I have made some space and planetary scenes. A spiral warp would be nice 
for galaxies and hurricanes.


Mike


On 7/13/2018 6:35 PM, Jörg "Yadgar" Bleimann wrote:
> Hi(gh)!
> 
> Following a thread on Jupiter images on p.o-t, I started to model some 
> basic gas giant textures based on this (non-POV-Ray) tutorial:
>
https://www.seedofandromeda.com/blogs/49-procedural-gas-giant-rendering-with-gpu-noise

> 
> with color suggestions gleaned from here: 
> http://visions2200.com/Articles/ExtrasolarSpeculations.html (the chapter 
> "Color, Albedo and Temperature), I made a "cold Jovian" gas giant as 
> attached below...
> 
> ...but how do I get realistic storm systems? The ones at "Seed of 
> Andromeda" do not look very convincing, they would have to drag in 
> clouds in a spiralling rather than a straight way (like with the 
> black_hole warp of POV-Ray). Is there some trick to achieve a "spiral 
> warp"?
> 
> See you in Khyberspace!
> 
> Yadgar

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