Apply Tracking Data to an After Effects Mask for Rotoscoping

Laurie Knapp with a quick tip where she looks at applying tracking data to a mask shape in After Effects to save some time when doing roto work.

Laurie Knapp notes: “In AE, you can’t apply a track to a mask shape. But sometimes, you really want to. In this example, I needed to get rid of a background light that showed up in a chromakey. Because of the nature of the key, using roto and paint were not precise enough because I had to work frame-by-frame. What I needed was to make one mask, and then track it to the movement of the subject.”

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