Apple Motion 2 - Manual (Page 204)

204 Chapter 2 Creating and Managing Projects
Note: If you hide one or more objects within a layer, the enclosing layer’s Activation
checkbox shows a dash, instead of a checkmark, to show that its objects are only
partially visible.
You can “solo” an object or layer in order to hide all other objects in the project. This
can be useful when you want to isolate a single object in the Canvas to animate or
manipulate without interfering with other objects in your composition.
To solo a layer:
1 Select one or more objects or layers to solo.
2 Choose Object > Solo (or press Control+S).
Note: You can also Control-click an object in the Layers tab, then choose Solo from the
shortcut menu.
All other objects or layers are deactivated. When the selected item is soloed, the menu
item has a checkmark beside it.
Fixing the Size of a Layer
By default, the size of a layer is determined by the objects within that layer. Since
animated objects often grow in size, a layer can become quite large. In the Layer tab of
the Inspector, you can constrain the size of the layer to a certain width and height.
Dashed checkbox
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