[vtkusers] Moving a camera round an object

[Bernd Böhm]

Hi there

I'm quite new to VTK thats why I need some help. I'd like to move a camera
around an objekt. I use the Interactor to move the camera from the start to
the endpoint. I use the PlaneViewNoraml vectors (GetPlaneNormal of vtkCamera)
to describe both positions and whant to calculate the ancle between both of
them. With this ancle I want to do the Azimuth.  Unfortunately the vector
coordinates I get are only from -1 to +1 and so the results aren't very helpful. I
need to get this vector in cathesian  koordinates. Does anyone of you how to
get them?

Cheers bernd

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