NAME

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

KEYWORDS

       raster3d, null data, voxel

SYNOPSIS

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

   Flags:
       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:
       map=string [required]
           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

SOURCE CODE

       Available at: r3.null source code (history)

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.8.2 Reference Manual