Offset tracking

Unlike the last recipe, sometimes the point you want to track isn't so easy. In fact, the point you need might become obscured by an object in the foreground for a series of frames or even end up going offscreen. For this, the Analyze Motion behavior gives us an option to offset our tracker with the click of a button.

Getting ready

Under the exercise files relating to this chapter, double-click on the 09_03 project. Playback the project and notice it's where we left off in the last recipe. Now we would like to analyze another ball's movement in the clip and attach some text to it as well.

How to do it...

We'll begin this recipe by analyzing some motion in our image first.

1. Select the video clip in the Layers tab. Press Command + 2 to go to the Library. Go to Behaviors | Motion Tracking | Analyze Motion. Click on Apply at the top of the Library. The behavior is added to the clip.

2. Rename the new behavior orange analyze. Rename the other to green analyze.

3. Make sure the Analyze Motion...