In this week’s Nuke lesson, we focused on 3D camera tracking, where the camera is set to the same camera that was used to shoot the original video, so that the view in Nuke will look the same after tracking. I used the CameraTracker node, inputting the details of the camera that was used, then the number of tracks (features) we wanted , and then the number of tracks (features) we wanted.
For 3D tracking first we need to create a CameraTracker. then adjust the raw camera data. The number of tracking points is set and then they are tracked. Once the tracking is complete we resolve the tracking points and create a scene. 3D tracking is automatic so it is easy to track. After tracking we can identify things like floors, walls etc. by determining the tracking points so that we can better add 3D models to the scene later.
I added an origin and ground plane with the points, this ensured the tracks were organised and correctly placed. Then I created cards for for the walls and ground, and merged them over the scene.