---
title: "CG_IsSolid"
draft: false
hidden: true
---
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).