[PostGIS] #5751: Problem with ST_Intersection

[PostGIS]

#5751: Problem with ST_Intersection
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  Reporter:  ezimanyi  |      Owner:  pramsey
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.4.3
 Component:  postgis   |    Version:  3.4.x
Resolution:            |   Keywords:
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Comment (by robe):

 Replying to [comment:3 mdavis]:
 > This is a design choice made in the JTS/GEOS intersection algorithm,
 about how to handle invalid degenerate lines.
 >
 > The overlay algorithm is designed to never provide invalid output.
 Rightly or wrongly, zero-length lines are considered to be invalid. But
 perhaps it would be better to treat them as valid (or mostly valid - i.e.
 only if they occur in the input.)
 >
 > I'm not sure how hard it would be to provide this semantic.


 I would say probably not worth changing.

 @ezimanyi is this issue inconveniencing you a lot?
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5751#comment:4>
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