POV-Ray: Newsgroups: povray.programming: Angle-dependent reflection

POV-Ray : Newsgroups : povray.programming : Angle-dependent reflection		Server Time 24 Jan 2025 00:13:33 EST (-0500)

From: J Kim
Subject: Angle-dependent reflection
Date: 5 Sep 2000 00:22:44
Message: <39B474D2.9F6E555B@mm.ewha.ac.kr>

Dear all,

 I just learned to use the angle-dependent reflection function( or
routine?)  in the MegaPOV.
I would like to know where I could find the source for calculating the
Fresnel coeff. including the change of the IOR in MegaPOV source file.
What would be the name of the subroutine?
Well, sorry that I am not a programmer.

Thanks,

 Sun Jong

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From: Chris Huff
Subject: Re: Angle-dependent reflection
Date: 5 Sep 2000 15:09:10
Message: <chrishuff-1CC352.14105205092000@news.povray.org>

In article <39B474D2.9F6E555B@mm.ewha.ac.kr>, 
sjk### [at] internetzonecokr wrote:

>  I just learned to use the angle-dependent reflection function( or
> routine?)  in the MegaPOV.
> I would like to know where I could find the source for calculating the
> Fresnel coeff. including the change of the IOR in MegaPOV source file.
> What would be the name of the subroutine?

The function is determine_reflectivity() in lighting.c.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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