Scattering Surface Curve
With Scattering surface curve you can preview the surface quality's behavior.
The default refraction index used for this preview to represent the Fresnel law here is 1.5.
Note: Scattering surface curve is available from Simple Scattering Surface Editor,
Advanced Scattering Surface
Editor, Retro Reflecting Surface
Editor, Fluorescent Surface
Editor, and Rough Mirror Surface
Editor.