[Sidefx-houdini-list] hurricane on Saturn

Jordan Walsh jordan.h.walsh at gmail.com
Tue Nov 24 09:19:49 EST 2015


I have attached a setup with a null driving the twist volume deformer. Of
course you can add more features like a ramp for better falloff control,
etc.

Jordan

On Tue, Nov 24, 2015 at 1:58 PM, Jordan Walsh <jordan.h.walsh at gmail.com>
wrote:

> I have done this type of thing before (Eye of Jupiter) and the best way to
> go is to model the clouds with polygons and then use the cloud noise tool.
> Once you have the base you can add some deformers like a twist using volume
> vops. Layer up a whole pile of them to get the small twirls and then the
> big twirls. Theses should all be animatable so you get your motion from
> them. You have to get a bit into using matrix rotations with distance
> falloffs, but once you get the hang of it, its easy.
> We used a system where we could paint our velocity directions onto a mesh
> then use that to drive the motion of the volume for slow flowing volumes.
> These techniques may not work if you need more of a faster evolving volume.
>
> Jordan
>
> On Tue, Nov 24, 2015 at 11:34 AM, Gerbrand Nel <g at cannonballbunny.com>
> wrote:
>
>> Hey guys
>> I'm working on a personal project, and part of it involves a close up
>> shot of the north-pole of Saturn.
>> Look here:)
>>
>> http://www.universetoday.com/98667/incredible-raw-image-of-saturns-swirling-north-pole/
>> It needs to move allot faster than real life, almost a full rotation per
>> min.
>>
>> How would you guys approach this?
>> Any links to info or tutorials on this kind of stuff would be super
>> helpful.
>> Thanks
>> Gerbrand
>>
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>
>


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