[postgis-tickets] [PostGIS] #5105: False topology invalidity returned in presence of dangling edgerings

PostGIS trac at osgeo.org
Sun Feb 27 14:18:47 PST 2022


#5105: False topology invalidity returned in presence of dangling edgerings
-----------------------+---------------------------
  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.3.0
 Component:  topology  |    Version:  master
Resolution:            |   Keywords:  reliability
-----------------------+---------------------------

Comment (by strk):

 Next thing to do with this ticket: create a testcase to reproduce the
 error, which implies finding an open LINESTRING that when merged with its
 own reverse and turned into a Polygon makes ST_IsPolygonCCW return true...

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5105#comment:7>
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