[postgis-tickets] [PostGIS] #4727: polygon and point intersection calculated wrong for huge polygon

PostGIS trac at osgeo.org
Thu Nov 5 15:07:35 PST 2020


#4727: polygon and point intersection calculated wrong for huge polygon
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  Reporter:  prytvinsky  |      Owner:  pramsey
      Type:  defect      |     Status:  closed
  Priority:  medium      |  Milestone:  PostGIS 3.1.0
 Component:  postgis     |    Version:  3.0.x
Resolution:  fixed       |   Keywords:
-------------------------+---------------------------

Comment (by pramsey):

 So, this big polygon winds around POINT(-90, 0) which in geocentric terms
 is the -Y pole. And it turns out, I had made mistake in the logic for that
 case! Whoops! Fortunately not many things wind around that pole, but for
 those that do... problems would ensue.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4727#comment:3>
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