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Rain drops flush away graphics

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Michael Brydebøl
Rain drops flush away graphics
on Dec 21, 2010 at 9:16:49 am

Hi there.

Does anyone know how to make an effect with rain drops where it flush away som graphics?

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Dave LaRonde
Re: Rain drops flush away graphics
on Dec 21, 2010 at 6:22:17 pm

Use the raindrops footage as a model for a bunch of animated masks that would get longer as the raindrops roll down the surface. If they roll down at a consistent speed, you may not have a lot of rotoscoping work to do. Then apply the masks to a solid, which you can then use as a track matte for the graphic.

Then turn off the masks on the raindrop footage, and use one of the blend modes to get the raindrops to appear on the graphic. It may take a couple of duplicated layers and perhaps even using the graphic as a track matte if it contains transparency, but you ought to be able to get the look right.

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

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