[postgis-tickets] [PostGIS] #4336: ST_LineToCurve generates wrong Arcs for Epsilon 1E-1 (+ potential fix)

PostGIS trac at osgeo.org
Mon Mar 25 12:08:39 PDT 2019


#4336: ST_LineToCurve generates wrong Arcs for Epsilon  1E-1 (+ potential fix)
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  Reporter:  tvijlbrief  |      Owner:  pramsey
      Type:  defect      |     Status:  new
  Priority:  medium      |  Milestone:  PostGIS 2.5.3
 Component:  postgis     |    Version:  2.4.x
Resolution:              |   Keywords:
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Comment (by pramsey):

 I feel like your fix is not necessarily right, but neither is it
 necessarily correct. I see at least two other failure modes in it. I'd be
 much helped by having the actual input data that cause the incorrect
 output arcs, so I can check my own approaches to the fix rather than
 blindly applying something.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4336#comment:3>
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