Geometry properties

GeometryType(value)	The enumeration of GEOS geometry types
get_type_id(geometry, **kwargs)	Returns the type ID of a geometry.
get_dimensions(geometry, **kwargs)	Returns the inherent dimensionality of a geometry.
get_coordinate_dimension(geometry, **kwargs)	Returns the dimensionality of the coordinates in a geometry (2 or 3).
get_num_coordinates(geometry, **kwargs)	Returns the total number of coordinates in a geometry.
get_srid(geometry, **kwargs)	Returns the SRID of a geometry.
set_srid(geometry, srid, **kwargs)	Returns a geometry with its SRID set.
get_x(point, **kwargs)	Returns the x-coordinate of a point
get_y(point, **kwargs)	Returns the y-coordinate of a point
get_z(point, **kwargs)	Returns the z-coordinate of a point.
get_exterior_ring(geometry, **kwargs)	Returns the exterior ring of a polygon.
get_num_points(geometry, **kwargs)	Returns number of points in a linestring or linearring.
get_num_interior_rings(geometry, **kwargs)	Returns number of internal rings in a polygon
get_num_geometries(geometry, **kwargs)	Returns number of geometries in a collection.
get_point(geometry, index, **kwargs)	Returns the nth point of a linestring or linearring.
get_interior_ring(geometry, index, **kwargs)	Returns the nth interior ring of a polygon.
get_geometry(geometry, index, **kwargs)	Returns the nth geometry from a collection of geometries.
get_parts(geometry[, return_index])	Gets parts of each GeometryCollection or Multi* geometry object; returns a copy of each geometry in the GeometryCollection or Multi* geometry object.
get_rings(geometry[, return_index])	Gets rings of Polygon geometry object.
get_precision(geometry, **kwargs)	Get the precision of a geometry.
set_precision(geometry, grid_size[, mode])	Returns geometry with the precision set to a precision grid size.
force_2d(geometry, **kwargs)	Forces the dimensionality of a geometry to 2D.
force_3d(geometry[, z])	Forces the dimensionality of a geometry to 3D.