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augustus
05-26-2003, 10:59 PM
I'm doing some renders usin Mental Ray physical lens shader. Results look good, but the alpha channel doesn't match the image. Please see attached image. Do you have a solution for this?

Attached image: Render composited with a green background.
danylyon
06-03-2003, 11:36 AM
have you interpreted the alpha channel as premultiplied (with black)?
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