Anatomy of a Marker
Markers (also called trackers) are the main tools you’ll use to track features in your footage, so before you start tracking, let’s understand what a marker is and what its parts do (see Figure 13.2).
Pattern area: This is the main part of the marker. The pattern is the area of the image in one frame that Blender (or you, manually) will look for in the next frame to track it. Usually, you should use some feature of the footage that is easy to recognize as the pattern’s center: a high-contrast area or a specific shape that is unique in the image. You can move the marker, rotate it, and scale it as always with G, R, and S. Also, ...
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