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Simulation of long-term exposure light drawing effect?

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Caspar Stracke
Simulation of long-term exposure light drawing effect?
on Apr 23, 2012 at 1:59:28 pm

Dear high court of AFX magicians (who so brilliantly have guided me in tricky moments in the past years!)
I have another case where I am stuck, hopping somebody has a suggestion:

I need to create the equivalent of a long term exposure "light drawings.".
My subject is drawing with a flash light in my video and I would like to keep a nice solid line of what he was drawing. Tried layering an echoed image, but the light path doesn't add up to a solid line plus all other elements get too overexposed when choosing the appropriate layer behavior.
Any clue? Any plug-in suggestion or any other trick up your sleeves??

With deep appreciation for any hint, greateful as always,


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