Applies to: Adobe After Effects About animation, keyframes, and expressions Animation is change over time. You animate a layer or an effect on a layer by making one or more of its properties change over time. Any property with a stopwatch button to the left of its name in the Timeline panel or Effect Controls panel can be animated. Stopwatch icons A. Inactive stopwatch You animate layer properties using keyframes, expressions, or both. Many animation presets include keyframes and expressions so that you can simply apply the animation preset to the layer to achieve a complex animated result.
You work with keyframes and expressions in After Effects in one of two modes: Layer bar mode is the default, which shows layers as duration bars, with keyframes and expressions aligned vertically with their properties in the Timeline panel. Graph Editor mode does not show layer bars, and shows keyframes and expression results in value graphs or speed graphs.
See The Graph Editor. Keyframes Keyframes are used to set The Best Way to Buy Infinite Skills - Video and Animation with Adobe Photoshop? for motion, effects, audio, and many other properties, usually changing them over time. A keyframe marks the point in time where you specify a value for a layer property, such as spatial position, opacity, or audio volume.
Values between keyframes are interpolated. When you use keyframes to create a change over time, you typically use at least two keyframes—one for the state at the beginning of the change, and one for the new state at the end of the change. See Set or add keyframes. When the stopwatch is active for a specific property, After Effects automatically sets or changes a keyframe for the property at the current time whenever you change the property value.
When the stopwatch is inactive for a property, the property has no keyframes. If you change the value for a layer property while the stopwatch is inactive, that value remains the same for the duration of the layer. See Auto-keyframe mode. If you deactivate the stopwatch, all keyframes for that layer property are deleted, and the constant value for the property becomes the value at the current time.
Change the The Best Way to Buy Infinite Skills - Video and Animation with Adobe Photoshop? icons in layer bar mode to numbers by choosing The Best Way to Buy Infinite Skills - Video and Animation with Adobe Photoshop?
Keyframe Indices in the Timeline panel menu. Keyframes as icons compared to keyframes as numbers Note: When a layer property that contains keyframes is collapsed, gray dots summary keyframe indicators for the property group show that there are keyframes contained within it.
You can create simple expressions by connecting properties with the pick whip. See About expressions. The Graph Editor The Graph Editor represents property values using a two-dimensional graph, with composition time represented horizontally from left to right. In layer bar mode, on the other hand, the time graph represents only the horizontal time element, without showing a graphical, vertical representation of changing values. For temporal properties, such as Opacity, the Graph Editor defaults to the value graph.
For spatial properties, such as Position, the Graph Editor defaults to the speed graph. For information on viewing and editing keyframe values, see View or edit a keyframe value.
In the Graph Editor, each property is represented by its own curve. You can view and work on one property at a time, or you can view multiple properties simultaneously.
When you drag a keyframe in The Best Way to Buy Infinite Skills - Video and Animation with Adobe Photoshop?
Graph editor with the Snap button selected, the keyframe snaps to keyframe values, keyframe times, the current time, In and Out points, markers, the beginning and end of the work area, and the beginning and end of the composition. Keyframes in Graph Editor mode may have direction handles attached to one or both sides. Direction handles are used to control Bezier interpolation. You can use the Separate Dimensions button at the bottom of the Graph Editor to separate the components of a Position property into individual properties—X Position, Y Position, and for 3D layers Z Position—so that you can modify or animate each independently.
See Separate dimensions of Position to animate components individually. Keyframes in the Graph Editor with direction handles Online resources about the Graph Editor Antony Bolante provides information, tips, illustrations about using the Graph Editor in an article on the Peachpit Press website. Specify which properties are shown in the Graph Editor Click the Show Properties button at the bottom of the Graph Editor, and select from the following options: This switch is next to the stopwatch, to the left of the property name, when the stopwatch is active—that is, when the property has keyframes or expressions.
Auto-Select Graph Type Automatically selects the appropriate graph type for a property: Edit Value Graph Displays the value graph for all properties. Edit Speed Graph Displays the speed graph for all properties. Show Reference Graph Displays the unselected graph type in the background for viewing only.
The gray numbers to the right of the Graph Editor indicate the values for the reference graph. Show Audio Waveforms Displays the audio waveform for any layer that has at least one property in the Graph Editor. In and Out points appear as curly braces. Show Layer Markers Displays layer markers in the Graph Editor, if they exist, for any layer that has at least one property in the Graph Editor.
Layer markers appear as small triangles. Show Graph Tool Tips Toggles the graph tool tips on and off. Show Expression Editor Shows or hides the expression editor field. Allow Keyframes Between The Best Way to Buy Infinite Skills - Video and Animation with Adobe Photoshop? Allows placement of keyframes between frames for fine-tuning animation. To activate the Hand tool momentarily when using another tool, press and hold the spacebar or the middle mouse button.
To pan vertically, roll the mouse scroll wheel. To pan horizontally, press the Shift key as you roll the mouse scroll wheel. To zoom in, click with the Zoom tool. You cannot pan or zoom vertically when Auto Zoom Height is selected. The horizontal zoom must still be adjusted manually. Fit Selection Adjusts the value vertical and time horizontal scale of the graph to fit the selected keyframes in the Graph Editor. Fit All Adjusts the value vertical and time horizontal scale of the graph to fit all of the graphs in the Graph Editor.
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