Apple Shake 4 - Manual (Page 450)

450 Chapter 15 Image Processing Basics
The following is a sample tree:
There are two exceptions:
• Keylight allows you to key, color correct, and composite in log color. Simply toggle
the colourSpace control to log.
• Ultimatte preserves float data. No tricks necessary.
Applying gentle pressure to the plug-in manufacturer to support float images is also a
nice alternative, but less productive in the short run.