[PostGIS] #5885: ST_Intersection with gridSize argument does not internally reduce precision

PostGIS trac at osgeo.org
Mon Apr 28 01:36:37 PDT 2025


#5885: ST_Intersection with gridSize argument does not internally reduce precision
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  Reporter:  strk           |      Owner:  strk
      Type:  defect         |     Status:  assigned
  Priority:  medium         |  Milestone:  PostGIS 3.1.13
 Component:  documentation  |    Version:  3.1.x
Resolution:                 |   Keywords:
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Comment (by strk):

 The [https://postgis.net/docs/ST_Intersection.html documentation]
 currently says:
 > If the optional gridSize argument is provided, the inputs are
 snapped to a grid of the given size, and the result vertices are computed
 on that same grid. (Requires GEOS-3.9.0 or higher)

 How would you word the above, Martin ? The inputs are clearly NOT snapped
 to any grid, right ?
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5885#comment:8>
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