Translucence
The Translucence attribute carried by Lambert, Blinn, Phong, Phong E, and Anisotropic materials simulates the diffuse penetration of light into a solid surface. In the real world, you can see the effect when holding a flashlight to the back of your hand. Translucence naturally occurs in hair, fur, wax, paper, leaves, and human flesh.
The higher the Translucence value, the more the scene's light penetrates the surface (see Figure 3.19). A Translucence value of 1.0 allows 100 percent of the light to pass through the surface. A value of 0 turns the translucent effect off. The Translucence Depth attribute sets the virtual distance into the object to which the light is able to penetrate. The attribute is measured in world units and may ...
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