfX[3] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + nYSize * adfGeoTransform[2]; adfY[3] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + nYSize * adfGeoTransform[5]; adfX[4] = adfGeoTransform[0] + 0 * adfGeoTransform[1] + 0 * adfGeoTransform[2]; adfY[4] = adfGeoTransform[3] + 0 * adfGeoTransform[4] + 0 * adfGeoTransform[5]; /* if set target srs, do the forward transformation of all points */ if( bSetTargetSRS ) { OGRSpatialReferenceH hSourceSRS = NULL; OGRCoordinateTransformationH hCT = NULL; hSourceSRS = OSRNewSpatialReference( projectionRef ); if( hSourceSRS && !OSRIsSame( hSourceSRS, hTargetSRS ) ) { hCT = OCTNewCoordinateTransformation( hSourceSRS, hTargetSRS ); if( hCT == NULL || !OCTTransform( hCT, 5, adfX, adfY, NULL ) ) { fprintf( stderr, "Warning : unable to transform points from source SRS `%s' to target SRS `%s'\n" "for file `%s' - file skipped\n", projectionRef, pszTargetSRS, fileNameToWrite ); if ( hCT ) OCTDestroyCoordinateTransformation( hCT ); if ( hSourceSRS ) OSRDestroySpatialReference( hSourceSRS ); continue; } if ( hCT ) OCTDestroyCoordinateTransformation( hCT ); } if ( hSourceSRS ) OSRDestroySpatialReference( hSourceSRS ); } hFeature = OGR_F_Create( OGR_L_GetLayerDefn( hLayer ) ); OGR_F_SetFieldString( hFeature, ti_field, fileNameToWrite ); hPoly = OGR_G_CreateGeometry(wkbPolygon); hRing = OGR_G_CreateGeometry(wkbLinearRing); for(k=0;k<5;k++) OGR_G_SetPoint_2D(hRing, k, adfX[k], adfY[k]); OGR_G_AddGeometryDirectly( hPoly, hRing ); OGR_F_SetGeometryDirectly( hFeature, hPoly ); if( OGR_L_CreateFeature( hLayer, hFeature ) != OGRERR_NONE ) { printf( "Failed to create feature in shapefile.\n" ); break; } OGR_F_Destroy( hFeature ); CPLFree(fileNameToWrite); GDALClose( hDS ); } CPLFree(current_path); if (nExistingFiles) { for(i=0;i<nExistingFiles;i++) { CPLFree(existingFilesTab[i]); } CPLFree(existingFilesTab); } CPLFree(alreadyExistingProjectionRef); if ( hTargetSRS ) OSRDestroySpatialReference( hTargetSRS ); OGR_DS_Destroy( hTileIndexDS ); GDALDestroyDriverManager(); OGRCleanupAll(); CSLDestroy(argv); exit( 0 ); }
int main( int argc, char ** argv ) { const char *pszLocX = NULL, *pszLocY = NULL; const char *pszSrcFilename = NULL; char *pszSourceSRS = NULL; std::vector<int> anBandList; bool bAsXML = false, bLIFOnly = false; bool bQuiet = false, bValOnly = false; int nOverview = -1; char **papszOpenOptions = NULL; GDALAllRegister(); argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 ); if( argc < 1 ) exit( -argc ); /* -------------------------------------------------------------------- */ /* Parse arguments. */ /* -------------------------------------------------------------------- */ int i; 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],"-b") && i < argc-1 ) { anBandList.push_back( atoi(argv[++i]) ); } else if( EQUAL(argv[i],"-overview") && i < argc-1 ) { nOverview = atoi(argv[++i]) - 1; } else if( EQUAL(argv[i],"-l_srs") && i < argc-1 ) { CPLFree(pszSourceSRS); pszSourceSRS = SanitizeSRS(argv[++i]); } else if( EQUAL(argv[i],"-geoloc") ) { CPLFree(pszSourceSRS); pszSourceSRS = CPLStrdup("-geoloc"); } else if( EQUAL(argv[i],"-wgs84") ) { CPLFree(pszSourceSRS); pszSourceSRS = SanitizeSRS("WGS84"); } else if( EQUAL(argv[i],"-xml") ) { bAsXML = true; } else if( EQUAL(argv[i],"-lifonly") ) { bLIFOnly = true; bQuiet = true; } else if( EQUAL(argv[i],"-valonly") ) { bValOnly = true; bQuiet = true; } else if( EQUAL(argv[i], "-oo") && i < argc-1 ) { papszOpenOptions = CSLAddString( papszOpenOptions, argv[++i] ); } else if( argv[i][0] == '-' && !isdigit(argv[i][1]) ) Usage(); else if( pszSrcFilename == NULL ) pszSrcFilename = argv[i]; else if( pszLocX == NULL ) pszLocX = argv[i]; else if( pszLocY == NULL ) pszLocY = argv[i]; else Usage(); } if( pszSrcFilename == NULL || (pszLocX != NULL && pszLocY == NULL) ) Usage(); /* -------------------------------------------------------------------- */ /* Open source file. */ /* -------------------------------------------------------------------- */ GDALDatasetH hSrcDS = NULL; hSrcDS = GDALOpenEx( pszSrcFilename, GDAL_OF_RASTER, NULL, (const char* const* )papszOpenOptions, NULL ); if( hSrcDS == NULL ) exit( 1 ); /* -------------------------------------------------------------------- */ /* Setup coordinate transformation, if required */ /* -------------------------------------------------------------------- */ OGRSpatialReferenceH hSrcSRS = NULL, hTrgSRS = NULL; OGRCoordinateTransformationH hCT = NULL; if( pszSourceSRS != NULL && !EQUAL(pszSourceSRS,"-geoloc") ) { hSrcSRS = OSRNewSpatialReference( pszSourceSRS ); hTrgSRS = OSRNewSpatialReference( GDALGetProjectionRef( hSrcDS ) ); hCT = OCTNewCoordinateTransformation( hSrcSRS, hTrgSRS ); if( hCT == NULL ) exit( 1 ); } /* -------------------------------------------------------------------- */ /* If no bands were requested, we will query them all. */ /* -------------------------------------------------------------------- */ if( anBandList.size() == 0 ) { for( i = 0; i < GDALGetRasterCount( hSrcDS ); i++ ) anBandList.push_back( i+1 ); } /* -------------------------------------------------------------------- */ /* Turn the location into a pixel and line location. */ /* -------------------------------------------------------------------- */ int inputAvailable = 1; double dfGeoX; double dfGeoY; CPLString osXML; if( pszLocX == NULL && pszLocY == NULL ) { if (fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2) { inputAvailable = 0; } } else { dfGeoX = CPLAtof(pszLocX); dfGeoY = CPLAtof(pszLocY); } while (inputAvailable) { int iPixel, iLine; if (hCT) { if( !OCTTransform( hCT, 1, &dfGeoX, &dfGeoY, NULL ) ) exit( 1 ); } if( pszSourceSRS != NULL ) { double adfGeoTransform[6], adfInvGeoTransform[6]; if( GDALGetGeoTransform( hSrcDS, adfGeoTransform ) != CE_None ) { CPLError(CE_Failure, CPLE_AppDefined, "Cannot get geotransform"); exit( 1 ); } if( !GDALInvGeoTransform( adfGeoTransform, adfInvGeoTransform ) ) { CPLError(CE_Failure, CPLE_AppDefined, "Cannot invert geotransform"); exit( 1 ); } iPixel = (int) floor( adfInvGeoTransform[0] + adfInvGeoTransform[1] * dfGeoX + adfInvGeoTransform[2] * dfGeoY ); iLine = (int) floor( adfInvGeoTransform[3] + adfInvGeoTransform[4] * dfGeoX + adfInvGeoTransform[5] * dfGeoY ); } else { iPixel = (int) floor(dfGeoX); iLine = (int) floor(dfGeoY); } /* -------------------------------------------------------------------- */ /* Prepare report. */ /* -------------------------------------------------------------------- */ CPLString osLine; if( bAsXML ) { osLine.Printf( "<Report pixel=\"%d\" line=\"%d\">", iPixel, iLine ); osXML += osLine; } else if( !bQuiet ) { printf( "Report:\n" ); printf( " Location: (%dP,%dL)\n", iPixel, iLine ); } int bPixelReport = TRUE; if( iPixel < 0 || iLine < 0 || iPixel >= GDALGetRasterXSize( hSrcDS ) || iLine >= GDALGetRasterYSize( hSrcDS ) ) { if( bAsXML ) osXML += "<Alert>Location is off this file! No further details to report.</Alert>"; else if( bValOnly ) printf("\n"); else if( !bQuiet ) printf( "\nLocation is off this file! No further details to report.\n"); bPixelReport = FALSE; } /* -------------------------------------------------------------------- */ /* Process each band. */ /* -------------------------------------------------------------------- */ for( i = 0; bPixelReport && i < (int) anBandList.size(); i++ ) { GDALRasterBandH hBand = GDALGetRasterBand( hSrcDS, anBandList[i] ); int iPixelToQuery = iPixel; int iLineToQuery = iLine; if (nOverview >= 0 && hBand != NULL) { GDALRasterBandH hOvrBand = GDALGetOverview(hBand, nOverview); if (hOvrBand != NULL) { int nOvrXSize = GDALGetRasterBandXSize(hOvrBand); int nOvrYSize = GDALGetRasterBandYSize(hOvrBand); iPixelToQuery = (int)(0.5 + 1.0 * iPixel / GDALGetRasterXSize( hSrcDS ) * nOvrXSize); iLineToQuery = (int)(0.5 + 1.0 * iLine / GDALGetRasterYSize( hSrcDS ) * nOvrYSize); if (iPixelToQuery >= nOvrXSize) iPixelToQuery = nOvrXSize - 1; if (iLineToQuery >= nOvrYSize) iLineToQuery = nOvrYSize - 1; } else { CPLError(CE_Failure, CPLE_AppDefined, "Cannot get overview %d of band %d", nOverview + 1, anBandList[i] ); } hBand = hOvrBand; } if (hBand == NULL) continue; if( bAsXML ) { osLine.Printf( "<BandReport band=\"%d\">", anBandList[i] ); osXML += osLine; } else if( !bQuiet ) { printf( " Band %d:\n", anBandList[i] ); } /* -------------------------------------------------------------------- */ /* Request location info for this location. It is possible */ /* only the VRT driver actually supports this. */ /* -------------------------------------------------------------------- */ CPLString osItem; osItem.Printf( "Pixel_%d_%d", iPixelToQuery, iLineToQuery ); const char *pszLI = GDALGetMetadataItem( hBand, osItem, "LocationInfo"); if( pszLI != NULL ) { if( bAsXML ) osXML += pszLI; else if( !bQuiet ) printf( " %s\n", pszLI ); else if( bLIFOnly ) { /* Extract all files, if any. */ CPLXMLNode *psRoot = CPLParseXMLString( pszLI ); if( psRoot != NULL && psRoot->psChild != NULL && psRoot->eType == CXT_Element && EQUAL(psRoot->pszValue,"LocationInfo") ) { CPLXMLNode *psNode; for( psNode = psRoot->psChild; psNode != NULL; psNode = psNode->psNext ) { if( psNode->eType == CXT_Element && EQUAL(psNode->pszValue,"File") && psNode->psChild != NULL ) { char* pszUnescaped = CPLUnescapeString( psNode->psChild->pszValue, NULL, CPLES_XML); printf( "%s\n", pszUnescaped ); CPLFree(pszUnescaped); } } } CPLDestroyXMLNode( psRoot ); } } /* -------------------------------------------------------------------- */ /* Report the pixel value of this band. */ /* -------------------------------------------------------------------- */ double adfPixel[2]; if( GDALRasterIO( hBand, GF_Read, iPixelToQuery, iLineToQuery, 1, 1, adfPixel, 1, 1, GDT_CFloat64, 0, 0) == CE_None ) { CPLString osValue; if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) ) osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] ); else osValue.Printf( "%.15g", adfPixel[0] ); if( bAsXML ) { osXML += "<Value>"; osXML += osValue; osXML += "</Value>"; } else if( !bQuiet ) printf( " Value: %s\n", osValue.c_str() ); else if( bValOnly ) printf( "%s\n", osValue.c_str() ); // Report unscaled if we have scale/offset values. int bSuccess; double dfOffset = GDALGetRasterOffset( hBand, &bSuccess ); double dfScale = GDALGetRasterScale( hBand, &bSuccess ); if( dfOffset != 0.0 || dfScale != 1.0 ) { adfPixel[0] = adfPixel[0] * dfScale + dfOffset; adfPixel[1] = adfPixel[1] * dfScale + dfOffset; if( GDALDataTypeIsComplex( GDALGetRasterDataType( hBand ) ) ) osValue.Printf( "%.15g+%.15gi", adfPixel[0], adfPixel[1] ); else osValue.Printf( "%.15g", adfPixel[0] ); if( bAsXML ) { osXML += "<DescaledValue>"; osXML += osValue; osXML += "</DescaledValue>"; } else if( !bQuiet ) printf( " Descaled Value: %s\n", osValue.c_str() ); } } if( bAsXML ) osXML += "</BandReport>"; } osXML += "</Report>"; if( (pszLocX != NULL && pszLocY != NULL) || (fscanf(stdin, "%lf %lf", &dfGeoX, &dfGeoY) != 2) ) { inputAvailable = 0; } } /* -------------------------------------------------------------------- */ /* Finalize xml report and print. */ /* -------------------------------------------------------------------- */ if( bAsXML ) { CPLXMLNode *psRoot; char *pszFormattedXML; psRoot = CPLParseXMLString( osXML ); pszFormattedXML = CPLSerializeXMLTree( psRoot ); CPLDestroyXMLNode( psRoot ); printf( "%s", pszFormattedXML ); CPLFree( pszFormattedXML ); } /* -------------------------------------------------------------------- */ /* Cleanup */ /* -------------------------------------------------------------------- */ if (hCT) { OSRDestroySpatialReference( hSrcSRS ); OSRDestroySpatialReference( hTrgSRS ); OCTDestroyCoordinateTransformation( hCT ); } if (hSrcDS) GDALClose(hSrcDS); GDALDumpOpenDatasets( stderr ); GDALDestroyDriverManager(); CPLFree(pszSourceSRS); CSLDestroy(papszOpenOptions); CSLDestroy( argv ); return 0; }