User guide

KeylightThe Foundry
TUTORIAL
36
Tutorial 1: Simple Key
5. The Keylight effects dialog panel displays showing the Keylight property
page. An example is shown in
Figure 64.
Figure 64. Keylight PPG
6. Before doing anything else you should select the screen colour. In this
case it is the blue screen through the car windows. Click and drag a small
rectangle on the blue screen.
A good place to pick is the blue from the back windscreen as this has no
reflections. Picking this blue will key the back windscreen perfectly leav
-
ing reflections in the side window. See Figure 65.
Figure 65. Pick the blue from the back windscreen.
7. That’s it. In many cases this is all you will need to do to perform a key,
since selecting the screen colour creates a matte and despills the
foreground. The final composite is shown in
Figure 66 on page 37.