A single artist-facing parameter set, all normalized to zero-to-one, fitted against measured data. Its influence is mostly social: it made one vocabulary of material parameters near-universal across renderers.
supersedescorrects · extends
classifiesspecializes · part-of
substitutes forapproximates · alternative-to
depends onrequires · validates
Colour is the family; a dashed line is the second member of it.
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This node
specializesis a specific case of Microfacet Modelwraps it in parameters artists can actually author
requiresdoes not work without MERL BRDF Databasethe lobes were fitted against measured materials
References
Physically Based Shading at Disney — Burley — 2012