i was thinking it would be cool if there were a "spin" and a "wind"
pattern or warp in povray.  what you would do is use it in a layered
texture.  all other layers would define the patterns and colors, and
then the wind and spin would streak it in a certain direction.  wind
would be linear and spin would be axial.  any programmers out there
reading this?

Bob Hughes wrote:
> 
> "Andrea Ryan" <ary### [at] global2000net> wrote in message
> news:396C72C4.44097E4E@global2000.net...
> | Could spots that look like Jupiter's Great Red Spot be made?
> 
> Yes, in a way, using the 'black_hole' warp in the pigment.  Problem is you
> need a color for it already present in the gradient color map, and it's just
> not easy to work with in my experience anyway.  A layered texture could do
> fairly well but then you don't get the good transition from lines to spot you
> could get with the warp.
> 
> Bob

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