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

       Roman Waupotitsch, Michael Shapiro, Helena Mitasova, Bill Brown, Lubos Mitas, Jaro Hofierka

r3.null modifies the NULL values of a 3D raster map.

       raster3d, map management, null data, no-data, voxel

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

r.null

       Available at: r3.null source code (history)

       Accessed: Friday Apr 04 01:20:06 2025

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       © 2003-2025 GRASS Development Team, GRASS GIS 8.4.1 Reference Manual

GRASS 8.4.1                                                                                      r3.null(1grass)

r3.nullr3.null--helpr3.nullmap=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