The background plate (because we needed to fake a pan across a city skyline) is a really high-resolution panoramic shot of Singapore by Erwin Soo from Wikipedia. Our green screen shots in this instance came from the excellent free green screen library at Hollywood Camerawork. Uncompressed shots make for better composites, but for the purposes of a demo, we’ll take what we can get. They tend to be professionally shot which is a boon but are usually compressed which is not. There are plenty of examples around the web of shots you can play with. Then you have the background plate which is the bit you want to show through the green bits of the foreground, making the whole thing look as though the background and foreground were filmed at the same time. You have the foreground plate and the green screen bit with an actor filmed in front of a green screen. Obviously, to get the best green screen composites you have to shoot good “plates.” “Plates” are the main bits of the shot that you bolt together in movie visual effects. In this article we give you an introduction to node-based compositing and show you how to do a basic green screen composite shot with Blender.
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