CG_IsSolid — Test if the geometry is a solid. No validity check is performed.
boolean CG_IsSolid(
geometry geom1)
;
Availability: 3.5.0
This method needs SFCGAL backend.
This function supports 3d and will not drop the z-index.
This function supports Polyhedral surfaces.
This function supports Triangles and Triangulated Irregular Network Surfaces (TIN).