9

536 Chapter 12: Animation
Draw Cur ves—Use this to draw new curves,
or revise existing ones by sketching directly on
the function curve graph. See Draw Curves (page
2–582).
Reduce K eys—Usethistoreducetheamount
of keys in a track. See Reduce Keys (page 2–572).
KeyTangencyToolbar
Set Tangents to Auto—Located on the Key
Tangents Track View toolbar, select keys then
click this button to set tangents to A uto Tangent
automatically. A flyout also lets you set in tangents
and out tangents individually to A uto. Selecting
the handles of an Auto tangent changes them to
custom, and m akes them available for editi ng .
Set Tangents to Custom—Sets keys to custom
tangents. Select the key then click t his button to
make the key handles available for editing. Set in
and out tangents individually using the flyout. Use
the
Shif t key to break continuity when using
handles.
Set Tangents to Fast—Setskeytangencyto
fastin,fastout,orbothinandout,dependingon
your choice from the flyout.
Set Tangents to Slow—Setskeytangencyto
slowin,slowout,orbothinandout,depending
on your choice from the flyout.
Set Tangents to Step—Setskeytangencyto
stepin,stepout,orbothinandout,depending
on your choice from the flyout. Use step to freeze
motion from one key to the next.
Set Tangents to Linear—Sets key tangency to
linear in, linear out, or both in and out, depending
on your choice from the flyout.
Set Tangents to S mooth—Sets key tangency
to smooth. Use this to even up discontinuous
motion.
Cur v es Toolbar
Lock Select ion—Locks the key select ion.
Once you have created a selection, turn this on and
you can’t inadvertently select something else. See
Lock Selection (page 2–555).
Snap Frames—Restricts key movement to
frames.Keysthataremovedwillalwayssnapto
frames when this is on. When t his is off, you can
move a key so it falls between f r ames and becomes
asub-framekey.Default=on. SeeSnap Frames
(page 2–554).
Par ameter Out-of -Ra nge Cur ves—Use this to
repeatkeyframedmotionbeyondtherangeofthe
keys. Includes options for Loop, Ping Pong, Cycle,
orRepeatrelatively,aswellasconstantandlinear.
If you use Parameter Out-of-Range types, you can
later create keys using Track View > Utilities >
Create Out-of-Range Keys. See Parameter Curve
Out-of-Range Types (page 2–551) and Create Out
of Range Keys Utility (page 2–562).
Show K eyable Icons—Displays an icon that
definesatrackaskeyableornot.Usethistoset
keys only on the tracks you want to keyframe.
Turning off a track in Track View also restricts
the m ovement in the v iewport. Red keys indicate
keyable tracks, black keys are not keyable. See
Keyable Icons (page 2–531).