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Compositing Visual Effects in After Effects by Lee Lanier

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CHAPTER 4

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Transforming and Motion Tracking

There are many opportunities to apply animation inside a compositing program such as After Effects. That is, you’re not limited to the motion contained within imported renders or footage. You can animate the layer transforms, which include position, rotation, and scale. When transform animation is present, you can activate motion blur to mimic the way a real-world camera captures its images. You can also add motion by motion tracking. Motion tracking captures the movement of features within footage and applies that motion to nonmoving layers (Figure 4.1). This creates the illusion that the affected ...

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