[postgis-devel] [PostGIS] #777: [topology] ValidateTopology complains about valid endpoint sharing of closed edges

PostGIS trac at osgeo.org
Sun Jan 16 13:16:40 PST 2011


#777: [topology] ValidateTopology complains about valid endpoint sharing of
closed edges
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 Reporter:  strk     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.0.0
Component:  postgis  |     Version:  1.5.X        
 Keywords:           |  
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 Two closed edges touching on the endpoint are considered "crossing" by
 topology.ValidateTopology (cause they are considered "crossing" by
 intersection matrix and thus ST_Crosses as well...).

 This is pretty much the same problem we had with AddEdge in #770

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/777>
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