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PLTEU

       SUBROUTINE  PLTEU (O,E1,E2,E3)
 C$    (Euler Angles)
 C$    Construct an Euler angle rotation matrix, O = R1*R2*R3.  R1
 C$    and R3  are counterclockwise  rotations  in the  X-Y  plane
 C$    through angles E1 and E3 respectively.  R2 is a rotation in
 C$    the Y-Z plane through  the counterclockwise angle E2.   The
 C$    arguments are:
 C$
 C$    O(3,3).........Matrix in which rotation is stored.
 C$    E1,E2,E3.......Euler angles (degrees) of rotation.
 C$    (09-APR-82)