particles from a point attribute

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Hello guys,

I was just wondering if anyone knew how to emit particles based on a point attribute?
This was just something that I've encountered and couldnt quite work out how to do.

Thanks for any help!
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Here is a simple example (commented)
I am grouping my pt containing the attribute and then in the source you use this group.
Actually I dont know why there is not a option to source from Pt attributes.

Attachments:
popFromPtAttr.hip (46.6 KB)

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Thanks a lot for the quick reply!

That does actually perfectly answermy question, but maybe i should have been a bit more clear. What i'm really trying to achieve is to use a point attribute as the birth probability for the particles. The attribute I am using has a gradient on it and I need this to reflect the nu,mber of particles being birthed. Also, I am using a set of points as the emitter and cannot give them a primitive attribute.

Thanks again!
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Look at the Birth Probability parameter at the source POP. You can write there your attribute.
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