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Chapter 16: Creating and Applying Standard Materials

Cross-Ref
For more on Maps and the various map types, see Chapter 17, “Adding Material Details with Maps.” n

FIGURE 16.2
The Blinn Basic Parameters rollout lets you select and control properties for the Blinn shader.
Active map

Locked colors

Locked maps icon
Inactive map

Self-Illumination can use a color if the Color option is enabled. If this option is disabled, a spinner appears
that enables you to adjust the amount of default color used for illumination. Materials with a Self-Illumination
value of 100 or a bright color like white lose all shadows and appear to glow from within. This happens
because the self-illumination color replaces the ambient color, but a material with self-illumination can still
have specular highlights. To remove the effect of Self-Illumination, set the spinner to 0 or the color to black.
Figure 16.3 shows a sphere with Self-Illumination values (from left to right) of 0, 25, 50, 75, and 100.
The Opacity spinner sets the level of transparency of an object. A value of 100 makes a material completely
opaque, while a value of 0 makes the material completely transparent. Use the Background button (located
on the upper-right side of the Material Editor) to enable a patterned background image to make it easier to
view the effects of the Opacity setting. Figure 16.4 shows materials with Opacity values of 10, 25, 50, 75,
and 90.
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