;+
; Change the x-axis on the plotter to frequency.
;
; @version $Id: freq.pro,v 1.6 2005/05/26 15:10:04 jbraatz Exp $
;-
pro freq
   if (!g.plotter_axis_type ne 1) then begin
       !g.plotter_axis_type=1
       if not !g.frozen then show,/reshow
   endif
   return
end