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Automatic Tracking

Calculating tracks automatically uses the tools above the Viewer to control the direction and range of frames to track. Tracking backwards can produce a better track than going forwards if the pattern is clearly visible later in the clip. By default, Auto-Tracking grabs the reference pattern on the first frame of the sequence, from within the pattern anchor, using this pattern throughout the track for comparison between frames.

To help avoid clutter in the Viewer, you can enable or disable the Tracker overlay by right-clicking in the Viewer and selecting Overlay, or by pressing O to toggle between the available states:

• overlay off

• overlay on

• overlay on, no animation path

NOTE:  Frame by frame updates in Nuke’s interface can be expensive, and real-time playback can suffer as a result.
The optimize Viewer during playback button in the Viewer tools stops updates elsewhere on the interface during RAM cache playback, helping to optimize the playback frame rate.
See Using the Viewer Controls in the Nuke Getting Started Guide for more information.