clipka <ano### [at] anonymousorg> wrote:
> Am 22.04.2016 um 15:41 schrieb And:
>
> > And the wall has a oren-nayar surface with diffuse albedo 0.63, roughness 0.75.
>
> Just for information: For technical reasons, POV-Ray can only use the
> Oren-Nayar and Lommel-Seeliger models for direct illumination from
> conventional light sources. The radiosity algorithm computing the
> indirect illumination needs to use a Lambertian approximation instead.
>
> So in your image, using the Oren-Nayar model will only make a noticeable
> difference where the walls are directly lit by sunlight.

Ah, I know this in your previous article. Thank you for the advice. And I placed
sky dome lights to increase the effective extent in this render.

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