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render clip while preserving transparancy
I’m making a 4 second clip to use as a transition when place on the track above the place where two clips join.
The “transition” clip is a .png of the head of a screw that spins and grows from nothing to fill the screen (via pan/crop and track motion)and then spins and shrinks to nothing. The transition between the clips on the track below occurs when the screw head fills the screen. On the track above the screw head is a text event with the same properties as the screw head so that they spin and grow in unison.
Now, I’ll be using this a lot in the project I’m working on and I’d like to render the screw head and text to a clip, so I can just drop it over transitions when it is needed, but I can’t figure how to render it while preserving the transparancy around the screw head as it grows and shrinks. Can somone advise?
klimvid
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4 Replies
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Render it as an uncompressed avi. Go into the Custom > Video tab and make sure that “render alpha channel” is selected.
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That gave me a black background instead of transparant.
klimvid
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Hey, I got it Mike. I right-clicked on the rendered clip and under Properties/Media/Alpha channel, in the drop-down menue, selected “Straight (unmatted), instead of the default “None”. Thanks for your help!
klimvid
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Sorry Richard. I forgot to mention that “little” detail. Glad you figured it out. BTW, nice website you have.
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