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706 Chapter 8: Modifiers

Scale—

Represents the size of one repet ition of the

texture pattern. Size is measured in current scene

units. Repetitions occur across the object in the U

and V directions. Defau lt=1.0.

Note: When the Use Real-World Texture

Coordinates switch is active in the

General

Preferences dialog (page 3–859)

,thescalesetting

defaults to 1.0. If Use Real-World Texture

Coordinates is turned off, sca le defaults to 100.0.

U/V Of fset—Specify horizontal and vertical offsets

respectively. Available only when Wrap Texture

is off.

Wra p Tex ture—When on, Map Scaler attempts

to wrap the texture evenly around the object.

This option requires more computing , but

usually produces the most satisfactory results.

Default=on.

Wra p Us ing S moothing Gr oups—When turned

on, textures are wrapped around corners when

they share t he same smoothing groups. Curved

walls w ill map smoothly while sharp cor ners get a

newtextureorigin.Thisswitchisonlyavailable

when the Wrap Textures switch is turned on.

Default=off.

Channel—Specifies the

map channel (page

3–1060)

.Default=1.

Material Modifier

Select an object. > Modify panel > Modifier List >

Object-Space Modifiers > Material

Select an object. > Modifiers menu > Surface > Material

Select an object. > Modifiers tab > Material Modifier

The Material mo difier a llows you to animate, or

simply change, the assignment of

material IDs

(page 3–1063)

on an object. If the material ID

is animated, the change to a new material ID is

abrupt, from one frame to the next.

Object mapped using a m ulti/sub-object material:

Material ID 1 for the housing of the m onitor

Material ID 2 for the image on the screen

Tip: If you want a gradual blend from one material

to another, try animating the Mix parameter on a

Blend (page 2–1397)

mater ial.

Use this modifier in conjunction with the

multi/sub-object (page 2–1403)

material ty pe,

to assign different materials to objects or faces at

different frames of an animation, or to quickly

change the material ID of an object.