POV-Ray : Newsgroups : povray.beta-test : Experimental alternative diffuse models : Re: Experimental alternative diffuse models Server Time
29 Apr 2024 12:47:20 EDT (-0400)
  Re: Experimental alternative diffuse models  
From: And
Date: 6 Apr 2016 08:10:00
Message: <web.5704fbc076d9c5203feafd5e0@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
> Am 06.04.2016 um 09:52 schrieb And:
>
> > I derived a solution on what I said the albedo value getting dark when sigma
> > increase.
> > I study the formula from the wikipedia. It said A=1-0.5*..., B=0.45*...(Both
> > rely on the sigma)
> >
> > And the result albedo seems rho*A + rho*B*(2/3-64/45/pi) instead rho
> > itself. So maybe you can divide it when apply the diffuse albedo feature.
>
> Thanks! That correction factor appears to make a lot more sense than the
> hack I had come up with :)
>
> Not too surprisingly, experiments indicate that it does indeed fit like
> a glove.

Ok ok! cheers.

If I don't make mistake. but it should correct because I calculate formula
carefully.


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