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Activity Forums Adobe After Effects Star field & alpha channel

  • Star field & alpha channel

    Posted by Steve Nield on August 22, 2008 at 11:06 am

    I thought I had got this concept done but there is somthing that I am not doing right.

    I have started with an empty comp then added a solid to which I apply the trapcode particular plug-in to create a starfield. so far so good.

    When I render out a avi or QT movie (RGB + alpha channel) the black is still there. Any help would be much appreciated

    Darby Edelen replied 18 years ago 2 Members · 1 Reply
  • 1 Reply
  • Darby Edelen

    August 22, 2008 at 4:07 pm

    [Steve Nield] “When I render out a avi or QT movie (RGB + alpha channel) the black is still there. Any help would be much appreciated”

    Have you brought this render back into AE to check for the alpha channel? If you view the RGB + Alpha video in QT Player or another such application you will usually not be shown the alpha (although it should be there).

    Darby Edelen

    NVIDIA
    Santa Clara, CA

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