ST_StraightSkeleton

Name

ST_StraightSkeleton — Compute a straight skeleton from a geometry

Synopsis

geometry ST_StraightSkeleton ( geometry geom ) ;

Description

Availability: 2.1.0

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).

Examples

SELECT ST_StraightSkeleton(ST_GeomFromText('POLYGON (( 190 190, 10 190, 10 10, 190 10, 190 20, 160 30, 60 30, 60 130, 190 140, 190 190 ))'));

Original polygon

Straight Skeleton of polygon