Rotate + key issue

yagfxg33k

yagfxg33k

Well-known member
I have a muzzle flash that I want to composite over a shot. I have to rotate and move the muzzle flash to match the fottage. My problem is that they keying works fine (screen key - BG on muzzle flash is black) unless I move or rotate the muzzle flash clip.

As soon as any change occurs in the default motion filter, the keying goes away. I also tried the transform filter but got the same results. I tried moving the keying filter before and after the transform filter but no dice. Anyone know what the trick is here? I am using PP 2 but it's the same deal in 1.5.1.

Thanks!
 
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Weird. No idea. As a last resort, you can always bring it into photoshop, remove the area you want to key out, and export a file with an alpha channel. If you don't have PS, you can get a free trial on adobe's site.
 
The workaround is to put the footage into it's own sequence and mive / rotate it in there - then bring that sequence into the mail sequence and key it there. Aparently there is a glaring bug in the Screen Key effect in both 2.0 and 1.5.
 
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