Matrox Electronic Systems Matrox RT.X2 - Manual (Page 106)

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Chapter 4, Setting Up Realtime Effects with Adobe Premiere Pro
Creating a cube effect
The Matrox cube effect lets you map video or graphics to the faces of 3D cubes.
These cubes can then be rotated in 3D space to create transition effects such as
those you often see during sports broadcasts.
The Matrox cube effect supports up to three video sources (one primary source
that the cube effect is applied on, and up to two additional sources). If you want
to use additional sources in your cube effect, the additional source clips must be
placed below, and in the same segment as, the primary source. Each additional
source is identified by applying the
Matrox Source Identifier effect to the clip.
You must identify each additional source with a unique ID. To do this, click the
triangle beside
Matrox Source Identifier to expand the property list, and then
select an ID number from the Identify As list, as shown below. You can then
reference the ID number using the Additional Sources setting of the Matrox
cube effect.
° To set up a Matrox cube effect:
In the Effect Controls panel, click the triangle beside Matrox Cube to expand
the property list.
Matrox Cube Effect applied
to primary source
Matrox Source Identifier
effect applied to the first and
second additional sources
Select a unique ID number
for the additional source