Interesting, I will look into that. Based on some other suggestions
for other problems I had rendered it into an image and then back out
to a billboard and the same effect happened. But I had not looked into
anything related to pre-multiply. Thanks.
On Mar 1, 2009, at 9:51 AM, Chris Wood wrote:
Looks like it's still doing additive blending, but the colours
aren't correct. My guess is that it's related to premultiplied alpha
in some way, as that's given me trouble like this before. I guess
the quickest way to check would be to render the composition in a
render-in-image, pass it through a CI Filter, then output to a
billboard. Then you can see if it's fixed by adding
premultiply(pixel) or unpremultiply(pixel) to the CI filter.
Perhaps it's something else, but I think that's worth a go.
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