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'Compositing Background' weird issue

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Ryan Paterson'Compositing Background' weird issue
by on Aug 8, 2011 at 11:15:00 pm

Im using the 'infinite floor' technique a la GSG, which basically means using a compositing tag with 'Compositing Background' checked. It looks great except that anything above the horizon line of the plane doesn't show transparency, it just has a hard cutoff line along it. See attached image, near the top of the box the transparency just gets sliced.

I understand why it happens, just wondering if there's any way around it? Any help is much appreciated!

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Henric JentzRe: 'Compositing Background' weird issue
by on Aug 9, 2011 at 6:31:30 pm

Just replace the Sky object of the Seamless Floor with a large Sphere object. Apply the same material and the compositing tag to the sphere. Uncheck "Receive Shadows" and check "Compositing Background" in the compositing tag. This should do the job.

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Ryan PatersonRe: 'Compositing Background' weird issue
by on Aug 9, 2011 at 9:31:29 pm

Yes, I figured it out actually- was using a Background object for the seamless floor but had a sky object in there as well, as soon as I got rid of that, problem solved.

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