[PostGIS] #5862: TopoGeo_add* silently corrupt topology: edge crosses edge, mixed face labeling in ring

PostGIS trac at osgeo.org
Thu Apr 24 09:23:51 PDT 2025


#5862: TopoGeo_add* silently corrupt topology: edge crosses edge, mixed face
labeling in ring
--------------------------------+---------------------------
  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  high               |  Milestone:  PostGIS 3.5.3
 Component:  topology           |    Version:  3.4.x
Resolution:                     |   Keywords:  robustness
--------------------------------+---------------------------
Comment (by Sandro Santilli <strk@…>):

 In [changeset:"4389e29a5c720a58fc109969c1268d75e887e750/git" 4389e29/git]:
 {{{#!CommitTicketReference repository="git"
 revision="4389e29a5c720a58fc109969c1268d75e887e750"
 Check motion range for edge-snapping with no collapses too

 Avoid silent topology corruptions.
 Includes tests.
 References #5862 in master branch
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5862#comment:19>
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