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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