TRACKING AND ROTO
As a roto artist, your job is to find the quickest, most straight forward path to isolating your focus object; roto is mainly a frame-by-frame business. If there’s a way to create an accurate matte without manually creating key frames for your shapes, you should try to find that method.
Tracking elements of your footage and attaching that tracking data to your shapes is one way to expedite your workload. When you track an element in a shot, the resulting track gives us the horizontal and vertical data of that element. This tracking data is then translated by the computer into XY coordinates that can be applied to a shape. Said shape will then follow the position coordinates of the tracked element. Essentially, tracking your ...