[vtkusers] Setup vtk camera by result of POSIT algorithm

[zlf]

Hi,

I am trying to estimate camera position by POSIT alogrithm. The posit
alogrithm procedures focal length, camera rotation matrix(3x3) and camera
translation matrix(3x1).

http://opencv.willowgarage.com/wiki/Posit

However, I do not know how to translate them into vtk camera parameter
(Camera Position, Focal Position, ViewUp, Angle of View).

Regards,

zlf



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