r.surf.random (1grass)

raster, random

r.surf.random

r.surf.random help

r.surf.random [-i] output=name [min=integer] [max=integer] [--overwrite] [--verbose] [--quiet]

Flags:

-i

Create an integer raster map

--overwrite

Allow output files to overwrite existing files

--verbose

Verbose module output

--quiet

Quiet module output

Parameters:

output=name

Name for output raster map

min=integer

Minimum random value

Default: 0

max=integer

Maximum random value

Default: 100

r.surf.random produces a raster map layer of uniform random deviates whose range can be expressed by the user. It is essentialy the same as r.surf.gauss, but uses a linear random number generator instead. It uses the random number generator drand48() or rand(), depending on the user's platform.

Histogram of map generated with r.surf.random

r.surf.contour, r.surf.fractal, r.surf.gauss, r.surf.idw, r.surf.idw2, v.surf.rst

Jo Wood

Midlands Regional Research Laboratory (ASSIST)

University of Leicester

October 1991

Last changed: $Date: 2008-06-01 12:01:53 +0200 (Sun, 01 Jun 2008) $

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