[postgis-tickets] [PostGIS] #3056: Confusing results from ST_3DDistance

[PostGIS]

#3056: Confusing results from ST_3DDistance
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 Reporter:  strk     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.1.6
Component:  postgis  |     Version:  2.1.x        
 Keywords:           |  
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Comment(by pramsey):

 OK, so *both* the arguments must have Z to get a 3D distance, otherwise a
 2D distance is returned

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/3056#comment:3>
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