Thomas de Groot <tho### [at] degrootorg> wrote:
> On 18-1-2019 15:27, And wrote:
> > //#declare trunk_13=
> > #declare PR_DIFFUSE=pigment {color rgb <0.056,0.058,0.036> transmit 0/100 }
> >
> >
> > #declare F1=finish{
> >                     diffuse  1
> >                     oren_nayar 1.117
> >                     }
> >
> [snip]
>
> oren_nayar? I suppose that is a macro you wrote yourself based on this
> reflectance model? It does not seem to be mentioned in the POV-Ray docs...
>
> --
> Thomas

new feature of 3.7.?  The newest uberpov has this feature, too.

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