Le 18-07-17 à 06:54, Kenneth a écrit :
> One idea would be to use POV-Ray's BOXED pattern-- with a pigment_map composed
> of *multiple* (averaged?) SPIRAL patterns inside it, each with some appropriate
> colors and warp{turbulence...}-- as a way to apply separate 'decals' to various
> places on the already-textured planet surface. (The 'outside' of the BOXED
> pattern(s) could fade to transparency, so as not to look like the storms are
> simply stuck on.) The idea is certainly not as 'realistic' as true fluid
> dynamics, but it might work.
> 

Instead of the boxed pattern, I'd use the shperical one. The, yes, use a 
spiral pattern, or a few averaged ones.
spiral 25 scale Something rotate Rotation


Alain

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