Name
ST_3DDifference — Perform 3D difference
Synopsis
geometry ST_3DDifference(geometry geom1, geometry geom2);
Description
![[Warning]](../images/warning.png)
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ST_3DDifference is deprecated as of 3.5.0. Use CG_3DDifference instead. |
Returns that part of geom1 that is not part of geom2.
Availability: 2.2.0
This method needs SFCGAL backend.
This method implements the SQL/MM specification.
SQL-MM IEC 13249-3: 5.1
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).