[GRASS-dev] [GRASS GIS] #2638: r.to.vect: ignore Null cells

[GRASS GIS]

#2638: r.to.vect: ignore Null cells
-------------------------+--------------------------------------------------
 Reporter:  awickert     |       Owner:  grass-dev@…              
     Type:  enhancement  |      Status:  new                      
 Priority:  normal       |   Milestone:  7.1.0                    
Component:  Default      |     Version:  svn-trunk                
 Keywords:  r.to.vect    |    Platform:  Unspecified              
      Cpu:  x86-64       |  
-------------------------+--------------------------------------------------
 When I have sparse raster files and want to turn them into vectors, it
 takes a long time because of the unnecessary conversion of all the NULL
 cells. It would be great (and possibly easy?) if there were a flag to tell
 GRASS to ignore all NULL cells.

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/2638>
GRASS GIS <http://grass.osgeo.org>