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Halo on alpha channel

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mandark1011

mandark1011

Technical User
Nov 15, 2002
20
CA
Hello
I am rendering scenes from maya using BG shaders to get alpha channel info and all the tiff files that ive rendered composite with a halo around the image. The colour depends on the BG colour i choose for the camera. But all layers show this "halo", even solid objects with no transparency. please any help here would be greatly appreciated.
Thanks for your time and suggestions
 
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