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Results tagged with physically-based
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user 4546
2
votes
What is the physical interpretation of Normal, Roughness, Albedo and Metalness map?
Those parameters have no direct physical equivalent. They were chosen to be intuitive and to range from 0-1. See the Burley's Physically-Based Shading at Disney for the full rationale and derivation o …
- 706
4
votes
What is the most physically accurate model of surface materials possible in computer graphics?
BRDFs are not accurate for any dielectric surface, as all of them have some degree of subsurface scattering. A BSSRDF is also just an approximation based on the assumption of a semi-infinite slab. Ide …
- 706