From the course: After Effects Compositing: 6 Tracking and Stabilization

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Easily select a good track

Easily select a good track

- In this lesson we'll use motion tracking to match this racing stripe to this fast moving automobile. Now I'll grant you that the linear motion and steady stay of the background car would make it a candidate to just hand animate this, but I want to use this car as an example because of how tricky it is. Let's take a look. So here is is the car layer, and as you can see, if I set a track point by just clicking Track Motion here in the Tracker panel. There's nothing that's going to fit in that tracker that fits our criteria. Now, if you don't already know what I mean, let me explain, there are three basic criteria you want when tracking. One: you want the point that you choose to be coplanar to your target. Now, it should go without saying that I don't want to set my target over here to the rear spoiler, that is not planar or local to where I'm placing the racing stripe. So the problem is one of parallax. I'll show you what I mean actually using the front of the car. Now, in case you…

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