Frequency-Filtered Random Noise
This Demonstration shows plots of random noise filtered with Fourier transforms on a ball for points with a parameter . The resulting function can be considered as a 3D texture. You can choose different 3D visualization functions.
Code was based on the contents of .
 P. Nylander. "Fractals." (Sep 7, 2016) bugman123.com/Fractals/index.html.