[postgis-devel] [PostGIS] #1571: ST_ChangeEdgeGeom lets you break topology

[PostGIS]

#1571: ST_ChangeEdgeGeom lets you break topology
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 Reporter:  strk      |       Owner:  strk         
     Type:  defect    |      Status:  new          
 Priority:  medium    |   Milestone:  PostGIS 2.1.0
Component:  topology  |     Version:  trunk        
 Keywords:            |  
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Comment(by strk):

 r9224 should be handling all cases of dangling or isolated edges, but
 there are still bogus cases, like taking one edge of a ring and pulling to
 turn the ring inside-out. A function to compute edge-rings (not looking at
 metadata) would help there.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1571#comment:10>
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