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simulate vdb

7 REPLIES 7
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Message 1 of 8
mikeporetti
628 Views, 7 Replies

simulate vdb

i wish to import the disney cloud and simulate a sphere moving through it.   is this possible?

 

Mike

7 REPLIES 7
Message 2 of 8
mspeer
in reply to: mikeporetti

Hi!

 

I have not tested this, but as Bifrost can import .vdb and the cloud is provided as .vdb it should work.

Message 3 of 8

You can move a Sphere throu the volume but the Cloud wont interact with it.

You need to simulate your own cloud. The Disney cloud is just a static VDB.

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https://linktr.ee/cg_oglu
Message 4 of 8

that kinda sucks

Message 5 of 8
mjcg91
in reply to: mikeporetti

I remember Bruce made a video showasing an aero simulation starting from a cached state. Of course it was an aero volume with all the needed properties embeded, but i feel like it might be possible to hack this. At least it's worth trying. 

Maxime Jeanmougin - Technical Artist
https://maximejeanmougin.com

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Message 6 of 8
mikeporetti
in reply to: mjcg91

hey sorry who is bruce?

 

Do you have a link?

 

Mike

Message 7 of 8
mjcg91
in reply to: mikeporetti

Bruce Lee is a Bifrost user. I found the link for you: 
https://forums.autodesk.com/t5/bifrost-forum/practical-tutorial-bifrost-aero-continues-to-solve-from...

Maxime Jeanmougin - Technical Artist
https://maximejeanmougin.com

Join the Bifrost Addicts community on Discord:
https://discord.gg/bifrost-addicts
Message 8 of 8

You should be able to load and use the Disney cloud VDB as an Aero source just fine. I.e. use read_OpenVDB to read in the Disney cloud, then just plug it into the Aero source.

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