15.64.59.5  REDUCE|MAGNIFY   - These  change  the size of the plot without
changing the perspective.  REDUCE=0.5 or MAGNIFY=2 both increase the  size
by  a  factor  of  2.   The  SCRD  is  modified but not the DISTANCE.  The
magnification or reduction is limited to the range 1.0E-5 to 1.0E+5.