Hello,
I am trying to set a CameraVisualiser to set up a camera that follows a
mesh around the space. To do so I need a navigation data that is used as
the input of the camera visualiser. The problem is that the mesh movement *does
not come from a tracking system*. However, I know the position of the mesh
at each frame and also its orientation (a vector defining the axis the mesh
is looking at), so at each frame It should be possible to define a new
navigationData.
When I try to set the navigation data, the position is correctly placed
using *SetPosition(mitk::Point3D) *but I am confused about the orientation,
as it is represented by a quaternion on the method of
*SetOrientation(mitk::Quaternion)*. How can I represent the orientation in
a quaternion given a direction vector or the axis the mesh is aligned
(let's say, (0.5,0.5,0))?
Thank you very much,
Albert.
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