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r.surf.random.1grass

NAME

r.surf.random - Produces a raster map layer of uniform random deviates whose range can be expressed by the user.

KEYWORDS

raster

SYNOPSIS

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 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

DESCRIPTION

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

SEE ALSO

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

AUTHOR

Jo Wood
Midlands Regional Research Laboratory (ASSIST)
University of Leicester
October 1991

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

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