use a tripod
The problem is its too close to a rotating camera that it fails to solve. I had
the same issue with an overhead camera crane shot. In the end it was only
tracking the floor and the result was equivalent to a rotate camera with
variable focal length. I've also had similar issues with non-nodal rotations
off remote cameras.
Obviously try a non-rotating solution otherwise I guess you'll have to post
track in the final CG to lock it off.
Howard
>________________________________
> From: robertmro <[email protected]>
>To: [email protected]
>Sent: Tuesday, 19 February 2013, 14:32
>Subject: [Nuke-users] Camera Tracking - Rotation
>
>
>An issue often comes up with my students when shooting plates for tracking.
>They will often stand with both feet anchored and pan the camera without
>taking any steps.
>My experience is that this can only be solved as a rotating camera. However,
>to my knowledge a rotating camera solve requires the camera to be mounted on
>lens node point using a tripod.
>The handheld rotating camera shots that I described, yields a solve that does
>not account for the fact that the lens is not on the nodal point. CG objects
>in the final comp slide against the background because of the parallax error.
>A free camera solve doesn't seem to work at all.
>
>What is the correct way to solve this type of shot?
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