[geos-devel] Re: [GEOS] #368: TopologyException on Union of valid geometries [JTS fails too]

GEOS geos-trac at osgeo.org
Fri Apr 29 06:03:41 EDT 2011


#368: TopologyException on Union of valid geometries [JTS fails too]
------------------------+---------------------------------------------------
 Reporter:  yabo        |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  major       |   Milestone:                            
Component:  Default     |     Version:  svn-trunk                 
 Severity:  Unassigned  |    Keywords:  jtsbug                    
------------------------+---------------------------------------------------

Comment(by strk):

 The problem is with 3rd polygon in A, which is a long and narrow ring.
 ST_Area returns 0 for it.. The non-noded intersection seems to be between
 the two wings of that "ring", or a snapped version of them.

-- 
Ticket URL: <http://trac.osgeo.org/geos/ticket/368#comment:7>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).


More information about the geos-devel mailing list