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Similar to above, true dielectric materials would retain the white color. Make subtle changes here to avoid losing all physicality as this control result is multiplied against the interior and rays reflected from the inside. It's best to use the Interior > Absorption parameters below for realism.
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reflection: white
transmission: white
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reflection: blue
transmission: white
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reflection: white
transmission: blue
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Reflection / Transmisson : White / White - Blue / White - White / Blue
Fresnel Mode
- Artistic - Reflectivity This result controls the amount of reflection from the normal direction as well as interior bending of the rays. Presets for common materials are provided for you to use.
- Scientific - IOR This result controls the amount of ray bending and as a physical effect, the reflection result using the index or refraction. You may recall materials like crown glass and water IOR are 1.5 and 1.33 respectively.
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Microfacets or tiny bits of roughness can scatter light in a way that has a blurry result. The less rough, the mirror-like and smooth/slick the material may look. High values will simply look diffuse.
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Roughness examples : 0.0 / 0.2 / 0.4 / 0.6 / 0.8 / 1.0
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How strong the tail effect should be in a linear fashion.
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Tail Mix examples : 0.0 / 0.2 / 0.4 / 0.6 / 0.8 / 1.0
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The maximum reach in scene units of light before it is absorbed.
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Absorption Radius examples : 0.015 / 0.025 / 0.05 / 0.075 / 0.1 / 0.5
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