int FindEPSG( const OGRSpatialReference &oSRS ) { char *pszWKT = NULL; char *pszESRI = NULL; int nFound = -1; OGRSpatialReference *poSRS = NULL; poSRS = oSRS.Clone(); poSRS->StripCTParms(); poSRS->exportToWkt( &pszWKT ); OGRSpatialReference::DestroySpatialReference( poSRS ); poSRS = oSRS.Clone(); poSRS->morphToESRI( ); poSRS->exportToWkt( &pszESRI ); OGRSpatialReference::DestroySpatialReference( poSRS ); CPLDebug( "gdalsrsinfo", "FindEPSG()\nWKT (OGC)= %s\nWKT (ESRI)=%s", pszWKT,pszESRI ); /* search for EPSG code in epsg_*.wkt.gz files */ /* using ESRI WKT for now, as it seems to work best */ nFound = SearchCSVForWKT( "epsg_esri.wkt.gz", pszESRI ); if ( nFound == -1 ) nFound = SearchCSVForWKT( "epsg_ogc_simple.wkt.gz", pszESRI ); if ( nFound == -1 ) nFound = SearchCSVForWKT( "epsg_ogc.wkt.gz", pszESRI ); CPLFree( pszWKT ); CPLFree( pszESRI ); return nFound; }
OGRLayer * OGRMemDataSource::ICreateLayer( const char *pszLayerName, OGRSpatialReference *poSRSIn, OGRwkbGeometryType eType, char **papszOptions ) { // Create the layer object. OGRSpatialReference* poSRS = poSRSIn; if( poSRS ) { poSRS = poSRS->Clone(); poSRS->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER); } OGRMemLayer *poLayer = new OGRMemLayer(pszLayerName, poSRS, eType); if( poSRS ) { poSRS->Release(); } if( CPLFetchBool(papszOptions, "ADVERTIZE_UTF8", false) ) poLayer->SetAdvertizeUTF8(true); // Add layer to data source layer list. papoLayers = static_cast<OGRMemLayer **>( CPLRealloc(papoLayers, sizeof(OGRMemLayer *) * (nLayers + 1))); papoLayers[nLayers++] = poLayer; return poLayer; }
OGRLayer *OGRAmigoCloudDataSource::ICreateLayer( const char *pszNameIn, OGRSpatialReference *poSpatialRef, OGRwkbGeometryType eGType, char ** papszOptions ) { if( !bReadWrite ) { CPLError(CE_Failure, CPLE_AppDefined, "Operation not available in read-only mode"); return nullptr; } CPLString osName(pszNameIn); OGRAmigoCloudTableLayer* poLayer = new OGRAmigoCloudTableLayer(this, osName); const bool bGeomNullable = CPLFetchBool(papszOptions, "GEOMETRY_NULLABLE", true); OGRSpatialReference* poSRSClone = poSpatialRef; if( poSRSClone ) { poSRSClone = poSRSClone->Clone(); poSRSClone->SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER); } poLayer->SetDeferredCreation(eGType, poSRSClone, bGeomNullable); if( poSRSClone ) poSRSClone->Release(); papoLayers = (OGRAmigoCloudTableLayer**) CPLRealloc( papoLayers, (nLayers + 1) * sizeof(OGRAmigoCloudTableLayer*)); papoLayers[nLayers ++] = poLayer; return poLayer; }
void CProjection::SetSpatialReference(const OGRSpatialReference& sr) { if (m_pSpatialReference) { OSRDestroySpatialReference(m_pSpatialReference); m_pSpatialReference = NULL; } m_pSpatialReference = sr.Clone(); };
void SaveGeometry(const CPLString &path, const OGRPolygon &polygon, const OGRSpatialReference &spaRef) { const char *pszDriverName = "ESRI Shapefile"; GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(pszDriverName ); if( poDriver == NULL ) { printf( "%s driver not available.\n", pszDriverName ); exit( 1 ); } GDALDataset *poDS = poDriver->Create( path, 0, 0, 0, GDT_Unknown, NULL ); if( poDS == NULL ) { printf( "Creation of output file failed.\n" ); exit( 1 ); } const char* pszLayerName = CPLGetBasename(path); OGRLayer *poLayer = poDS->CreateLayer( pszLayerName, spaRef.Clone(), wkbPolygon, NULL ); if( poLayer == NULL ) { printf( "Layer creation failed.\n" ); exit( 1 ); } OGRFieldDefn oField( "Name", OFTString ); oField.SetWidth(32); if( poLayer->CreateField( &oField ) != OGRERR_NONE ) { printf( "Creating Name field failed.\n" ); exit( 1 ); } OGRFeature *poFeature = OGRFeature::CreateFeature( poLayer->GetLayerDefn() ); //poFeature->SetField( "Name", szName ); poFeature->SetGeometry( polygon.clone() ); if( poLayer->CreateFeature( poFeature ) != OGRERR_NONE ) { printf( "Failed to create feature in shapefile.\n" ); exit( 1 ); } OGRFeature::DestroyFeature( poFeature ); GDALClose( poDS ); }
int main( int nArgc, char ** papszArgv ) { int nFirstSourceDataset = -1, bLayersWildcarded = TRUE, iArg; const char *pszFormat = "ESRI Shapefile"; const char *pszTileIndexField = "LOCATION"; const char *pszOutputName = NULL; int write_absolute_path = FALSE; int skip_different_projection = FALSE; char* current_path = NULL; int accept_different_schemas = FALSE; int bFirstWarningForNonMatchingAttributes = TRUE; /* Check strict compilation and runtime library version as we use C++ API */ if (! GDAL_CHECK_VERSION(papszArgv[0])) exit(1); /* -------------------------------------------------------------------- */ /* Register format(s). */ /* -------------------------------------------------------------------- */ OGRRegisterAll(); /* -------------------------------------------------------------------- */ /* Processing command line arguments. */ /* -------------------------------------------------------------------- */ for( iArg = 1; iArg < nArgc; iArg++ ) { if( EQUAL(papszArgv[iArg], "--utility_version") ) { printf("%s was compiled against GDAL %s and is running against GDAL %s\n", papszArgv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME")); return 0; } else if( EQUAL(papszArgv[iArg],"-f") && iArg < nArgc-1 ) { pszFormat = papszArgv[++iArg]; } else if( EQUAL(papszArgv[iArg],"-write_absolute_path")) { write_absolute_path = TRUE; } else if( EQUAL(papszArgv[iArg],"-skip_different_projection")) { skip_different_projection = TRUE; } else if( EQUAL(papszArgv[iArg],"-accept_different_schemas")) { accept_different_schemas = TRUE; } else if( EQUAL(papszArgv[iArg],"-tileindex") && iArg < nArgc-1 ) { pszTileIndexField = papszArgv[++iArg]; } else if( EQUAL(papszArgv[iArg],"-lnum") || EQUAL(papszArgv[iArg],"-lname") ) { iArg++; bLayersWildcarded = FALSE; } else if( papszArgv[iArg][0] == '-' ) Usage(); else if( pszOutputName == NULL ) pszOutputName = papszArgv[iArg]; else if( nFirstSourceDataset == -1 ) nFirstSourceDataset = iArg; } if( pszOutputName == NULL || nFirstSourceDataset == -1 ) Usage(); /* -------------------------------------------------------------------- */ /* Try to open as an existing dataset for update access. */ /* -------------------------------------------------------------------- */ OGRDataSource *poDstDS; OGRLayer *poDstLayer = NULL; poDstDS = OGRSFDriverRegistrar::Open( pszOutputName, TRUE ); /* -------------------------------------------------------------------- */ /* If that failed, find the driver so we can create the tile index.*/ /* -------------------------------------------------------------------- */ if( poDstDS == NULL ) { OGRSFDriverRegistrar *poR = OGRSFDriverRegistrar::GetRegistrar(); OGRSFDriver *poDriver = NULL; int iDriver; for( iDriver = 0; iDriver < poR->GetDriverCount() && poDriver == NULL; iDriver++ ) { if( EQUAL(poR->GetDriver(iDriver)->GetName(),pszFormat) ) { poDriver = poR->GetDriver(iDriver); } } if( poDriver == NULL ) { fprintf( stderr, "Unable to find driver `%s'.\n", pszFormat ); fprintf( stderr, "The following drivers are available:\n" ); for( iDriver = 0; iDriver < poR->GetDriverCount(); iDriver++ ) { fprintf( stderr, " -> `%s'\n", poR->GetDriver(iDriver)->GetName() ); } exit( 1 ); } if( !poDriver->TestCapability( ODrCCreateDataSource ) ) { fprintf( stderr, "%s driver does not support data source creation.\n", pszFormat ); exit( 1 ); } /* -------------------------------------------------------------------- */ /* Now create it. */ /* -------------------------------------------------------------------- */ poDstDS = poDriver->CreateDataSource( pszOutputName, NULL ); if( poDstDS == NULL ) { fprintf( stderr, "%s driver failed to create %s\n", pszFormat, pszOutputName ); exit( 1 ); } if( poDstDS->GetLayerCount() == 0 ) { OGRFieldDefn oLocation( pszTileIndexField, OFTString ); oLocation.SetWidth( 200 ); if( nFirstSourceDataset < nArgc && papszArgv[nFirstSourceDataset][0] == '-' ) { nFirstSourceDataset++; } OGRSpatialReference* poSrcSpatialRef = NULL; /* Fetches the SRS of the first layer and use it when creating the tileindex layer */ if (nFirstSourceDataset < nArgc) { OGRDataSource* poDS = OGRSFDriverRegistrar::Open( papszArgv[nFirstSourceDataset], FALSE ); if (poDS) { int iLayer; for( iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ ) { int bRequested = bLayersWildcarded; OGRLayer *poLayer = poDS->GetLayer(iLayer); for( iArg = 1; iArg < nArgc && !bRequested; iArg++ ) { if( EQUAL(papszArgv[iArg],"-lnum") && atoi(papszArgv[iArg+1]) == iLayer ) bRequested = TRUE; else if( EQUAL(papszArgv[iArg],"-lname") && EQUAL(papszArgv[iArg+1], poLayer->GetLayerDefn()->GetName()) ) bRequested = TRUE; } if( !bRequested ) continue; if ( poLayer->GetSpatialRef() ) poSrcSpatialRef = poLayer->GetSpatialRef()->Clone(); break; } } OGRDataSource::DestroyDataSource( poDS ); } poDstLayer = poDstDS->CreateLayer( "tileindex", poSrcSpatialRef ); poDstLayer->CreateField( &oLocation, OFTString ); OGRSpatialReference::DestroySpatialReference( poSrcSpatialRef ); } } /* -------------------------------------------------------------------- */ /* Identify target layer and field. */ /* -------------------------------------------------------------------- */ int iTileIndexField; poDstLayer = poDstDS->GetLayer(0); if( poDstLayer == NULL ) { fprintf( stderr, "Can't find any layer in output tileindex!\n" ); exit( 1 ); } iTileIndexField = poDstLayer->GetLayerDefn()->GetFieldIndex( pszTileIndexField ); if( iTileIndexField == -1 ) { fprintf( stderr, "Can't find %s field in tile index dataset.\n", pszTileIndexField ); exit( 1 ); } OGRFeatureDefn* poFeatureDefn = NULL; /* Load in memory existing file names in SHP */ int nExistingLayers = 0; char** existingLayersTab = NULL; OGRSpatialReference* alreadyExistingSpatialRef = NULL; int alreadyExistingSpatialRefValid = FALSE; nExistingLayers = poDstLayer->GetFeatureCount(); if (nExistingLayers) { int i; existingLayersTab = (char**)CPLMalloc(nExistingLayers * sizeof(char*)); for(i=0;i<nExistingLayers;i++) { OGRFeature* feature = poDstLayer->GetNextFeature(); existingLayersTab[i] = CPLStrdup(feature->GetFieldAsString( iTileIndexField)); if (i == 0) { OGRDataSource *poDS; char* filename = CPLStrdup(existingLayersTab[i]); int j; for(j=strlen(filename)-1;j>=0;j--) { if (filename[j] == ',') break; } if (j >= 0) { int iLayer = atoi(filename + j + 1); filename[j] = 0; poDS = OGRSFDriverRegistrar::Open(filename, FALSE ); if (poDS) { OGRLayer *poLayer = poDS->GetLayer(iLayer); if (poLayer) { alreadyExistingSpatialRefValid = TRUE; alreadyExistingSpatialRef = (poLayer->GetSpatialRef()) ? poLayer->GetSpatialRef()->Clone() : NULL; if (poFeatureDefn == NULL) poFeatureDefn = poLayer->GetLayerDefn()->Clone(); } OGRDataSource::DestroyDataSource( poDS ); } } } } } 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; } } /* ==================================================================== */ /* Process each input datasource in turn. */ /* ==================================================================== */ for(; nFirstSourceDataset < nArgc; nFirstSourceDataset++ ) { int i; OGRDataSource *poDS; if( papszArgv[nFirstSourceDataset][0] == '-' ) { nFirstSourceDataset++; continue; } char* fileNameToWrite; VSIStatBuf sStatBuf; if (write_absolute_path && CPLIsFilenameRelative( papszArgv[nFirstSourceDataset] ) && VSIStat( papszArgv[nFirstSourceDataset], &sStatBuf ) == 0) { fileNameToWrite = CPLStrdup(CPLProjectRelativeFilename(current_path,papszArgv[nFirstSourceDataset])); } else { fileNameToWrite = CPLStrdup(papszArgv[nFirstSourceDataset]); } poDS = OGRSFDriverRegistrar::Open( papszArgv[nFirstSourceDataset], FALSE ); if( poDS == NULL ) { fprintf( stderr, "Failed to open dataset %s, skipping.\n", papszArgv[nFirstSourceDataset] ); CPLFree(fileNameToWrite); continue; } /* -------------------------------------------------------------------- */ /* Check all layers, and see if they match requests. */ /* -------------------------------------------------------------------- */ int iLayer; for( iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ ) { int bRequested = bLayersWildcarded; OGRLayer *poLayer = poDS->GetLayer(iLayer); for( iArg = 1; iArg < nArgc && !bRequested; iArg++ ) { if( EQUAL(papszArgv[iArg],"-lnum") && atoi(papszArgv[iArg+1]) == iLayer ) bRequested = TRUE; else if( EQUAL(papszArgv[iArg],"-lname") && EQUAL(papszArgv[iArg+1], poLayer->GetLayerDefn()->GetName()) ) bRequested = TRUE; } if( !bRequested ) continue; /* Checks that the layer is not already in tileindex */ for(i=0;i<nExistingLayers;i++) { char szLocation[5000]; sprintf( szLocation, "%s,%d", fileNameToWrite, iLayer ); if (EQUAL(szLocation, existingLayersTab[i])) { fprintf(stderr, "Layer %d of %s is already in tileindex. Skipping it.\n", iLayer, papszArgv[nFirstSourceDataset]); break; } } if (i != nExistingLayers) { continue; } OGRSpatialReference* spatialRef = poLayer->GetSpatialRef(); if (alreadyExistingSpatialRefValid) { if ((spatialRef != NULL && alreadyExistingSpatialRef != NULL && spatialRef->IsSame(alreadyExistingSpatialRef) == FALSE) || ((spatialRef != NULL) != (alreadyExistingSpatialRef != NULL))) { fprintf(stderr, "Warning : layer %d of %s is not using the same projection system as " "other files in the tileindex. This may cause problems when " "using it in MapServer for example.%s\n", iLayer, papszArgv[nFirstSourceDataset], (skip_different_projection) ? " Skipping it" : ""); if (skip_different_projection) { continue; } } } else { alreadyExistingSpatialRefValid = TRUE; alreadyExistingSpatialRef = (spatialRef) ? spatialRef->Clone() : NULL; } /* -------------------------------------------------------------------- */ /* Check if all layers in dataset have the same attributes schema. */ /* -------------------------------------------------------------------- */ if( poFeatureDefn == NULL ) { poFeatureDefn = poLayer->GetLayerDefn()->Clone(); } else if ( !accept_different_schemas ) { OGRFeatureDefn* poFeatureDefnCur = poLayer->GetLayerDefn(); assert(NULL != poFeatureDefnCur); int fieldCount = poFeatureDefnCur->GetFieldCount(); if( fieldCount != poFeatureDefn->GetFieldCount()) { fprintf( stderr, "Number of attributes of layer %s of %s does not match ... skipping it.\n", poLayer->GetLayerDefn()->GetName(), papszArgv[nFirstSourceDataset]); if (bFirstWarningForNonMatchingAttributes) { fprintf( stderr, "Note : you can override this behaviour with -accept_different_schemas option\n" "but this may result in a tileindex incompatible with MapServer\n"); bFirstWarningForNonMatchingAttributes = FALSE; } continue; } int bSkip = FALSE; for( int fn = 0; fn < poFeatureDefnCur->GetFieldCount(); fn++ ) { OGRFieldDefn* poField = poFeatureDefn->GetFieldDefn(fn); OGRFieldDefn* poFieldCur = poFeatureDefnCur->GetFieldDefn(fn); /* XXX - Should those pointers be checked against NULL? */ assert(NULL != poField); assert(NULL != poFieldCur); if( poField->GetType() != poFieldCur->GetType() || poField->GetWidth() != poFieldCur->GetWidth() || poField->GetPrecision() != poFieldCur->GetPrecision() || !EQUAL( poField->GetNameRef(), poFieldCur->GetNameRef() ) ) { fprintf( stderr, "Schema of attributes of layer %s of %s does not match ... skipping it.\n", poLayer->GetLayerDefn()->GetName(), papszArgv[nFirstSourceDataset]); if (bFirstWarningForNonMatchingAttributes) { fprintf( stderr, "Note : you can override this behaviour with -accept_different_schemas option\n" "but this may result in a tileindex incompatible with MapServer\n"); bFirstWarningForNonMatchingAttributes = FALSE; } bSkip = TRUE; break; } } if (bSkip) continue; } /* -------------------------------------------------------------------- */ /* Get layer extents, and create a corresponding polygon */ /* geometry. */ /* -------------------------------------------------------------------- */ OGREnvelope sExtents; OGRPolygon oRegion; OGRLinearRing oRing; if( poLayer->GetExtent( &sExtents, TRUE ) != OGRERR_NONE ) { fprintf( stderr, "GetExtent() failed on layer %s of %s, skipping.\n", poLayer->GetLayerDefn()->GetName(), papszArgv[nFirstSourceDataset] ); continue; } oRing.addPoint( sExtents.MinX, sExtents.MinY ); oRing.addPoint( sExtents.MinX, sExtents.MaxY ); oRing.addPoint( sExtents.MaxX, sExtents.MaxY ); oRing.addPoint( sExtents.MaxX, sExtents.MinY ); oRing.addPoint( sExtents.MinX, sExtents.MinY ); oRegion.addRing( &oRing ); /* -------------------------------------------------------------------- */ /* Add layer to tileindex. */ /* -------------------------------------------------------------------- */ char szLocation[5000]; OGRFeature oTileFeat( poDstLayer->GetLayerDefn() ); sprintf( szLocation, "%s,%d", fileNameToWrite, iLayer ); oTileFeat.SetGeometry( &oRegion ); oTileFeat.SetField( iTileIndexField, szLocation ); if( poDstLayer->CreateFeature( &oTileFeat ) != OGRERR_NONE ) { fprintf( stderr, "Failed to create feature on tile index ... terminating." ); OGRDataSource::DestroyDataSource( poDstDS ); exit( 1 ); } } /* -------------------------------------------------------------------- */ /* Cleanup this data source. */ /* -------------------------------------------------------------------- */ CPLFree(fileNameToWrite); OGRDataSource::DestroyDataSource( poDS ); } /* -------------------------------------------------------------------- */ /* Close tile index and clear buffers. */ /* -------------------------------------------------------------------- */ OGRDataSource::DestroyDataSource( poDstDS ); OGRFeatureDefn::DestroyFeatureDefn( poFeatureDefn ); if (alreadyExistingSpatialRef != NULL) OGRSpatialReference::DestroySpatialReference( alreadyExistingSpatialRef ); CPLFree(current_path); if (nExistingLayers) { int i; for(i=0;i<nExistingLayers;i++) { CPLFree(existingLayersTab[i]); } CPLFree(existingLayersTab); } return 0; }
int main( int nArgc, char ** papszArgv ) { OGRSpatialReference oSRS; int i; int bReportXML = FALSE; /* -------------------------------------------------------------------- */ /* Processing command line arguments. */ /* -------------------------------------------------------------------- */ nArgc = OGRGeneralCmdLineProcessor( nArgc, &papszArgv, 0 ); if( nArgc < 2 ) Usage(); for( i = 1; i < nArgc; i++ ) { if( EQUAL(papszArgv[i],"-xml") ) bReportXML = TRUE; else if( EQUAL(papszArgv[i],"-t") && i < nArgc - 4 ) { OGRSpatialReference oSourceSRS, oTargetSRS; OGRCoordinateTransformation *poCT; double x, y, z_orig, z; int nArgsUsed = 4; if( oSourceSRS.SetFromUserInput(papszArgv[i+1]) != OGRERR_NONE ) { CPLError( CE_Failure, CPLE_AppDefined, "SetFromUserInput(%s) failed.", papszArgv[i+1] ); continue; } if( oTargetSRS.SetFromUserInput(papszArgv[i+2]) != OGRERR_NONE ) { CPLError( CE_Failure, CPLE_AppDefined, "SetFromUserInput(%s) failed.", papszArgv[i+2] ); continue; } poCT = OGRCreateCoordinateTransformation( &oSourceSRS, &oTargetSRS ); x = CPLAtof( papszArgv[i+3] ); y = CPLAtof( papszArgv[i+4] ); if( i < nArgc - 5 && (CPLAtof(papszArgv[i+5]) > 0.0 || papszArgv[i+5][0] == '0') ) { z_orig = z = CPLAtof(papszArgv[i+5]); nArgsUsed++; } else z_orig = z = 0; if( poCT == NULL || !poCT->Transform( 1, &x, &y, &z ) ) printf( "Transformation failed.\n" ); else printf( "(%f,%f,%f) -> (%f,%f,%f)\n", CPLAtof( papszArgv[i+3] ), CPLAtof( papszArgv[i+4] ), z_orig, x, y, z ); i += nArgsUsed; } else { /* coverity[tainted_data] */ if( oSRS.SetFromUserInput(papszArgv[i]) != OGRERR_NONE ) CPLError( CE_Failure, CPLE_AppDefined, "Error occurred translating %s.\n", papszArgv[i] ); else { char *pszWKT = NULL; if( oSRS.Validate() != OGRERR_NONE ) printf( "Validate Fails.\n" ); else printf( "Validate Succeeds.\n" ); oSRS.exportToPrettyWkt( &pszWKT, FALSE ); printf( "WKT[%s] =\n%s\n", papszArgv[i], pszWKT ); CPLFree( pszWKT ); printf( "\n" ); oSRS.exportToPrettyWkt( &pszWKT, TRUE ); printf( "Simplified WKT[%s] =\n%s\n", papszArgv[i], pszWKT ); CPLFree( pszWKT ); printf( "\n" ); OGRSpatialReference *poSRS2; poSRS2 = oSRS.Clone(); poSRS2->StripCTParms(); poSRS2->exportToWkt( &pszWKT ); printf( "Old Style WKT[%s] = %s\n", papszArgv[i], pszWKT ); CPLFree( pszWKT ); OGRSpatialReference::DestroySpatialReference( poSRS2 ); poSRS2 = oSRS.Clone(); poSRS2->morphToESRI(); poSRS2->exportToPrettyWkt( &pszWKT, FALSE ); printf( "ESRI'ified WKT[%s] = \n%s\n", papszArgv[i], pszWKT ); CPLFree( pszWKT ); OGRSpatialReference::DestroySpatialReference( poSRS2 ); oSRS.exportToProj4( &pszWKT ); printf( "PROJ.4 rendering of [%s] = %s\n", papszArgv[i], pszWKT ); CPLFree( pszWKT ); if( bReportXML ) { char *pszRawXML; if( oSRS.exportToXML(&pszRawXML) == OGRERR_NONE ) { printf( "XML[%s] =\n%s\n", papszArgv[i], pszRawXML ); CPLFree( pszRawXML ); } else { printf( "XML translation failed\n" ); } } printf( "\n" ); } } } CSLDestroy( papszArgv ); OSRCleanup(); CPLFinderClean(); CPLCleanupTLS(); return 0; }
OGRLayer* OGRVRTDataSource::InstanciateUnionLayer( CPLXMLNode *psLTree, const char *pszVRTDirectory, int bUpdate, int nRecLevel) { CPLXMLNode *psSubNode; if( !EQUAL(psLTree->pszValue,"OGRVRTUnionLayer") ) return NULL; /* -------------------------------------------------------------------- */ /* Get layer name. */ /* -------------------------------------------------------------------- */ const char *pszLayerName = CPLGetXMLValue( psLTree, "name", NULL ); if( pszLayerName == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Missing name attribute on OGRVRTUnionLayer" ); return FALSE; } /* -------------------------------------------------------------------- */ /* Do we have a fixed geometry type? If not derive from the */ /* source layer. */ /* -------------------------------------------------------------------- */ const char* pszGType = CPLGetXMLValue( psLTree, "GeometryType", NULL ); int bGlobalGeomTypeSet = FALSE; OGRwkbGeometryType eGlobalGeomType = wkbUnknown; if( pszGType != NULL ) { int bError; bGlobalGeomTypeSet = TRUE; eGlobalGeomType = OGRVRTGetGeometryType(pszGType, &bError); if( bError ) { CPLError( CE_Failure, CPLE_AppDefined, "GeometryType %s not recognised.", pszGType ); return NULL; } } /* -------------------------------------------------------------------- */ /* Apply a spatial reference system if provided */ /* -------------------------------------------------------------------- */ const char* pszLayerSRS = CPLGetXMLValue( psLTree, "LayerSRS", NULL ); OGRSpatialReference* poGlobalSRS = NULL; int bGlobalSRSSet = FALSE; if( pszLayerSRS != NULL ) { bGlobalSRSSet = TRUE; if( !EQUAL(pszLayerSRS,"NULL") ) { OGRSpatialReference oSRS; if( oSRS.SetFromUserInput( pszLayerSRS ) != OGRERR_NONE ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to import LayerSRS `%s'.", pszLayerSRS ); return FALSE; } poGlobalSRS = oSRS.Clone(); } } /* -------------------------------------------------------------------- */ /* Find field declarations. */ /* -------------------------------------------------------------------- */ OGRFieldDefn** papoFields = NULL; int nFields = 0; OGRUnionLayerGeomFieldDefn** papoGeomFields = NULL; int nGeomFields = 0; for( psSubNode=psLTree->psChild; psSubNode != NULL; psSubNode=psSubNode->psNext ) { if( psSubNode->eType != CXT_Element ) continue; if( psSubNode->eType == CXT_Element && EQUAL(psSubNode->pszValue,"Field") ) { /* -------------------------------------------------------------------- */ /* Field name. */ /* -------------------------------------------------------------------- */ const char *pszName = CPLGetXMLValue( psSubNode, "name", NULL ); if( pszName == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to identify Field name." ); break; } OGRFieldDefn oFieldDefn( pszName, OFTString ); /* -------------------------------------------------------------------- */ /* Type */ /* -------------------------------------------------------------------- */ const char *pszArg = CPLGetXMLValue( psSubNode, "type", NULL ); if( pszArg != NULL ) { int iType; for( iType = 0; iType <= (int) OFTMaxType; iType++ ) { if( EQUAL(pszArg,OGRFieldDefn::GetFieldTypeName( (OGRFieldType)iType)) ) { oFieldDefn.SetType( (OGRFieldType) iType ); break; } } if( iType > (int) OFTMaxType ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to identify Field type '%s'.", pszArg ); break; } } /* -------------------------------------------------------------------- */ /* Width and precision. */ /* -------------------------------------------------------------------- */ int nWidth = atoi(CPLGetXMLValue( psSubNode, "width", "0" )); if (nWidth < 0) { CPLError( CE_Failure, CPLE_IllegalArg, "Invalid width for field %s.", pszName ); break; } oFieldDefn.SetWidth(nWidth); int nPrecision = atoi(CPLGetXMLValue( psSubNode, "precision", "0" )); if (nPrecision < 0 || nPrecision > 1024) { CPLError( CE_Failure, CPLE_IllegalArg, "Invalid precision for field %s.", pszName ); break; } oFieldDefn.SetPrecision(nPrecision); papoFields = (OGRFieldDefn**) CPLRealloc(papoFields, sizeof(OGRFieldDefn*) * (nFields + 1)); papoFields[nFields] = new OGRFieldDefn(&oFieldDefn); nFields ++; } else if( psSubNode->eType == CXT_Element && EQUAL(psSubNode->pszValue,"GeometryField") ) { const char *pszName = CPLGetXMLValue( psSubNode, "name", NULL ); if( pszName == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to identify GeometryField name." ); break; } pszGType = CPLGetXMLValue( psSubNode, "GeometryType", NULL ); if( pszGType == NULL && nGeomFields == 0 ) pszGType = CPLGetXMLValue( psLTree, "GeometryType", NULL ); OGRwkbGeometryType eGeomType = wkbUnknown; int bGeomTypeSet = FALSE; if( pszGType != NULL ) { int bError; eGeomType = OGRVRTGetGeometryType(pszGType, &bError); bGeomTypeSet = TRUE; if( bError || eGeomType == wkbNone ) { CPLError( CE_Failure, CPLE_AppDefined, "GeometryType %s not recognised.", pszGType ); break; } } const char* pszSRS = CPLGetXMLValue( psSubNode, "SRS", NULL ); if( pszSRS == NULL && nGeomFields == 0 ) pszSRS = CPLGetXMLValue( psLTree, "LayerSRS", NULL ); OGRSpatialReference* poSRS = NULL; int bSRSSet = FALSE; if( pszSRS != NULL ) { bSRSSet = TRUE; if( !EQUAL(pszSRS,"NULL") ) { OGRSpatialReference oSRS; if( oSRS.SetFromUserInput( pszSRS ) != OGRERR_NONE ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to import SRS `%s'.", pszSRS ); break; } poSRS = oSRS.Clone(); } } OGRUnionLayerGeomFieldDefn* poFieldDefn = new OGRUnionLayerGeomFieldDefn(pszName, eGeomType); if( poSRS != NULL ) { poFieldDefn->SetSpatialRef(poSRS); poSRS->Dereference(); } poFieldDefn->bGeomTypeSet = bGeomTypeSet; poFieldDefn->bSRSSet = bSRSSet; const char* pszExtentXMin = CPLGetXMLValue( psSubNode, "ExtentXMin", NULL ); const char* pszExtentYMin = CPLGetXMLValue( psSubNode, "ExtentYMin", NULL ); const char* pszExtentXMax = CPLGetXMLValue( psSubNode, "ExtentXMax", NULL ); const char* pszExtentYMax = CPLGetXMLValue( psSubNode, "ExtentYMax", NULL ); if( pszExtentXMin != NULL && pszExtentYMin != NULL && pszExtentXMax != NULL && pszExtentYMax != NULL ) { poFieldDefn->sStaticEnvelope.MinX = CPLAtof(pszExtentXMin); poFieldDefn->sStaticEnvelope.MinY = CPLAtof(pszExtentYMin); poFieldDefn->sStaticEnvelope.MaxX = CPLAtof(pszExtentXMax); poFieldDefn->sStaticEnvelope.MaxY = CPLAtof(pszExtentYMax); } papoGeomFields = (OGRUnionLayerGeomFieldDefn**) CPLRealloc(papoGeomFields, sizeof(OGRUnionLayerGeomFieldDefn*) * (nGeomFields + 1)); papoGeomFields[nGeomFields] = poFieldDefn; nGeomFields ++; } } /* -------------------------------------------------------------------- */ /* Set Extent if provided */ /* -------------------------------------------------------------------- */ const char* pszExtentXMin = CPLGetXMLValue( psLTree, "ExtentXMin", NULL ); const char* pszExtentYMin = CPLGetXMLValue( psLTree, "ExtentYMin", NULL ); const char* pszExtentXMax = CPLGetXMLValue( psLTree, "ExtentXMax", NULL ); const char* pszExtentYMax = CPLGetXMLValue( psLTree, "ExtentYMax", NULL ); if( eGlobalGeomType != wkbNone && nGeomFields == 0 && (bGlobalGeomTypeSet || bGlobalSRSSet || (pszExtentXMin != NULL && pszExtentYMin != NULL && pszExtentXMax != NULL && pszExtentYMax != NULL)) ) { OGRUnionLayerGeomFieldDefn* poFieldDefn = new OGRUnionLayerGeomFieldDefn("", eGlobalGeomType); if( poGlobalSRS != NULL ) { poFieldDefn->SetSpatialRef(poGlobalSRS); poGlobalSRS->Dereference(); poGlobalSRS = NULL; } poFieldDefn->bGeomTypeSet = bGlobalGeomTypeSet; poFieldDefn->bSRSSet = bGlobalSRSSet; if( pszExtentXMin != NULL && pszExtentYMin != NULL && pszExtentXMax != NULL && pszExtentYMax != NULL ) { poFieldDefn->sStaticEnvelope.MinX = CPLAtof(pszExtentXMin); poFieldDefn->sStaticEnvelope.MinY = CPLAtof(pszExtentYMin); poFieldDefn->sStaticEnvelope.MaxX = CPLAtof(pszExtentXMax); poFieldDefn->sStaticEnvelope.MaxY = CPLAtof(pszExtentYMax); } papoGeomFields = (OGRUnionLayerGeomFieldDefn**) CPLRealloc(papoGeomFields, sizeof(OGRUnionLayerGeomFieldDefn*) * (nGeomFields + 1)); papoGeomFields[nGeomFields] = poFieldDefn; nGeomFields ++; } else { delete poGlobalSRS; poGlobalSRS = NULL; } /* -------------------------------------------------------------------- */ /* Find source layers */ /* -------------------------------------------------------------------- */ int nSrcLayers = 0; OGRLayer** papoSrcLayers = NULL; for( psSubNode=psLTree->psChild; psSubNode != NULL; psSubNode=psSubNode->psNext ) { if( psSubNode->eType != CXT_Element ) continue; OGRLayer* poSrcLayer = InstanciateLayer(psSubNode, pszVRTDirectory, bUpdate, nRecLevel + 1); if( poSrcLayer != NULL ) { papoSrcLayers = (OGRLayer**) CPLRealloc(papoSrcLayers, sizeof(OGRLayer*) * (nSrcLayers + 1)); papoSrcLayers[nSrcLayers] = poSrcLayer; nSrcLayers ++; } } if( nSrcLayers == 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Cannot find source layers" ); int iField; for(iField = 0; iField < nFields; iField++) delete papoFields[iField]; CPLFree(papoFields); for(iField = 0; iField < nGeomFields; iField++) delete papoGeomFields[iField]; CPLFree(papoGeomFields); return NULL; } /* -------------------------------------------------------------------- */ /* Build the OGRUnionLayer. */ /* -------------------------------------------------------------------- */ OGRUnionLayer* poLayer = new OGRUnionLayer( pszLayerName, nSrcLayers, papoSrcLayers, TRUE ); /* -------------------------------------------------------------------- */ /* Set the source layer field name attribute. */ /* -------------------------------------------------------------------- */ const char* pszSourceLayerFieldName = CPLGetXMLValue( psLTree, "SourceLayerFieldName", NULL ); poLayer->SetSourceLayerFieldName(pszSourceLayerFieldName); /* -------------------------------------------------------------------- */ /* Set the PreserveSrcFID attribute. */ /* -------------------------------------------------------------------- */ int bPreserveSrcFID = FALSE; const char* pszPreserveFID = CPLGetXMLValue( psLTree, "PreserveSrcFID", NULL ); if( pszPreserveFID != NULL ) bPreserveSrcFID = CSLTestBoolean(pszPreserveFID); poLayer->SetPreserveSrcFID(bPreserveSrcFID); /* -------------------------------------------------------------------- */ /* Set fields */ /* -------------------------------------------------------------------- */ FieldUnionStrategy eFieldStrategy = FIELD_UNION_ALL_LAYERS; const char* pszFieldStrategy = CPLGetXMLValue( psLTree, "FieldStrategy", NULL ); if( pszFieldStrategy != NULL ) { if( EQUAL(pszFieldStrategy, "FirstLayer") ) eFieldStrategy = FIELD_FROM_FIRST_LAYER; else if( EQUAL(pszFieldStrategy, "Union") ) eFieldStrategy = FIELD_UNION_ALL_LAYERS; else if( EQUAL(pszFieldStrategy, "Intersection") ) eFieldStrategy = FIELD_INTERSECTION_ALL_LAYERS; else { CPLError( CE_Warning, CPLE_AppDefined, "Unhandled value for FieldStrategy `%s'.", pszFieldStrategy ); } } if( nFields != 0 || nGeomFields > 1 ) { if( pszFieldStrategy != NULL ) CPLError( CE_Warning, CPLE_AppDefined, "Ignoring FieldStrategy value, because explicit Field or GeometryField is provided") ; eFieldStrategy = FIELD_SPECIFIED; } poLayer->SetFields(eFieldStrategy, nFields, papoFields, (nGeomFields == 0 && eGlobalGeomType == wkbNone) ? -1 : nGeomFields, papoGeomFields); int iField; for(iField = 0; iField < nFields; iField++) delete papoFields[iField]; CPLFree(papoFields); for(iField = 0; iField < nGeomFields; iField++) delete papoGeomFields[iField]; CPLFree(papoGeomFields); /* -------------------------------------------------------------------- */ /* Set FeatureCount if provided */ /* -------------------------------------------------------------------- */ const char* pszFeatureCount = CPLGetXMLValue( psLTree, "FeatureCount", NULL ); if( pszFeatureCount != NULL ) { poLayer->SetFeatureCount(atoi(pszFeatureCount)); } return poLayer; }
OGRLayer* OGRVRTDataSource::InstanciateWarpedLayer( CPLXMLNode *psLTree, const char *pszVRTDirectory, int bUpdate, int nRecLevel) { if( !EQUAL(psLTree->pszValue,"OGRVRTWarpedLayer") ) return NULL; CPLXMLNode *psSubNode; OGRLayer* poSrcLayer = NULL; for( psSubNode=psLTree->psChild; psSubNode != NULL; psSubNode=psSubNode->psNext ) { if( psSubNode->eType != CXT_Element ) continue; poSrcLayer = InstanciateLayer(psSubNode, pszVRTDirectory, bUpdate, nRecLevel + 1); if( poSrcLayer != NULL ) break; } if( poSrcLayer == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Cannot instanciate source layer" ); return NULL; } const char* pszTargetSRS = CPLGetXMLValue(psLTree, "TargetSRS", NULL); if( pszTargetSRS == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Missing TargetSRS element within OGRVRTWarpedLayer" ); delete poSrcLayer; return NULL; } const char* pszGeomFieldName = CPLGetXMLValue(psLTree, "WarpedGeomFieldName", NULL); int iGeomField = 0; if( pszGeomFieldName != NULL ) { iGeomField = poSrcLayer->GetLayerDefn()->GetGeomFieldIndex(pszGeomFieldName); if( iGeomField < 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Cannot find source geometry field '%s'", pszGeomFieldName ); delete poSrcLayer; return NULL; } } OGRSpatialReference* poSrcSRS; OGRSpatialReference* poTargetSRS; const char* pszSourceSRS = CPLGetXMLValue(psLTree, "SrcSRS", NULL); if( pszSourceSRS == NULL ) { poSrcSRS = poSrcLayer->GetLayerDefn()->GetGeomFieldDefn(iGeomField)->GetSpatialRef(); if( poSrcSRS != NULL) poSrcSRS = poSrcSRS->Clone(); } else { poSrcSRS = new OGRSpatialReference(); if( poSrcSRS->SetFromUserInput(pszSourceSRS) != OGRERR_NONE ) { delete poSrcSRS; poSrcSRS = NULL; } } if( poSrcSRS == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to import source SRS" ); delete poSrcLayer; return NULL; } poTargetSRS = new OGRSpatialReference(); if( poTargetSRS->SetFromUserInput(pszTargetSRS) != OGRERR_NONE ) { delete poTargetSRS; poTargetSRS = NULL; } if( poTargetSRS == NULL ) { CPLError( CE_Failure, CPLE_AppDefined, "Failed to import target SRS" ); delete poSrcSRS; delete poSrcLayer; return NULL; } if( pszSourceSRS == NULL && poSrcSRS->IsSame(poTargetSRS) ) { delete poSrcSRS; delete poTargetSRS; return poSrcLayer; } OGRCoordinateTransformation* poCT = OGRCreateCoordinateTransformation( poSrcSRS, poTargetSRS ); OGRCoordinateTransformation* poReversedCT = (poCT != NULL) ? OGRCreateCoordinateTransformation( poTargetSRS, poSrcSRS ) : NULL; delete poSrcSRS; delete poTargetSRS; if( poCT == NULL ) { delete poSrcLayer; return NULL; } /* -------------------------------------------------------------------- */ /* Build the OGRWarpedLayer. */ /* -------------------------------------------------------------------- */ OGRWarpedLayer* poLayer = new OGRWarpedLayer(poSrcLayer, iGeomField, TRUE, poCT, poReversedCT); /* -------------------------------------------------------------------- */ /* Set Extent if provided */ /* -------------------------------------------------------------------- */ const char* pszExtentXMin = CPLGetXMLValue( psLTree, "ExtentXMin", NULL ); const char* pszExtentYMin = CPLGetXMLValue( psLTree, "ExtentYMin", NULL ); const char* pszExtentXMax = CPLGetXMLValue( psLTree, "ExtentXMax", NULL ); const char* pszExtentYMax = CPLGetXMLValue( psLTree, "ExtentYMax", NULL ); if( pszExtentXMin != NULL && pszExtentYMin != NULL && pszExtentXMax != NULL && pszExtentYMax != NULL ) { poLayer->SetExtent( CPLAtof(pszExtentXMin), CPLAtof(pszExtentYMin), CPLAtof(pszExtentXMax), CPLAtof(pszExtentYMax) ); } return poLayer; }
CPLErr PrintSRS( const OGRSpatialReference &oSRS, const char * pszOutputType, int bPretty, int bPrintSep ) { if ( ! pszOutputType || EQUAL(pszOutputType,"")) return CE_None; CPLDebug( "gdalsrsinfo", "PrintSRS( oSRS, %s, %d, %d )\n", pszOutputType, bPretty, bPrintSep ); char *pszOutput = NULL; if ( EQUAL("proj4", pszOutputType ) ) { if ( bPrintSep ) printf( "PROJ.4 : "); oSRS.exportToProj4( &pszOutput ); printf( "\'%s\'\n", pszOutput ); } else if ( EQUAL("wkt", pszOutputType ) ) { if ( bPrintSep ) printf("OGC WKT :\n"); if ( bPretty ) oSRS.exportToPrettyWkt( &pszOutput, FALSE ); else oSRS.exportToWkt( &pszOutput ); printf("%s\n",pszOutput); } else if ( EQUAL("wkt_simple", pszOutputType ) ) { if ( bPrintSep ) printf("OGC WKT (simple) :\n"); oSRS.exportToPrettyWkt( &pszOutput, TRUE ); printf("%s\n",pszOutput); } else if ( EQUAL("wkt_noct", pszOutputType ) ) { if ( bPrintSep ) printf("OGC WKT (no CT) :\n"); OGRSpatialReference *poSRS = oSRS.Clone(); poSRS->StripCTParms( ); if ( bPretty ) poSRS->exportToPrettyWkt( &pszOutput, FALSE ); else poSRS->exportToWkt( &pszOutput ); OGRSpatialReference::DestroySpatialReference( poSRS ); printf("%s\n",pszOutput); } else if ( EQUAL("wkt_esri", pszOutputType ) ) { if ( bPrintSep ) printf("ESRI WKT :\n"); OGRSpatialReference *poSRS = oSRS.Clone(); poSRS->morphToESRI( ); if ( bPretty ) poSRS->exportToPrettyWkt( &pszOutput, FALSE ); else poSRS->exportToWkt( &pszOutput ); OGRSpatialReference::DestroySpatialReference( poSRS ); printf("%s\n",pszOutput); } else if ( EQUAL("mapinfo", pszOutputType ) ) { if ( bPrintSep ) printf("MAPINFO : "); oSRS.exportToMICoordSys( &pszOutput ); printf("\'%s\'\n",pszOutput); } else if ( EQUAL("xml", pszOutputType ) ) { if ( bPrintSep ) printf("XML :\n"); oSRS.exportToXML( &pszOutput, NULL ); printf("%s\n",pszOutput); } else { CPLError( CE_Failure, CPLE_AppDefined, "ERROR - %s output not supported", pszOutputType ); return CE_Failure; } CPLFree( pszOutput ); return CE_None; }
int FindSRS( const char *pszInput, OGRSpatialReference &oSRS, int bDebug ) { int bGotSRS = FALSE; VSILFILE *fp = NULL; GDALDataset *poGDALDS = NULL; OGRDataSource *poOGRDS = NULL; OGRLayer *poLayer = NULL; char *pszProjection = NULL; CPLErrorHandler oErrorHandler = NULL; int bIsFile = FALSE; OGRErr eErr = CE_None; /* temporarily supress error messages we may get from xOpen() */ if ( ! bDebug ) oErrorHandler = CPLSetErrorHandler ( CPLQuietErrorHandler ); /* Test if argument is a file */ fp = VSIFOpenL( pszInput, "r" ); if ( fp ) { bIsFile = TRUE; VSIFCloseL( fp ); CPLDebug( "gdalsrsinfo", "argument is a file" ); } /* try to open with GDAL */ CPLDebug( "gdalsrsinfo", "trying to open with GDAL" ); poGDALDS = (GDALDataset *) GDALOpen( pszInput, GA_ReadOnly ); if ( poGDALDS != NULL && poGDALDS->GetProjectionRef( ) != NULL ) { pszProjection = (char *) poGDALDS->GetProjectionRef( ); if( oSRS.importFromWkt( &pszProjection ) == CE_None ) { CPLDebug( "gdalsrsinfo", "got SRS from GDAL" ); bGotSRS = TRUE; } GDALClose( (GDALDatasetH) poGDALDS ); if ( ! bGotSRS ) CPLDebug( "gdalsrsinfo", "did not open with GDAL" ); } #ifdef OGR_ENABLED /* if unsuccessful, try to open with OGR */ if ( ! bGotSRS ) { CPLDebug( "gdalsrsinfo", "trying to open with OGR" ); poOGRDS = OGRSFDriverRegistrar::Open( pszInput, FALSE, NULL ); if( poOGRDS != NULL ) { poLayer = poOGRDS->GetLayer( 0 ); if ( poLayer != NULL ) { OGRSpatialReference *poSRS = poLayer->GetSpatialRef( ); if ( poSRS != NULL ) { CPLDebug( "gdalsrsinfo", "got SRS from OGR" ); bGotSRS = TRUE; OGRSpatialReference* poSRSClone = poSRS->Clone(); oSRS = *poSRSClone; OGRSpatialReference::DestroySpatialReference( poSRSClone ); } } OGRDataSource::DestroyDataSource( poOGRDS ); poOGRDS = NULL; } if ( ! bGotSRS ) CPLDebug( "gdalsrsinfo", "did not open with OGR" ); } #endif // OGR_ENABLED /* Try ESRI file */ if ( ! bGotSRS && bIsFile && (strstr(pszInput,".prj") != NULL) ) { CPLDebug( "gdalsrsinfo", "trying to get SRS from ESRI .prj file [%s]", pszInput ); char **pszTemp; if ( strstr(pszInput,"ESRI::") != NULL ) pszTemp = CSLLoad( pszInput+6 ); else pszTemp = CSLLoad( pszInput ); if( pszTemp ) { eErr = oSRS.importFromESRI( pszTemp ); CSLDestroy( pszTemp ); } else eErr = OGRERR_UNSUPPORTED_SRS; if( eErr != OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "did not get SRS from ESRI .prj file" ); } else { CPLDebug( "gdalsrsinfo", "got SRS from ESRI .prj file" ); bGotSRS = TRUE; } } /* Last resort, try OSRSetFromUserInput() */ if ( ! bGotSRS ) { CPLDebug( "gdalsrsinfo", "trying to get SRS from user input [%s]", pszInput ); eErr = oSRS.SetFromUserInput( pszInput ); if( eErr != OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "did not get SRS from user input" ); } else { CPLDebug( "gdalsrsinfo", "got SRS from user input" ); bGotSRS = TRUE; } } /* restore error messages */ if ( ! bDebug ) CPLSetErrorHandler ( oErrorHandler ); return bGotSRS; }
int FindSRS( const char *pszInput, OGRSpatialReference &oSRS ) { int bGotSRS = FALSE; VSILFILE *fp = NULL; GDALDataset *poGDALDS = NULL; OGRLayer *poLayer = NULL; const char *pszProjection = NULL; CPLErrorHandler oErrorHandler = NULL; int bIsFile = FALSE; OGRErr eErr = OGRERR_NONE; int bDebug = FALSE; /* temporarily suppress error messages we may get from xOpen() */ bDebug = CSLTestBoolean(CPLGetConfigOption("CPL_DEBUG", "OFF")); if ( ! bDebug ) oErrorHandler = CPLSetErrorHandler ( CPLQuietErrorHandler ); /* Test if argument is a file */ fp = VSIFOpenL( pszInput, "r" ); if ( fp ) { bIsFile = TRUE; VSIFCloseL( fp ); CPLDebug( "gdalsrsinfo", "argument is a file" ); } /* try to open with GDAL */ if( strncmp(pszInput, "http://spatialreference.org/", strlen("http://spatialreference.org/")) != 0 ) { CPLDebug( "gdalsrsinfo", "trying to open with GDAL" ); poGDALDS = (GDALDataset *) GDALOpenEx( pszInput, 0, NULL, NULL, NULL ); } if ( poGDALDS != NULL ) { pszProjection = poGDALDS->GetProjectionRef( ); if( pszProjection != NULL && pszProjection[0] != '\0' ) { char* pszProjectionTmp = (char*) pszProjection; if( oSRS.importFromWkt( &pszProjectionTmp ) == OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "got SRS from GDAL" ); bGotSRS = TRUE; } } else if( poGDALDS->GetLayerCount() > 0 ) { poLayer = poGDALDS->GetLayer( 0 ); if ( poLayer != NULL ) { OGRSpatialReference *poSRS = poLayer->GetSpatialRef( ); if ( poSRS != NULL ) { CPLDebug( "gdalsrsinfo", "got SRS from OGR" ); bGotSRS = TRUE; OGRSpatialReference* poSRSClone = poSRS->Clone(); oSRS = *poSRSClone; OGRSpatialReference::DestroySpatialReference( poSRSClone ); } } } GDALClose( (GDALDatasetH) poGDALDS ); if ( ! bGotSRS ) CPLDebug( "gdalsrsinfo", "did not open with GDAL" ); } /* Try ESRI file */ if ( ! bGotSRS && bIsFile && (strstr(pszInput,".prj") != NULL) ) { CPLDebug( "gdalsrsinfo", "trying to get SRS from ESRI .prj file [%s]", pszInput ); char **pszTemp; if ( strstr(pszInput,"ESRI::") != NULL ) pszTemp = CSLLoad( pszInput+6 ); else pszTemp = CSLLoad( pszInput ); if( pszTemp ) { eErr = oSRS.importFromESRI( pszTemp ); CSLDestroy( pszTemp ); } else eErr = OGRERR_UNSUPPORTED_SRS; if( eErr != OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "did not get SRS from ESRI .prj file" ); } else { CPLDebug( "gdalsrsinfo", "got SRS from ESRI .prj file" ); bGotSRS = TRUE; } } /* Last resort, try OSRSetFromUserInput() */ if ( ! bGotSRS ) { CPLDebug( "gdalsrsinfo", "trying to get SRS from user input [%s]", pszInput ); eErr = oSRS.SetFromUserInput( pszInput ); if( eErr != OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "did not get SRS from user input" ); } else { CPLDebug( "gdalsrsinfo", "got SRS from user input" ); bGotSRS = TRUE; } } /* restore error messages */ if ( ! bDebug ) CPLSetErrorHandler ( oErrorHandler ); return bGotSRS; }
int main( int argc, char ** argv ) { int i; int bGotSRS = FALSE; int bPretty = FALSE; int bOutputAll = FALSE; int bValidate = FALSE; const char *pszInput = NULL; const char *pszOutputType = "all"; char *pszOutput = NULL; OGRSpatialReference oSRS; VSILFILE *fp = NULL; GDALDataset *poGDALDS = NULL; OGRDataSource *poOGRDS = NULL; OGRLayer *poLayer = NULL; char *pszProjection = NULL; int bDebug = FALSE; CPLErrorHandler oErrorHandler = NULL; int bIsFile = FALSE; /* Check strict compilation and runtime library version as we use C++ API */ if (! GDAL_CHECK_VERSION(argv[0])) 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; } } argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 ); if( argc < 1 ) exit( -argc ); /* -------------------------------------------------------------------- */ /* Parse arguments. */ /* -------------------------------------------------------------------- */ for( i = 1; i < argc; i++ ) { CPLDebug( "gdalsrsinfo", "got arg #%d : [%s]", i, argv[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], "-h") ) Usage(); else if( EQUAL(argv[i], "-o") && i < argc - 1) pszOutputType = argv[++i]; else if( EQUAL(argv[i], "-p") ) bPretty = TRUE; else if( EQUAL(argv[i], "-V") ) bValidate = TRUE; else if( argv[i][0] == '-' ) { CSLDestroy( argv ); Usage(); } else pszInput = argv[i]; } if ( pszInput == NULL ) { CSLDestroy( argv ); Usage(); } /* Register drivers */ GDALAllRegister(); OGRRegisterAll(); /* Search for SRS */ /* temporarily supress error messages we may get from xOpen() */ bDebug = CSLTestBoolean(CPLGetConfigOption("CPL_DEBUG", "OFF")); if ( ! bDebug ) oErrorHandler = CPLSetErrorHandler ( CPLQuietErrorHandler ); /* If argument is a file, try to open it with GDALOpen() and get the projection */ fp = VSIFOpenL( pszInput, "r" ); if ( fp ) { bIsFile = TRUE; VSIFCloseL( fp ); /* try to open with GDAL */ CPLDebug( "gdalsrsinfo", "trying to open with GDAL" ); poGDALDS = (GDALDataset *) GDALOpen( pszInput, GA_ReadOnly ); if ( poGDALDS != NULL && poGDALDS->GetProjectionRef( ) != NULL ) { pszProjection = (char *) poGDALDS->GetProjectionRef( ); if( oSRS.importFromWkt( &pszProjection ) == CE_None ) { CPLDebug( "gdalsrsinfo", "got SRS from GDAL" ); bGotSRS = TRUE; } GDALClose( (GDALDatasetH) poGDALDS ); } if ( ! bGotSRS ) CPLDebug( "gdalsrsinfo", "did not open with GDAL" ); /* if unsuccessful, try to open with OGR */ if ( ! bGotSRS ) { CPLDebug( "gdalsrsinfo", "trying to open with OGR" ); poOGRDS = OGRSFDriverRegistrar::Open( pszInput, FALSE, NULL ); if( poOGRDS != NULL ) { poLayer = poOGRDS->GetLayer( 0 ); if ( poLayer != NULL ) { OGRSpatialReference *poSRS = poLayer->GetSpatialRef( ); if ( poSRS != NULL ) { CPLDebug( "gdalsrsinfo", "got SRS from OGR" ); bGotSRS = TRUE; OGRSpatialReference* poSRSClone = poSRS->Clone(); oSRS = *poSRSClone; OGRSpatialReference::DestroySpatialReference( poSRSClone ); } } OGRDataSource::DestroyDataSource( poOGRDS ); poOGRDS = NULL; } if ( ! bGotSRS ) CPLDebug( "gdalsrsinfo", "did not open with OGR" ); /* OGR_DS_Destroy( hOGRDS ); */ } } /* If didn't get the projection from the file, try OSRSetFromUserInput() */ /* File might not be a dataset, but contain projection info (e.g. .prf files) */ if ( ! bGotSRS ) { CPLDebug( "gdalsrsinfo", "trying to get SRS from user input [%s]", pszInput ); if( oSRS.SetFromUserInput( pszInput ) != OGRERR_NONE ) { CPLDebug( "gdalsrsinfo", "did not get SRS from user input" ); } else { CPLDebug( "gdalsrsinfo", "got SRS from user input" ); bGotSRS = TRUE; } } /* restore error messages */ if ( ! bDebug ) CPLSetErrorHandler ( oErrorHandler ); CPLDebug( "gdalsrsinfo", "bGotSRS: %d bValidate: %d pszOutputType: %s bPretty: %d", bGotSRS, bValidate, pszOutputType, bPretty ); /* Make sure we got a SRS */ if ( ! bGotSRS ) { CPLError( CE_Failure, CPLE_AppDefined, "ERROR - failed to load SRS definition from %s", pszInput ); } else { /* Validate - not well tested!*/ if ( bValidate ) { OGRErr eErr = oSRS.Validate( ); if ( eErr != OGRERR_NONE ) { printf( "\nValidate Fails" ); if ( eErr == OGRERR_CORRUPT_DATA ) printf( " - SRS is not well formed"); else if ( eErr == OGRERR_UNSUPPORTED_SRS ) printf(" - contains non-standard PROJECTION[] values"); printf("\n"); } else printf( "\nValidate Succeeds\n" ); } /* Output */ if ( EQUAL("all", pszOutputType ) ) { bOutputAll = TRUE; bPretty = TRUE; } printf("\n"); if ( bOutputAll || EQUAL("proj4", pszOutputType ) ) { if ( bOutputAll ) printf("PROJ.4 : "); oSRS.exportToProj4( &pszOutput ); printf("\'%s\'\n\n",pszOutput); CPLFree( pszOutput ); } if ( bOutputAll || EQUAL("wkt", pszOutputType ) ) { if ( bOutputAll ) printf("OGC WKT :\n"); if ( bPretty ) oSRS.exportToPrettyWkt( &pszOutput, FALSE ); else oSRS.exportToWkt( &pszOutput ); printf("%s\n\n",pszOutput); CPLFree( pszOutput ); } if ( bOutputAll || EQUAL("wkt_simple", pszOutputType ) ) { if ( bOutputAll ) printf("OGC WKT (simple) :\n"); oSRS.exportToPrettyWkt( &pszOutput, TRUE ); printf("%s\n\n",pszOutput); CPLFree( pszOutput ); } if ( EQUAL("wkt_old", pszOutputType ) ) { if ( bOutputAll ) printf("OGC WKT (old) :\n"); oSRS.StripCTParms( ); if ( bPretty ) oSRS.exportToPrettyWkt( &pszOutput, FALSE ); else oSRS.exportToWkt( &pszOutput ); printf("%s\n\n",pszOutput); CPLFree( pszOutput ); } if ( bOutputAll || EQUAL("wkt_esri", pszOutputType ) ) { if ( bOutputAll ) printf("ESRI WKT :\n"); OGRSpatialReference *poSRS = oSRS.Clone(); poSRS->morphToESRI( ); if ( bPretty ) poSRS->exportToPrettyWkt( &pszOutput, FALSE ); else poSRS->exportToWkt( &pszOutput ); printf("%s\n\n",pszOutput); CPLFree( pszOutput ); OGRSpatialReference::DestroySpatialReference( poSRS ); } /* mapinfo and xml are not output with "all" */ if ( EQUAL("mapinfo", pszOutputType ) ) { if ( bOutputAll ) printf("MAPINFO : "); oSRS.exportToMICoordSys( &pszOutput ); printf("\'%s\'\n\n",pszOutput); CPLFree( pszOutput ); } if ( EQUAL("xml", pszOutputType ) ) { if ( bOutputAll ) printf("XML :\n"); oSRS.exportToXML( &pszOutput, NULL ); printf("%s\n\n",pszOutput); CPLFree( pszOutput ); } } /* cleanup anything left */ GDALDestroyDriverManager(); OGRCleanupAll(); CSLDestroy( argv ); return 0; }
OGRSpatialReference * WCTSImportCoordinateReferenceSystem( CPLXMLNode *psXMLCRS ) { CPLStripXMLNamespace( psXMLCRS->psChild, NULL, TRUE ); /* ==================================================================== */ /* Try to find a direct crsID as per old specification. */ /* ==================================================================== */ const char *pszCode = CPLGetXMLValue( psXMLCRS, "crsID.code", NULL ); const char *pszCodeSpace = CPLGetXMLValue( psXMLCRS, "crsID.codeSpace", NULL ); if( pszCode != NULL && pszCodeSpace != NULL ) { /* -------------------------------------------------------------------- */ /* Get the EPSG code, and verify that it is in the EPSG */ /* codeSpace. */ /* -------------------------------------------------------------------- */ OGRSpatialReference oSRS; if( EQUAL(pszCodeSpace,"EPSG") ) { int nEPSGCode = atoi(pszCode); if( nEPSGCode == 0 ) { WCTSEmitServiceException( "Failed to decode CoordinateReferenceSystem with missing,\n" "or zero crsID.code" ); } CPLErrorReset(); if( oSRS.importFromEPSG( nEPSGCode ) != OGRERR_NONE ) { if( strlen(CPLGetLastErrorMsg()) > 0 ) WCTSEmitServiceException( CPLGetLastErrorMsg() ); else WCTSEmitServiceException( CPLSPrintf( "OGRSpatialReference::importFromEPSG(%d) " "failed. Is this a defined EPSG code?", nEPSGCode ) ); } } /* -------------------------------------------------------------------- */ /* Handle AUTO case. */ /* -------------------------------------------------------------------- */ else if( EQUAL(pszCodeSpace,"AUTO") ) { if( oSRS.importFromWMSAUTO( pszCode ) != OGRERR_NONE ) { if( strlen(CPLGetLastErrorMsg()) > 0 ) WCTSEmitServiceException( CPLGetLastErrorMsg() ); else WCTSEmitServiceException( CPLSPrintf( "OGRSpatialReference::importFromWMSAUTO(%s) " "failed. Is this a defined EPSG code?", pszCode ) ); } } /* -------------------------------------------------------------------- */ /* Otherwise blow a gasket. */ /* -------------------------------------------------------------------- */ else { WCTSEmitServiceException( "Failed to decode CoordinateReferenceSystem with missing,\n" "or non-EPSG crsID.codeSpace" ); } /* -------------------------------------------------------------------- */ /* Translate into an OGRSpatialReference from EPSG code. */ /* -------------------------------------------------------------------- */ return oSRS.Clone(); } /* ==================================================================== */ /* Try to import a projectedCRS or geographicCRS. */ /* ==================================================================== */ if( CPLGetXMLNode( psXMLCRS, "ProjectedCRS" ) != NULL || CPLGetXMLNode( psXMLCRS, "GeographicCRS" ) != NULL ) { #ifdef DISABLE_USER_DEFINED_CRS WCTSEmitServiceException( "User defined ProjectedCRS and GeographicCRS support\n" "disabled for security reasons." ); #else char *pszSerializedForm; OGRSpatialReference oSRS; pszSerializedForm = CPLSerializeXMLTree( psXMLCRS->psChild ); if( oSRS.importFromXML( pszSerializedForm ) != OGRERR_NONE ) { CPLFree( pszSerializedForm ); if( strlen(CPLGetLastErrorMsg()) > 0 ) WCTSEmitServiceException( CPLGetLastErrorMsg() ); else WCTSEmitServiceException( "Failed to import CRS" ); } CPLFree( pszSerializedForm ); return oSRS.Clone(); #endif } /* -------------------------------------------------------------------- */ /* We don't seem to recognise a CRS here. */ /* -------------------------------------------------------------------- */ WCTSEmitServiceException( "Unable to identify CRS in one of SourceCRS or TargetCRS elements" ); return NULL; }
int OGRFMELayerCached::InitializeFromXML( CPLXMLNode *psLayer ) { /* -------------------------------------------------------------------- */ /* Create the feature definition. */ /* -------------------------------------------------------------------- */ poFeatureDefn = new OGRFeatureDefn( CPLGetXMLValue(psLayer,"Name","X") ); poFeatureDefn->Reference(); /* -------------------------------------------------------------------- */ /* Set the geometry type, if available. */ /* -------------------------------------------------------------------- */ if( CPLGetXMLNode( psLayer, "GeomType" ) != NULL ) poFeatureDefn->SetGeomType( (OGRwkbGeometryType) atoi(CPLGetXMLValue( psLayer, "GeomType", "0" )) ); /* -------------------------------------------------------------------- */ /* If we can extract extents, apply them to the layer. */ /* -------------------------------------------------------------------- */ if( CPLGetXMLNode( psLayer, "Extent" ) != NULL ) { if( sscanf( CPLGetXMLValue( psLayer, "Extent", "" ), "%lf,%lf,%lf,%lf", &sExtents.MinX, &sExtents.MaxX, &sExtents.MinY, &sExtents.MaxY ) != 4 ) { memset( &sExtents, 0, sizeof(sExtents) ); } } /* -------------------------------------------------------------------- */ /* Apply a SRS if found in the XML. */ /* -------------------------------------------------------------------- */ if( CPLGetXMLNode( psLayer, "SRS" ) != NULL ) { char *pszSRS = (char *) CPLGetXMLValue( psLayer, "SRS", "" ); OGRSpatialReference oSRS; if( oSRS.importFromWkt( &pszSRS ) == OGRERR_NONE ) { if( poSpatialRef != NULL ) delete poSpatialRef; poSpatialRef = oSRS.Clone(); } } /* -------------------------------------------------------------------- */ /* Apply the Schema. */ /* -------------------------------------------------------------------- */ CPLXMLNode *psFieldDef; for( psFieldDef = CPLGetXMLNode( psLayer, "Schema.OGRFieldDefn" ); psFieldDef != NULL; psFieldDef = psFieldDef->psNext ) { const char *pszType; OGRFieldType eType; if( !EQUAL(psFieldDef->pszValue,"OGRFieldDefn") ) continue; pszType = CPLGetXMLValue( psFieldDef, "type", "String" ); if( EQUAL(pszType,"String") ) eType = OFTString; else if( EQUAL(pszType,"StringList") ) eType = OFTStringList; else if( EQUAL(pszType,"Integer") ) eType = OFTInteger; else if( EQUAL(pszType,"IntegerList") ) eType = OFTIntegerList; else if( EQUAL(pszType,"Real") ) eType = OFTReal; else if( EQUAL(pszType,"RealList") ) eType = OFTRealList; else if( EQUAL(pszType,"Binary") ) eType = OFTBinary; else eType = OFTString; OGRFieldDefn oField( CPLGetXMLValue( psFieldDef, "name", "default" ), eType ); oField.SetWidth( atoi(CPLGetXMLValue(psFieldDef,"width","0")) ); oField.SetPrecision( atoi(CPLGetXMLValue(psFieldDef,"precision","0"))); poFeatureDefn->AddFieldDefn( &oField ); } /* -------------------------------------------------------------------- */ /* Ensure we have a working string and feature object */ /* -------------------------------------------------------------------- */ poFMEFeature = poDS->GetFMESession()->createFeature(); return TRUE; }