.TH topic_null_data 1grass "" "GRASS 7.8.5" "GRASS GIS User's Manual"
.SH Topic: null data
.TS
expand;
lw60 lw1 lw60.
T{
r.null
T}	 	T{
Manages NULL\-values of given raster map.
T}
.sp 1
T{
r3.null
T}	 	T{
Explicitly create the 3D NULL\-value bitmap file.
T}
.sp 1
.TE
.PP
\fISee also the corresponding keyword null data for additional references.\fR
.PP
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.PP
© 2003\-2020
GRASS Development Team,
GRASS GIS 7.8.5 Reference Manual