5

To delete a group, layer, or effects object track
1 Select the group, layer, or effects object in the Timeline layers list.
2 Press Delete.
You can also Control-click an object, then choose Delete from the shortcut menu.
All of the operations just described can also be performed with multiple tracks. For
example, rather than just moving one object from Group 1 to Group 3, you can select
two or three objects in Group 1 and move them all at once.
To select more than one group, layer, or effects object track
µ
Command-click to select tracks in the Layers list.
Adding Layers to the Track Area
When you drag a new media item into the track area, a drop menu appears with options
for how the new layer should be incorporated. Depending on where in the track area
you drop the item, the menu displays different options. If you drag to a group or layer
track in the track area, you can choose Composite, Insert, or Overwrite. An additional
Exchange option becomes available when you exchange the same type of media (such
as a QuickTime movie, an image sequence, or an image file). For example, the Exchange
menu item is displayed when you drag a QuickTime movie onto another QuickTime
movie’s track.
Library effects (behaviors, filters, and so on) can also be dragged into the Timeline track
area. However, because effects objects are applied to media layers (images, clips, audio,
and so on), they cannot be grouped by themselves.
Note: As previously discussed, you can also drag media items to the Timeline layers list.
For more information, see Adding Objects to the Timeline Layers List.
When you add a media item to a project via the track area, a new layer appears in the
Timeline layers list. The new layer can appear above or below an existing layer; where
you release the mouse button determines placement of the new layer.
331Chapter 8 Using the Timeline