See also:
Step 5
Changing tracking bounds
Set the tracking bounds so that the range includes the whole composition. To do this, move the left (back) segment end to the zero frame, and the right (front) end to the last frame by clicking and dragging the tips of the segment bar:
The segment was not yet processed and by default its data layer will contain identity (that is, zero-motion) transformations. To see this, turn on the playback function: the billboard will move whereas the mask will be stationary.
