POV-Ray: Newsgroups: povray.unofficial.patches: Are angle dependent reflections based upon actual lighting effects?: Re: Are angle dependent reflections based upon actual lighting effects?

POV-Ray : Newsgroups : povray.unofficial.patches : Are angle dependent reflections based upon actual lighting effects? : Re: Are angle dependent reflections based upon actual lighting effects?		Server Time 2 Sep 2024 20:16:35 EDT (-0400)

From: Matt Giwer
Date: 10 Aug 1999 21:04:11
Message: <37B0CC1E.FDD457CA@giwersworld.org>

"SamuelT." wrote:

> When I read this statement of yours I immediately thought of mirages. I
> wonder if mirages are caused in part to this natural effect?

	Yes. It is a total reflection angle that is dependent upon the
IOR of what is reflecting it. Air near the ground is hotter,
decreasing its IOR.

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