> "Bruno Cabasson" <bru### [at] alcatelaleniaspacefr> wrote:
>> The same with a higher sun.
> 
> I know this is a very long time ago thread, but if it can be responded I want to
> know what is the pattern (density) of the cloud. I'm doing some effort in a
> program which need generate cloud shape. And this... I admire its pattern.(and
> with its cloud thickness)
> 

For single clouds, you can use the spherical pattern, scaled to the 
desired proportions, and add some turbulence.
For a group of clouds, you can use the bozo/bumps pattern and modulate 
it with a granite or agate pattern, also with a fair amount of turbulence.

You can use several wrap{turbulence...} at various scales to get the 
fine details. You can also increase the octaves and use larger omega 
parameter to get a similar effect.

For stratus clouds, a simple plane with some pattern can do the trick. 
Those are high altitude, thin clouds.

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