2008

Interface
Automatic Unwrap Mapping group
These are options for how to flatten UVs when Use Automatic Map is chosen
in the Objects To Bake rollout's Mapping Coordinates group.
NOTE These controls are also provided by the Unwrap UVW modifier's Flatten
Mapping dialog
on page 1821 .
Rotate Clusters Controls whether clusters are rotated to minimize the size
of their bounding box. For example, the bounding box of a rectangle rotated
45 degrees occupies more area than one rotated 90 degrees. Default=on.
Threshold Angle The angle used to determine the face clusters to be mapped.
Default=45.0.
As faces are gathered to be mapped, the modifier uses this parameter to
determine which faces get put in a cluster. This is the maximum angle that
can exist between faces in a cluster.
The higher this number, the larger the clusters will be, with consequently
greater distortion introduced as a result of texture faces' proportions deviating
from their geometry-equivalent faces.
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. Default=on.
Spacing Controls the amount of space between clusters. Default=0.02.
The higher this setting, the larger the gap that appears between clusters.
6212 | Chapter 18 Rendering