<div dir="ltr"><div>Hello All,</div><div>              <b>Please have a look at the data and below given script, it is not resulting into overlay.</b></div><div><br></div><div><br></div>begin<br>  a=addfile("HP_Temp.nc","r")<br>  tmean=a->tmean(:,0,0)<br>  tmin=a->tmin(:,0,0)<br>  tmax=a->tmax(:,0,0)          ; read in right variable (y2)<br>  tmean_time=a->time(0:66)                ; this is our x<br> ;---Convert to fractional years for easier plotting.<br>  time=cd_calendar(tmean_time,4)        ; scale for convenience<br>;---Start the graphics<br> wks = gsn_open_wks("png","xy")              ; send graphics to PNG file<br>;---Plotting options for time series plot<br>  res             = True<br>  res@gsnMaximize = True<br>  res@gsnDraw     = False      ; Will draw later, after overlaying<br>  res@gsnFrame    = False      ; all plots<br>  res@vpWidthF    = 0.8        ; Make plots wider<br>  res@vpHeightF   = 0.4<br>;---Resources for legend<br>  res@pmLegendDisplayMode    = "Always"              ; turn on legend<br>  res@pmLegendWidthF         = 0.12                  ; Change width and<br>  res@pmLegendHeightF        = 0.15                  ; height of legend.<br>  res@pmLegendOrthogonalPosF = -0.08                 ; move up slightly <br>  res@lgLabelFontHeightF     = .011                  ; change font height<br>  res@lgPerimOn              = False                 ; no box around<br>  res@lgItemOrder            = (/1,0/)               ; reverse legend<br>;---Titles<br>  res@tiMainString           = "Temperature"<br>  res@tiYAxisString          = "Temp in Deg Celsius"<br>;---Turn off some tickmarks<br>  res@tmXTOn                 = False    ; bottom off<br>  res@tmYROn                 = False    ; right off<br>  res@xyLineThicknessF       = 2.0      ; default is 1<br>  res@xyMonoDashPattern      = True     ; force all solid lines<br>;--------------------------------------------------<br>; The time_axis_label function adds additional<br>; resources to "res" to produce nicely-formatted<br>; time labels on X axis. This function only works<br>; if you have a time "units" recognized by the<br>; cd_calendar function.<br>;---------------------------------------------------<br>;---Set resources for colors and labels<br>  colors1 = (/"blue","red"/)<br>  colors2 = (/"darkgreen","darkorange"/)<br>  colors3 = (/"brown","purple"/)<br>  labels1 = "Tmean"<br>  labels2 = "Tmax"<br>  labels3 = "Tmin"<br>;---Create the four XY plots<br>  res@xyLineColors           = colors1<br>  res@xyExplicitLegendLabels = labels1<br>  res@pmLegendParallelPosF   = 0.15<br> plot1 = gsn_csm_xy(wks,time,tmean,res)<br>  res@xyLineColors           = colors2<br>  res@xyExplicitLegendLabels = labels2<br>  res@pmLegendParallelPosF   = 0.37<br> plot2 = gsn_csm_xy(wks,time,tmax,res)<br>  res@xyLineColors           = colors3<br>  res@xyExplicitLegendLabels = labels3<br>  res@pmLegendParallelPosF   = 0.59<br> plot3 = gsn_csm_xy(wks,time,tmax,res)<br>;---Overlay one plot on the other, so they become one plot.<br>  overlay(plot1,plot2)<br>  overlay(plot1,plot3)<br>  draw(plot1)            ; This will draw all four plots<br>  frame(wks)<br>end<div><br></div><div><br></div><div><br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="4">Regards,</font></div><div><br></div><div><img src="https://docs.google.com/uc?export=download&id=1flpEpH50fxgPRxFvuyiLu2A70K0UoFx-&revid=0Byj9ykpbAx3od3R4N016WWh0MnlGQ1JHUTg4Nk5HVmVMS2ZNPQ" width="304" height="116"><br></div><div>                           <br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>