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Rendering Motion Movie with Alpha channel

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Darren McFarlan
Rendering Motion Movie with Alpha channel
on Jun 7, 2006 at 12:26:38 pm

How can you, or can you render out a movie in Motion, on an alpha channel?
I do this all the time in LiveType, and would like to render some particle effects in Motion, and bring them into AE, and place them over some video.
Every time I render something in motion, it is on a black background.

Darren


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specialcase
Re: Rendering Motion Movie with Alpha channel
on Jun 7, 2006 at 12:38:23 pm

Heya,

When exporting a Quicktime, are you using a codec that supports alpha? DV, for example, does not. You will need to use a codec like Animation.


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Greg Niles
Re: Rendering Motion Movie with Alpha channel
on Jun 7, 2006 at 4:40:28 pm

In the Export dialog, there is a popup labeled "Export Preset". Usually it is set to "DV NTSC Movie", but you can change it to "Lossless+Alpha Movie" to get a QuickTime movie with an alpha channel.

-- Greg


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Ben Dickson
Re: Rendering Motion Movie with Alpha channel
on Jun 22, 2006 at 7:38:33 am

Possibly place a white or black backdrop and then use multiply or screen to take oujt that colour.



...:: Gromfilms.com ::...


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