Apple Motion 4 - Manual (Page 109)

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Click one of the “Set timeline row size” buttons at the bottom of the tab.
To change the width of the Timeline layers list
1 Position the pointer over the rightmost edge of the Timeline layers list.
2 When the pointer changes to the column adjust pointer, drag left or right.
Adding and Removing Groups
The Timeline has controls to add new groups and to remove existing layers from the
project.
To create a new group in the Timeline tab
Do one of the following:
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Click the Add button (+) in the upper-left corner of the tab.
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Choose Object > New Group (or press Shift-Command-N).
A new empty group is added at the top of the list.
You can also create new groups when dragging files to the Timeline tab from the File
Browser or Library. For more information, see
Adding Files to Your Project .
To remove an object from the Timeline tab
Do one of the following:
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Select the object you want to remove, then click the Delete button (–) in the upper-left
corner of the tab.
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Control-click the file you want to remove, then choose Delete from the shortcut menu.
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Select the file you want to remove, then choose Edit > Delete (or press Delete).
The object is removed. This action removes the object from the Canvas as well.
Using the Current Frame Field
Next to the Add button (+) and the Delete button (–), the Timeline tab also contains a
current frame field that can be used to navigate your project.
To move the playhead to a new time
Do one of the following:
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Click the current frame field, then type a frame number.
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Drag the current frame value slider to the left or right to advance or rewind.
109 Chapter 2 The Motion Interface