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Warping flat images in AE across a wavy path

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Mike LafataWarping flat images in AE across a wavy path
by on Apr 8, 2010 at 8:30:37 pm

I need to warp and animate a flat image in AE. It needs to look kind of like the lines of a football field moving across hills. The hills are static, but the lines move over it, maybe like a roller coaster moving across the tracks.

Is there a way to warp a flat image across a wavy path?

I posted a pic on flickr to show you what I mean:
http://www.flickr.com/photos/23527039@N00/4502869161/

Thanks for any help!

Mike


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Ben CoelloRe: Warping flat images in AE across a wavy path
by on Apr 8, 2010 at 9:24:33 pm

One way to accomplish this would be to pre-compose the field layer into a Precomp. Use a deform effect on the precomp layer to achieve desired waviness. Within the Precomp you can then animate the lines moving. This should create the effect of lines moving through the wave, deforming as they go to match it's contours.

As long as the movement is relatively simple, this should work.


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Roland R. KahlenbergRe: Warping flat images in AE across a wavy path
by on Apr 9, 2010 at 2:26:45 am

For 2D warping, AE's Bezier Warp should do nicely. Displacement Map will work as well but you'll need an addtional image for the its luminance values.

For 3D warping, Digieffects' Freeform AE will do this very well.

HTH
RoRK

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