8

550 Chapter 12: Animation
Edit R anges
Track View > Dope Sheet > Track V iew toolbar > Edit
Ranges
EditRangesdisplaysalltracksasrangebars.This
mode is useful for quickly scaling and sliding
complete animation tracks.
• Drag the range bar of an animation tr ack to
change all animation in that track.
• Drag range bars in higher-level tracks to change
all animation in multiple tracks.
Note: You cannot access individual key values in
this mode.
The Ranges: Dope Sheet toolbar contains tools for
working with Ranges. Right-click an empty area
adjacent to the Dope Sheet toolbar and choose
Show Toolbars > Ranges: Dope Sheet to display
thetoolbar.Saveyourlayoutafteryoudo.
Besides the Edit Ranges button, the Ranges: Dope
Sheet toolbar shows the following buttons:
Position Ranges (page 2–550)
Recouple Ranges (page 2–551)
Procedure
To drag the ranges of an object and all of its link ed
descendants:
1.
On the Track View toolbar, click Edit
Ranges.
2. On the Track View to
olbar, click Modify
Subtree.
3. In the Track View Key window, drag an Object
rangebarortheWorldrangebar.
With Modify Subtree on, a range bar displays
in the Objects tra
ck. The Objects branch is t he
defaultparentofallobjectsinthescene.
Dragging a parent-object range bar with
Modif y Subtree on affects all tr acks subordinate
totheobjectandalltracksofallofitslinked
descendants.
Pos it io n R a nges
Track View > Dope Sheet > Ranges: Dope Sheet toolbar >
Position Ranges
Position Ranges mode allows you to position range
bars independently f rom t heir associated keys and
produce special effects.
The process of adjusting a range bar independent
ofitskeysiscalled
decoupling the range .
Positioning a range bar so it matches the first to
last keys of a track is called
recoupling the range .
Note: The Ranges: Dope Sheet toolbar doesn’t
appear in Track View by default. To open it,
right-click an empt y area adjacent to the Dope
Sheet toolbar and choose Show Toolbars > Ranges:
Dope Sheet. Save your layout after you do.
Decouple a Ra nge B a r
Youdecouplearangebarfortworeasons:
• You want some keys at the start or end of an
animation range not to take effect.
Keysoutsideoftherangebarareignored
during animation playback. The keys outside
the range st ill affect interpolated va lues inside
therange,buttheappliedOut-of-Rangetypeis
usedtoanimatetimeoutsidetherangebar.
• You want to add extra t ime before the first key
or after the last key that is not affected by the
applied Out-of-Range type.
Timebeyondthefirstorlastkeyofthetrack,
but still within the range, uses the constant
value of the nearest key within the range.