POV-Ray : Newsgroups : povray.general : iso surface for Fresnel mirror? : Re: iso surface for Fresnel mirror? Server Time
3 Aug 2024 00:26:02 EDT (-0400)
  Re: iso surface for Fresnel mirror?  
From: "Jérôme M. Berger"
Date: 12 Jun 2004 05:03:16
Message: <40cac6d4@news.povray.org>
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Daniel Matthews wrote:
| Could an iso surface be used for the geometry of a Fresnel mirror?
|
	If a fresnel mirror is similar in shape to a Fresnel lens, the
answer is yes and no :) Take a look at my post titled "Fresnel
isosurface" in p.b.i for the "yes" part. For the "no" part, the
problem is that this function has an infinite gradient at places
which causes the graininess of the picture and might cause additional
problems with reflection/refraction.

		Jerome

- --
******************************
*      Jerome M. Berger      *
* mailto:jbe### [at] ifrancecom *
*  http://jeberger.free.fr/  *
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