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506 Chapter 12: Animation
Right-click the toolbar , choose Show Toolbars, and
then select Range-Track View to access t hese tools.
Keys displayed as range bars (Dope Sheet - Edit Ranges mode)
Function Curves
Funct ion Curves display the values of keys, and
the interpolate d values between keys, as a curve.
Thesecurvesexpresshowaparametervariesover
time. Only animation tracks can display function
curves. You can edit the curves using tangency
handles on the keys to change the shape of the
cur ve.
Keys displayed as function curves (Curve Editor)
Multiple curves can b e viewed simultaneously by
selectingtracksintheControllerwindow.Thisis
especially useful when using Multiplier or Ease
Curves. You can adjust the multiplier or ease curve
point tangencies and watch the final result in the
controller curve at the same time.
Time Ruler
The time ruler measures time. Markings on the
ruler reflect the settings in the Time Configuration
dialog. Move the time ruler up to the keys for more
accurate key placement.
Time ruler
Track V iew Time Slider
The c urrent time is indicated by the Track View
timeslider. Thisisdisplayedasasetofblue
vertical lines synchronized with the position of
theviewporttimeslider.YoucanmovetheTrack
View time slider by dragging it in the Key window.
Moving either time slider updates the animation
in the viewports . The blue time slider also serves
as a scale or igin point w hen scaling keys in time.
Scale keys using time slider
Scale Values Origin Line
When yo u choose to scale key values (that is,
scaling in space rather than time), a horizontal
orange line appears at the 0 value on the vertical
graph axis. This orange line is a sca le values origin
indicator, which you can move verticall to use as a
reference point for scaling values.