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Table Of Contents
1137Motion User Guide
Note: For four-point analysis, the trackers should be positioned in a clockwise order,
starting in the upper-left corner. This ensures the proper alignment of your element
when the transformation is applied.
3. In the Behaviors Inspector, click Add to add a second tracker, then drag the second
tracker (Track 2) to a reference pattern in the top-right corner of the background
element.
4. Add another tracker (Track 3), then drag it to a reference pattern in the bottom-right
corner of the background element.
5. Add another tracker (Track 4), then drag it to the reference pattern in the bottom-left
corner of the background element.
Note: To modify parameters for any of the trackers, position the pointer over the right
side of the track parameter row and click Show.
6. Click the Analyze button in the Behaviors Inspector or HUD.
The track is generated and its data is saved in the behavior.
7. Apply a Match Move behavior to the foreground element you want to corner-pin.
8. In the Match Move area of the Behaviors Inspector, click the Action pop-up menu (with
the gear icon), then choose the Analyze Motion track.
Doing so applies the Analyze Motion tracking data recorded in step 6 to the Match
Move behavior.
9. In the Match Move area of the Behaviors Inspector, click the Type pop-up menu, then
choose Four Corners.
The four-point tracking data from the Analyze Motion behavior is applied to the
foreground object.
Note: In a Match Move behavior with four-point tracking, trackers are placed in the
correct order (clockwise from the top left) in the canvas after you choose Four Corner
from the Type pop-up menu in the Behaviors Inspector.
Remove parallax from a 3D group
When you match move 3D groups that contain objects offset in Z space (depth), parallax is
simulated. Parallax is the apparent shift of an object against a distant background caused
by a change in perspective, such as a change in camera position. You can disable this
effect, if necessary, by doing the following:
• In Motion, select the Flatten checkbox for the tracked group in the Group Inspector.
The parallax effect is removed.