ST_MakeSolid — Cast the geometry into a solid. No check is performed. To
obtain a valid solid, the input geometry must be a closed Polyhedral
Surface or a closed TIN.
Synopsis
geometry +`*`+ST_MakeSolid*(`geometry `geom1`)`;
Description
Availability: 2.2.0
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).