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Hello, I am rendering some primitive spheres driven by a particle system I am trying to create a rib file with particle $AGE included in the rib.

I've been trying to use the Attribute SOP to pass information out to a RIB.

I am have been successful in able to write out the particle id ($ID) and particle life ($LIFE)

information into a .rib file but no luck with the $AGE by reading this info


Any ideas on how I can go able writing out the $AGE of a particle into a rib.

Is this even possible?

Thank you

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As far as I know, if you have life attribute, you basically have $AGE, life is a float with a size of 2. first one is $AGE and second one is your particles' expected lifespan. $LIFE is nothing but life[1]/life[2].

So, if you have a life attribute in your point attributes, you have $AGE there.

Edited by ehsan parizi
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