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

GEOS geos-trac at osgeo.org
Thu Dec 15 04:12:02 EST 2011


#488: TopologyException unioning valid geometries [JTS fails]
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 Reporter:  sky         |        Owner:  geos-devel@…              
     Type:  defect      |       Status:  reopened                  
 Priority:  major       |    Milestone:  GEOS Future               
Component:  Default     |      Version:  svn-trunk                 
 Severity:  Unassigned  |   Resolution:                            
 Keywords:  jts fails   |  
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Comment(by strk):

 self-unioning an operand becoming invalid after snap fixes this case.
 Attaching an updated reduced version with expected result (obtained with
 this heuristic)

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Ticket URL: <http://trac.osgeo.org/geos/ticket/488#comment:27>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).


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