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im_fractsurf - creates a fractal surface
#include <vips/vips.h>
int im_fractsurf(in, frdim, size)
IMAGE *in;
double frdim;
int size;
im_fractsurf creates a fracta surface. The program
initially creates a gaussian noise image (im_gausnoise(3)
) of sizes size
x size. The image is then filtered (im_flt_image_freq(3)
) in order to force
the power spectrum to decay according to the desired fractal dimension
frdim. The result is a one band float image and should be scaled for display.
The function returns 0 on success and -1 on error.
im_flt_image_freq(3)
,
im_gausnoise(3)
N. Dessipris,
N. Dessipris - 06/07/1990
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