[GRASS-dev] Re: [GRASS GIS] #1276: r.null in winGRASS does not work properly

GRASS GIS trac at osgeo.org
Thu Jan 19 16:35:46 EST 2012

#1276: r.null in winGRASS does not work properly
 Reporter:  helena            |       Owner:  grass-dev@…              
     Type:  defect            |      Status:  new                      
 Priority:  critical          |   Milestone:  6.4.2                    
Component:  Raster            |     Version:  6.4.1 RCs                
 Keywords:  r.null, wingrass  |    Platform:  MSWindows 7              
      Cpu:  Unspecified       |  

Comment(by glynn):

 Replying to [comment:7 hamish]:

 > when testing this (in XP, where it fails too), to reset the map-to-
 be-r.null'd  I had been rerunning with the overwrite flag:
 v.to.rast streets_wake out=streets_speed use=attr col=SPEED --o
 > it happened that I got an error that it could not move the created map
 from .tmp/ into the main mapset dir, presumably because some part of it
 was still an open file.

 That may be a separate issue. Vector commands often access a database for
 attributes, which means spawning a DBMI driver. There have been problems
 on Windows which might have been caused by the DBMI driver inheriting a
 descriptor from the parent, keeping the file open.

 That isn't applicable to r.null, which doesn't spawn any child processes.

Ticket URL: <https://trac.osgeo.org/grass/ticket/1276#comment:9>
GRASS GIS <http://grass.osgeo.org>

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