[geos-devel] [GEOS] #974: Union of Polylines results in additional segments

GEOS geos-trac at osgeo.org
Tue Jul 9 08:48:50 PDT 2019

#974: Union of Polylines results in additional segments
 Reporter:  jerryfaust        |       Owner:  geos-devel@…
     Type:  defect            |      Status:  new
 Priority:  minor             |   Milestone:
Component:  Default           |     Version:  3.4.2
 Severity:  Unassigned        |  Resolution:

Comment (by mdavis):

 this seems like a straightforward case for unioning lines, so it's very
 unlikely the problem is in GEOS.  It's more likely to be caused by how
 GEOS is called.  This has the appearance of a situation where the client
 code is providing the lines as a single list of coordinates, rather than a
 set of individual linestrings.

 If possible please post a code snippet or even better a self-contained
 unit test showing the behaviour.

Ticket URL: <https://trac.osgeo.org/geos/ticket/974#comment:2>
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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