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Animated gradient alpha revealing lines...

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silversurfer
Animated gradient alpha revealing lines...
on Nov 2, 2007 at 12:56:37 pm

Hello,

I know...sounds a bit confusing. I don't know how to explain it well so here goes.

I am trying to reverse engineer a spot element. It is a group of stacked 3D lines (5) in sort of a wavy spline shape that reveal on & off with an animated alpha gradient. I have been able to recreate perfectly the lines in 3D Stroke (using the Offset parameter to animate the lines across a wavy spline) and C4D but can't for the life of me figure out how that softness is created on the start & end.

Here are the frames containing the lines I am speaking of.

http://www.marasmalley.com/images/Americas.Cup.jpg

Here's the spot the lines appear in (10 mb):

http://www.digidojo.net/pics/tech_pics/animated_lines.mov

These lines wipe across the screen with a wide long gradiated transparency on each end. I can create these lines in AE & C4D but can't figure out how to do the transparency (it almost looks like a 3D track matte). Any help would be greatly appreciated.

Thank you so much :)

Joey


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