ST_StraightSkeleton — Calcule um esqueleto em linha reta de uma geometria
geometry ST_StraightSkeleton(
geometry geom)
;
Disponibilidade: 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).
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 ))'));
![]() Polígono original |
![]() Esqueleto reto de polígono |