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How to Isolate Particles (Fluid Technical Evening)


Sebastian

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I saw Jeff Lait's video "Houdini 9.5 Fluids Overview" on Fluids Technical Evening and i'm recreating a similar wave situation. But I don't understand how to isolate particles that collide on the rock (in the video it says: "isolate the particles which will be used for the hero splash, in this case,based on $VY>=5 and a white color passed from the rock") to build the hero splash. Can you help me, please? Do you have some example?

Thank you very much in advance!

Bye,

Mirco

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