User Manual

Table Of Contents
Combining Power Windows
with the Mask Control
Adding multiple windows to a single node is an easy way to create composite keys. When
combining windows, the Mask control defines whether one window adds to another window, or
subtracts from that window.
In the following example, Circular and Curve windows have both been created, and each
window’s Mask control is also turned on (by default), resulting in both masks being added
together so that the sunset look correction affects both the sky and the woman’s face.
The two images show the combination of the key mattes
By turning the Mask control of the Circular window off, the Circular window is
subtracted from the curve.
Turning off the Mask control of the Circular window
Now, the woman’s face is being protected from the aggressive sky treatment.
The two images show the result of subtracting the circular window
Chapter – 120 Secondary Windows and Tracking 2731