[postgis-devel] [PostGIS] #1650: Invalid edge (no two distinct vertices exist)

[PostGIS]

#1650: Invalid edge (no two distinct vertices exist)
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  Reporter:  lrssvt    |       Owner:  strk         
      Type:  defect    |      Status:  closed       
  Priority:  medium    |   Milestone:  PostGIS 2.0.0
 Component:  topology  |     Version:  2.0.x        
Resolution:  fixed     |    Keywords:               
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Comment(by strk):

 The vertical line is shorter than 2 units, which is the tolerance you are
 using. It collapses to a single point, which is added as expected (Add a
 single node to the topology, return an EMPTY TopoGeometry).

 Then the horizontal line is added. I've to admit in this case the
 horizontal line should be snapped to the node... not sure why it isn't.
 Worth another ticket !

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/1650#comment:12>
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