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LINA2 

       SUBROUTINE  LINA2 (X,Y)
 C$    (Line Absolute 2-D)
 C$    Draw a  line from  the current  point to  the point  (X,Y).
 C$    where both are measured  in world coordinates.  On  return,
 C$    (X,Y,CPZ,1.0) becomes the new current point.
 C$    (01-APR-82)

LINA3 

       SUBROUTINE  LINA3 (X,Y,Z)
 C$    (Line Absolute 3-D)
 C$    Draw a line from  the current point  to the point  (X,Y,Z).
 C$    where both are measured  in world coordinates.  On  return,
 C$    (X,Y,Z,1.0) becomes the new current point.
 C$    (01-APR-82)

LINA4 

       SUBROUTINE  LINA4 (X,Y,Z,H)
 C$    (Line Absolute 4-D)
 C$    Draw a line from the current point to the point  (X,Y,Z,H).
 C$    where both are measured  in world coordinates.  On  return,
 C$    (X,Y,Z,H) becomes the new current point.
 C$    (01-APR-82)

LINR2 

       SUBROUTINE  LINR2 (DX,DY)
 C$    (Line Relative 2-D)
 C$    Draw a line segment from the current point to a new current
 C$    point displaced from  the old  one by  the relative  vector
 C$    (DX,DY,0), both points being measured in world coordinates.
 C$    (01-APR-82)

LINR3 

       SUBROUTINE  LINR3 (DX,DY,DZ)
 C$    (Line Relative 3-D)
 C$    Draw a line segment from the current point to a new current
 C$    point displaced from  the old  one by  the relative  vector
 C$    (DX,DY,DZ),   both   points   being   measured   in   world
 C$    coordinates.
 C$    (01-APR-82)

LINR4 

       SUBROUTINE  LINR4 (DX,DY,DZ,H)
 C$    (Line Relative 4-D)
 C$    Draw a line segment from the current point to a new current
 C$    point displaced from  the old  one by  the relative  vector
 C$    (DX,DY,DZ,H),  both   points   being  measured   in   world
 C$    coordinates.
 C$    (01-APR-82)