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Chapter 15 Geometry 311
4 Click Manual Tracker to enter manual tracking mode.
When you enable manual tracking, the tracker onscreen control disappears.
5 Click a feature in the preview area that you want to track.
For example, if you were tracking someone’s face for vignetting later on, you might
click the nose.
Each click positions the onscreen tracker control manually, and then advances the
playhead one frame.
6 Click the same feature you clicked in the previous frame, as each frame advances,
until you reach the end of duration of movement that you wanted to track, or the
end of the shot.
As you add more manual tracking points, a motion path slowly builds following the
trail of the feature you’re tracking.
7 When you’ve finished manually tracking, stop clicking.
That tracker is ready to be assigned to a parameter elsewhere in your project.
Important: Don’t turn off the Manual Tracker button unless you want to delete all of
your manually tracked keyframes.