[postgis-devel] [PostGIS] #884: Unstable results with ST_Within, ST_Intersects
PostGIS
trac at osgeo.org
Fri Mar 25 15:03:36 PDT 2011
#884: Unstable results with ST_Within, ST_Intersects
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Reporter: strk | Owner: pramsey
Type: defect | Status: new
Priority: high | Milestone: PostGIS 1.5.3
Component: postgis | Version: 1.5.X
Keywords: |
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Comment(by nicklas):
Hallo
I don't see the attached dataset.
It seems to be very close in the code to #852, but I cannot see how that
would give this behavior.
But what I found in #852 is that the tolerance doesn't work on vertical
and horizontal boundary lines and that the tolerance is not a tolerance of
1e-12 map units as expected but depends on the length of the boundary
segment that it is checked against.
Regards
Nicklas
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Ticket URL: <http://trac.osgeo.org/postgis/ticket/884#comment:12>
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