Some simple fractal mountains These images were created using a simple J script to implement successive random additions and then format the results suitable for rendering via PovRay.

Hurst exponent 0.2	Hurst exponent 0.4	Hurst exponent 0.55
Hurst exponent 0.65	Hurst exponent 0.8	An animation of the Hurst exponent as 0 ≤ H ≤ 1 (2.5M)

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Scripts & links:
Script for creating the povray files fm.ijs
Requires the J script povkit+.ijs
For PovRay see http://www.povray.org.