The default is off (artistic control) and does not conserve energy.Connect a mask here to apply a cutout pattern to your object. Setting this to 1.0 corresponds to the physical effect. The RenderMan Companion: A Programmers Guide to Realistic Computer Graphics.This control allows the darkening of the diffuse result as energy is taken by the specular response with leftover energy used to light the diffuse lobe. Details are explained with easy-to-follow, step-by-step instructions.This important book is designed as a tutorial for graphics programmers and.
This parameter is useful for faking a shadow color for art direction purposes. A value between 0 and 1 will produce unwanted noise!This parameter can be used to override the geometric normals for controlling the Eccentricity parameter.Specify shadow color. Useful for cutouts like creating leaves and other thin, complex shapes.This value should be either 0 or 1.
It may also influence global illumination between the objects.
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