PostGIS
Description
Returns a box3d representing the 3D extent of the geometry.
Enhanced: 2.0.0 support for Polyhedral surfaces, Triangles and TIN was introduced.
This method
supports Circular Strings and Curves
This function
supports Polyhedral surfaces.
This function
supports Triangles and Triangulated Irregular Network Surfaces (TIN).
This function
supports 3d and will not drop the z-index.