[postgis-tickets] [PostGIS] #3046: topology.GetRingEdges return wrong ring when edge.next_left/right = edge

[PostGIS]

#3046: topology.GetRingEdges return wrong ring when edge.next_left/right = edge
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  Reporter:  remic     |       Owner:  strk  
      Type:  defect    |      Status:  closed
  Priority:  medium    |   Milestone:        
 Component:  topology  |     Version:  2.1.x 
Resolution:  invalid   |    Keywords:        
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Comment(by strk):

 Sign does not only change direction but also side. You walk forward on the
 left side, backward on the right side. This is by design.

 The only way to change direction would be to walk backward on the left
 side or forward on the right side.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/3046#comment:6>
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