Markus Neteler
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13 年之前 | |
|---|---|---|
| .. | ||
| Makefile | 16 年之前 | |
| README | 17 年之前 | |
| frac.h | 16 年之前 | |
| main.c | 15 年之前 | |
| process.c | 15 年之前 | |
| r.surf.fractal.html | 13 年之前 | |
| spec_syn.c | 16 年之前 | |
| write_rast.c | 15 年之前 | |
README
r.surf.fractal
GRASS module to create a fractal surface of a given fractal dimension.
Uses spectral synthesis method. Can create intermediate layers showing
the build up of different spectral coefficients (see Saupe, pp.106-107
for an example of this).
Reference:
Saupe, D. (1988) Algorithms for random fractals, in Barnsley M.,
Devaney R., Mandelbrot B., Peitgen, H-O., Saupe D., and Voss R.
(1988) The Science of Fractal Images, Ch. 2, pp.71-136. London:
Springer-Verlag.
Jo Wood, 19th October, 1994
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Usage:
r.surf.fractal out=name [d=value] [n=value]
Parameters:
out Name of fractal surface raster layer
d Fractal dimension of surface (2 < D < 3)
default: 2.05
n Number of intermediate images to produce
default: 0
GRASS module to create a fractal surface of a given fractal dimension.
Uses spectral synthesis method. Can create intermediate layers showing
the build up of different spectral coefficients (see Saupe, pp.106-107
for an example of this).
Reference:
Saupe, D. (1988) Algorithms for random fractals, in Barnsley M.,
Devaney R., Mandelbrot B., Peitgen, H-O., Saupe D., and Voss R.
(1988) The Science of Fractal Images, Ch. 2, pp.71-136. London:
Springer-Verlag.
Jo Wood, 19th October, 1994
-------
Usage:
r.surf.fractal out=name [d=value] [n=value]
Parameters:
out Name of fractal surface raster layer
d Fractal dimension of surface (2 < D < 3)
default: 2.05
n Number of intermediate images to produce
default: 0