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Any idea why this specular / phong is flickering?

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jay ingles
Any idea why this specular / phong is flickering?
on Jan 17, 2013 at 11:15:05 pm

I'm having difficulties figuring out why the hair specular is flickering.

The phong angle is very low (15 degrees). Putting the phong to 0 degrees does not resolve the issue.

http://reels.creativecow.net/film/flickering-specular

Hope you can help.
thanks!


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Brian Jones
Re: Any idea why this specular / phong is flickering?
on Jan 18, 2013 at 3:12:50 am

without seeing the scene file my first guess is that it's duplicate geometry at that part of the model


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jay ingles
Re: Any idea why this specular / phong is flickering?
on Jan 18, 2013 at 3:41:36 pm

Yep, it was duplicate geometry. I don't understand why it was flickering but i'm guessing it has to do with the phong and geometry that was close to each other.

Upping the phong didn't resolve it.

The face/skin plane went all the way up inside the hair. Even though it never protruded through the hair somehow the phong flickered. Erasing the face/skin above the hair line resolved everything.

Thanks for the insight!


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