CameraTracker allows you to extend an existing set of tracking data by adding new frames, such as when more frames become available from a shoot.
To add new frames to your tracking data:
| 1. | Read the new frames into Nuke using the Read node's frame range controls. |
| 2. | Open the CameraTracker properties panel and click Update Track. |
A dialog displays allowing you to set the frame range to update.
| 3. | Set the required frame range and click OK. |
CameraTracker tracks the specified range and combines the tracking data with the existing tracks.
For example, if your original AutoTracks > num tracks curve appeared as shown on the left, the image on the right represents the new tracking data after the update is complete.
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| Original frame range track data. | Updated track including the extended frame range. |
TIP: If the transition between the ranges seems abrupt, you can retrack the frames around the join using the method described in Retracking Partial Frame Ranges.
| 4. | Proceed to Solving the Camera Position. |