From the course: VFX Techniques: Building Replacement with After Effects
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Applying artwork to a tracked null - After Effects Tutorial
From the course: VFX Techniques: Building Replacement with After Effects
Applying artwork to a tracked null
We've created a whole bunch of 3D tracking points which you can see right here. And you'll see these as long as the 3D Camera Tracker effect is highlighted in the Effects Controls panel. So let's do something with these points. Our first task is going to be to attach a billboard to this side of the building in the foreground. So what we have to do is select some points and then attach a null to that. Again, there is two ways to select points; manually where you click them or simply by dragging your mouse until you get a target between sets of three. Now again the target needs to line up in such a way that it looks like it has a correct perspective. So you can see that some of these points are not so good and some are better. Now in fact these three right here, if I zoom in, you can see make a good target that looks like it's on the side of building. And in fact this is a great place to put that billboard. So once you have these three points highlighted or a three similar points, you…
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Contents
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Applying the 3D Camera Tracker7m 24s
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Applying artwork to a tracked null9m 26s
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Constructing the motion graphics7m 19s
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Refining the motion graphics8m 8s
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Tracking a new sky4m 57s
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Tracking static foreground elements8m 13s
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Tracking additional foreground elements6m 26s
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Finishing tracking the foreground elements6m 56s
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