Example #1
0
SEXP ogrP4S(SEXP ogrsourcename, SEXP Layer) {

#ifdef GDALV2
//    GDALDriver *poDriver;
    GDALDataset *poDS;
#else
    OGRSFDriver *poDriver;
    OGRDataSource *poDS;
#endif
    OGRLayer *poLayer;

    OGRSpatialReference *hSRS = NULL;
    char *pszProj4 = NULL;
    SEXP ans;

    installErrorHandler();
#ifdef GDALV2
    poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrsourcename, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL);
#else
    poDS=OGRSFDriverRegistrar::Open(CHAR(STRING_ELT(ogrsourcename, 0)), 
	FALSE, &poDriver);
#endif
    uninstallErrorHandlerAndTriggerError();

    if(poDS==NULL){
      error("Cannot open file");
    }
    installErrorHandler();
    poLayer = poDS->GetLayerByName(CHAR(STRING_ELT(Layer, 0)));
    uninstallErrorHandlerAndTriggerError();

    if(poLayer == NULL){
      error("Cannot open layer");
    }

    PROTECT(ans=NEW_CHARACTER(1));

    installErrorHandler();
    hSRS = poLayer->GetSpatialRef();
    uninstallErrorHandlerAndTriggerError();

    if (hSRS != NULL) {
        installErrorHandler();
	hSRS->morphFromESRI();
        if (hSRS->exportToProj4(&pszProj4) != OGRERR_NONE) {
//	    SET_VECTOR_ELT(ans, 0, NA_STRING);
            SET_STRING_ELT(ans, 0, NA_STRING);
	} else {
//	    SET_VECTOR_ELT(ans, 0, COPY_TO_USER_STRING(pszProj4));
            SET_STRING_ELT(ans, 0, COPY_TO_USER_STRING(pszProj4));
	}
        uninstallErrorHandlerAndTriggerError();
//    } else SET_VECTOR_ELT(ans, 0, NA_STRING);
      } else SET_STRING_ELT(ans, 0, NA_STRING);

    installErrorHandler();
    delete poDS;
    uninstallErrorHandlerAndTriggerError();
    UNPROTECT(1);
    return(ans);
}
Example #2
0
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;
}
Example #3
0
static OGRGeometryCollection* LoadGeometry( const char* pszDS,
                                            const char* pszSQL,
                                            const char* pszLyr,
                                            const char* pszWhere )
{
    GDALDataset         *poDS;
    OGRLayer            *poLyr;
    OGRFeature          *poFeat;
    OGRGeometryCollection *poGeom = NULL;
        
    poDS = (GDALDataset*) GDALOpen( pszDS, GA_ReadOnly );
    if ( poDS == NULL )
        return NULL;

    if ( pszSQL != NULL )
        poLyr = poDS->ExecuteSQL( pszSQL, NULL, NULL ); 
    else if ( pszLyr != NULL )
        poLyr = poDS->GetLayerByName( pszLyr );
    else
        poLyr = poDS->GetLayer(0);
        
    if ( poLyr == NULL )
    {
        fprintf( stderr,
            "FAILURE: Failed to identify source layer from datasource.\n" );
        GDALClose( (GDALDatasetH) poDS );
        return NULL;
    }
    
    if ( pszWhere )
        poLyr->SetAttributeFilter( pszWhere );
        
    while ( (poFeat = poLyr->GetNextFeature()) != NULL )
    {
        OGRGeometry* poSrcGeom = poFeat->GetGeometryRef();
        if ( poSrcGeom )
        {
            OGRwkbGeometryType eType =
                wkbFlatten( poSrcGeom->getGeometryType() );
            
            if ( poGeom == NULL )
                poGeom = new OGRMultiPolygon();

            if ( eType == wkbPolygon )
                poGeom->addGeometry( poSrcGeom );
            else if ( eType == wkbMultiPolygon )
            {
                int iGeom;
                int nGeomCount =
                    ((OGRMultiPolygon *)poSrcGeom)->getNumGeometries();

                for ( iGeom = 0; iGeom < nGeomCount; iGeom++ )
                {
                    poGeom->addGeometry(
                        ((OGRMultiPolygon *)poSrcGeom)->getGeometryRef(iGeom) );
                }
            }
            else
            {
                fprintf( stderr, "FAILURE: Geometry not of polygon type.\n" );
                OGRGeometryFactory::destroyGeometry( poGeom );
                OGRFeature::DestroyFeature( poFeat );
                if ( pszSQL != NULL )
                    poDS->ReleaseResultSet( poLyr );
                GDALClose( (GDALDatasetH) poDS );
                return NULL;
            }
        }
    
        OGRFeature::DestroyFeature( poFeat );
    }
    
    if( pszSQL != NULL )
        poDS->ReleaseResultSet( poLyr );
    GDALClose( (GDALDatasetH) poDS );
    
    return poGeom;
}
Example #4
0
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;
}
Example #5
0
SEXP ogrCheckExists (SEXP ogrSource, SEXP Layer) {
    OGRLayer *poLayer;
#ifdef GDALV2
    GDALDataset *poDS;
    GDALDriver *poDriver;
#else
    OGRDataSource *poDS;
    OGRSFDriver *poDriver;
#endif
    SEXP ans, drv;
    int pc=0;
    PROTECT(ans=NEW_LOGICAL(1));
    pc++;

    installErrorHandler();
#ifdef GDALV2
    poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrSource, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL);
    if (poDS != NULL) poDriver = poDS->GetDriver();
#else
    poDS=OGRSFDriverRegistrar::Open(CHAR(STRING_ELT(ogrSource, 0)),
                                    FALSE, &poDriver);
#endif
    uninstallErrorHandlerAndTriggerError();

    if (poDS==NULL) {
//      installErrorHandler();
//      OGRDataSource::DestroyDataSource( poDS );
//      uninstallErrorHandlerAndTriggerError();
//    delete poDS;
        LOGICAL_POINTER(ans)[0] = FALSE;
        UNPROTECT(pc);
        return(ans);
    }

    installErrorHandler();
    poLayer = poDS->GetLayerByName(CHAR(STRING_ELT(Layer, 0)));
    uninstallErrorHandlerAndTriggerError();

    if (poLayer == NULL) {
        installErrorHandler();
#ifdef GDALV2
        GDALClose( poDS );
#else
        OGRDataSource::DestroyDataSource( poDS );
#endif
        uninstallErrorHandlerAndTriggerError();
//    delete poDS;
        LOGICAL_POINTER(ans)[0] = FALSE;
        UNPROTECT(pc);
        return(ans);
    }

    LOGICAL_POINTER(ans)[0] = TRUE;

    PROTECT(drv=allocVector(STRSXP,1));
    pc++;
    installErrorHandler();
#ifdef GDALV2
    SET_STRING_ELT(drv, 0, mkChar(poDriver->GetDescription()));
#else
    SET_STRING_ELT(drv, 0, mkChar(poDriver->GetName()));
#endif
    uninstallErrorHandlerAndTriggerError();
    setAttrib(ans, install("driver"), drv);

    installErrorHandler();
#ifdef GDALV2
    GDALClose( poDS );
#else
    OGRDataSource::DestroyDataSource( poDS );
#endif
    uninstallErrorHandlerAndTriggerError();
//    delete poDS;
    UNPROTECT(pc);
    return(ans);
}
Example #6
0
// extern "C" {
SEXP ogrDataFrame(SEXP ogrSource, SEXP Layer, SEXP FIDs, SEXP iFields) {
    // query an OGR data source and return a list
    SEXP ans;
    SEXP nListFields, ListFields=R_NilValue, int64;
    OGRLayer *poLayer;
#ifdef GDALV2
    GDALDataset *poDS;
#else
    OGRDataSource *poDS;
    OGRSFDriver *poDriver;
#endif

    int iField, nflds=length(iFields), j=0, k;
    int pc=0;

    // open the data source layer or error
    installErrorHandler();
#ifdef GDALV2
    poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrSource, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL);
#else
    poDS=OGRSFDriverRegistrar::Open(CHAR(STRING_ELT(ogrSource,0)),
                                    FALSE, &poDriver);
#endif
    uninstallErrorHandlerAndTriggerError();

    if(poDS==NULL) {
        error("Cannot open file");
    }

    installErrorHandler();
    poLayer = poDS->GetLayerByName(CHAR(STRING_ELT(Layer, 0)));
    uninstallErrorHandlerAndTriggerError();

    if(poLayer == NULL) {
        error("Cannot open layer");
    }

    int64 = getAttrib(iFields, mkString("int64"));
    nListFields = getAttrib(iFields, mkString("nListFields"));
    SEXP ENC_attr = getAttrib(iFields, mkString("ENCODING_DEBUG"));

    int ENC_DEBUG = LOGICAL_POINTER(ENC_attr)[0];

    // reserve a list for the result
    if (INTEGER_POINTER(nListFields)[0] == 0) {
        PROTECT(ans=allocVector(VECSXP,length(iFields)));
        pc++;
    } else {
        nflds = INTEGER_POINTER(getAttrib(iFields, mkString("nflds")))[0];
        PROTECT(ans=allocVector(VECSXP,nflds));
        pc++;
        ListFields = getAttrib(iFields, mkString("ListFields"));
    }
    // now set each element of the list
    installErrorHandler();
    if (INTEGER_POINTER(nListFields)[0] == 0) {
        for(iField=0; iField<length(iFields); iField++) {
            SET_VECTOR_ELT(ans,iField,ogrReadColumn(poLayer, FIDs, INTEGER(iFields)[iField], INTEGER(int64)[0], ENC_DEBUG));
        }
    } else {
        j=0;
        for(iField=0; iField<length(iFields); iField++) {
            if (INTEGER_POINTER(ListFields)[iField] == 0) {
                SET_VECTOR_ELT(ans, j,
                               ogrReadColumn(poLayer, FIDs, INTEGER(iFields)[iField], INTEGER(int64)[0], ENC_DEBUG));
                j++;
            } else {
                for (k=0; k < INTEGER_POINTER(ListFields)[iField]; k++) {
                    SET_VECTOR_ELT(ans, j,
                                   ogrReadListColumn(poLayer, FIDs,
                                                     INTEGER(iFields)[iField], k, INTEGER(int64)[0]));
                    j++;
                }
            }
        }
    }
    uninstallErrorHandlerAndTriggerError();
    // clean up and return
    installErrorHandler();
#ifdef GDALV2
    GDALClose( poDS );
#else
    OGRDataSource::DestroyDataSource( poDS );
#endif
//    delete poDS;
    uninstallErrorHandlerAndTriggerError();
    UNPROTECT(pc);
    return(ans);
}
Example #7
0
// extern "C" {
SEXP ogrInfo(SEXP ogrsourcename, SEXP Layer) {
    // return FIDs, nFields, fieldInfo

    SEXP ans, vec1, vec2, vec3,/*mat,*/drv, dvec;
    SEXP itemlist, itemnames, itemwidth, itemtype, itemTypeNames;
    SEXP itemlistmaxcount;
#ifdef GDALV2
    SEXP dFIDs;
#endif
    /*SEXP geotype;*/

    int nFIDs, nFields, iField, *nCount, pc=0;

#ifdef GDALV2
    GDALDriver *poDriver;
    GDALDataset *poDS;
#else
    OGRDataSource *poDS;
    OGRSFDriver *poDriver;
#endif
    OGRLayer *poLayer;
    OGRFeature *poFeature;
    OGRFeatureDefn *poDefn;
    /*  OGRGeometry *poGeom;*/

    installErrorHandler();
#ifdef GDALV2
    poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(ogrsourcename, 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(ogrsourcename, 0)),
                                    FALSE, &poDriver);
#endif
    uninstallErrorHandlerAndTriggerError();

    if(poDS==NULL) {
        installErrorHandler();
#ifdef GDALV2
        GDALClose( poDS );
#else
        OGRDataSource::DestroyDataSource( poDS );
#endif
        uninstallErrorHandlerAndTriggerError();
//    delete poDS;
        error("Cannot open file");
    }

    installErrorHandler();
    poLayer = poDS->GetLayerByName(CHAR(STRING_ELT(Layer, 0)));
    uninstallErrorHandlerAndTriggerError();

    if(poLayer == NULL) {
        installErrorHandler();
#ifdef GDALV2
        GDALClose( poDS );
#else
        OGRDataSource::DestroyDataSource( poDS );
#endif
        uninstallErrorHandlerAndTriggerError();
//    delete poDS;
        error("Cannot open layer");
    }

    // allocate a list for return values
    PROTECT(ans=allocVector(VECSXP,6));
    pc++;

    PROTECT(drv=allocVector(STRSXP,1));
    pc++;
    installErrorHandler();
#ifdef GDALV2
    SET_STRING_ELT(drv, 0, mkChar(poDriver->GetDescription()));
#else
    SET_STRING_ELT(drv, 0, mkChar(poDriver->GetName()));
#endif
    uninstallErrorHandlerAndTriggerError();
    SET_VECTOR_ELT(ans,3,drv);

    PROTECT(vec1=allocVector(INTSXP,1));
    pc++;
    installErrorHandler();
#ifdef GDALV2
    GIntBig nFIDs64 = poLayer->GetFeatureCount();
    nFIDs = (nFIDs64 > INT_MAX) ? INT_MAX :
            (nFIDs64 < INT_MIN) ? INT_MIN : (int) nFIDs64;
    if ((GIntBig) nFIDs != nFIDs64) {
        warning("ogrInfo: feature count overflow");
        INTEGER(vec1)[0]=NA_INTEGER;
        PROTECT(dFIDs=NEW_NUMERIC(1));
        pc++;
        NUMERIC_POINTER(dFIDs)[0] = (double) nFIDs64;
        setAttrib(vec1, install("dFIDs"), dFIDs);
    } else {
        // store number of FIDs
        INTEGER(vec1)[0]=nFIDs;
    }
#else
    nFIDs   = poLayer->GetFeatureCount();
    // store number of FIDs
    INTEGER(vec1)[0]=nFIDs;
#endif
    uninstallErrorHandlerAndTriggerError();

    if (nFIDs == -1) {
        int i=0;
        installErrorHandler();
        while( ((poFeature = poLayer->GetNextFeature()) != NULL) && i <= INT_MAX) {
            i++;
            OGRFeature::DestroyFeature( poFeature );
//    delete poFeature;
        }
        uninstallErrorHandlerAndTriggerError();
        if (i == INT_MAX) {
            error("ogrInfo: undeclared feature count overflow");
        } else {
            nFIDs = i;
            warning("ogrInfo: feature count not given; %d counted", nFIDs);
        }
        installErrorHandler();
        poLayer->ResetReading();
        uninstallErrorHandlerAndTriggerError();

        INTEGER(vec1)[0]=nFIDs;
    }

    SET_VECTOR_ELT(ans,0,vec1);



    // store other stuff....
    installErrorHandler();
    poDefn = poLayer->GetLayerDefn();
    nFields =  poDefn->GetFieldCount();
    uninstallErrorHandlerAndTriggerError();

    // store number of fields
    PROTECT(vec2=allocVector(INTSXP,1));
    pc++;
    INTEGER(vec2)[0]=nFields;
    SET_VECTOR_ELT(ans,1,vec2);
    installErrorHandler();
    OGREnvelope oExt;
    if (poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE) {
        PROTECT(dvec=allocVector(REALSXP,4));
        pc++;
        REAL(dvec)[0] = oExt.MinX;
        REAL(dvec)[1] = oExt.MinY;
        REAL(dvec)[2] = oExt.MaxX;
        REAL(dvec)[3] = oExt.MaxY;
        SET_VECTOR_ELT(ans,4,dvec);
    }
    uninstallErrorHandlerAndTriggerError();

    PROTECT(itemnames=allocVector(STRSXP,nFields));
    pc++;
    PROTECT(itemtype=allocVector(INTSXP,nFields));
    pc++;
    PROTECT(itemwidth=allocVector(INTSXP,nFields));
    pc++;
// try List types
    PROTECT(itemlistmaxcount=allocVector(INTSXP,nFields));
    pc++;
    PROTECT(itemTypeNames=allocVector(STRSXP,nFields));
    pc++;
    int listFieldCount=0;

    installErrorHandler();
    for(iField=0; iField<nFields; iField++) {
        OGRFieldDefn *poField = poDefn->GetFieldDefn(iField);
        SET_STRING_ELT(itemnames,iField,mkChar(poField->GetNameRef()));
        INTEGER(itemtype)[iField]=poField->GetType();
        if (INTEGER(itemtype)[iField] == OFTIntegerList ||
                INTEGER(itemtype)[iField] == OFTRealList ||
                INTEGER(itemtype)[iField] == OFTStringList) listFieldCount++;
        INTEGER(itemwidth)[iField]=poField->GetWidth();
        SET_STRING_ELT(itemTypeNames,iField,mkChar(poField->GetFieldTypeName(
                           poField->GetType())));
        INTEGER(itemlistmaxcount)[iField] = 0;
    }
    uninstallErrorHandlerAndTriggerError();

    PROTECT(vec3=allocVector(INTSXP,1));
    pc++;
    INTEGER(vec3)[0]=listFieldCount;
    SET_VECTOR_ELT(ans,5,vec3);
    PROTECT(itemlist=allocVector(VECSXP,5));
    pc++;
    SET_VECTOR_ELT(itemlist,0,itemnames);
    SET_VECTOR_ELT(itemlist,1,itemtype);
    SET_VECTOR_ELT(itemlist,2,itemwidth);
    SET_VECTOR_ELT(itemlist,3,itemTypeNames);
// try List types
    if (listFieldCount > 0) {

        poLayer->ResetReading();
        OGRFeature* poFeature;

        nCount = (int *) R_alloc((size_t) nFields, sizeof(int));
        for (iField=0; iField<nFields; iField++) nCount[iField] = 0;
        installErrorHandler();
        OGRField* psField;
        while( (poFeature = poLayer->GetNextFeature()) != NULL ) {
            for(iField=0; iField<nFields; iField++) {
                psField = poFeature->GetRawFieldRef(iField);
                if (INTEGER(itemtype)[iField] == OFTIntegerList) {
                    nCount[iField] = psField->IntegerList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                } else if (INTEGER(itemtype)[iField] == OFTRealList) {
                    nCount[iField] = psField->RealList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                } else if (INTEGER(itemtype)[iField] == OFTStringList) {
                    nCount[iField] = psField->StringList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                }
            }
            OGRFeature::DestroyFeature( poFeature );
//    delete poFeature;
        }
        uninstallErrorHandlerAndTriggerError();

    }
    SET_VECTOR_ELT(itemlist,4,itemlistmaxcount);
    SET_VECTOR_ELT(ans,2,itemlist);

    UNPROTECT(pc);

    installErrorHandler();
#ifdef GDALV2
    GDALClose( poDS );
#else
    OGRDataSource::DestroyDataSource( poDS );
#endif
    uninstallErrorHandlerAndTriggerError();
//    delete poDS;
    return(ans);

}
Example #8
0
//extern "C" {
SEXP ogrFIDs(SEXP filename, SEXP layer) {
    SEXP fids, nf, ii;
    int /*layerNum,*/i;
    int nFeatures, pc=0;
    OGRLayer *poLayer;
    OGRFeature *poFeature;
#ifdef GDALV2
    GDALDataset *poDS;
#else
    OGRDataSource *poDS;
    OGRSFDriver *poDriver;
#endif

    installErrorHandler();
#ifdef GDALV2
    poDS=(GDALDataset*) GDALOpenEx(CHAR(STRING_ELT(filename, 0)), GDAL_OF_VECTOR, NULL, NULL, NULL);
#else
    poDS=OGRSFDriverRegistrar::Open(CHAR(STRING_ELT(filename, 0)),
                                    FALSE, &poDriver);
#endif
    uninstallErrorHandlerAndTriggerError();

    if(poDS==NULL) {
        error("Cannot open file");
    }

    installErrorHandler();
    poLayer = poDS->GetLayerByName(CHAR(STRING_ELT(layer, 0)));
    uninstallErrorHandlerAndTriggerError();

    if(poLayer == NULL) {
        error("Cannot open layer");
    }
    installErrorHandler();
#ifdef GDALV2
    GIntBig nFIDs64 = poLayer->GetFeatureCount();
    nFeatures = (nFIDs64 > INT_MAX) ? INT_MAX :
                (nFIDs64 < INT_MIN) ? INT_MIN : (int) nFIDs64;
    if ((GIntBig) nFeatures != nFIDs64) {
        uninstallErrorHandlerAndTriggerError();
        error("ogrFIDs: feature count overflow");
    }
#else
    nFeatures=poLayer->GetFeatureCount();
#endif
    uninstallErrorHandlerAndTriggerError();

    if (nFeatures == -1) {
        i=0;
        installErrorHandler();
        while( ((poFeature = poLayer->GetNextFeature()) != NULL) && i <= INT_MAX) {
            i++;
            OGRFeature::DestroyFeature( poFeature );
//    delete poFeature;
        }
        uninstallErrorHandlerAndTriggerError();
        installErrorHandler();
        poLayer->ResetReading();
        uninstallErrorHandlerAndTriggerError();
        if (i == INT_MAX) {
            error("ogrFIDs: feature count overflow");
        } else {
            nFeatures = i;
        }
    }

    PROTECT(fids=allocVector(INTSXP,nFeatures));
    pc++;
    PROTECT(nf = NEW_INTEGER(1));
    pc++;
    INTEGER_POINTER(nf)[0] = nFeatures;
    PROTECT(ii = NEW_INTEGER(1));
    pc++;

    installErrorHandler();
    poLayer->ResetReading();
    uninstallErrorHandlerAndTriggerError();


    i=0;
    installErrorHandler();
    while( (poFeature = poLayer->GetNextFeature()) != NULL ) {
        INTEGER(fids)[i]= (int) poFeature->GetFID();
        i++;
        OGRFeature::DestroyFeature( poFeature );
//    delete poFeature;
    }
    uninstallErrorHandlerAndTriggerError();

    INTEGER_POINTER(ii)[0] = i;
    setAttrib(fids, install("nf"), nf);
    setAttrib(fids, install("i"), ii);

    installErrorHandler();
#ifdef GDALV2
    GDALClose( poDS );
#else
    OGRDataSource::DestroyDataSource( poDS );
#endif
    uninstallErrorHandlerAndTriggerError();
//  delete poDS;

    UNPROTECT(pc);
    return(fids);

}