C++ (Cpp) OGRGeoJSONDataSource::GetLayerCount Exemples

Exemple #1

Fichier : ogrgeojsondriver.cpp Projet : drownedout/datamap

int OGRESRIFeatureServiceDataset::LoadPage()
{
    CPLString osNewURL = CPLURLAddKVP(osURL, "resultOffset",
                                        CPLSPrintf(CPL_FRMT_GIB, nLastOffset));
    OGRGeoJSONDataSource* poDS = NULL;
    poDS = new OGRGeoJSONDataSource();
    GDALOpenInfo oOpenInfo(osNewURL, GA_ReadOnly);
    if( !poDS->Open( &oOpenInfo, GeoJSONGetSourceType( &oOpenInfo ) ) ||
        poDS->GetLayerCount() == 0 )
    {
        delete poDS;
        poDS= NULL;
        return FALSE;
    }
    delete poCurrent;
    poCurrent = poDS;
    return TRUE;
}