Hurricane on Saturn

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This is in answer to a question on the mailing list asking how to achieve this kind of effect, see image attached.

I've made an quick test but I recommend for doing the real shot to have two sets of volumes because in the image we see two distinct level of density. Or one could make sure there is a nice contrasted level of density.

Also you could have a ramp that controls the variation based on the radius. This way you could decide where a ring becomes very dense.

I key to keep details even when the whole spiral has spun quite a lot is to add those small vorticle spin themselfves also deformed by the main spiral.

Let me know if you need more info/documentation in the hip file.

Francois

Attachments:
saturnHurricane_v01.hip (205.5 KB)
saturnHuricane_v01.mp4 (1.1 MB)
saturn.jpg (82.3 KB)

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Looking good!
Also, as I had some volume twist deformers setup from the mailing list post, ill attach them here.
These are great for localised animation effects, and of course you can layer them up how ever you like

Attachments:
volume_twist.hipnc (308.3 KB)

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Nice work gents …..Jupiter Ascending anyone ?

Rob
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circusmonkey
Jupiter Ascending

:wink:
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looks cool Francois, though I don't have the vorticle hdas included in your file. How might one recreate it without those?
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The reason why the asset was not included was because it was for sale on Orbolt but oh well, I decided to give it. I think I sold only one in two years.

I usually make one hda per otl to better manage the versioning but since these tools are all meant to be used together it's all in the same otl.

So here it is

Francois

Attachments:
tx_vorticle.v06.otl (208.8 KB)

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Wow! thanks for your generosity.
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