POV-Ray : Newsgroups : povray.general : POV-Ray lighting model vs Rayshade : Re: POV-Ray lighting model vs Rayshade Server Time
30 Jul 2024 20:20:10 EDT (-0400)
  Re: POV-Ray lighting model vs Rayshade  
From: Grim Reaper
Date: 9 Jun 2008 03:15:01
Message: <web.484cd7c64c6c80f26863987c0@news.povray.org>
Warp <war### [at] tagpovrayorg> wrote:
> Grim Reaper <sup### [at] hotmailcom> wrote:
> > The following for example doesn't work as expected.
>
>   Actually it does work as expected. If the surface is pure red, it does
> not reflect anything than red light. It will not reflect blue light. Thus
> it will not reflect blue ambient light either.
>
>   POV-Ray was designed from the very start to emulate classical lighting
> principles such as this one (although, admittedly, you can still achieve
> physically incorrect results, such as an object reflecing *more* light
> than it's receiving).
>
>   I'm not saying that's a good (or a bad) thing. I'm just stating a fact.
>
> --
>                                                           - Warp

Ok so I guess the question becomes: Does anyone know what lighting model formula
I can use to mimic the Rayshade lighting model in POVMan through a Renderman
shader?


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