extract_nodes_polys extract_nodes_polys 1 EPSG:4326 33 -1.00000 10.00000 -3.00000 6.00000 name name String 5 intval intval Integer floatval floatval Real vertex_index vertex_index Integer vertex_part vertex_part Integer vertex_part_ring vertex_part_ring Integer vertex_part_index vertex_part_index Integer distance distance Real angle angle Real