The Nuke 3D Engine - Nuke 101: Professional Compositing and Visual Effects - page 406

To use all your nicely tracked data, you're going to use a Tracker node to apply
the motion.
5. Select RotoPaint1 and insert a Tracker node after it.
6. Close all Properties panels and empty the Properties Bin.
7. Double-click Tracker1 and double-click Reconcile3D1.
You should copy the animation values from Reconcile3D1 to Tracker1's track1
propertyratherthanjustlinktoit,whichIwouldnormallydo.Thisisbecausethe
Tracker node can be funny about linked data at times.
8. Shift-click and drag from Reconcile3D1's XY Output's Animation menu to
Tracker1's track1's Animation menu ( FIGURE 9.29 ) .
Figure 9.29. Copying the animation values from Reconcile3D1 to Tracker1
by holding Shift.