[postgis-devel] [PostGIS] #852: The use of tolerance in function point_in_ring is not robust.

PostGIS trac at osgeo.org
Wed Jan 18 14:40:00 PST 2012


#852: The use of tolerance in function point_in_ring is not robust.
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 Reporter:  nicklas  |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  blocker  |   Milestone:  PostGIS 2.0.0
Component:  postgis  |     Version:  1.5.X        
 Keywords:           |  
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Comment(by nicklas):

 By removing, do you mean removing all the _rtree stuff as chodgson
 suggests in #846? He states that the point in poly test for _st_intersects
 is necessary to save for non cached geometries. If so, the problem will
 not go away, if I remember right. I have not looked at the code now.

 But I guess geos could take care of non cached cases too, then we maybe
 can just get rid of the whole problem. And closing #846 as a bonus :-)

 But is it only _ST_Intersects that is using those functions? I should take
 a look in doxygen, but not now, sorry.

-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/852#comment:4>
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