Adobe AFTER EFFECTS 5.5 Help Manual page 140

Adobe After Effects Help
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Layer In-point holds the layer's current starting time, and time-stretches the layer by
•
moving the Out point.
Current Frame holds the layer at the position of the current-time marker (also the frame
•
displayed in the Composition window), and time-stretches the layer by moving the In
and Out points.
Layer Out-point holds the layer's current ending time and time-stretches the layer by
•
moving the In point.
To time-stretch a layer to a specific time:
1 In the Timeline window, move the current-time marker to the frame where you want
the layer to begin or end.
2 Display the In and Out panels in the Timeline window by choosing Panels > In and
Panels > Out from the palette menu.
3 Do one of the following:
To stretch the In point to the current time, press Ctrl (Windows) or Command (Mac OS)
•
as you click the In time for the layer in the In panel.
To stretch the Out point to the current time, press Ctrl (Windows) or Command (Mac
•
OS) as you click the Out time for the layer in the Out panel.
Keeping keyframes intact when time-stretching a layer
When you time-stretch a layer, the positions of its keyframes stretch with it by default. You
can circumvent this behavior by cutting and pasting keyframes.
To time-stretch a layer but not its keyframes:
1 Make a note of the time at which the first keyframe appears.
2 In the layer outline, click the name of one or more layer properties containing the
keyframes you want to keep at the same times.
3 Choose Edit > Cut.
4 Move or stretch the layer to its new In and Out points.
5 Move the current-time marker to the time at which the first keyframe appeared before
you cut the keyframes.
6 Choose Edit > Paste.
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Fine-tuning Animation
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