System information
Rotating forward or backward around the X axis
Rotating around the Z axis
5. Use the buttons at the top of the dialog to allow or prevent movement or scaling. See the Change
editing options heading in this topic for more information.
Right-click the workspace to display a shortcut menu that displays commands to restore,
center, or flip the selection box. You can also force the box to match the source media's aspect
ratio or your project's output aspect ratio. Matching the output aspect ratio can prevent black
bars from appearing when you use source media (such as photographs) that does not match
your project's aspect ratio.
6. The 3D track motion occurs instantly, and the results are updated in the Video Preview window.
7. Use the keyframe controller at the bottom of the Track Motion window to establish distinct track
motion settings throughout the duration of the track.
8. During playback, intermediate frames are interpolated to create smooth motion.
Expand the Keyframe interpolation heading on the left side of the window and drag the
Smoothness slider to adjust the interpolation. For more information about keyframe animation, see
"Keyframe Animation" on page 294.
Moving a group of composited tracks in the 3D space (applying parent motion)
1.
Click the Make Compositing Child button on the tracks you want to group to create a
compositing group.
2.
Click the Parent Composite Mode button on the parent track and choose 3D Source Alpha.
COMPOSITING VIDEO393