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B-4
Appendix B — Keyframe Facts
be modified. Those levels which are enabled but not delegated
will not be modified.
It is recommended that you do selective insertions of keyframes
by using the DELEGATES function. That is, that you only insert a
keyframe on a level if it has value. Extra keyframes get in the way
when it comes time to modify portions of the effect, especially if
keyframes are moved in time. In addition, using unnecessary
keyframes quickly deplete the keyframe pool (see the main
E-MEM menu for the number of available keyframes).
Keyframe Path Control
Tension, Continuity, and Bias Controls
The path that an effect takes between keyframes may be adjusted
through the
CURVE path type selection from the Keyframe Path
Menu.
If CURVE is selected, three soft knobs are provided to control the
three parameters of the vector. These are labeled: Tension,
Continuity, and Bias.
The adjustment of these controls can affect the keyframe path in
various ways. Interactions between the controls are numerous
and each will be described in the following paragraphs. You may
want to experiment with the interactions by adjusting the controls
in small increments.
In the following examples, a physical path is shown between three
keyframes. The first keyframe (KF1) is the upper left square; the
last keyframe (KF3) is the lower right square. The adjustments in
these examples are applied to the middle keyframe only (KF2).