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Keying in After Effects CS3

Article Description

Does the idea of keying conjure up images of a meteorologist on the evening news, or a shooting technique used in motion pictures? With After Effects, even the simplest, least-expensive project can take advantage of keying. The Adobe Creative Team takes us through a step-by-step example of this technique.

Changing the Background Color

The default background in After Effects is black, which makes it hard to see holes or other errors when pulling a key. So you'll start by changing the background to something other than black or white. In this exercise, you'll use orange.

  1. Choose Composition > Background Color or press Ctrl-Shift-B (Mac OS: Command-Shift-B).
  2. Click the color swatch and select a bright orange hue, such as RGB 255, 200, 0 (see Figure 3). Then click OK to close the Color Picker, and OK again to close the Background Color dialog box.
4. Adding the Foreground Subject | Next Section Previous Section