Fresnel on specularity - which channel - Simply Maya User Community

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# 1 04-05-2008 , 03:14 PM

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Join Date: Mar 2007

Posts: 1,055

Fresnel on specularity - which channel

Hi,

should it be applied to the eccentricity, roll-off or colour? If it's more than one of those, should the same ramp be used or not? I've googled this without any luck.

cheers

gubar

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# 2 04-05-2008 , 04:25 PM

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specular color is the one you want

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# 3 05-05-2008 , 04:00 AM

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Join Date: Sep 2007

Location: Mississauga, Ontario, Canada

Posts: 450

are you trying to get the specularity to be irregular, or to follow say a grain in wood for example?
If you are trying to do that then yeah you want to apply your map to spec colour.

if you want to adjust to spec roll off then apply your ramp to the roll off.

If you aren't sure what you are looking to do, then experiment and compare results from applying it to all three values on separate occasions.

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