OGRDataSourceH OGR_Dr_CopyDataSource( OGRSFDriverH hDriver, OGRDataSourceH hSrcDS, const char *pszNewName, char **papszOptions ) { VALIDATE_POINTER1( hDriver, "OGR_Dr_CopyDataSource", NULL ); VALIDATE_POINTER1( hSrcDS, "OGR_Dr_CopyDataSource", NULL ); VALIDATE_POINTER1( pszNewName, "OGR_Dr_CopyDataSource", NULL ); GDALDriver* poDriver = (GDALDriver*)hDriver; if( !poDriver->GetMetadataItem( GDAL_DCAP_CREATE ) ) { CPLError( CE_Failure, CPLE_NotSupported, "%s driver does not support data source creation.", poDriver->GetDescription() ); return NULL; } GDALDataset *poSrcDS = (GDALDataset*) hSrcDS; GDALDataset *poODS; poODS = poDriver->Create( pszNewName, 0, 0, 0, GDT_Unknown, papszOptions ); if( poODS == NULL ) return NULL; /* -------------------------------------------------------------------- */ /* Process each data source layer. */ /* -------------------------------------------------------------------- */ for( int iLayer = 0; iLayer < poSrcDS->GetLayerCount(); iLayer++ ) { OGRLayer *poLayer = poSrcDS->GetLayer(iLayer); if( poLayer == NULL ) continue; poODS->CopyLayer( poLayer, poLayer->GetLayerDefn()->GetName(), papszOptions ); } return (OGRDataSourceH)poODS; }
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. */ /* -------------------------------------------------------------------- */ GDALDataset *poDstDS; OGRLayer *poDstLayer = NULL; poDstDS = (GDALDataset*) OGROpen( pszOutputName, TRUE, NULL ); /* -------------------------------------------------------------------- */ /* If that failed, find the driver so we can create the tile index.*/ /* -------------------------------------------------------------------- */ if( poDstDS == NULL ) { OGRSFDriverRegistrar *poR = OGRSFDriverRegistrar::GetRegistrar(); GDALDriver *poDriver = NULL; int iDriver; for( iDriver = 0; iDriver < poR->GetDriverCount() && poDriver == NULL; iDriver++ ) { if( EQUAL(poR->GetDriver(iDriver)->GetDescription(),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)->GetDescription() ); } exit( 1 ); } if( !CSLTestBoolean( CSLFetchNameValueDef(poDriver->GetMetadata(), GDAL_DCAP_CREATE, "FALSE") ) ) { fprintf( stderr, "%s driver does not support data source creation.\n", pszFormat ); exit( 1 ); } /* -------------------------------------------------------------------- */ /* Now create it. */ /* -------------------------------------------------------------------- */ poDstDS = poDriver->Create( pszOutputName, 0, 0, 0, GDT_Unknown, 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) { GDALDataset* poDS = (GDALDataset*) OGROpen(papszArgv[nFirstSourceDataset], FALSE, NULL); 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; } } GDALClose( (GDALDatasetH)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 = (int)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) { GDALDataset *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 = (GDALDataset*) OGROpen(filename, FALSE, NULL); 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(); } GDALClose( (GDALDatasetH)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; GDALDataset *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 = (GDALDataset*) OGROpen( papszArgv[nFirstSourceDataset], FALSE, NULL ); 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." ); GDALClose( (GDALDatasetH) poDstDS ); exit( 1 ); } } /* -------------------------------------------------------------------- */ /* Cleanup this data source. */ /* -------------------------------------------------------------------- */ CPLFree(fileNameToWrite); GDALClose( (GDALDatasetH)poDS ); } /* -------------------------------------------------------------------- */ /* Close tile index and clear buffers. */ /* -------------------------------------------------------------------- */ GDALClose( (GDALDatasetH) 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); } OGRCleanupAll(); return 0; }
void GDALJP2AbstractDataset::LoadVectorLayers(int bOpenRemoteResources) { char** papszGMLJP2 = GetMetadata("xml:gml.root-instance"); if( papszGMLJP2 == NULL ) return; GDALDriver* poMemDriver = (GDALDriver*)GDALGetDriverByName("Memory"); if( poMemDriver == NULL ) return; CPLXMLNode* psRoot = CPLParseXMLString(papszGMLJP2[0]); if( psRoot == NULL ) return; CPLXMLNode* psCC = CPLGetXMLNode(psRoot, "=gmljp2:GMLJP2CoverageCollection"); if( psCC == NULL ) { CPLDestroyXMLNode(psRoot); return; } // Find feature collections CPLXMLNode* psCCChildIter = psCC->psChild; int nLayersAtCC = 0; int nLayersAtGC = 0; for( ; psCCChildIter != NULL; psCCChildIter = psCCChildIter->psNext ) { if( psCCChildIter->eType != CXT_Element || strcmp(psCCChildIter->pszValue, "gmljp2:featureMember") != 0 || psCCChildIter->psChild == NULL || psCCChildIter->psChild->eType != CXT_Element ) continue; CPLXMLNode* psGCorGMLJP2Features = psCCChildIter->psChild; int bIsGC = ( strstr(psGCorGMLJP2Features->pszValue, "GridCoverage") != NULL ); CPLXMLNode* psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2Features->psChild; for( ; psGCorGMLJP2FeaturesChildIter != NULL; psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2FeaturesChildIter->psNext ) { if( psGCorGMLJP2FeaturesChildIter->eType != CXT_Element || strcmp(psGCorGMLJP2FeaturesChildIter->pszValue, "gmljp2:feature") != 0 || psGCorGMLJP2FeaturesChildIter->psChild == NULL ) continue; CPLXMLNode* psFC = NULL; int bFreeFC = FALSE; CPLString osGMLTmpFile; CPLXMLNode* psChild = psGCorGMLJP2FeaturesChildIter->psChild; if( psChild->eType == CXT_Attribute && strcmp(psChild->pszValue, "xlink:href") == 0 && strncmp(psChild->psChild->pszValue, "gmljp2://xml/", strlen("gmljp2://xml/")) == 0 ) { const char* pszBoxName = psChild->psChild->pszValue + strlen("gmljp2://xml/"); char** papszBoxData = GetMetadata(CPLSPrintf("xml:%s", pszBoxName)); if( papszBoxData != NULL ) { psFC = CPLParseXMLString(papszBoxData[0]); bFreeFC = TRUE; } else { CPLDebug("GMLJP2", "gmljp2:feature references %s, but no corresponding box found", psChild->psChild->pszValue); } } if( psChild->eType == CXT_Attribute && strcmp(psChild->pszValue, "xlink:href") == 0 && (strncmp(psChild->psChild->pszValue, "http://", strlen("http://")) == 0 || strncmp(psChild->psChild->pszValue, "https://", strlen("https://")) == 0) ) { if( !bOpenRemoteResources ) CPLDebug("GMLJP2", "Remote feature collection %s mentionned in GMLJP2 box", psChild->psChild->pszValue); else osGMLTmpFile = "/vsicurl/" + CPLString(psChild->psChild->pszValue); } else if( psChild->eType == CXT_Element && strstr(psChild->pszValue, "FeatureCollection") != NULL ) { psFC = psChild; } if( psFC == NULL && osGMLTmpFile.size() == 0 ) continue; if( psFC != NULL ) { osGMLTmpFile = CPLSPrintf("/vsimem/gmljp2/%p/my.gml", this); // Create temporary .gml file CPLSerializeXMLTreeToFile(psFC, osGMLTmpFile); } CPLDebug("GMLJP2", "Found a FeatureCollection at %s level", (bIsGC) ? "GridCoverage" : "CoverageCollection"); CPLString osXSDTmpFile; if( psFC ) { // Try to localize its .xsd schema in a GMLJP2 auxiliary box const char* pszSchemaLocation = CPLGetXMLValue(psFC, "xsi:schemaLocation", NULL); if( pszSchemaLocation ) { char **papszTokens = CSLTokenizeString2( pszSchemaLocation, " \t\n", CSLT_HONOURSTRINGS | CSLT_STRIPLEADSPACES | CSLT_STRIPENDSPACES); if( (CSLCount(papszTokens) % 2) == 0 ) { for(char** papszIter = papszTokens; *papszIter; papszIter += 2 ) { if( strncmp(papszIter[1], "gmljp2://xml/", strlen("gmljp2://xml/")) == 0 ) { const char* pszBoxName = papszIter[1] + strlen("gmljp2://xml/"); char** papszBoxData = GetMetadata(CPLSPrintf("xml:%s", pszBoxName)); if( papszBoxData != NULL ) { osXSDTmpFile = CPLSPrintf("/vsimem/gmljp2/%p/my.xsd", this); VSIFCloseL(VSIFileFromMemBuffer(osXSDTmpFile, (GByte*)papszBoxData[0], strlen(papszBoxData[0]), FALSE)); } else { CPLDebug("GMLJP2", "Feature collection references %s, but no corresponding box found", papszIter[1]); } break; } } } CSLDestroy(papszTokens); } if( bFreeFC ) { CPLDestroyXMLNode(psFC); psFC = NULL; } } GDALDriverH hDrv = GDALIdentifyDriver(osGMLTmpFile, NULL); GDALDriverH hGMLDrv = GDALGetDriverByName("GML"); if( hDrv != NULL && hDrv == hGMLDrv ) { char* apszOpenOptions[2]; apszOpenOptions[0] = (char*) "FORCE_SRS_DETECTION=YES"; apszOpenOptions[1] = NULL; GDALDataset* poTmpDS = (GDALDataset*)GDALOpenEx( osGMLTmpFile, GDAL_OF_VECTOR, NULL, apszOpenOptions, NULL ); if( poTmpDS ) { int nLayers = poTmpDS->GetLayerCount(); for(int i=0;i<nLayers;i++) { if( poMemDS == NULL ) poMemDS = poMemDriver->Create("", 0, 0, 0, GDT_Unknown, NULL); OGRLayer* poSrcLyr = poTmpDS->GetLayer(i); const char* pszLayerName; if( bIsGC ) pszLayerName = CPLSPrintf("FC_GridCoverage_%d_%s", ++nLayersAtGC, poSrcLyr->GetName()); else pszLayerName = CPLSPrintf("FC_CoverageCollection_%d_%s", ++nLayersAtCC, poSrcLyr->GetName()); poMemDS->CopyLayer(poSrcLyr, pszLayerName, NULL); } GDALClose(poTmpDS); // In case we don't have a schema, a .gfs might have been generated VSIUnlink(CPLSPrintf("/vsimem/gmljp2/%p/my.gfs", this)); } } else { CPLDebug("GMLJP2", "No GML driver found to read feature collection"); } if( strncmp(osGMLTmpFile, "/vsicurl/", strlen("/vsicurl/")) != 0 ) VSIUnlink(osGMLTmpFile); if( osXSDTmpFile.size() ) VSIUnlink(osXSDTmpFile); } } // Find annotations psCCChildIter = psCC->psChild; int nAnnotations = 0; for( ; psCCChildIter != NULL; psCCChildIter = psCCChildIter->psNext ) { if( psCCChildIter->eType != CXT_Element || strcmp(psCCChildIter->pszValue, "gmljp2:featureMember") != 0 || psCCChildIter->psChild == NULL || psCCChildIter->psChild->eType != CXT_Element ) continue; CPLXMLNode* psGCorGMLJP2Features = psCCChildIter->psChild; int bIsGC = ( strstr(psGCorGMLJP2Features->pszValue, "GridCoverage") != NULL ); if( !bIsGC ) continue; CPLXMLNode* psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2Features->psChild; for( ; psGCorGMLJP2FeaturesChildIter != NULL; psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2FeaturesChildIter->psNext ) { if( psGCorGMLJP2FeaturesChildIter->eType != CXT_Element || strcmp(psGCorGMLJP2FeaturesChildIter->pszValue, "gmljp2:annotation") != 0 || psGCorGMLJP2FeaturesChildIter->psChild == NULL || psGCorGMLJP2FeaturesChildIter->psChild->eType != CXT_Element || strstr(psGCorGMLJP2FeaturesChildIter->psChild->pszValue, "kml") == NULL ) continue; CPLDebug("GMLJP2", "Found a KML annotation"); // Create temporary .kml file CPLXMLNode* psKML = psGCorGMLJP2FeaturesChildIter->psChild; CPLString osKMLTmpFile(CPLSPrintf("/vsimem/gmljp2/%p/my.kml", this)); CPLSerializeXMLTreeToFile(psKML, osKMLTmpFile); GDALDataset* poTmpDS = (GDALDataset*)GDALOpenEx( osKMLTmpFile, GDAL_OF_VECTOR, NULL, NULL, NULL ); if( poTmpDS ) { int nLayers = poTmpDS->GetLayerCount(); for(int i=0;i<nLayers;i++) { if( poMemDS == NULL ) poMemDS = poMemDriver->Create("", 0, 0, 0, GDT_Unknown, NULL); OGRLayer* poSrcLyr = poTmpDS->GetLayer(i); const char* pszLayerName; pszLayerName = CPLSPrintf("Annotation_%d_%s", ++nAnnotations, poSrcLyr->GetName()); poMemDS->CopyLayer(poSrcLyr, pszLayerName, NULL); } GDALClose(poTmpDS); } else { CPLDebug("GMLJP2", "No KML/LIBKML driver found to read annotation"); } VSIUnlink(osKMLTmpFile); } } CPLDestroyXMLNode(psRoot); }
MAIN_START(nArgc, papszArgv) { // Check strict compilation and runtime library version as we use C++ API. if( !GDAL_CHECK_VERSION(papszArgv[0]) ) exit(1); EarlySetConfigOptions(nArgc, papszArgv); OGRRegisterAll(); /* -------------------------------------------------------------------- */ /* Processing command line arguments. */ /* -------------------------------------------------------------------- */ nArgc = OGRGeneralCmdLineProcessor(nArgc, &papszArgv, 0); if( nArgc < 1 ) exit(-nArgc); char *pszWHERE = nullptr; const char *pszDataSource = nullptr; char **papszLayers = nullptr; OGRGeometry *poSpatialFilter = nullptr; int nRepeatCount = 1; bool bAllLayers = false; char *pszSQLStatement = nullptr; const char *pszDialect = nullptr; int nRet = 0; const char* pszGeomField = nullptr; char **papszOpenOptions = nullptr; char **papszExtraMDDomains = nullptr; bool bListMDD = false; bool bShowMetadata = true; bool bFeatureCount = true; bool bExtent = true; bool bDatasetGetNextFeature = false; bool bReadOnly = false; bool bUpdate = false; const char* pszWKTFormat = "WKT2"; for( int 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")); CSLDestroy(papszArgv); return 0; } else if( EQUAL(papszArgv[iArg], "--help") ) { Usage(); } else if( EQUAL(papszArgv[iArg], "-ro") ) { bReadOnly = true; } else if( EQUAL(papszArgv[iArg], "-update") ) { bUpdate = true; } else if( EQUAL(papszArgv[iArg], "-q") || EQUAL(papszArgv[iArg], "-quiet")) { bVerbose = false; } else if( EQUAL(papszArgv[iArg], "-qq") ) { /* Undocumented: mainly only useful for AFL testing */ bVerbose = false; bSuperQuiet = true; } else if( EQUAL(papszArgv[iArg], "-fid") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); nFetchFID = CPLAtoGIntBig(papszArgv[++iArg]); } else if( EQUAL(papszArgv[iArg], "-spat") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(4); OGRLinearRing oRing; oRing.addPoint(CPLAtof(papszArgv[iArg+1]), CPLAtof(papszArgv[iArg+2])); oRing.addPoint(CPLAtof(papszArgv[iArg+1]), CPLAtof(papszArgv[iArg+4])); oRing.addPoint(CPLAtof(papszArgv[iArg+3]), CPLAtof(papszArgv[iArg+4])); oRing.addPoint(CPLAtof(papszArgv[iArg+3]), CPLAtof(papszArgv[iArg+2])); oRing.addPoint(CPLAtof(papszArgv[iArg+1]), CPLAtof(papszArgv[iArg+2])); poSpatialFilter = new OGRPolygon(); static_cast<OGRPolygon *>(poSpatialFilter)->addRing(&oRing); iArg += 4; } else if( EQUAL(papszArgv[iArg], "-geomfield") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszGeomField = papszArgv[++iArg]; } else if( EQUAL(papszArgv[iArg], "-where") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); iArg++; CPLFree(pszWHERE); GByte* pabyRet = nullptr; if( papszArgv[iArg][0] == '@' && VSIIngestFile(nullptr, papszArgv[iArg] + 1, &pabyRet, nullptr, 1024*1024) ) { RemoveBOM(pabyRet); pszWHERE = reinterpret_cast<char *>(pabyRet); } else { pszWHERE = CPLStrdup(papszArgv[iArg]); } } else if( EQUAL(papszArgv[iArg], "-sql") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); iArg++; CPLFree(pszSQLStatement); GByte* pabyRet = nullptr; if( papszArgv[iArg][0] == '@' && VSIIngestFile(nullptr, papszArgv[iArg] + 1, &pabyRet, nullptr, 1024*1024) ) { RemoveBOM(pabyRet); pszSQLStatement = reinterpret_cast<char *>(pabyRet); RemoveSQLComments(pszSQLStatement); } else { pszSQLStatement = CPLStrdup(papszArgv[iArg]); } } else if( EQUAL(papszArgv[iArg], "-dialect") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszDialect = papszArgv[++iArg]; } else if( EQUAL(papszArgv[iArg], "-rc") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); nRepeatCount = atoi(papszArgv[++iArg]); } else if( EQUAL(papszArgv[iArg], "-al") ) { bAllLayers = true; } else if( EQUAL(papszArgv[iArg], "-so") || EQUAL(papszArgv[iArg], "-summary") ) { bSummaryOnly = true; } else if( STARTS_WITH_CI(papszArgv[iArg], "-fields=") ) { char* pszTemp = static_cast<char *>(CPLMalloc(32 + strlen(papszArgv[iArg]))); snprintf(pszTemp, 32 + strlen(papszArgv[iArg]), "DISPLAY_FIELDS=%s", papszArgv[iArg] + strlen("-fields=")); papszOptions = CSLAddString(papszOptions, pszTemp); CPLFree(pszTemp); } else if( STARTS_WITH_CI(papszArgv[iArg], "-geom=") ) { char* pszTemp = static_cast<char *>(CPLMalloc(32 + strlen(papszArgv[iArg]))); snprintf(pszTemp, 32 + strlen(papszArgv[iArg]), "DISPLAY_GEOMETRY=%s", papszArgv[iArg] + strlen("-geom=")); papszOptions = CSLAddString(papszOptions, pszTemp); CPLFree(pszTemp); } else if( EQUAL(papszArgv[iArg], "-oo") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); papszOpenOptions = CSLAddString(papszOpenOptions, papszArgv[++iArg]); } else if( EQUAL(papszArgv[iArg], "-nomd") ) { bShowMetadata = false; } else if( EQUAL(papszArgv[iArg], "-listmdd") ) { bListMDD = true; } else if( EQUAL(papszArgv[iArg], "-mdd") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); papszExtraMDDomains = CSLAddString(papszExtraMDDomains, papszArgv[++iArg]); } else if( EQUAL(papszArgv[iArg], "-nocount") ) { bFeatureCount = false; } else if( EQUAL(papszArgv[iArg], "-noextent") ) { bExtent = false; } else if( EQUAL(papszArgv[iArg], "-rl")) { bDatasetGetNextFeature = true; } else if( EQUAL(papszArgv[iArg], "-wkt_format") ) { CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1); pszWKTFormat = papszArgv[++iArg]; } else if( papszArgv[iArg][0] == '-' ) { Usage(CPLSPrintf("Unknown option name '%s'", papszArgv[iArg])); } else if( pszDataSource == nullptr ) { pszDataSource = papszArgv[iArg]; } else { papszLayers = CSLAddString(papszLayers, papszArgv[iArg]); bAllLayers = false; } } if( pszDataSource == nullptr ) Usage("No datasource specified."); if( pszDialect != nullptr && pszWHERE != nullptr && pszSQLStatement == nullptr ) printf("Warning: -dialect is ignored with -where. Use -sql instead"); if( bDatasetGetNextFeature && pszSQLStatement ) { Usage("-rl is incompatible with -sql"); } #ifdef __AFL_HAVE_MANUAL_CONTROL while (__AFL_LOOP(1000)) { #endif /* -------------------------------------------------------------------- */ /* Open data source. */ /* -------------------------------------------------------------------- */ GDALDataset *poDS = static_cast<GDALDataset *>(GDALOpenEx( pszDataSource, ((bReadOnly || pszSQLStatement == nullptr) && !bUpdate ? GDAL_OF_READONLY : GDAL_OF_UPDATE) | GDAL_OF_VECTOR, nullptr, papszOpenOptions, nullptr)); if( poDS == nullptr && !bReadOnly && !bUpdate && pszSQLStatement == nullptr ) { // In some cases (empty geopackage for example), opening in read-only // mode fails, so retry in update mode if( GDALIdentifyDriverEx(pszDataSource, GDAL_OF_VECTOR, nullptr, nullptr) ) { poDS = static_cast<GDALDataset *>(GDALOpenEx( pszDataSource, GDAL_OF_UPDATE | GDAL_OF_VECTOR, nullptr, papszOpenOptions, nullptr)); } } if( poDS == nullptr && !bReadOnly && !bUpdate && pszSQLStatement != nullptr ) { poDS = static_cast<GDALDataset *>(GDALOpenEx( pszDataSource, GDAL_OF_READONLY | GDAL_OF_VECTOR, nullptr, papszOpenOptions, nullptr)); if( poDS != nullptr && bVerbose ) { printf("Had to open data source read-only.\n"); #ifdef __AFL_HAVE_MANUAL_CONTROL bReadOnly = true; #endif } } GDALDriver *poDriver = nullptr; if( poDS != nullptr ) poDriver = poDS->GetDriver(); /* -------------------------------------------------------------------- */ /* Report failure */ /* -------------------------------------------------------------------- */ if( poDS == nullptr ) { printf("FAILURE:\n" "Unable to open datasource `%s' with the following drivers.\n", pszDataSource); #ifdef __AFL_HAVE_MANUAL_CONTROL continue; #else OGRSFDriverRegistrar *poR = OGRSFDriverRegistrar::GetRegistrar(); for( int iDriver = 0; iDriver < poR->GetDriverCount(); iDriver++ ) { printf(" -> %s\n", poR->GetDriver(iDriver)->GetDescription()); } nRet = 1; goto end; #endif } CPLAssert(poDriver != nullptr); /* -------------------------------------------------------------------- */ /* Some information messages. */ /* -------------------------------------------------------------------- */ if( bVerbose ) printf("INFO: Open of `%s'\n" " using driver `%s' successful.\n", pszDataSource, poDriver->GetDescription()); if( bVerbose && !EQUAL(pszDataSource,poDS->GetDescription()) ) { printf("INFO: Internal data source name `%s'\n" " different from user name `%s'.\n", poDS->GetDescription(), pszDataSource); } GDALInfoReportMetadata(static_cast<GDALMajorObjectH>(poDS), bListMDD, bShowMetadata, papszExtraMDDomains); if( bDatasetGetNextFeature ) { nRepeatCount = 0; // skip layer reporting. /* -------------------------------------------------------------------- */ /* Set filters if provided. */ /* -------------------------------------------------------------------- */ if( pszWHERE != nullptr || poSpatialFilter != nullptr ) { for( int iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ ) { OGRLayer *poLayer = poDS->GetLayer(iLayer); if( poLayer == nullptr ) { printf("FAILURE: Couldn't fetch advertised layer %d!\n", iLayer); exit(1); } if( pszWHERE != nullptr ) { if( poLayer->SetAttributeFilter(pszWHERE) != OGRERR_NONE ) { printf("WARNING: SetAttributeFilter(%s) " "failed on layer %s.\n", pszWHERE, poLayer->GetName()); } } if( poSpatialFilter != nullptr ) { if( pszGeomField != nullptr ) { OGRFeatureDefn *poDefn = poLayer->GetLayerDefn(); const int iGeomField = poDefn->GetGeomFieldIndex(pszGeomField); if( iGeomField >= 0 ) poLayer->SetSpatialFilter(iGeomField, poSpatialFilter); else printf("WARNING: Cannot find geometry field %s.\n", pszGeomField); } else { poLayer->SetSpatialFilter(poSpatialFilter); } } } } std::set<OGRLayer*> oSetLayers; while( true ) { OGRLayer* poLayer = nullptr; OGRFeature* poFeature = poDS->GetNextFeature(&poLayer, nullptr, nullptr, nullptr); if( poFeature == nullptr ) break; if( papszLayers == nullptr || poLayer == nullptr || CSLFindString(papszLayers, poLayer->GetName()) >= 0 ) { if( bVerbose && poLayer != nullptr && oSetLayers.find(poLayer) == oSetLayers.end() ) { oSetLayers.insert(poLayer); const bool bSummaryOnlyBackup = bSummaryOnly; bSummaryOnly = true; ReportOnLayer(poLayer, nullptr, nullptr, nullptr, bListMDD, bShowMetadata, papszExtraMDDomains, bFeatureCount, bExtent, pszWKTFormat); bSummaryOnly = bSummaryOnlyBackup; } if( !bSuperQuiet && !bSummaryOnly ) poFeature->DumpReadable(nullptr, papszOptions); } OGRFeature::DestroyFeature(poFeature); } } /* -------------------------------------------------------------------- */ /* Special case for -sql clause. No source layers required. */ /* -------------------------------------------------------------------- */ else if( pszSQLStatement != nullptr ) { nRepeatCount = 0; // skip layer reporting. if( CSLCount(papszLayers) > 0 ) printf("layer names ignored in combination with -sql.\n"); OGRLayer *poResultSet = poDS->ExecuteSQL( pszSQLStatement, pszGeomField == nullptr ? poSpatialFilter : nullptr, pszDialect); if( poResultSet != nullptr ) { if( pszWHERE != nullptr ) { if( poResultSet->SetAttributeFilter(pszWHERE) != OGRERR_NONE ) { printf("FAILURE: SetAttributeFilter(%s) failed.\n", pszWHERE); exit(1); } } if( pszGeomField != nullptr ) ReportOnLayer(poResultSet, nullptr, pszGeomField, poSpatialFilter, bListMDD, bShowMetadata, papszExtraMDDomains, bFeatureCount, bExtent, pszWKTFormat); else ReportOnLayer(poResultSet, nullptr, nullptr, nullptr, bListMDD, bShowMetadata, papszExtraMDDomains, bFeatureCount, bExtent, pszWKTFormat); poDS->ReleaseResultSet(poResultSet); } } // coverity[tainted_data] for( int iRepeat = 0; iRepeat < nRepeatCount; iRepeat++ ) { if( papszLayers == nullptr || *papszLayers == nullptr ) { if( iRepeat == 0 ) CPLDebug("OGR", "GetLayerCount() = %d\n", poDS->GetLayerCount()); /* -------------------------------------------------------------------- */ /* Process each data source layer. */ /* -------------------------------------------------------------------- */ for( int iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++ ) { OGRLayer *poLayer = poDS->GetLayer(iLayer); if( poLayer == nullptr ) { printf("FAILURE: Couldn't fetch advertised layer %d!\n", iLayer); exit(1); } if( !bAllLayers ) { printf("%d: %s", iLayer + 1, poLayer->GetName()); const int nGeomFieldCount = poLayer->GetLayerDefn()->GetGeomFieldCount(); if( nGeomFieldCount > 1 ) { printf(" ("); for( int iGeom = 0; iGeom < nGeomFieldCount; iGeom++ ) { if( iGeom > 0 ) printf(", "); OGRGeomFieldDefn* poGFldDefn = poLayer->GetLayerDefn()-> GetGeomFieldDefn(iGeom); printf( "%s", OGRGeometryTypeToName( poGFldDefn->GetType())); } printf(")"); } else if( poLayer->GetGeomType() != wkbUnknown ) printf(" (%s)", OGRGeometryTypeToName( poLayer->GetGeomType())); printf("\n"); } else { if( iRepeat != 0 ) poLayer->ResetReading(); ReportOnLayer(poLayer, pszWHERE, pszGeomField, poSpatialFilter, bListMDD, bShowMetadata, papszExtraMDDomains, bFeatureCount, bExtent, pszWKTFormat); } } } else { /* -------------------------------------------------------------------- */ /* Process specified data source layers. */ /* -------------------------------------------------------------------- */ for( char** papszIter = papszLayers; *papszIter != nullptr; ++papszIter ) { OGRLayer *poLayer = poDS->GetLayerByName(*papszIter); if( poLayer == nullptr ) { printf("FAILURE: Couldn't fetch requested layer %s!\n", *papszIter); exit(1); } if( iRepeat != 0 ) poLayer->ResetReading(); ReportOnLayer(poLayer, pszWHERE, pszGeomField, poSpatialFilter, bListMDD, bShowMetadata, papszExtraMDDomains, bFeatureCount, bExtent, pszWKTFormat); } } } /* -------------------------------------------------------------------- */ /* Close down. */ /* -------------------------------------------------------------------- */ GDALClose(poDS); #ifdef __AFL_HAVE_MANUAL_CONTROL } #else end: #endif CSLDestroy(papszArgv); CSLDestroy(papszLayers); CSLDestroy(papszOptions); CSLDestroy(papszOpenOptions); CSLDestroy(papszExtraMDDomains); if( poSpatialFilter ) OGRGeometryFactory::destroyGeometry(poSpatialFilter); CPLFree(pszSQLStatement); CPLFree(pszWHERE); OGRCleanupAll(); return nRet; }
int main() { GDALAllRegister(); //register all the format drivers cout << "GDAL All Registed!" << endl; GDALDataset *poDS; //Data source poDS = (GDALDataset*) GDALOpenEx("./beijing/road/Nbeijing_point.shp", GDAL_OF_VECTOR, NULL, NULL, NULL); if(poDS == NULL) { cout << "Open shp file failed!" << endl; exit(1); } cout << "Data source open success!" << endl; int layerNum = poDS->GetLayerCount(); //a dataset may have many layers cout << "Layer number:" << layerNum << endl; OGRLayer *poLayer; poLayer = poDS->GetLayerByName("Nbeijing_point"); //feature is a geometry and a set of attributes OGRFeature *poFeature; poLayer->ResetReading(); //Start at the beginning of the layer cout << "Feature number:" << poLayer->GetFeatureCount() << endl; stringstream ss; map<string, pair<double, double> > mip; map<string, pair<double, double> >::iterator imip; ofstream ofile("beijingNode"); string id; int crossFlag; string stmp, stmp2; vector<string> vs; vector<string>::iterator ivs; while((poFeature = poLayer->GetNextFeature()) != NULL) { //Defn contains the definition of all the fields OGRFeatureDefn *poFDefn = poLayer->GetLayerDefn(); // for(iField = 0; iField < poFDefn->GetFieldCount(); iField++) // { // OGRFieldDefn * poFieldDefn = poFDefn->GetFieldDefn(iField); id = poFeature->GetFieldAsString(1); ofile << id; crossFlag = poFeature->GetFieldAsInteger(4); if(crossFlag == 0) { ofile << "\t" << crossFlag << "\t" << 0 << "\t" << 0 << "\t" << 0; } else if(crossFlag == 1) { ofile << "\t" << crossFlag << "\t" << 0 << "\t" << poFeature->GetFieldAsInteger(7) << "\t" << 0; } else if(crossFlag == 2) { stmp = poFeature->GetFieldAsString(6); vs = split(stmp, "|"); ofile << "\t" << crossFlag << "\t" << vs.size(); for(ivs = vs.begin(); ivs != vs.end(); ivs++) ofile << "\t" << *ivs; vs.clear(); ofile << "\t" << poFeature->GetFieldAsInteger(7) << "\t" << 0; } else if(crossFlag == 3) { stmp = poFeature->GetFieldAsString(6); vs = split(stmp, "|"); ofile << "\t" << crossFlag << "\t" << vs.size(); for(ivs = vs.begin(); ivs != vs.end(); ivs++) ofile << "\t" << *ivs; vs.clear(); ofile << "\t" << poFeature->GetFieldAsInteger(7); stmp = poFeature->GetFieldAsString(8); stmp2 = poFeature->GetFieldAsString(9); if(stmp2 != "") stmp += "|" + stmp2; vs = split(stmp, "|"); ofile << "\t" << vs.size(); for(ivs = vs.begin(); ivs != vs.end(); ivs++) ofile << "\t" << *ivs; vs.clear(); } ofile << "\t" << poFeature->GetFieldAsString(11); stmp = poFeature->GetFieldAsString(12); vs = split(stmp, "|"); ofile << "\t" << vs.size(); for(ivs = vs.begin(); ivs != vs.end(); ivs++) ofile << "\t" << *ivs; vs.clear(); /* if(poFieldDefn->GetType() == OFTInteger) cout << poFeature->GetFieldAsInteger(iField) << ", "; else if(poFieldDefn->GetType() == OFTInteger64) cout << poFeature->GetFieldAsInteger64(iField) << ", "; else if(poFieldDefn->GetType() == OFTReal) cout << setprecision(15) << poFeature->GetFieldAsDouble(iField) << ", "; else if(poFieldDefn->GetType() == OFTString) cout << poFeature->GetFieldAsString(iField) << ", "; else cout << poFeature->GetFieldAsString(iField) << ", ";*/ // } OGRGeometry *poGeometry; poGeometry = poFeature->GetGeometryRef(); // cout << "Geometry Type:" << poGeometry->getGeometryType() << endl; if(poGeometry != NULL && wkbFlatten(poGeometry->getGeometryType()) == wkbMultiPoint) { OGRMultiPoint *poMultiPoint = (OGRMultiPoint*)poGeometry; // cout << "Number in the MultiPoint:" << poMultiPoint->getNumGeometries() << endl; OGRGeometry *pG; pG = poMultiPoint->getGeometryRef(0); OGRPoint *pP = (OGRPoint*)pG; ofile << "\t" << pP->getY() << "\t" << pP->getX(); // pP->flattenTo2D(); // cout << setprecision(15) << pP->getY() << ", " << pP->getX() << endl; // mip[id] = make_pair(pP->getY(), pP->getX()); } else cout << "No Point Geometry" << endl; ofile << endl; OGRFeature::DestroyFeature(poFeature); } /* cout << "Writing nodes" << endl; for(imip = mip.begin(); imip != mip.end(); imip++) ofile << setprecision(15) << (*imip).first << "\t" << (*imip).second.first << "\t" << (*imip).second.second << endl;*/ GDALClose(poFeature); ofile.close(); return 0; }
SEXP ogrDeleteLayer (SEXP ogrSource, SEXP Layer, SEXP ogrDriver) { OGRLayer *poLayer; #ifdef GDALV2 GDALDataset *poDS; GDALDriver *poDriver; #else OGRDataSource *poDS; OGRSFDriver *poDriver; #endif int iLayer = -1; int flag = 0; installErrorHandler(); #ifdef GDALV2 poDriver = GetGDALDriverManager()->GetDriverByName(CHAR(STRING_ELT(ogrDriver, 0))); #else poDriver = OGRSFDriverRegistrar::GetRegistrar()->GetDriverByName( CHAR(STRING_ELT(ogrDriver, 0)) ); #endif uninstallErrorHandlerAndTriggerError(); if (poDriver == NULL) { error("Driver not available"); } installErrorHandler(); #ifdef GDALV2 poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrSource, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL); if(poDS==NULL) { error("Cannot open data source"); } if (!EQUAL(CHAR(STRING_ELT(ogrDriver, 0)), poDS->GetDriver()->GetDescription())) { GDALClose( poDS ); poDS = NULL; } #else poDS = poDriver->Open(CHAR(STRING_ELT(ogrSource, 0)), TRUE); #endif uninstallErrorHandlerAndTriggerError(); if (poDS==NULL) error("Cannot open data source for update"); installErrorHandler(); for(iLayer = 0; iLayer < poDS->GetLayerCount(); iLayer++) { poLayer = poDS->GetLayer(iLayer); #ifdef GDALV2 if (poLayer != NULL && EQUAL(poLayer->GetName(), CHAR(STRING_ELT(Layer, 0)))) { flag = 1; break; } #else if (poLayer != NULL && EQUAL(poLayer->GetLayerDefn()->GetName(), CHAR(STRING_ELT(Layer, 0)))) { flag = 1; break; } #endif } uninstallErrorHandlerAndTriggerError(); installErrorHandler(); if (flag != 0) { int res = poDS->DeleteLayer(iLayer); if (res != OGRERR_NONE) { #ifdef GDALV2 GDALClose( poDS ); #else OGRDataSource::DestroyDataSource( poDS ); #endif uninstallErrorHandlerAndTriggerError(); error("ogrDeleteLayer: failed to delete layer"); } } else { warning("ogrDeleteLayer: no such layer"); } #ifdef GDALV2 GDALClose( poDS ); #else OGRDataSource::DestroyDataSource( poDS ); #endif uninstallErrorHandlerAndTriggerError(); return(R_NilValue); }
SEXP ogrListLayers (SEXP ogrSource) { #ifdef GDALV2 GDALDataset *poDS; GDALDriver *poDriver; #else OGRDataSource *poDS; OGRSFDriver *poDriver; #endif OGRLayer *poLayer; int i, nlayers; SEXP ans, debug; int pc=0; installErrorHandler(); #ifdef GDALV2 poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrSource, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL); if(poDS==NULL) { uninstallErrorHandlerAndTriggerError(); error("Cannot open data source"); } poDriver = poDS->GetDriver(); #else poDS=OGRSFDriverRegistrar::Open(CHAR(STRING_ELT(ogrSource, 0)), FALSE, &poDriver); #endif uninstallErrorHandlerAndTriggerError(); if(poDS==NULL) { error("Cannot open data source"); } debug = getAttrib(ogrSource, mkString("debug")); installErrorHandler(); nlayers = poDS->GetLayerCount(); uninstallErrorHandlerAndTriggerError(); if (LOGICAL_POINTER(debug)[0] == TRUE) Rprintf("ogrListLayers: nlayers %d\n", nlayers); PROTECT(ans=NEW_CHARACTER(nlayers+1)); pc++; for (i=0; i<nlayers; i++) { installErrorHandler(); poLayer = poDS->GetLayer(i); if(poLayer == NULL) { if (LOGICAL_POINTER(debug)[0] == TRUE) { SET_STRING_ELT(ans, i, mkChar("")); Rprintf("ogrListLayers: NULL layer %d\n", i); } else { uninstallErrorHandlerAndTriggerError(); error("Cannot open layer"); } } else { SET_STRING_ELT(ans, i, mkChar(poLayer->GetLayerDefn()->GetName())); } uninstallErrorHandlerAndTriggerError(); } installErrorHandler(); #ifdef GDALV2 SET_STRING_ELT(ans, nlayers, mkChar(poDriver->GetDescription())); #else SET_STRING_ELT(ans, nlayers, mkChar(poDriver->GetName())); #endif uninstallErrorHandlerAndTriggerError(); installErrorHandler(); #ifdef GDALV2 GDALClose( poDS ); #else OGRDataSource::DestroyDataSource( poDS ); #endif uninstallErrorHandlerAndTriggerError(); UNPROTECT(pc); return(ans); }
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; }
FBErr FBProjectGdal::readFromDataset (QString datasetPath) { // Firstly try to open dataset and check its correctness. QByteArray ba; ba = datasetPath.toUtf8(); GDALDataset *dataset; dataset = (GDALDataset*) GDALOpenEx(ba.data(), GDAL_OF_VECTOR, NULL, NULL, NULL); if (dataset == NULL) { FBProject::CUR_ERR_INFO = QObject::tr("Unable to open dataset via GDAL"); return FBErrIncorrectGdalDataset; } // Check layer's count. int layerCount = dataset->GetLayerCount(); if (layerCount == 0 || layerCount > 1) { GDALClose(dataset); FBProject::CUR_ERR_INFO = QObject::tr("Selected GDAL dataset must contain 1" "layer, while it contains ") + QString::number(layerCount); return FBErrIncorrectGdalDataset; } OGRLayer *layer = dataset->GetLayer(0); if (layer == NULL) { GDALClose(dataset); FBProject::CUR_ERR_INFO = QObject::tr("Unable to read layer in selected GDAL" "dataset"); return FBErrIncorrectGdalDataset; } OGRFeatureDefn *layerDefn = layer->GetLayerDefn(); if (layerDefn->GetFieldCount() == 0) { GDALClose(dataset); FBProject::CUR_ERR_INFO = QObject::tr("Selected GDAL dataset's layer must" " contain at least one field, while it contains no fields"); return FBErrIncorrectGdalDataset_NotForNgw; } OGRSpatialReference *layerSpaRef = layer->GetSpatialRef(); if (layerSpaRef == NULL) { GDALClose(dataset); FBProject::CUR_ERR_INFO = QObject::tr("Selected GDAL dataset does not contain" " its spatial reference system description"); return FBErrIncorrectGdalDataset; } // All checks were made and we can fill the rest metadata of the project, which // can be read via GDAL. OGRwkbGeometryType geomType = layerDefn->GetGeomType(); FbGeomType *gt = FBProject::findGeomTypeByGdal(geomType); if (gt == NULL) { // No default value for geometry type. NextGIS Mobile will not be able // to read "undefined" geometry. So rise error here. // TODO: do not rise error for GDAL types which can be translated, such as // wkbPolygon25D to simple Polygon. GDALClose(dataset); FBProject::CUR_ERR_INFO = QObject::tr("Selected GDAL dataset has unsupported" " geometry type: ") + OGRGeometryTypeToName(geomType); return FBErrIncorrectGdalDataset_NotForNgw; } geometry_type = gt; for (int i=0; i<layerDefn->GetFieldCount(); i++) { FBField descr; OGRFieldDefn *fieldDefn = layerDefn->GetFieldDefn(i); OGRFieldType fieldType = fieldDefn->GetType(); FbDataType *dt = FBProject::findDataTypeByGdal(fieldType); if (dt == NULL) { // Default datatype. // Data will be converted to string during the writing into JSON file. descr.datataype = DATA_TYPES[FB_TYPEINDEX_DATA_STRING]; } else { descr.datataype = dt; } descr.display_name = QString::fromUtf8(fieldDefn->GetNameRef()); fields.insert(QString::fromUtf8(fieldDefn->GetNameRef()), descr); } GDALClose(dataset); return FBErrNone; }
bool Shape::load(const std::string& filename) { GDALAllRegister(); GDALDataset* poDS; poDS = (GDALDataset*)GDALOpenEx(filename.c_str(), GDAL_OF_VECTOR, NULL, NULL, NULL); if (poDS == NULL) return false; // 初期化 shapeObjects.clear(); minBound.x = std::numeric_limits<float>::max(); minBound.y = std::numeric_limits<float>::max(); minBound.z = std::numeric_limits<float>::max(); maxBound.x = -std::numeric_limits<float>::max(); maxBound.y = -std::numeric_limits<float>::max(); maxBound.z = -std::numeric_limits<float>::max(); int nLayers = poDS->GetLayerCount(); int i = 0; for (int n = 0; n < nLayers; ++n) { OGRLayer* poLayer = poDS->GetLayer(n); shapeType = poLayer->GetGeomType(); shapeObjects.resize(shapeObjects.size() + poLayer->GetFeatureCount()); OGRFeature* poFeature; poLayer->ResetReading(); while ((poFeature = poLayer->GetNextFeature()) != NULL) { // 属性の名前を読み込む std::vector<std::string> fieldNames; for (int j = 0; j < poFeature->GetFieldCount(); ++j) { OGRFieldDefn* poFieldDefn = poFeature->GetFieldDefnRef(j); fieldNames.push_back(poFieldDefn->GetNameRef()); } // 属性の値を読み込む OGRFeatureDefn *poFDefn = poLayer->GetLayerDefn(); for (int j = 0; j < poFDefn->GetFieldCount(); ++j) { OGRFieldDefn* poFieldDefn = poFDefn->GetFieldDefn(j); if (poFieldDefn->GetType() == OFTInteger) { shapeObjects[i].attributes[fieldNames[j]] = Variant(poFeature->GetFieldAsInteger(j)); } else if (poFieldDefn->GetType() == OFTInteger64) { shapeObjects[i].attributes[fieldNames[j]] = Variant(poFeature->GetFieldAsInteger(j)); } else if (poFieldDefn->GetType() == OFTReal) { shapeObjects[i].attributes[fieldNames[j]] = Variant(poFeature->GetFieldAsDouble(j)); } else if (poFieldDefn->GetType() == OFTString) { shapeObjects[i].attributes[fieldNames[j]] = Variant(poFeature->GetFieldAsString(j)); } else { shapeObjects[i].attributes[fieldNames[j]] = Variant(poFeature->GetFieldAsString(j)); } } // このshapeのベクトルデータを読み込む OGRGeometry* poGeometry = poFeature->GetGeometryRef(); if (poGeometry != NULL) { if (wkbFlatten(poGeometry->getGeometryType()) == wkbPoint) { shapeObjects[i].parts.resize(1); shapeObjects[i].parts[0].points.resize(1); OGRPoint* poPoint = (OGRPoint*)poGeometry; shapeObjects[i].parts[0].points[0].x = poPoint->getX(); shapeObjects[i].parts[0].points[0].y = poPoint->getY(); updateBounds(poPoint); } else if (wkbFlatten(poGeometry->getGeometryType()) == wkbLineString) { OGRLineString* poLineString = (OGRLineString*)poGeometry; readLineString(poLineString, shapeObjects[i]); } else if (wkbFlatten(poGeometry->getGeometryType()) == wkbPolygon) { OGRPolygon* poPolygon = (OGRPolygon*)poGeometry; readPolygon(poPolygon, shapeObjects[i]); } else if (wkbFlatten(poGeometry->getGeometryType()) == wkbMultiPolygon) { OGRMultiPolygon* poMultiPolygon = (OGRMultiPolygon*)poGeometry; readMultiPolygon(poMultiPolygon, shapeObjects[i]); } else { // not supported } } // shapeObjectsのインデックスをインクリメント i++; // OGRが取得したメモリを開放 OGRFeature::DestroyFeature(poFeature); } } GDALClose(poDS); return true; }