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908 Chapter 8: Modifiers

introduced as a result of texture faces’ proportions

deviating from their geometry-equivalent faces.

Spacing —Controls the amount of space between

clusters.

The higher th is setting, the larger the gap that

appears between clusters.

Normalize Clusters— C ontrols whether the final

layout will be scaled down to 1.0 unit to fit within

the standard editor mapping area. If this is turned

off,thefinalsizeoftheclusterswillbeinobject

space, and they’ll probably be much larger than

the editor m apping area. For best results, leave this

turned on.

Rot ate Cluster s—Cont rols whether clusters are

rotated to m inimize the size of their bounding

box. For instance, the bounding box of a rectangle

rotated 45 degrees occupies more area than one

rotated 90 degrees.

Fill Holes—When turned on, smaller clusters will

be placed in empty spaces within larger clusters to

take the most advantage of the available mapping

space.

By Material IDs—When on, ensures that no

cluster contains more than one material ID after

flattening.

OK —Accepts the sett ings, closes the dialog, and

performs the mapping as specified.

Cancel—Undoes any changes and closes the dialog.

Set As Default—Makesthecurrentsettingsthe

defaults for the cur rent session.

Normal Mapping Dialog

Select an object. > Modify panel > Modifier List >

Object-Space Modifiers > Unwrap UVW > Edit button (on

Parameters rollout) > Mapping menu > Normal Mapping

The Normal Mapping method of procedural

mapping applies planar maps based on different

vector-projection methods. It is the most

straightforward method, but can result in even

greater texture distortion than with Flatten

mapping (page 1–907).TheNormalMapping

dialog lets you control how clusters are defined

and mapped.