Parameters

 Keyword  Position  Type       Description
 -------  --------  ----       -----------
   BOX       -      LOGICAL    specify box
      (Hidden default = N)
   CIRC      -      LOGICAL    specify circle
      (Hidden default = N)
   XC        -      REAL       centre of box or circle
   YC        -      REAL       if in keyboard mode
   XWID      -      REAL       box width
   YWID      -      REAL        "    "
   RAD       -      REAL       radius of circle
   MIN       1      REAL       minimum data value.
   MAX       2      REAL       maximum data value.
   MEAN      3      REAL       mean of data values.
   TOT       4      REAL       total of data values.
   NPIX      5      INTEGER    number of good pixels used.
   XCENT     6      REAL       x-coord of centroid.
   YCENT     7      REAL       y-coord of centroid.
   SUPPRESS  -      LOGICAL    suppress screen output.
          Hidden default = NO