8

388 Chapter 5: Creating Geometry
B one Tool s
Character menu > Bone Tools
This command displays the Bone Tools floater,
which provides functions for working with bones.
The floater contains three rollouts, described in
these topics:
Bone Editing Tools Rollout (page 1–388)
Fin Adjustment Tools Rollout (page 1–390)
Object Prop erties Rollout (Bone Tools) (page
1–391)
B one Tool s R ol lout s
B one Editing Tools Rollout
Character menu > Bone Tools > Bone Tools floater > Bone
Editing Tools rollout
Controls on the Bone Editing Tools rollout let you
create and modify bone geometr y and str ucture,
and set bone color for one or more bones.
Interf ace
Bone Pivot Position group
Bone Edit Mode—Lets you change the lengths of
bones and their positions relative to one another.
When this button is on, you can change the length
of a bone by moving its child bone. In effect, you
can scale or st retch a bone by moving its child
bonewhileinthismode. Youcanusethistool
both before and after assigning an IK chain to the
bone structure.
When Bone Edit Mode is on, you cannot animate,
and when Auto Key or Set Key is on, Bone Edit
Mode is unavailable. Turn off Auto/Set Key to edit
bones.
Note: MovingaboneinBoneEditmodeaffects
the length of
both the child and its parent .Ifthe
bones aren’t spatially aligned in the usual way (for
example, if you are using other objects as bones),
this might have unexpected results.