[geos-devel] [GEOS] #615: ST_SymDifference triggers a crash in WKTWriter (?)

GEOS geos-trac at osgeo.org
Wed Jan 16 09:34:38 PST 2013

#615: ST_SymDifference triggers a crash in WKTWriter (?)
 Reporter:  strk        |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  blocker     |   Milestone:  3.3.7                     
Component:  Default     |     Version:  3.3.6                     
 Severity:  Unassigned  |    Keywords:                            

Comment(by strk):

 ST_Node can't correctly node it, so no way to polygonize.
 It's extent is (basically a point):
  BOX(16.5704635124779 46.5165180759406,16.5708285924579 46.5183561657865)

 Snapping its inputs to a grid of 1e-13 gives us something usable. 1e-14
 isn't enough.

Ticket URL: <http://trac.osgeo.org/geos/ticket/615#comment:6>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).

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