[postgis-tickets] [PostGIS] #4944: Have ValidateTopology check side-labels of edges

PostGIS trac at osgeo.org
Wed Jul 7 05:10:25 PDT 2021


#4944: Have ValidateTopology check side-labels of edges
----------------------+---------------------------
 Reporter:  strk      |      Owner:  strk
     Type:  defect    |     Status:  new
 Priority:  medium    |  Milestone:  PostGIS 3.2.0
Component:  topology  |    Version:  main
 Keywords:            |
----------------------+---------------------------
 At this time ValidateTopology is NOT checking that the edges forming a
 ring (based on next_right_edge, next_left_edge) have consistent face
 labeling on the side they are walked though.

 Chances are such invalidities will be reported by edge coverage check, but
 the edge coverege check is pretty expensive and might be skipped if we
 checked for side-labeling validity instead.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4944>
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