Composition Settings; Specifying Composition Settings; To Undo Composition Settings - Adobe AFTER EFFECTS 7.0 Manual

Add the new composition to the render queue.
Add To Render Queue
Arrange layers in a sequence.
Sequence Layers
Overlap layers from the footage.
Overlap
Control how layers in the footage overlap.
Duration and Transition

Composition settings

Specifying composition settings

When you create a new composition, it appears as a new item in the Project panel. Before you set up a new compo-
sition, determine the specifications of the final output. These specifications influence the composition settings you
choose for frame size, duration, frame rate, and pixel aspect ratio. Four factors determine composition settings:
•
The type of output you are producing
•
The specifications of the footage you will be working with
•
The requirements of any systems that will process the output that After Effects renders
•
The final delivery medium of the output
For best results, specify the composition settings at the beginning of your design process. After Effects bases certain
calculations on the composition settings, so changing settings such as frame size and pixel aspect ratio late in the
project can affect your final output. (However, you can override some composition settings when rendering. For
example, you might change the composition-frame size to a smaller image size when rendering.)
When you click the Advanced tab in the Composition Settings dialog box, you can change the anchor setting, adjust
the shutter angle for motion blur, specify when the shutter opens relative to the frame start, set precompose options,
and specify a rendering plug-in.
See also
"To change the frame rate of a sequence" on page 76
"To set the pixel aspect ratio for imported footage" on page 98
"About projects" on page 49

To undo composition settings

•
To undo composition settings immediately after closing the Composition Settings dialog box, choose Edit > Undo
Composition Settings.
•
To undo the settings after you've made other changes to the project, choose Edit > History > Undo Composition
Settings, and then choose Edit > History > Redo [action] for all changes you want to add back to the composition.
Note: You can sequentially undo as many as 99 of the most recent changes made, depending on how many undo levels
are set in Preferences. To set the number or undo levels, choose Edit > Preferences > General (Windows) or After
Effects > Preferences > General (Mac OS).
If you change the Composition Settings and then undo the changes to the Composition Settings, use the Redo
command to add back all of your changes.
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User Guide