Dispersion and Attenuation

Attenuation. This is a measure of the loss of intensity of light as it passes through the material. Sunglasses, for example, have a high attenuation.
Dispersion. This controls how much light is split into its component wavelengths.
Saturation. This determines the amount of dispersion.

Dispersion Saturation controls the color saturation of the prism-like effect of light passing through a refractive medium. Dispersion must be > 0. for this to have effect. Dispersion is seldom desired for most architectural rendering. It does work better in conjunction with caustics.

Replies

Alain Bonnefoy October 3, 2012 at 9:55am

Ok, interesting

Thanks
Rich Hart October 3, 2012 at 9:40am
- Attenuation. This is a measure of the loss of intensity of light as it passes through the material. Sunglasses, for example, have a high attenuation.
- Dispersion. This controls how much light is split into its component wavelengths.
- Saturation. This determines the amount of dispersion.
Dispersion Saturation controls the color saturation of the prism-like effect of light passing through a refractive medium. Dispersion must be > 0. for this to have effect. Dispersion is seldom desired for most architectural rendering. It does work better in conjunction with caustics.

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