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Numerical Data from Video Info

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Alan SeawrightNumerical Data from Video Info
by on Dec 30, 2013 at 11:44:40 pm

Anybody know how to generate numerical data (like a slider or value of some kind) from video info?

What I'm trying to do is drive the brightness of a flare by the amount of white on a screen. I have a threshold that's giving me a nice b&w image, but I'd like to turn that image into information that I can link a brightness slider to.

That way, my flare will get brighter as the on-screen image does, procedurally, no need to keyframe.


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Mark SpencerRe: Numerical Data from Video Info
by on Dec 31, 2013 at 12:02:24 am

Now I better understand your question. I don't believe there's any way to do that.

--
Mark Spencer
Freelance Producer/Editor/Motion Graphics Artist
Apple-certified Master Trainer
Author, Motion 4 from Peachpit Press
http://www.applemotion.net


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Alan SeawrightRe: Numerical Data from Video Info
by on Dec 31, 2013 at 12:27:45 am

That's what I was afraid of. Next time I ask here first. Turns out, 140 characters, not great for describing complex compositing tasks. :)


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Andy NeilRe: Numerical Data from Video Info
by on Dec 31, 2013 at 3:44:46 am

Unfortunately, there are no behaviors or filters that read or store information like that although that would be a wonderful and useful addition. Suggest it in a feedback to Apple.

Andy

http://www.timesavertutorials.com


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