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juncho

Dealing with fast pyro source. Is this a bad approach?

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I'm creating a white phosphorus shell explosion effect for my demo reel. Similar to what SideFX showed us in 18.5 sneak peek video.
One of the challenges I have is ..there are two pyro sources. One requires many substeps since it's moving fast ( the source itself) and other one does not.
 

So I tried this. I made two separate DOPs, one with many substeps (fast moving particles) and the other with no substep (source does not move fast)
Is this a bad approach in aspect of disk and computation efficiency? Should I combine them into one single DOP and use two pyro solvers? is there any better method dealing with this?

smoke_viz.thumb.png.4637155290302e2a1bfdd60d31647a86.png

 

Thank you in advance :) 

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One way to avoid substeps with fast moving sources is to create a trail and submit the trail, along with the lead, as the source. This can help fill in the gaps.

Edited by Atom
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12 hours ago, Atom said:

One way to avoid substeps with fast moving sources is to create a trail and submit the trail, along with the lead, as the source. This can help fill in the gaps.

Thanks for the reply. trail + velocity blur on volume rasterize mostly filled the gaps I had :) 

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