Reparameterizes conductor Fresnel from complex indices of refraction, which nobody can author, into reflectivity and edge tint, which can be picked from a colour swatch.
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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correctsfixes a defect in Fresnel Equationsreflectivity and edge tint, not unauthorable complex IOR
References
Artist Friendly Metallic Fresnel — Gulbrandsen — 2014 · link