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export variables form after effects?

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kai hattermannexport variables form after effects?
by on Nov 30, 2011 at 3:41:16 pm

hi there,

Imagine i have a animation like this:
- a picture scales from 100 percent to 50 percent with easy ease and bounces in the end.
I will do this not with expressions, i will do it with keyframes.
NOW.....
these dummies i build will have to be programmed after by programmers for Ipads.
Is there a way to export the mathematics what after effects does to scale from 100 to 50 and bounce?
I mean even if i work in the timeline, in the backround must happen some kind of code.
Maybe there is a extra programm to export this ?

Thanks for answers!
Greetz, Kai


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Walter SoykaRe: export variables form after effects?
by on Nov 30, 2011 at 4:19:31 pm

I'll assume you've already animated your scale and bounce with keyframes as you said.

Alt-click the Scale stopwatch to add the follow one-word, do-nothing expression:
value
Now right-click on one of the keyframes, then choose Keyframe Assistant > Convert Expression to Keyframes.

This will create one keyframe per frame for your animation. Select a range of keyframes and copy them to the clipboard. Paste them into Excel, Notepad, or TextEdit.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Dave LaRondeRe: export variables form after effects?
by on Nov 30, 2011 at 4:27:34 pm

...and Walter comes up with a good solution. I should have thought harder about it.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Walter SoykaRe: export variables form after effects?
by on Nov 30, 2011 at 4:51:45 pm

Thanks, Dave.

We've missed you around here! Hope all is well!

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Dave LaRondeRe: export variables form after effects?
by on Nov 30, 2011 at 4:58:37 pm

Everything's fine. Just a little self-imposed exile to re-learn everyday matters such as courtesy.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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kai hattermannRe: export variables form after effects?
by on Nov 30, 2011 at 4:48:23 pm

hi walter,
this is a very good solution!
if the animation is not so simple it could get hard to get all of that code?
for example if i try it with a mask it just gets me the informations of the compositon.
or if one layer is connected to another layer (i dont know the english word. i mean that this layer
is getting a position depending on another layer), it is not working for example, it shows always the
same position values.
maybe this works just with simple animations?


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Walter SoykaRe: export variables form after effects?
by on Nov 30, 2011 at 4:58:49 pm

[kai hattermann] "maybe this works just with simple animations?"

This will work for any value that an expression can access -- though in some cases, you may need to translate or pre-process the data.


[kai hattermann] "for example if i try it with a mask it just gets me the informations of the compositon"

True, expressions can't see mask data. I think that scripts can, though, so you might still be able to write a tool to get the data you need.


[kai hattermann] "or if one layer is connected to another layer (i dont know the english word. i mean that this layer
is getting a position depending on another layer), it is not working for example, it shows always the
same position values."


It's called parenting. You'd have to use the toComp() or toWorld() expressions to convert the child's local position to global coordinates before using the method above to grab meaningful keyframe data.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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kai hattermannRe: export variables form after effects?
by on Nov 30, 2011 at 5:09:52 pm

wow- thanks a lot walter! this helps a lot already!


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Dave LaRondeRe: export variables form after effects?
by on Nov 30, 2011 at 4:27:00 pm

You should check out sites for AE scripts like AE Enhancers (and others). A script should be able to pass on that kind of data, but AE can't do it all by itself. If you've already unsuccessfully searched for scripts, I'd say it'll be a very, very long shot to find what you seek.

You could ask about this on the COW's AE Expressions forum to see if they know about any solutions.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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