ST_Simplify
Indietro  9.9. Topology Processing  Avanti

Nome

ST_Simplify — Returns a "simplified" geometry version of the given TopoGeometry using the Douglas-Peucker algorithm.

Sinossi

geometry ST_Simplify(topogeometry tg, float8 tolerance);

Description

Returns a "simplified" geometry version of the given TopoGeometry using the Douglas-Peucker algorithm on each component edge.

[Nota]

The returned geometry may be non-simple or non-valid.

Splitting component edges may help retaining simplicity/validity.

Eseguito dal modulo GEOS.

Disponibilità: 2.1.0