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

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Apply a 3D track - After Effects Tutorial

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

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- So all we've really done at this point is get this 2D layer, a big green square, to match the motion of the wall. So the shot is not done until we swap in some other piece of artwork. So let's add this rainbow that arches across the frame, right now in 2D, to the motion of the scene. Obviously the first thing to do is make this 2D layer a 3D layer. And that brings you to the scene but at the wrong position, it's kind of bouncing around over here on the left side of frame somewhere near our camera. There's a quick way to fix that in any scene when you have a reference solid like this, I don't need to even see the solid but I'll leave it on for one more moment. And hold down the option key while I pick whip from the rainbow layer to that solid layer. So now, the two layers have the exact same transform data, so specifically, orientation matches, which means they both align to the back wall. You can see though that the rainbow numbers are all zero so I'm going to actually turn off…

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