ChromeStar posted at 7:47AM Sun, 03 January 2021 - #4409262

I think this is apparent if you study the comments above in detail, but I noticed in the documentation for the PrincipledBSDF in Blender it states clearly:

When converting from the older Glossy BSDF node, use the square root of the original value.

That seems to apply here too. So, to convert a P11 or earlier setting to P12, just take the square root of the original roughness. To convert a P12 setting for P11 or earlier, square the value (i.e. X^2, or X*X).

Sorry but square root... isn't that more something like x^0.5? I mean if x=sqrt(y), then x*x=y, no?

𝒫𝒽𝓎𝓁

---

(っ◔◡◔)っ

👿 Win11 on i9-13900K@5GHz, 64GB, RoG Strix B760F Gamng, Asus Tuf Gaming RTX 4070 OC Edition, 1 TB SSD, 6+4+8TB HD
👿 Mac Mini M2, Sonoma 14.6.1, 16GB, 500GB SSD
👿 Nas 10TB
👿 Poser 13 and soon 14 ❤️