CG_IsPlanar — Check if a surface is or not planar
boolean CG_IsPlanar(
geometry geom)
;
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).