[PostGIS] #6064: Silent topology corruption with topology.ST_AddEdgeModFace

PostGIS trac at osgeo.org
Wed Apr 15 00:36:59 PDT 2026


#6064: Silent topology corruption with topology.ST_AddEdgeModFace
-----------------------+------------------------
  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  closed
  Priority:  medium    |  Milestone:
 Component:  topology  |    Version:  master
Resolution:  fixed     |   Keywords:  robustness
-----------------------+------------------------
Changes (by Sandro Santilli <strk@…>):

 * resolution:   => fixed
 * status:  reopened => closed

Comment:

 In [changeset:"00440ad2900ced28817d18e4908a13bff455588a/git" 00440ad/git]:
 {{{#!CommitTicketReference repository="git"
 revision="00440ad2900ced28817d18e4908a13bff455588a"
 Skip dangling edges while computing ring orientation in liblwgeom-topo

 Improves CCW determination robustness, passing tests on all CI platforms
 Closes #6067, #6064
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6064#comment:13>
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