[geos-devel] Re: [GEOS] #488: TopologyException unioning valid geometries

GEOS geos-trac at osgeo.org
Wed Dec 14 14:57:06 EST 2011

#488: TopologyException unioning valid geometries
 Reporter:  sky         |        Owner:  geos-devel@…              
     Type:  defect      |       Status:  closed                    
 Priority:  major       |    Milestone:  3.4.0                     
Component:  Default     |      Version:  svn-trunk                 
 Severity:  Unassigned  |   Resolution:  invalid                   
 Keywords:              |  

Comment(by sky):

 Replying to [comment:15 strk]:
 > A MultiPolygon in which two polygons overlap is not valid.

 I do not understand, how I'm supposed to do a cascadedUnion of overlaping
 geometries ?

Ticket URL: <http://trac.osgeo.org/geos/ticket/488#comment:18>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).

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