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r.surf.gauss(1) GRASS GIS User's Manual r.surf.gauss(1)

r.surf.gauss - Generates a raster map using gaussian random number generator.
Mean and standard deviation of gaussian deviates can be expressed by the user.

raster, surface, random

r.surf.gauss
r.surf.gauss --help
r.surf.gauss output=name [mean=float] [sigma=float] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

--overwrite

Allow output files to overwrite existing files
--help

Print usage summary
--verbose

Verbose module output
--quiet

Quiet module output
--ui

Force launching GUI dialog

output=name [required]

Name for output raster map
mean=float

Distribution mean
Default: 0.0
sigma=float

Standard deviation
Default: 1.0

r.surf.gauss produces a raster map of Gaussian deviates whose mean and standard deviation can be expressed by the user. It uses a Gaussian random number generator. It is essentially the same as r.surf.random, but uses a Gaussian random number generator instead.


g.region -p n=228500 s=215000 w=630000 e=645000 res=10
r.surf.gauss out=gauss mean=0 sigma=10
# check result
r.univar gauss


Figure: Random Gaussian surface example (mean: 0; sigma: 10)

With the histogram tool the cell values versus count can be shown.

Figure: Histogram of random Gaussian surface example (mean: 0; sigma: 10)

r.surf.contour, r.surf.fractal, r.surf.idw, r.surf.random, v.surf.rst

Jo Wood, ASSIST’s home

Available at: r.surf.gauss source code (history)

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© 2003-2021 GRASS Development Team, GRASS GIS 7.8.6 Reference Manual

GRASS 7.8.6

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