[PostGIS] #5885: ST_Intersection with gridSize argument does not internally use ReducePrecision ?

PostGIS trac at osgeo.org
Thu Apr 24 03:45:11 PDT 2025


#5885: ST_Intersection with gridSize argument does not internally use
ReducePrecision ?
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  Reporter:  strk     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.1.13
 Component:  postgis  |    Version:  3.1.x
Resolution:           |   Keywords:
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Comment (by strk):

 It looks like the PostGIS side just calls GEOSIntersectionPrec without any
 previous call to GEOSGeom_setPrecision, this was likely a mistake in the
 original implementation. I think we should enforce such precision, and in
 the future make "precision" an information of the geometry objects
 themselves to speed things up.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5885#comment:2>
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