Assigning mass to particle via a map

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Old 12 December 2012   #1
Assigning mass to particle via a map

Not sure how to approach this one. Id like to assign a particle mass based on a map. Here is what im shooting for. http://www.youtube.com/watch?v=pP-C_B8nSmw

Not bad for after effects but of course its 2d and the attraction is a set radius. Im thinking we can do better in pflow.

Thanks

-Michael
 
Old 12 December 2012   #2
I think you could easily assign the mass to particles with a Box#3 - Point Color 3d function based on a greyscale map, you can grab the length and it should be a nice normalized value.

I think the problem is getting a localized gravity behaviour based on one of the particles in the most dense region of the cluster. That well... I have no idea how to go about.
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Old 12 December 2012   #3
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