Tue Jan 26, 2016 12:57 am
As long as it doesn't have colored absorption (AR, AG, AB) then you should just use additive over.
That's the only mathematically correct way to do it. But you can do whatever you want to make it look good, but if over doesn't work, then there's an issue with the render, not the comp.
Chad Capeland
Indicated, LLC
www.floweffects.com