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Export particles sim to PFX


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Hi all,

I've been trying and failing for two days to get the results of a particle sim into another package. The particle cache format is documented here:


The format is roughly:

Header Data
Particle Header Data
	Particle Position at Frame 1
	Particle Position at Frame 2
	Particle Position at Frame n

As you can see the format requires data for each particle to be in sequence, which is an issue, as at each frame I can iterate over the points, but I cannot possibly know how many frames each particle lives for at some random frame.

Does anyone have any ideas on how to do this? I've tried using a shuffle CHOP to rearrange the data, but it's just too slow to be useful. 

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