pggeodb.nancy.inra.fr/db_cefs - db_cefs on pggeodb.nancy.inra.fr

Function: st_simplifypreservetopology

Schema

public

Owner

postgres

Descriptions

args: geomA, tolerance - Returns a "simplified" version of the given geometry using the Douglas-Peucker algorithm. Will avoid creating derived geometries (polygons in particular) that are invalid.

Options

Definition

CREATE OR REPLACE FUNCTION public.st_simplifypreservetopology (
 public.geometry,
 double precision
)
RETURNS public.geometry AS
'$libdir/postgis-2.2', 'topologypreservesimplify'
LANGUAGE 'c'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

COMMENT ON FUNCTION public.st_simplifypreservetopology(public.geometry, double precision)
IS 'args: geomA, tolerance - Returns a "simplified" version of the given geometry using the Douglas-Peucker algorithm. Will avoid creating derived geometries (polygons in particular) that are invalid.';

This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 13/03/2014 13:23