r3.null(1grass)
| r3.null(1grass) | GRASS GIS User's Manual | r3.null(1grass) |
NAME
r3.null - Explicitly create the 3D NULL-value bitmap file.
KEYWORDS
raster3d, map management, null data, no-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
r3.null modifies the NULL values of a 3D raster map.
SEE ALSO
AUTHORS
Roman Waupotitsch, Michael Shapiro, Helena Mitasova, Bill Brown, Lubos Mitas, Jaro Hofierka
SOURCE CODE
Available at: r3.null source code (history)
Accessed: Monday Jun 01 16:56:43 2026
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© 2003-2025 GRASS Development Team, GRASS GIS 8.4.2 Reference Manual
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