[postgis-devel] [PostGIS] #1271: ST_Line_Locate_Point inaccurate closest point

PostGIS trac at osgeo.org
Mon Nov 7 12:41:42 PST 2011


#1271: ST_Line_Locate_Point inaccurate closest point
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 Reporter:  strk     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.0.0
Component:  postgis  |     Version:  trunk        
 Keywords:           |  
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 After the robustness fix in r8107 there's a regress test failing in
 regress_lrs. The test shows that closest_point_on_segment and
 lw_dist2d_distancepoint disagree on what's the projection of a far-away
 point onto a single-segment line.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1271>
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