  XPlot help page



  GENERAL DESCRIPTION

  The XPlot widget plots a vector Y (vertical axis) vs. a vector
  X (horizontal axis). It can optionally overplot up to two vectors
  Y1 and Y2.
    
 
 
  PARAMETERS

  'X lower', 'X upper':
      Lower and upper values for horizontal axis. Notice that
      X_upper can be smaller than X_upper. This is useful to
      reverse the X-axis scale.

  'Y lower', 'Y upper':
      Lower and upper values for vertical axis. Notice that
      Y_upper can be smaller than Y_upper. This is useful to
      reverse the Y-axis scale.

  'Main title':
      Title of plot.

  'X-title':
      Label for X-axis.

  'Y-title':
      Label for Y-axis.

  'Type of Main plot':
      Select draw style (line style or points).

  'Type of Overplot':
      Select draw style for overplot(s).

  'Character size':
      Character size of title and labels.

  'Symbol size':
      Size of symbol, when draw style is 'Plus sign' (+).



  CONTROLS/BUTTONS

  'Plot':
      Execute plot using currently defined options.

  'Save':
      Save plot as PostScript file.

  'Help':
      Display this help page.

  'Exit':
      Quit XPlot.