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hollow volume - Fractal Cloud wrapping a sphere

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I am new to Houdini, and have just finished the cmiVFX tutorial on Fractal Clouds. I would like to create a cloud layer which surrounds a small planet. Would anyone suggest ways of doing this? Basically I would like a hollow volume sphere, and the capability of using a volume vop with this sphere. Should I be doing this at the object level or within the volume vop? (Probably either are possible?)

It would be great if I could move the clouds around the sphere as well, so the hollow wasn't just a cut out of the rectangular space, but so the clouds can actually wrap around the sphere.

Any help or suggestions would be appreciated.

Thank you for your time.

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i think the first part of this tutorial can help you .

you can make an animated cloud surrounds a planet.

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Thanks for the reply.

I can make a spherical volume with a turbulent noise but I would like it to be a layer of clouds rather than a dense sphere of clouds. Is there a way I can provide a limit (some type of ramp maybe) to disallow volume from forming within a certain level of the sphere?

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