1r3.mask(1)                    Grass User's Manual                   r3.mask(1)
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NAME

6       r3.mask  - Establishes the current working 3D raster mask.
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KEYWORDS

9       raster3d, voxel
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SYNOPSIS

12       r3.mask
13       r3.mask help
14       r3.mask  map=string   [maskvalues=val[-val][,val[-val],...]]    [--ver‐
15       bose]  [--quiet]
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17   Parameters:
18       map=string
19           3d raster map with reference values
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21       maskvalues=val[-val][,val[-val],...]
22           List of cell values to be masked out
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DESCRIPTION

25       File map is used as reference file.  Cells in the mask  are  marked  as
26       "mask  out"  if  the  corresponding cell in map contains a value in the
27       range specified with maskvalues.
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29       Before a new 3d-mask can be created the exisitng mask has to be removed
30       with g.remove.
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32   Parameters:
33       maskvalues
34              Values specified to be masked out
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36       grid3d
37              Name of G3D-map that is used as the mask reference
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SEE ALSO

40       g.remove
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AUTHORS

43       Roman  Waupotitsch, Michael Shapiro, Helena Mitasova, Bill Brown, Lubos
44       Mitas, Jaro Hofierka
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46       Last changed: $Date: 2006-04-20 23:31:24 +0200 (Thu, 20 Apr 2006) $
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48       Full index
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50       © 2003-2008 GRASS Development Team
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54GRASS 6.3.0                                                         r3.mask(1)