From the course: After Effects Compositing: 5 Rotoscoping & Edges

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Decide what needs attention

Decide what needs attention - After Effects Tutorial

From the course: After Effects Compositing: 5 Rotoscoping & Edges

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Decide what needs attention

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- This one lesson and the section that follows it will save you hours of extra work when you translate this process to your own shots. It specifically will do this by demonstrating how to eliminate what doesn't need to be done, as you work in Roto. So I'm offering the process on this shot as well as this one, in order that you can apply it to breaking down your own shot. So in this shot, I already explained why we need to fully articulate the skater. The question is, is that necessary here? Our skater, within this little window we've created, can be seen to cross three basic obstacles. There's the first one here, barely visible. The next one here. And the third here. Let's start with the first which looks like by far the easiest. So here, we're going to use mask modes. And I'm also going to rely on paint later on. Let's start with an ellipse mask. I'll draw it right around that guy right there. And I'm gonna set it to Subtract, so Subtract, if it's on anything but layer number one…

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