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CONXC

       SUBROUTINE  CONXC (Z1,ZE,Z2, MX,MY, NX,NY, PL2)
 C$    (X Crosshatching)
 C$    Mark off the  region of a  plane in which  an array  stored
 C$    function lies within a selected interval.  Horizontal lines
 C$    are drawn whose position  corresponds to the array  points,
 C$    and whose  extent is  determined by  linear  interpolation.
 C$    The arguments are:
 C$
 C$    (MX,MY).....Actual declared dimensions of ZE(*,*)
 C$    ZE(NX,NY)...Data array
 C$    (Z1,Z2).....Interval to be marked
 C$    PL2.........2-D pen movement subroutine, perhaps PL2CA
 C$
 C$    (04-FEB-82)