clipka <ano### [at] anonymousorg> wrote:
> Am 19.01.2019 um 18:13 schrieb Kenneth:
>
> > So I tried using the oren_nayer feature in one of the recent 3.8 alphas, but
> > it's not recognized. I guess it never made it into 3.8's development? Pity that;
> > the feature sounds quite interesting.
>
> The problem was that the `albedo` mode of operation is poorly defined
> for oren-nayar and the other one (I think it was minnaert, would have to
> look it up), and I haven't made up my mind yet how to solve this.


?! I think the problem for oren nayar model is solved in previous:
http://news.povray.org/povray.beta-test/thread/%3C57040752@news.povray.org%3E/

with the total reflection light counted.
And the appearance of the rendered image with oren-nayar surface convinces me...

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