To Turn The Transparency Grid On Or Off; Changing The Region Of Interest; Timeline Panel; About The Timeline Panel - Adobe AFTER EFFECTS 7.0 Manual

See also
"To create a solid-color layer" on page 150
"Organizing a project using nesting" on page 60

To turn the transparency grid on or off

You can toggle a transparency grid on or off (like the grid that Adobe Photoshop uses to indicate transparency).
❖
Choose Transparency Grid from the Composition panel menu, or click the Toggle Transparency Grid button
at the bottom of the Composition panel.

Changing the region of interest

Use the Region Of Interest button to create a rectangular preview of the Composition panel. Reducing the region of
interest requires less memory when previewing, thereby improving interaction speed and increasing RAM preview
duration. Changing the region of interest does not affect file output.
You can permanently change the size of your composition by cropping it to the region of interest.
To change the region of interest
❖
In the Composition panel, do any of the following:
•
To draw a region of interest, click the Region Of Interest button
area of the Composition panel where you want images to appear.
•
To toggle between viewing the region of interest and the full composition area, click the Region Of Interest button
again.
•
To start over with the marquee tool, hold down Alt (Windows) or Option (Mac OS) and click the Region Of
Interest button.
To crop to the region of interest
1 Click the Region Of Interest button
where you want images to appear.
Choose Composition > Crop Comp To Region Of Interest.
2

Timeline panel

About the Timeline panel

Use the Timeline panel to animate layer properties and set In and Out points for a layer. Many of the Timeline panel
controls are organized in columns of related functions.
By default, the Timeline panel contains a number of columns and controls. Optional columns are also available.
Note: All layer switches move together—you can move the entire switches column to a different position between other
columns, but you can't rearrange the switches within the column.
, and then drag the marquee tool across the area of the Composition panel
, and then drag the marquee tool across the
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User Guide