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

6       r3.null  - Explicitly create the 3D NULL-value bitmap file.
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KEYWORDS

9       raster3d, voxel
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SYNOPSIS

12       r3.null
13       r3.null help
14       r3.null  map=string  [setnull=val[-val][,val[-val],...]]   [null=float]
15       [--verbose]  [--quiet]
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17   Parameters:
18       map=string
19           3d raster map for which to modify null values
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21       setnull=val[-val][,val[-val],...]
22           List of cell values to be set to NULL
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24       null=float
25           The value to replace the null value by
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DESCRIPTION

28       Modifies the NULL values of map.
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SEE ALSO

31       r.null
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AUTHORS

34       Roman Waupotitsch, Michael Shapiro, Helena Mitasova, Bill Brown,  Lubos
35       Mitas, Jaro Hofierka
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37       Last changed: $Date: 2005-08-23 14:11:00 +0200 (Tue, 23 Aug 2005) $
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39       Full index
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41       © 2003-2008 GRASS Development Team
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45GRASS 6.3.0                                                         r3.null(1)