[postgis-devel] [PostGIS] #1789: ST_CreateTopoGeo creates an invalid topology

PostGIS trac at osgeo.org
Thu Apr 26 10:40:21 PDT 2012

#1789: ST_CreateTopoGeo creates an invalid topology
 Reporter:  strk      |       Owner:  strk         
     Type:  defect    |      Status:  new          
 Priority:  medium    |   Milestone:  PostGIS 2.0.1
Component:  topology  |     Version:  2.0.x        
 Keywords:            |  

Comment(by strk):

 Here's the diagram of the resulting topology, with magnified adjacencies.

 In true dimensions edges 1 and 2 are almost cohincident, as are edges 3
 and 4.
 Nodes 1 and 2 are also very close as well as nodes 4 and 5 (making edge 5
 very short).


Ticket URL: <http://trac.osgeo.org/postgis/ticket/1789#comment:14>
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