BConeClock:

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   Compute a rotation matrix for cone and clock from the reference frame
   assuming that clock is measured about the X axis from the Y axis.
   Cone is then a rotation about the new Z axis.

   B = cone|z * clock|x

   Since version 7.
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   Form:
   B = BConeClock( cone, clock )
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   ------
   Inputs
   ------
   cone          (1,:) Cone angle (rad)
   clock         (1,:) Clock angle (rad)

   -------
   Outputs
   -------
   B             (3,3) Transformation matrix

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Children:

Common: Transform/Eul2Mat