[geos-devel] [GEOS] #1046: Unary union does not combine all parts

GEOS geos-trac at osgeo.org
Thu Aug 20 16:20:48 PDT 2020


#1046: Unary union does not combine all parts
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 Reporter:  Mike Taves  |       Owner:  geos-devel@…
     Type:  defect      |      Status:  new
 Priority:  major       |   Milestone:
Component:  Default     |     Version:  master
 Severity:  Unassigned  |  Resolution:
 Keywords:              |
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Comment (by mdavis):

 Not sure what's going wrong in GEOS.  Possibly a robustness error causes
 some of the result components to be omitted (which is of course a bug).

 The good news is that the forthcoming OverlayNG handles this using
 snapping.  This is a good test case to add to the corpus.

-- 
Ticket URL: <https://trac.osgeo.org/geos/ticket/1046#comment:1>
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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