View Full Version : Roughness in Diffuse material
rsquires
09-21-2007, 01:50 PM
For clay and stone this is really useful. Am I missing something or is this not included in VrayforC4D
rich
DanieleF
09-21-2007, 02:50 PM
The roughness trhat you are talking is a propriety of the Oren-Nayar BRDF, that is basically a Lambert with a certain amount of specular, so you can simulate it with a diffuse and a specular with a very low highlite glossiness and Trace reflection deactivated.
Cheers
Daniele
rsquires
09-21-2007, 10:15 PM
wicked
rich
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