8

762 Chapter 8: Modifiers
Selection Check Rollout (Projection Modifier)
(page 1–765)
Projection Rollout (Projection Modifier) (page
1–766)
Selection R ollout (Projection
Modifier)
Select an object. > Modify panel > Modifier List >
Object-Space Mo difiers > Projection > Selection rollout
The Projection modifier’s Selection rollout is for
managing sub-object selections.
Inter face
Ca g e—ClicktoturnontheCagesub-object
level.
TheCageisthesurfacefromwhichnormals
are projected. At the C age sub-object level, you
can adjust the cage manually by transforming
sub-object selections of cage vertices.
Face—ClicktoturnontheFacesub-object
level.
The Face sub-object level lets you assig n different
source geometry to different portions of a surface.
Element—Click to turn on the Element
sub-object level.
The element sub-object level lets you assign
different source geometry to individual elements.
(An element is a group of contiguous faces.)
Shrink—Reduces the sub-object selection area
by deselecting the outermost sub-objects. If
the selection size can no longer be reduced, the
remaining sub-objects are deselected.
Grow—Expands the selection area outward in all
available directions.
With Shrink and Grow, you can add or remove neighboring
elements from the edges of your current selection. Shrink
and Grow work at any sub-object level.
Igno re Backfacing—When on, selection of
sub-objects affects only those facing you. When
off, you can select any sub-objects under t he
mouse cursor, regardless of visibility or facing. If
multiple sub-objects lie under t he cursor, repeated
clicking cycles through them. Likewis e, with
Ignore Backfacing off, region selection includes all
sub-objects, regardless of the direction they face.
Default=off.
Get Sta ck Selections—Click to collect sub-object
selections from modifiers that are below t he
Projection modifier on the stack.