## NAME

r3.mask - Establishes the current working 3D raster mask.

## KEYWORDS

raster3d, mask, null data, no-data, voxel

## SYNOPSIS

r3.mask
r3.mask --help
r3.mask map=string [maskvalues=val[-val][,val[-val],...]] [--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 with reference values
maskvalues=val[-val][,val[-val],...]
  List of cell values to be masked out

## DESCRIPTION

File map is used as reference file. Cells in the mask are marked as "mask out" if the corresponding cell in map contains a value in the range specified with maskvalues.

Before a new 3D-mask can be created the existing mask has to be removed with g.remove.

## SEE ALSO

g.remove

## AUTHORS

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

## SOURCE CODE

Available at: r3.mask source code (history)

Accessed: Monday Apr 01 03:08:27 2024

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