[postgis-devel] [PostGIS] #562: ST_DWithin gives wrong answer

PostGIS trac at osgeo.org
Tue Aug 10 12:34:45 PDT 2010


#562: ST_DWithin gives wrong answer
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 Reporter:  pramsey  |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  high     |   Milestone:  PostGIS 1.5.2
Component:  postgis  |     Version:  1.5.X        
 Keywords:           |  
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Comment(by pramsey):

 The problem is that the gbox for the polygon is being incorrectly
 calculated. It is not correctly recognizing that it contains the x-axis
 pole, which greatly underdetermines it. (Also the y-axis pole, to a lesser
 negative effect.)

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/562#comment:1>
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