[postgis-devel] [PostGIS] #557: ST_Within fails at walls (upright polygons)

PostGIS trac at osgeo.org
Wed Feb 9 03:34:41 PST 2011


#557: ST_Within fails at walls (upright polygons)
----------------------+-----------------------------------------------------
  Reporter:  weitzig  |       Owner:  pramsey              
      Type:  defect   |      Status:  closed               
  Priority:  medium   |   Milestone:  PostGIS 1.4.3        
 Component:  postgis  |     Version:  1.4.X                
Resolution:  invalid  |    Keywords:  Within, ST_Within, 3D
----------------------+-----------------------------------------------------
Changes (by weitzig):

  * status:  new => closed
  * resolution:  => invalid


Comment:

 The behaviour is as defined by OGC. See
 http://lin-ear-th-inking.blogspot.com/2007/06/subtleties-of-ogc-covers-
 spatial.html
 For a workaround, use a combination of 'ST_CoveredBy' and 'not touches'

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/557#comment:1>
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