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Old 03-10-2013, 05:43 PM   #1
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Unwanted glow on "floor" of scene

Hello to anyone who reads this.

I have a scene for an animation that is being layered on top of a still image. For this, I have created a Shadow/Reflection Matte material for the shadows to be cast onto the background "plate". I have around 3 Mental Ray Omni lights lighting the scene, and the shadows and lighting are both set up fine to me needs. However, I am finding a white glow, almost like a white (very diffused) shadow bein cast on to my shadow matte.

I checked the materials, see if any glows were automatically set, but I can find anything.
I also checked a material that I have copied and pasted, to alter for various objects, as it only affects objects with that material type it seems, and also can't find anything obvious.

I'd like to attach an image but I'm new to this forum and can't quite find how to do so.

Old 03-12-2013, 08:33 PM   #2
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Zdravko Barisic
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Use for attaching images.
Old 03-12-2013, 08:37 PM   #3
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Okay, here is the example of the issue I have described.

Thanks for the info on attaching images,

Old 03-18-2013, 08:35 AM   #4
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Richard Missin
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Leeds, GB
Join Date: Jul 2012
Posts: 57
I'm not sure if your still looking for a solution to this, but I've hit this problem a few times using Vray, my solution was to use Vray Material Override to control the GI behaviour of the object causing the washout, I'm not sure what the MentalRay equivalent is, maybe an experienced user can help you more.
Another fix is to just take the object out of the GI solution, crude but it works.
Old 03-18-2013, 08:35 AM   #5
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