[PostGIS] #5722: Spatial exception - geometry boundary touches interior of edge 4 (XX000)

[PostGIS]

#5722: Spatial exception - geometry boundary touches interior of edge 4 (XX000)
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  Reporter:  strk      |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.5.0
 Component:  topology  |    Version:  master
Resolution:            |   Keywords:
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Comment (by strk):

 Work continues in https://git.osgeo.org/gitea/postgis/postgis/pulls/202

 What we would need here is a way to tell how much the GEOS input lines
 were moved to snap to detected intersection points. I don't think such
 information is currently available even at the C++ level.

 Alternatively we should compute intersection points on the PostGIS side,
 analyzing segment by segment and snapping each in turn if needed.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5722#comment:5>
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