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648 Chapter 12: Animation
The vertical timeline.
If a clip has a time war p applied, time can be
distorted interactively in Time Warp mode: first
create seams in the clip, then dr ag the seams to
stretch or squeeze time.
Note the corresponding changes in the frequency
ofthetimeticksdownthecenteroftheclip.Time
warps are used to speed up or slow down a motion.
Weighting Controls
Theweightingcontrolsattherightmostendofthe
editor let you set the weight with which a clip or
track w il l be blended with other tracks w ithin the
same trackgroup.
When Weight Mode is turned on, weights can
be adjusted with a red weig ht curve on a clip or
track.
On a Layer tr ack, each clip has its own weight
curve. Each Transition track has one weight cur ve
for the entire track. By default, each weight curve
has a node at each end that can be moved to change
theweightatthatpoint.Clickontheweightcurve
toaddmorenodes,anddraganodetomoveit.
Weights can range f rom 0.0 (no weight) to 1.0 (full
weight).Theweightforthecurrentlyselectednode
appearstotheleftoftheWeightModebutton.You
canchangetheweightbymovingthenodeorby
changing the spinner value.
When you have mulitple weight no des selected,
and you use the spinner to set a new value, weight
node values are changed relative to their original
values. In this case, you can not spin t he spinner
lower than 0 or higher than 1 on any one spin. If
youhavemorethanoneweightnodeselectedand