One question that will likely come up in the FLOSS interview on 
Wednesday is how POV-Ray renders clouds. I have an answer from when I 
used to write cloud textures years ago - procedural textures with shades 
of gray and transparency and a gradient sphere.

Is there a better more modern way to create spectacular clouds?  Many of 
the clouds I'm seeing seem to go beyond the simple texturing technique I 
used to use.

Thanks
David Buck

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