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Any KEY layer with the Augmented Reality switch enabled is treated differently from a normal KEY layer in
several respects:
First, it does not merely appear above the main M/E layer composition you configure at left, as a
typical KEY channel would. Instead, it is treated like another main layer added above the standard
M/E layer rows.
Thus when you zoom or pan the M/E, the KEY layer zooms and pans right along with it, making its
content appear as though it were embedded in the scene (Figure 14-19).
(This lets you effectively add one or more virtual layers to a LiveSet composition at any time, with
complete control over positioning within the composition.)
With the associated Parallax setting at 0%, the KEY source is locked to the background formed by the
layers below it in a 1:1 relationship. When the ‘camera viewpoint’ changes, the KEY layer moves in
exactly the same amount and direction as the background.
Hint: You can use this ability to ‘pin’ a graphic element into a LiveSet.
Raising the Parallax value modifies the motion and of the Augmented Reality KEY layer during
panning and zooming, making it appear closer to the camera than subject matter behind it. This
enhances the impression of three dimensional depth.
Finally, note that TriCaster’s Tracker feature can also be used along with Augmented Reality and Parallax to
produce uniquely dynamic motion graphic compositions.
SECTION 14.8 COMPS
FIGURE 14-20
Different ‘virtual camera’ positions, along with other M/E attributes, can be stored in the Comp Bin associated
with each M/E.
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