r3.null
NAME
r3.null - Modifies the NULL values of map.
(GRASS 3D Program)
SYNOPSIS
r3.null [setnull=val[-val][,val[-val],...]]
[null=double] grid3 = g3d-map
Parameters:
- setnull
- The cell values specified in the range are to be set to NULL values. A range can be
a single value (e.g., 2.5) or multiple values (e.g., 3.21-10.95).
- null
- Value that the existing NULL values in map are converted to. This applies
only to existing NULL values, and not to the NULLs created by the setnull argument.
- grid3
- Name of the G3D map for which to modify null values
SEE ALSO
r.null
AUTHORS
Roman Waupotitsch, Michael Shapiro,
Helena Mitasova, Bill Brown, Lubos Mitas,
Jaro Hofierka
Last changed: $Date: 2002/01/25 05:45:35 $