[postgis-devel] [PostGIS] #2034: ST_3DClosestPoint with mixed dimensionality in input values

[PostGIS]

#2034: ST_3DClosestPoint with mixed dimensionality in input values
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 Reporter:  nicklas      |       Owner:  nicklas      
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.1.0
Component:  postgis      |     Version:  trunk        
 Keywords:               |  
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Comment(by strk):

 Also, another concern I have is with the 2d/2d input. Current function
 returns 3d in any case (with Z set to zero) but I'm sure the user would
 want 2d in that case.

 I think having the first argument drive output makes the most sense:
  - 3d/3d -> 3d
  - 3d/2d -> 3d
  - 2d/3d -> 2d
  - 2d/2d -> 2d

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2034#comment:5>
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