Apple Motion 4 - Manual (Page 389)

To jump to the next keyframe
Do one of the following:
µ
With the animated object selected, press Shift-K.
µ
With the animated object selected, choose Mark > Go to > Next Keyframe.
To jump to the previous keyframe
Do one of the following:
µ
With the animated object selected, press Option-K.
µ
With the animated object selected, choose Mark > Go to > Previous Keyframe.
For information on displaying keyframes in the Timeline, see Timeline View Options .
In addition to simply moving to new positions in the ruler, you can navigate directly to
objects within the Timeline, such as objects, markers, and keyframes. For more information
on markers, see
Adding Markers . For more information on keyframes, see Keyframes and
Curves .
To jump directly to the beginning or end of an object in the Timeline
1 Select the object you want to navigate to.
2 Do one of the following:
• Choose Mark > Go to > Selection In Point or Selection Out Point.
• Press Shift-I (for the In point) or Shift-O (for the Out point).
Defining the Play Range
Ordinarily, clicking the Play button plays your project from the first frame until the last.
However, you can change the area of your project Motion plays by modifying the In and
Out points in the Timeline ruler. You might do this to focus on a particular section as you
fine-tune your project or make other changes to it. Once you’re done focusing on that
section, you can reset the In and Out points to the beginning and end of your project.
New In point New Out point
To customize the playback In point
Do one of the following:
µ
In the ruler, drag the In point marker from the left edge of the ruler to the frame where
you want to set the In point. As you drag, the playhead also moves with your pointer.
When you release the mouse button, the playhead snaps back to its previous position.
µ
Choose Mark > Mark Play Range In.
µ
Press Command-Option-I.
389 Chapter 8 Using the Timeline