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DEM86

       SUBROUTINE  DEM86 (NIN,NOUT)
 C$    (DEM86 - Perspective Southeast View)
 C$    Demonstration for  the  general view program,  HIDGV.   The
 C$    surface represented  is the same one  used in DEM30, DEM31,
 C$    and DEM37, which is  the absolute value  of a function of a
 C$    complex variable with five poles located at the vertices of
 C$    a regular hexagon.
 C$
 C$    The feature illustrated   here  is   the combination of   a
 C$    perspective view matrix, computed at various eye distances,
 C$    with a southeast view matrix.
 C$    (08-FEB-90)