From the course: After Effects Weekly

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Track matte with Colorama

Track matte with Colorama - After Effects Tutorial

From the course: After Effects Weekly

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Track matte with Colorama

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- [Instructor] Hey, everyone, Allan Stern here with your After Effects weekly dose and in this episode I'll show you a sky replacement technique using one of the old school effects in the application, Colorama. We are starting with this footage filmed by my friend, Yeron Purro and on top of it we have a 3D render frame of a cityscape buildings. My goal here is to composite this frame in the background behind the girl, which was shot without a perfect focus, as well as some heavy handheld camera shake. So, the first thing is to actually track the background which I've already did in advance and in order to show you what I did, I'm just going to fall down this triangle and underneath we can see the motion trackers where each holds one tracker with two points. In order to get access to this tracker and to apply it to our footage, I'm going to double click on the girl footage and this will open it up in the layer panel. Now we can actually see those two trackers. One of them is measuring…

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