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

[GEOS]

#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):

 in the 1.2.1 successively version of specs

 >OpenGIS® Implementation Standard for Geographic
 >information - Simple feature access - Part 2: SQL option
 >2010-08-04

 Seem it was corrected.

 Infact at page 105 they wrote:

 >Polygon rotation is not defined by this standard; actual polygon rotation
 may be in a
 >clockwise or counter-clockwise direction

 AFAIK this is for internal or external ring.

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Ticket URL: <http://trac.osgeo.org/geos/ticket/665#comment:4>
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