Thomas de Groot <tho### [at] degrootorg> wrote:
> On 6-4-2016 12:28, And wrote:
> > Or the carton.
> >
>
> Powdery/chalk, carton, yes that makes sense indeed for oren_nayar.
>
> Got back to the original clipka message:
>
> [quote] The Lommel-Seeliger model has its roots in astronomy, where it
> is used to model "lunar type" (i.e. rocky or dusty) surfaces, while the
> Lambertian model is used for "icy" surfaces, and weighted averages of
> the two are used to model anything in between. [/quote]
>
> What would you say for the following:
>
> - Lambertian for icy or shiny surfaces;
> - oren_nayar for fine, powdery-like surfaces;
> - lommel_seeliger for coarser, dusty-like surfaces.
>
> --
> Thomas

Well. Oren-Nayar is for such objects I know. But Lambertian should be the
simplest diffuse material. I just know it is suitable for stones,
(unpainted)concrete. Lommel Seeliger I never heard.

Post a reply to this message