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SECTION 14.4 INPUT POSITION CONTROLS
Position controls for all appear to the left of all input rows. Click this button to open
the input’s Position panel. These controls replicate those discussed previously, under
the sub-heading DSK Positioning in Section 9.4.1.
SECTION 14.5 DEFAULT EFFECTS
As mentioned, in Effect mode an M/E may support up to four input layers (TriCaster 8000, 860 and 460).
The M/E doesn’t transition between A and B in Effect mode. Instead, effects of various types are applied to
the selected video inputs.
Let’s consider the effects in the Default group as examples: Click the + sign shown when you move the mouse
to the effect icon located beside the effect duration. This opens the Media Browser. Select the effect group
labeled Default under the LiveSet location at left. With the exception of Advanced Tracking effects (supplied
with TriCaster 8000, 860, 460 only), these effects are straightforward compositing effects involving multiple
video layers. Effect output (i.e., the background prior to KEY overlays) is the sum of all input layers.
If the source assigned to input A is fully opaque, any content in the layers below is hidden. When input A is
at partially transparent, the source assigned to input B is blended into the M/E background layer, and so on.
Hint: Don’t overlook the fact that the input Position controls, including Borders, let you create very
elaborate compositions even with these ‘simple’ compositing effects.
The output of active KEY layers is then added to the effect output before passing the combined result onward
as the final M/E output.
ADVANCED TRACKER (TRICASTER 8000, 860, 460)
As we mentioned, effects can be ‘simple’ compositing effects, like most of the Default group, or more
advanced. Before considering TriCaster’s virtual set system (a.k.a, LiveSet™), let’s talk about some of the
other effect types. Effects can vary widely in their types, from relatively simple utilities effects to image
processing or advanced compositing effects.
For example, we mentioned that one member of the Default group is unique.
The Advanced Tracking effect takes three video sources as input to produce a result
that would otherwise require the use of an additional M/E.
Set up this effect as follows:
1. Click the label above the Effect icon, and use the Media Browser to select the
Advanced Tracking effect from the Default group.
2. Add the clip named Tracking Example.mov (NewTek>Green Screen group) to the
playlist for DDR 1.
3. Enable Loop mode for DDR 1.
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