System information
In the next example, clicking the Make Compositing Parent button on track 3 forces the track below (at
the same compositing level) to be rendered in 3D and composited as a 2D image.
Track 4 (green-and-gray checkerboard) now has the appearance of depth—the checkerboard tapers to a
vanishing point—but is inserted in the composited output as a 2D image at a depth of zero on the Z axis.
Track 2 is still rotated in 3D space.
In the next example, clicking the Make Compositing Parent button on track 3 again forces the track
below (at the same compositing level) to be rendered in 3D and composited as a 2D image. However, in
this case, the 3D rotation that was applied as parent motion on track 1 is not applied to tracks 3 and 4.
In the next example, all tracks are compositing parents. The 3D track on track 2 is on top, the 2D track in
track 3 is composited below track 2, and the 3D track in track 4 is composited below tracks 3 and 4.
398CHAPTER 16