[geos-devel] [GEOS] #665: st_isvalid fails to detect invalid interior ring orientation

GEOS geos-trac at osgeo.org
Tue Sep 24 12:06:05 PDT 2013


#665: st_isvalid fails to detect invalid interior ring orientation
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 Reporter:  vmo         |       Owner:  geos-devel@…              
     Type:  defect      |      Status:  new                       
 Priority:  major       |   Milestone:  3.4.3                     
Component:  Default     |     Version:  3.3.3                     
 Severity:  Unassigned  |    Keywords:                            
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Comment(by aperi2007):

 AFAIK
 the clockwise vs not-clockwise orientation is not a OGC-SF velidity
 constraint.
 AFAIK it is a specific constraint only for shapefile.

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Ticket URL: <http://trac.osgeo.org/geos/ticket/665#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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