[postgis-devel] [PostGIS] #1767: Another bogus result from ST_Snap

PostGIS trac at osgeo.org
Wed Apr 11 02:52:30 PDT 2012


#1767: Another bogus result from ST_Snap
---------------------+------------------------------------------------------
 Reporter:  strk     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.0.1
Component:  postgis  |     Version:  2.0.x        
 Keywords:           |  
---------------------+------------------------------------------------------
 {{{
 A: LINESTRING(765795.1 2949559.2,765795.2 2949559.2,765794.9
 2949559.5,765795.1 2949559.2)
 B: LINESTRING(765795.1 2949559.2,765794.9 2949559.2,765795.2
 2949558.8,765795.1 2949559.2)
 tolerance: 0.25
 }}}

 Bottom-right vertex of line A gets snapped to top-left vertex of line B
 but the two points are at a distance of 0.3.

 See #1714 for the source of this

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1767>
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