[geos-devel] [GEOS] #531: UnaryUnion of an line collapsed to a point returns EMPTY

[GEOS]

#531: UnaryUnion of an line collapsed to a point returns EMPTY
------------------------+---------------------------------------------------
 Reporter:  strk        |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  major       |   Milestone:  3.3.4                     
Component:  Default     |     Version:  3.3.3                     
 Severity:  Unassigned  |    Keywords:                            
------------------------+---------------------------------------------------
 If you pass a collapsed line to UnaryUnion it becomes EMPTY.
 I would expect it to become a point instead.

 Example input: MULTILINESTRING((0 1,0 1,0 1,0 1))

-- 
Ticket URL: <http://trac.osgeo.org/geos/ticket/531>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).