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Chapter 7. Properties and Keyframes > Animating Layer Properties with Keyframes

Animating Layer Properties with Keyframes

To produce animation, you change a layer's properties over time—for example, achieving motion by changing a layer's position in time. In After Effects (as with other programs), you use keyframes to define and control these changes.

A keyframe defines a property's value at a specific point in time. When you create at least two keyframes with different values, After Effects interpolates the value for each frame between. In other words, After Effects calculates how to create a smooth transition from one keyframe to another—that is, how to get from Point A to Point B (Figure 7.43).


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