[GRASS-dev] [GRASS GIS] #1998: Optional flag for v.select, v.overlay to return requested cats only

[GRASS GIS]

#1998: Optional flag for v.select, v.overlay to return requested cats only
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 Reporter:  nikosa                                         |       Owner:  grass-dev@…              
     Type:  enhancement                                    |      Status:  new                      
 Priority:  normal                                         |   Milestone:  7.0.0                    
Component:  Vector                                         |     Version:  unspecified              
 Keywords:  vector, categories, cats, v.select, v.overlay  |    Platform:  All                      
      Cpu:  Unspecified                                    |  
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 It might be useful to have the vector modules v.select, v.overlay return
 only the requested categories, i.e. do not actually run the requested
 query/operation, simply feed-back the cats.

 As an example, which categories of vector map A (areas) contain given
 points in map B?  This could be useful simply for reporting as well as for
 further vector processing tasks in modules which accept/require "cats" to
 operate.

 Maybe implement a flag "-p" as in "print" (since "-r" is bound already in
 v.select) or similar.

 See also post in the grass-user mailing list:
 http://lists.osgeo.org/pipermail/grass-user/2013-June/068321.html

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Ticket URL: <https://trac.osgeo.org/grass/ticket/1998>
GRASS GIS <http://grass.osgeo.org>