15.64.52.5  ORIENTATION  - This is an integer value from 0 to 3 specifying
the orientation of the plot.
    ***  0 Normal orientation
    ***  1 Rotated 90 degrees clockwise.  This is the same as sideways.  X
         goes from top to bottom, while Y points to the right.
    ***  2 Rotated 180 degrees or Upside down
    ***  3 Rotated 270 degrees clockwise, appropriate for TeX