[postgis-tickets] [PostGIS] #3719: Error: Invalid number of points in LinearRing

PostGIS trac at osgeo.org
Fri Feb 23 04:22:46 PST 2018


#3719: Error: Invalid number of points in LinearRing
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  Reporter:  tiiipponen  |      Owner:  pramsey
      Type:  defect      |     Status:  new
  Priority:  medium      |  Milestone:  PostGIS Fund Me
 Component:  postgis     |    Version:  2.3.x
Resolution:              |   Keywords:
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Comment (by strk):

 Now that different tolerance types are supported, I want to report that
 the subject geometry will be turned invalid with a max-deviation stroking
 tolerance of 1e-2 units but not with max-deviation stroking tolerance of
 1e-3 units. This gives an indication of how close to "invalid" the input
 is in the first place (a movement of 0.04 units turns it to invalid, one
 of 0.03 units does not). I still think it makes sense to add a flag to
 ensure each arc (or maybe each arc-or-quadrant - to generalize it for the
 closed curve case) has at least 2 segments.

-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/3719#comment:10>
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