r.surf.random(1grass) | Grass User's Manual | r.surf.random(1grass) |
r.surf.random - Produces a raster surface map of uniform random deviates with defined range.
raster, surface, random
r.surf.random
r.surf.random --help
r.surf.random [-i] output=name
[min=integer] [max=integer] [--overwrite]
[--help] [--verbose] [--quiet] [--ui]
r.surf.random produces a raster map layer of uniform random deviates whose range can be expressed by the user. It is essentially 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
g.region -p n=228500 s=215000 w=630000 e=645000 res=10 r.surf.random out=random min=0 max=100 # check result r.univar random
r.random.surface, r.surf.contour, r.surf.fractal, r.surf.gauss, r.surf.idw, v.surf.rst
Jo Wood
Midlands Regional Research Laboratory (ASSIST)
University of Leicester
October 1991
Last changed: $Date: 2018-10-18 21:05:15 +0200 (Thu, 18 Oct 2018) $
Available at: r.surf.random source code (history)
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