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A basic After Effects workflow follows six steps: importing and organizing footage, creating compositions and arranging layers, adding effects, animating elements, previewing your work, and rendering and outputting the final composition so that it can be viewed by others.
An After Effects project is a single file that stores references to all the footage you use in that project. It also contains compositions , which are the individual containers used to combine footage, apply effects, and, ultimately, drive the output. When you begin a project, often the first thing you’ll do is add footage to it. 3 Choose File > Import > File.
A footage item is the basic unit in an After Effects project. You can import many types of footage items, including moving- image files, still-image files, still-image sequences, audio files, layered files from Adobe Photoshop and Adobe Illustrator, other After Effects projects, and projects created in Adobe Premiere® Pro. You can import footage items at any time. 5 Double-click in the lower area of the Project panel to open the Import File dialog box.
The next step of the workflow is to create a composition. You create all animation, layering, and effects in a composition. Compositions include one or more layers, arranged in the Composition panel and in the Timeline panel. Any item that you add to a composition—such as a still image, moving-image file, audio file, light layer, camera layer, or even another composition—becomes a new layer. Simple projects may include only one composition, while elaborate projects may include several compositions to organize large amounts of footage or intricate effects sequences.
To create a composition, you’ll drag the footage items into the Timeline panel, and After Effects will create layers for them. 2 Drag the selected footage items into the Timeline panel. The New Composition From Selection dialog box appears.
3 Click OK to create the new composition.
The footage items appear as layers in the Timeline panel, and After Effects displays the composition
When you add a footage item to a composition, the footage becomes the source for a new layer. A composition can have any number of layers, and you can also include a composition as a layer in another composition, which is called nesting.
Layers are the components you use to build a composition. Any item that you add to a composition—such as a still image, moving-image file, audio file, light layer, camera layer, or even another composition—becomes a new layer. Without layers, a composition consists only of an empty frame.
Using layers, you can work with specific footage items in a composition without affecting any other footage. For example, you can move, rotate, and draw masks for one layer without disturbing any other layers in the composition, or you can use the same footage in more than one layer and use it differently in each instance. In general, the layer order in the Timeline panel corresponds to the stacking order in the Composition panel.
In this composition, there are five footage items, and therefore five layers in the Timeline panel.
4. Click the Source Name column title in the Timeline panel to change it to Layer Name.
As soon as you create a composition, the tools in the Tools panel in the upper left corner of the After Effects application window become available. After Effects includes tools that enable you to modify elements of your composition. Some of these tools—the Selection tool and the Hand tool, for example—will be familiar to you if you use other Adobe applications, such as Photoshop. Others will be new. The following image identifies the tools in the Tools panel for your reference.
The time graph portion of the Timeline panel (the right side) contains a time ruler, markers to indicate specific times, and duration bars for the layers in your composition.