1r.surf.gauss(1) GRASS GIS User's Manual r.surf.gauss(1)
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6 r.surf.gauss - Generates a raster map using gaussian random number
7 generator.
8 Mean and standard deviation of gaussian deviates can be expressed by
9 the user.
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12 raster, surface, random
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15 r.surf.gauss
16 r.surf.gauss --help
17 r.surf.gauss output=name [mean=float] [sigma=float] [--overwrite]
18 [--help] [--verbose] [--quiet] [--ui]
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20 Flags:
21 --overwrite
22 Allow output files to overwrite existing files
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24 --help
25 Print usage summary
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27 --verbose
28 Verbose module output
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30 --quiet
31 Quiet module output
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33 --ui
34 Force launching GUI dialog
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36 Parameters:
37 output=name [required]
38 Name for output raster map
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40 mean=float
41 Distribution mean
42 Default: 0.0
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44 sigma=float
45 Standard deviation
46 Default: 1.0
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49 r.surf.gauss produces a raster map of Gaussian deviates whose mean and
50 standard deviation can be expressed by the user. It uses a Gaussian
51 random number generator. It is essentially the same as r.surf.random,
52 but uses a Gaussian random number generator instead.
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55 g.region -p n=228500 s=215000 w=630000 e=645000 res=10
56 r.surf.gauss out=gauss mean=0 sigma=10
57 # check result
58 r.univar gauss
59 Figure: Random Gaussian surface example (mean: 0; sigma: 10)
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61 With the histogram tool the cell values versus count can be shown.
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63 Figure: Histogram of random Gaussian surface example (mean: 0; sigma:
64 10)
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67 r.surf.contour, r.surf.fractal, r.surf.idw, r.surf.random, v.surf.rst
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70 Jo Wood, ASSIST’s home
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73 Available at: r.surf.gauss source code (history)
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75 Accessed: Saturday Jan 21 20:39:06 2023
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77 Main index | Raster index | Topics index | Keywords index | Graphical
78 index | Full index
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80 © 2003-2023 GRASS Development Team, GRASS GIS 8.2.1 Reference Manual
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84GRASS 8.2.1 r.surf.gauss(1)