a hard edge. Shaped Key alphas are sometimes used with
Character Generators to cut very precise holes for the
ll.
Split Key
A Split key allows you to assign a different alpha source
for a key than the ll/alpha associations that are set up
during conguration or to use a separate alpha source
for a Self key.
Tally
An indicator which illuminates when the associated
button, or control, is selected or is on-air.
Unshaped Key
A multiplicative key where the Key Alpha cuts a hole
based on the gradient values of the alpha. Shades of gray
are translated into transparency levels, giving the key a
soft edge. Unshaped Key alphas can also be considered
true linear alphas. Key alphas are set to unshaped by
default.
60 • Glossary — Graphite Operation Manual (v1.1)
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