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Thanks! Can you recommend any unbiased renderers, then? My goal is to
eventually produce real optical devices to test the predicted results (series of
optics).
Warp <war### [at] tagpovrayorg> wrote:
> Ben <nomail@nomail> wrote:
> > Can POVRay be used to make nearly-accurate-to-physics models for optics beyond
> > refraction and reflection... to diffraction, interference, etc.?
>
> Short answer: No.
>
> The so-called unbiased renderers, which support BRDF definitions, are
> designed for this exact purpose. In other words, if you are able to
> describe the physical property of an object with a BRDF, the renderer
> will then be able to simulate that property with a high degree of accuracy.
> (Of course in many cases it will be extremely slow, and getting a good,
> non-grainy result can take humongous amounts of time.)
>
> Unfortunately POV-Ray is not such a renderer. (On the plus side you
> get non-grainy results which are often quite good pretty fast in most
> cases.)
>
> --
> - Warp
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