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ksj

Manage Particle Alpha with Scale Source Volume.

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Hi,

 

Thank you for this forum.I need a little help from you guys.I am advecting particles by volume of smoke.I animated the scale source volume in the source density to detach smoke from the source and disperse the remaining one.Kind of a gradual fade out effect.How can I have particles disappear the same way?Currently they keep going.Any way to map the data of scalar volume to say alpha of the particles?

 

Or is there any other way?

 

Thank you.

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Also tried changing activation in the source, gives the same effect.But is there anyway to have my particles disappear the same way as smoke does?

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You could transfer the density volume value to particle alpha - either post sim with an Attrib Transfer SOP, or within DOPs with a Gas Field to Particle DOP.

Pop Attrib from Volume DOP sounds goodto , but I've never used it :)

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