ST_CoordDim — Return the coordinate dimension of a geometry.
integer ST_CoordDim(
geometry geomA)
;
Return the coordinate dimension of the ST_Geometry value.
This is the MM compliant alias name for ST_NDims
This method implements the OGC Simple Features Implementation Specification for SQL 1.1.
This method implements the SQL/MM specification. SQL-MM 3: 5.1.3
This method supports Circular Strings and Curves.
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).
SELECT ST_CoordDim('CIRCULARSTRING(1 2 3, 1 3 4, 5 6 7, 8 9 10, 11 12 13)'); ---result-- 3 SELECT ST_CoordDim(ST_Point(1,2)); --result-- 2