Does Postgis ST_SimplifyPreserveTopology() work for you?
http://postgis.org/docs/ST_SimplifyPreserveTopology.html
Cheers,
Brent Wood
--- On Tue, 2/21/12, Arnd Wippermann wrote:
From: Arnd Wippermann
Subject: [gdal-dev] Simplify a polygon topology doesn't preserve the topology
To:
Hi,
I try to simplify a polygon topology (GDAL 1.9.0, released 2011/12/29).
SET INPUT="top1_bene.gml"
SET OUTPUT_01="top1_bene_sim_01.gml"
SET OUTPUT_005="top1_bene_sim_005.gml"
SET OUTPUT_001="top1_bene_sim_001.gml"
"%prgpfad%\ogr2ogr" -f "GML" %OUTPUT_01% %INPUT% -simplify 0.1
"%prgpfad%\og
