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On Thu, 02 Jul 2015 18:16:23 +0200, clipka <ano### [at] anonymous org> wrote:
> Am 02.07.2015 um 10:25 schrieb scott:
>>> - Always use "fresnel on" for reflections (don't forget to specify
>>> "ior"), or "metallic on" where applicable, and always use 0.0 for the
>>> minimum reflection (or leave it out, specifying the maximum reflection
>>> only).
>>
>> If you are using fresnel, is it valid (from a PBR point of view) to even
>> scale the results using a maximum reflection other than 1?
>
> Absolutely - if, for instance, your surface is littered with
> non-specular material at a microscopic level. Fine rust on iron steel,
> for instance, or a thin coating of dust.
>
> In those cases it might be better, however, to use an average of two
> materials.
>
What about plastic? It reflects, but it's not highly reflective. I don't
think I would go higher than 0.5 maximum reflection on plastic.
--
-Nekar Xenos-
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