[geos-devel] Re: [GEOS] #380: Buffer(Geometry, 0) deletes part of the polygon

GEOS geos-trac at osgeo.org
Mon Oct 4 15:53:48 EDT 2010


#380: Buffer(Geometry,0) deletes part of the polygon
------------------------+---------------------------------------------------
 Reporter:  jaapdekker  |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  minor       |   Milestone:                            
Component:  Default     |     Version:  3.2.0                     
 Severity:  Unassigned  |    Keywords:                            
------------------------+---------------------------------------------------

Comment(by strk):

 ST_MakeValid gives:

   GEOMETRYCOLLECTION(MULTIPOLYGON(((-66 58,-66 59,-64 58,-65 58,-66
 58)),((-66 58,-66 57,-68 57,-68 58,-66 58)),((-70 58,-70 57,-72 57,-72
 59,-71 59,-71 58,-70 58))),LINESTRING(-70 57,-68 57))

 How do you like it ?

-- 
Ticket URL: <http://trac.osgeo.org/geos/ticket/380#comment:3>
GEOS <http://geos.refractions.net/>
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).


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