POINTS

        [GREG1\]POINTS  [Array_X  Array_Y]  [/BLANKING  Bval  Eval]   [/SIZE
    Z_Value [Array_Z [Exponent]]] [/MARKER Array_Nsides Array_Style]

    Makes points of the current style (MARKER), size  (MARKER  and  EXPAND),
    and  orientation  (ORIENTATION) at the coordinates read by COLUMN, or in
    the variables Array_X Array_Y.

    With the option /SIZE, followed by a real  value  Z_Value,  POINTS  will
    draw  markers  of sizes governed by the values of the Z array (or of the
    array Array_Z if specified). Points with Z value equal to  Z_Value  will
    have  a  marker of size the current marker size.  All other markers will
    have an AREA proportional to the Z value  at  each  point  (i.e.  marker
    radius  at X(i) Y(i) proportional to the square root of Z(i); this power
    law exponent can be changed by  specifying  an  additional  argument  to
    option /SIZE). If Z_Value is equal to zero, the program uses the maximum
    absolute value of the Z array instead.

    The /BLANKING option can  be  used  to  override  the  current  blanking
    behaviour, as defined by SET BLANKING command.

    The /MARKER option can be used to specify a different  marker  sidedness
    and style for each data point.