Exemplos de OGRPolygon::clone em C++ (Cpp)

Exemplo n.º 1

Arquivo: main.cpp Projeto: BishopGIS/gisconf2015

void SaveGeometry(const CPLString &path, const OGRPolygon &polygon, const OGRSpatialReference &spaRef)
{
    const char *pszDriverName = "ESRI Shapefile";
    GDALDriver *poDriver = GetGDALDriverManager()->GetDriverByName(pszDriverName );
    if( poDriver == NULL )
    {
        printf( "%s driver not available.\n", pszDriverName );
        exit( 1 );
    }

    GDALDataset *poDS = poDriver->Create( path, 0, 0, 0, GDT_Unknown, NULL );
    if( poDS == NULL )
    {
        printf( "Creation of output file failed.\n" );
        exit( 1 );
    }

    const char* pszLayerName = CPLGetBasename(path);

    OGRLayer *poLayer = poDS->CreateLayer( pszLayerName, spaRef.Clone(), wkbPolygon, NULL );
    if( poLayer == NULL )
    {
        printf( "Layer creation failed.\n" );
        exit( 1 );
    }

    OGRFieldDefn oField( "Name", OFTString );
    oField.SetWidth(32);
    if( poLayer->CreateField( &oField ) != OGRERR_NONE )
    {
        printf( "Creating Name field failed.\n" );
        exit( 1 );
    }

    OGRFeature *poFeature = OGRFeature::CreateFeature( poLayer->GetLayerDefn() );
    //poFeature->SetField( "Name", szName );

    poFeature->SetGeometry( polygon.clone() );
    if( poLayer->CreateFeature( poFeature ) != OGRERR_NONE )
    {
        printf( "Failed to create feature in shapefile.\n" );
        exit( 1 );
    }
    OGRFeature::DestroyFeature( poFeature );
    GDALClose( poDS );
}