AngleOfView:

Path: Imaging/Optics

% Compute the angle of view.  Full-angle, not half-angle.

   If the imaging element is 2-dimensional it will compute two angles.

   Type 

   AngleOfView

   for a demo.

   Since version 8.
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   Form:
   alpha = AngleOfView( f, d )
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   ------
   Inputs
   ------
   f               (1,1) Focal length
   d               (2,1) Dimensions of film or imaging chip

   -------
   Outputs
   -------
   alpha           (2,1) Angle of view (rad)

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   Reference: http://en.wikipedia.org/wiki/Angle_of_view
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