AcademySoftwareFoundation / OpenPBR

Specification and reference implementation for the OpenPBR Surface shading model
Apache License 2.0
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Spec/coat roughness ranges should be [0,1] #143

Closed portsmouth closed 2 months ago

portsmouth commented 8 months ago

Since we explicitly say not to use values $\ge 1$:

In practice we restrict to the range $\alpha \in [0,1]$, as $\alpha>1$ does not produce a plausible rough appearance.

But right now these ranges are $[0, \infty]$:

image