User Guide

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Effects
Luminance Key
The Luminance Key operates with an image’s luminance signal, i.e. the various gray scales of a
picture. Luminance keying is not only useful for gray-scale and b/w graphics and pictures, but
also for images with high brightness contrasts.
Luminance Key
The Threshold, Cutoff, Key Transparency and Foreground sliders described below are only
active if Linear is selected under Graph Mode (see Graph Mode below).
The following controllers are used for defining both points of the curve in linear graph mode.
When you move one of the sliders, the curve is automatically adjusted.
Linear
Graph Mode
Point B
Point A