Working with Keyframes
in the Timeline
You can edit and adjust keyframes in two
areas of the Timeline:
Clip Keyframes area: The Timeline
keyframe area can display any or all of
these four effects tools: The Filters bar,
the Motion bar, a compact keyframe
graph, and the clip speed indicator. These
keyframing tools are hidden by default.
Keyframe overlay: These graphs are
overlaid on top of the track display in the
Timeline. Video clips display clip opacity
levels; audio clips display volume level
and stereo pan position.
To show or hide the Timeline Clip
Keyframes area:
In the Timeline, click the Clip Keyframes
control (located in the lower-left corner)
to display the Timeline keyframe area
(Figure 14.21).
Keyframes are displayed in a clips
keyframe graph and on the Filters and
Motion bars.
To customize the Clip Keyframes
area display:
1.
Control-click the Clip Keyframes control.
The Clip Keyframes display shortcut
menu appears (Figure 14.22).
2.
Choose Audio or Video, then from the
Audio or Video submenu, choose one of
the following:
Select an area to toggle its visibility:
Checked areas are visible; unchecked
areas are hidden.
Choose Select All to show all four areas.
Choose Select None to hide all four
areas.
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Compositing and Effects Overview
Working with Keyframes in the Timeline
Figure 14.21 Click the Clip Keyframes
control, and the Timeline tracks expand
to display the Timeline keyframe area.
Figure 14.22 Control-click the Clip Keyframes control
to access the Clip Keyframes display shortcut menu.
Use the shortcut menu selections to show or hide
keyframe area elements.
To display keyframes for a selected
effect’s parameter in the keyframe
graph:
1.
In the Timeline, Control-click a clips
keyframe graph to access its shortcut
menu (Figure 14.23).
2.
From the list of all the parameters for
each effect currently applied to the clip,
choose the name of an effect parameter
to display its keyframes in the clips
keyframe graph.
To display keyframes for a selected
effect’s parameter in a Filters bar or
Motion bar:
1.
In the Timeline, Control-click the Filters
or Motion bar to access its shortcut
menu (Figure 14.24).
2.
From the list of all the parameters for
each filter currently applied to the clip:
Choose the name of a parameter to
display its keyframes in the Timeline.
Choose a filter name to display all the
parameters for that filter.
Tips
Double-click a Filters bar or a Motion
bar with a Selection tool to open that
effect in the Viewer, with the correct tab
already displayed.
You can slide a whole set of keyframes
in a clips Filters and Motion bars. Use
the Selection tool to drag the bar, and
the keyframes will slide left or right
(Figure 14.25).
Any time you’re working with the Selection
tool, the fastest way to a Pen tool is to
press Option. The Selection tool switches
to Pen tool mode as long as you’re hold-
ing down the Option key.
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Chapter 14
Working with Keyframes in the Timeline
Figure 14.23 Control-click a clips keyframe graph to
access its shortcut menu, and then choose the name
of an effect parameter to display its keyframes in the
clip’s keyframe graph.
Figure 14.24 Control-click a clips Filters or Motion
bar to access and choose from a list of parameters
to display.
Figure 14.25 Slide a whole set of
keyframes in a clips Filters and Motion
bars by dragging the bar with the
Selection tool.
To adjust keyframe graph height:
1.
Position the Selection tool over the right
edge of the Timeline track control area.
The Selection tool turns into the Resize
pointer when it’s in position.
2.
Drag the Resize pointer up or down to
adjust graph height (Figure 14.26).
To move keyframes in the Timeline:
In the sequence clip’s Filters and Motion
bars, click and drag the effect keyframe
left or right to adjust its timecode location.
If snapping is on, the keyframe snaps to
other keyframes and markers to help you
align keyframes to particular points in
the sequence.
To display keyframe overlays in
the Timeline:
In the Timeline, click the Clip Overlays
control in the lower-left corner
(Figure 14.27).
To add an overlay keyframe to a track:
1.
From the Tool palette, select the Pen tool.
2.
On the selected clips overlay keyframe
graph, click where you want to place the
keyframe (Figure 14.28).
A new keyframe is added to the overlay.
Tip
Did you just add one keyframe too many?
Press Option, and your Pen tool toggles
to Pen Delete mode. Click on that extra
keyframe to delete it; then release the
Option key.
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Compositing and Effects Overview
Working with Keyframes in the Timeline
Figure 14.26 To adjust graph height, drag the Resize
pointer up or down in this narrow column on the right
edge of the Track control area.
Figure 14.27 Click the Clip Overlays
control in the Timeline window to toggle
the display of keyframe overlays.
Figure 14.28 Use the Pen tool to add a
keyframe to a clips keyframe overlay
graph.

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