Publication date: 08/13/2020

Material Properties

To set the material properties of a surface, use the Material command.

Material( face, argument, value,...value )

face can be Front, Back, or Front_and_back. (Note that the material properties can be set separately for the front and back faces of a polygon.)

Table 13.5 shows the arguments and default values for Material arguments.

Table 13.5 Material Arguments and Default Values

Argument

Default Value

Meaning

AMBIENT

(0.2, 0.2, 0.2, 1.0)

Ambient color of material

DIFFUSE

(0.8, 0.8, 0.8, 1.0)

Diffuse color of material

AMBIENT_AND_DIFFUSE

Both AMBIENT and DIFFUSE

SPECULAR

(0.0, 0.0, 0.0, 1.0)

Specular color of material

SHININESS

0

Specular exponent that can range from 0 to 128.

EMISSION

(0, 0, 0, 1)

Emissive color of material

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