[geos-devel] [GEOS] #752: TopologyException while comparing collections

GEOS geos-trac at osgeo.org
Tue Nov 3 02:08:05 PST 2015

#752: TopologyException while comparing collections
 Reporter:  sirsigurd   |       Owner:  geos-devel@…
     Type:  defect      |      Status:  new
 Priority:  major       |   Milestone:  3.5.1
Component:  Default     |     Version:  3.5.0
 Severity:  Unassigned  |  Resolution:
 Keywords:              |

Comment (by strk):

 NOTE: the two polygons in the collection are overlapping so I guess it
 could make sense for topology builder to fail.

 I confirm JTS would also fail when dropping the geometrycollection input
 Exception in thread "AWT-EventQueue-0"
 com.vividsolutions.jts.geom.TopologyException: side location conflict [
 (3.0, 4.0, NaN) ]

Ticket URL: <https://trac.osgeo.org/geos/ticket/752#comment:3>
GEOS <http://trac.osgeo.org/geos>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).

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