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704 Chapter 21: User Interface
between the menu bar and the toolbars (do this in
an empty toolbar area).
Track bar displaying curves
Pr ocedur es
To select k eys on the track bar:
1.
Click a key to select it.
2. Drag a window around a selection of keys to
region-select multiple keys.
If the track bar right-click menu > Configure >
Show Selection Range option is on, when you
select multiple keys, the range of the selected
keysisshownintheselectionrangebaratthe
bottom of the track bar. You can then scale the
selected keys proportionally by dragging either
end of the selection range bar, or move the keys
by dragging the center of the bar.
To move or clone k eys on the track bar:
While keys are moved or cloned, small lines on
the track bar mark the orig ina l posit ion of the
keys. All keys at a particular frame are moved
simultaneously using the following procedures.
1. Drag a key selection to move it in time.
2. Hold down Shi ft , then drag a key(s) to clone
keys.
3. Right-click to abort a move or clone operation.
To move a single k ey from a frame with multiple k eys:
If, for example, a frame has both a transform key
and a material key for the selected object, and
onlythetransformkeymustmove,displaythe
TransformPropertiesdialogandusetheTime
parameter to move the t r ansform key.
1. Right-clickakeyonthetrackbarandchoosea
key on the pop-up window key list.
A Key Properties d ialog is displayed.
2. Change the Time parameter in the Key
Properties dialog.
The key slides a long the tr ack bar to a new
location.
To delete k eys on the track bar:
1.
Makeakeyselectiononthetrackbarandpress
Delete .
All selected keys are deleted.
2. Makeakeyselectiononthetrackbar,
right-clickanywhereonthetrackbartodisplay
the track bar menu, and t hen cho ose Delete
Selected Keys on the pop-up window.
All selected keys are deleted.
To delete a single k ey type on a fr ame with multiple
keys:
An object can have many keys for different
animated parameters at a particular frame.
Use this procedure to delete a key for a single
parameter.
1. Right-click over a selected or unselected key
on the track bar.
Apop-upwindowdisplays.
2. Move the mouse over D elete Key, then choose a
key to delete in the submenu.
To change the l ength of the active time segment:
You can change the animation length using t r ack
bar.