From the course: After Effects Compositing: 4 Color Keying

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Set up a simple sky replacement in 32 bits per channel

Set up a simple sky replacement in 32 bits per channel - After Effects Tutorial

From the course: After Effects Compositing: 4 Color Keying

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Set up a simple sky replacement in 32 bits per channel

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- Extract is a useful tool for a sky replacement because skies have a lot in common no matter what they look like. They all are in more or less the same color space if they're going to match the shot at all. Now obviously right now we see some pretty heavy-duty matte lines going on here. Rather than manage those and try to get them to match this sky my suggestion is to get this sky to match the shot and then adjust the entire thing together as if it were one. Let me show you what I mean. So this is something you might not initially want to do or instinctively want to do but I'm going to actually kind of ruin this nice contrasty sky and notice that it actually is now better comped with this scene. Now the question is will the shot ever look any good? I can still see the matte lines. I can be so aggressive with this that they actually basically disappear. And let's try that as a starting point. The key is going to be to add a color correction to bring this back. We'll do that with an…

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