Apple Motion 4 - Manual (Page 371)

Motion has several features that help you modify the objects in the Timeline. You can
arrange your objects to begin and end at designated frames. You can also use powerful
alignment and timing tools, such as snapping and markers. You can also modify keyframes
in the Timeline. This section describes the various ways you can perform these actions.
Motion uses the terms move, trim, and slip to describe the different ways of editing
Timeline objects.
• Move: Changes the location of an object without affecting its content or duration.
• Trim: Changes the duration of an object without affecting its location or content.
• Slip: Changes the content of an object without affecting its location or duration.
Moving Objects
Move an object when you want it to begin and end at a different point in the project.
To move an object
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In the track area, click an object bar and drag left or right to move it in time.
A tooltip appears that identifies the new In and Out points of the clip, so you can drag
the clip to the frame you want. The delta symbol (the small triangle) indicates the number
of frames you are moving.
To move an object and snap it to neighboring items
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Press Shift as you drag the item in the Timeline.
Snap-to lines appear and the edges of the clip automatically line up precisely with these
lines.
Moving Objects to the Playhead
You can move an object to a new location in the Timeline by using the Move Selected
In (or Out) Point command. This command automatically shifts the position of the selected
object to the current playhead position and can be used to move and align multiple
objects in one operation.
To move an object to the playhead
1 Select the object you want to move.
2 Place the playhead at the point in the Timeline where you want to move the object.
371 Chapter 8 Using the Timeline