Any super-simple way to texture a sphere?

[Alejandro Tejada]

This is a very useful collection of image processing source code!
http://www.csse.uwa.edu.au/~pk/research/matlabfns/

For example:
http://www.csse.uwa.edu.au/~pk/research/matlabfns/Misc/noiseonf.m

noiseonf.m 
generates noise images with specified amplitude spectra. 
One can create pleasing cloud pattern images this way.

This is very similar to the image filter employed in this tutorial:
http://www.youtube.com/watch?v=aEs9BPYA9Ks

Perlin noise and Simplex noise could works fine, too.

This is a javascript implementation:
https://gist.github.com/banksean/304522

http://en.wikipedia.org/wiki/Perlin_noise
http://en.wikipedia.org/wiki/Simplex_noise

Al




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