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

NAME

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

KEYWORDS

raster3d, voxel

SYNOPSIS

r3.null
 
r3.null help
 
r3.null map=string [setnull=val[-val][,val[-val],...]] [ null=float] [-- verbose] [--quiet]

Parameters:

map=string
 
3d raster map for which to modify null values
setnull=val[-val][,val[-val],...]
 
List of cell values to be set to NULL
null=float
 
The value to replace the null value by

DESCRIPTION

Modifies the NULL values of a 3D raster map.

SEE ALSO

r.null

AUTHORS

Roman Waupotitsch, Michael Shapiro, Helena Mitasova, Bill Brown, Lubos Mitas, Jaro Hofierka
Last changed: $Date: 2011-09-13 22:13:36 +0200 (Tue, 13 Sep 2011) $
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GRASS 6.4.4