[postgis-users] Geometrycollection to Multipolygon
Düster Horst
Horst.Duester at bd.so.ch
Tue Apr 22 23:24:46 PDT 2008
I do have a Geometrycollection which consists of a collection of
Multipolygons and Polygons. My aim is to create one single Multipolygon
from the mentioned Geometry collection.
Until now I tried the following steps without result:
1. ST_BUFFER(GEOMCOLL,0.0) => It works but all inner rings of my input
geometry are lost.
2. ST_UNION(GEOMCOLL) => doesn't work with Geometrycollections
Does anyone has a solution to solve my problem?
Best regards
Horst
------------------------------------------------
Dr. Horst Düster
GIS-Koordinator, Stv. Amtschef
Kanton Solothurn
Bau- und Justizdepartement
Amt für Geoinformation
SO!GIS Koordination
Rötistrasse 4
CH-4501 Solothurn
Telefon ++41(0)32 627 25 32
Telefax ++41(0)32 627 22 14
mailto:horst.duester at bd.so.ch
http://www.agi.so.ch
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