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 13:13:36 -0700 (Tue, 13 Sep 2011) $

       Full index

       © 2003-2013 GRASS Development Team

GRASS 6.4.3                                                                                      r3.null(1grass)