Question about fresnel's output Kt ...

Newsgroups	comp.graphics.rendering.renderman
Date	2012-09-17 09:00 -0700
Message-ID	<0f52ba86-9a3c-4d29-81bf-048f114b1ec8@googlegroups.com> (permalink)
Subject	Question about fresnel's output Kt ...
From	seilaancientmoon@gmail.com

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hi all,
I notice that some SL examples that use fresnel() usually don't use the Kt output directly but calculating Kt from 1-Kr, why this should be done? Or any limit that fresnel can't produce a correct Kt ?

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Question about fresnel's output Kt ... seilaancientmoon@gmail.com - 2012-09-17 09:00 -0700
  Re: Question about fresnel's output Kt ... lollipopshaders@gmail.com - 2012-10-11 11:24 -0700

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