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FLIPS - Volume and Particles on Source? Why both?


cwalrus

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Hi people -

This has baffled me - why does the Source Volume node in a basic Flip network have Volume Operation tab and a Particle Operation tab? Couldn't it just source information from one or the other? 

Or maybe I'm reading them incorrectly - does "Source Particles" on the particle operation mean 'Create particles"? rather than source them from the particles on the source created by the Fluid Source node?

 

thanks for help,

Cameron

 

EDIT -

a quick test deleting the particles from the source node showed that it is indeed sourcing the particles themselves. SO a better question now is, what is it doing with the volume, in relation to the particles? On the tab it is set to "Volume Operation: Source Volume: Minimum" but I can't find docs on those options, nor can i figure out what it's doing (seems to be adding bulk at least!)

 

Edited by cwalrus
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Ok so after a lot of testing, apparently it does NOT need the source volume created by the fluid source node. 

BUT I'd still love to know the difference between 

copy add clamp sub multiply divide maximum minimum average

Anyone have info on these? Closest I can find is here:

http://www.tokeru.com/cgwiki/index.php?title=Smoke_and_Pyro

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