DrawFOV:

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   Draw fields of view.
   Type DrawFOV for a demo which draws two fields of view.
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   Form:
   DrawFOV( f, l, axesHandle )
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   ------
   Inputs
   ------
   f           (:)   FOV data structure
                     .r    (3,1) Location
                     .b    (3,1) Unit boresight vector
                     .fOV  (1,1) Angle (rad)
   l           (1,1) Length
   axesHandle  (1,1) Handle of axes to draw on, or else makes new figure.

   -------
   Outputs
   -------
   None

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Children:

Common: Graphics/Frustrum
Common: Graphics/NewFig
Common: Graphics/XLabelS
Common: Graphics/YLabelS
Common: Graphics/ZLabelS
Common: Quaternion/Q2Mat
Common: Quaternion/U2Q
Math: Linear/DupVect