3D Camera Tracker Causes Object to be jittery

Question

I used the 3d Camera Tracker to track a drone shot with the plans to add text for it to fly through. After performing the tracker, the movement of the 3d camera is almost perfect. However, the text in its movement is not very smooth and kinda jittery. I have attached a clip to show what I am talking about. I know a decent amount about AE but by no means am I a professional. Any help would be very beneficial. Thanks!

Rick Gerard · Answer

Make sure you have Advanced Analysis checked and that you have the resolution set to full. When the new camera is solved set an origin and ground plane by choosing at least 3 trackers on a plane that makes sense for the ground then add a solid and a camera to the same trackers. Resize the solid to make it big enough to cover most of the surface you are tracking and add a Grid effect to the solid to make sure the track is good.

After you have done all of that set the solid as a guide layer and start picking surfaces to attach the other objects to the scene like Text layers. I don't ever add nulls because they are impossible to see in a preview but if you add solids you can then move any 3D layer to the same spot by holding down the Shift Key while you parent a layer.

If the Advanced Analysis doesn't fix the problem then we need to see the shot and your timeline so we can make other suggestions. Some shots just can't be tracked with AE's tools.

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