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VISWS

       SUBROUTINE  VISWS (EF, Z, J1,J2,NP, I1,I2,NT, L,M, B, O, PR2, PL2)
 C$    (Waterlevel Sequence)
 C$    EF(NP,NT)......Array of function values.
 C$    Z..............Waterlevel.
 C$    (J1,J2)........Interval of PHI indices to be graphed.
 C$    (I1,I2)........Interval of THETA indices to be graphed.
 C$    L..............+1 = western view,  -1 = eastern view.
 C$    M..............+1 = southern view, -1 = northern view.
 C$    B..............(ATAN2 cut line does not fall in quadrant
 C$                    being graphed).
 C$    O(3,3).........Orthogonal rotation matrix.
 C$    PR2............Projection subroutine.
 C$    PL2............2-D pen movement subroutine.
 C$    (09-APR-82)