[ncl-talk] Problem with plotting

[Rashed Mahmood]

Since you have four plots, so it would be best to try 2 rows and 2 columns:
gsn_panel(wks,plot,(/2,2/),resP)

On Fri, Apr 26, 2019 at 11:54 AM Anahita Amiri Farahani <aamir003 at ucr.edu>
wrote:

> Hi all,
> I am trying to plot multiple panels in a figure, when I try to put three
> panels in a row instead of two panels, NCL changes the quality of panels
> and puts less significant symbol in a panel. I attached the code for
> plotting. Is it possible to put three panels and keep the quality of the
> figure?
>
>
>
>
>
>
> wks = gsn_open_wks("eps","SDE")
> gsn_define_colormap(wks,"BlWhRe")   ; choose color
> plot = new(4,graphic)
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>   res                     = True               ; plot mods desired
>   res at cnFillOn            = True              ; turn on color
>   res at gsnSpreadColors     = True               ; use full color map
>   res at cnLinesOn           = False              ; no contour lines
>   res at cnLineLabelsOn      = False              ; no line labels
>
>
>   res at mpMaxLatF = 90                         ; specify the plot domain
>   res at mpMinLatF = -90                         ;
>   res at mpMinLonF = 0                        ;
>   res at mpMaxLonF = 357.5
>   res at mpCenterLonF= 0;178.75
>
>
>
>   ;res at gsnAddCyclic        = False
>   res at gsnDraw             = False           ; don't draw
>   res at gsnFrame            = False           ; don't advance frame
>   ;res at cnInfoLabelOn       = False           ; turn off cn info label
>   ;res at cnFillOn            = True            ; turn on color
>   ;res at gsnSpreadColors     = True            ; spread out color table
>  ; res at gsnSpreadColorStart = 2               ; color to startt
>
>   res at lbLabelBarOn        = False           ; turn off individual cb's
>
> res at lbTitleOn        =  True                ; turn on title
> res at lbTitleString    = "(W m~S~-2~N~)"                ; title string
> res at lbTitlePosition  = "Right"              ; title position
> res at lbTitleFontHeightF= .02                ; make title smaller
> res at lbTitleDirection = "Across"             ; title direction
>
>
>
>  ;; res at cnLevelSelectionMode =  "AutomaticLevels"   ; AutomaticLevels
>
>
>   res at cnLevelSelectionMode =  "ManualLevels"   ; AutomaticLevels
>   res at cnMinLevelValF       = -4.              ; min level
>   res at cnMaxLevelValF       =  4.               ; max level
>   res at cnLevelSpacingF      =  0.2                ; interval
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
> res at gsnLeftString       = "SDE_CAM4"         ; change left string
> plot(0)= gsn_csm_contour_map(wks,sde_cam4(:,:),res)
> res at gsnLeftString       = "SDE_CAM5"         ; change left string
> plot(1)= gsn_csm_contour_map(wks,sde_cam5(:,:),res)
> res at gsnLeftString       = "SDE_GFDL"         ; change left string
> plot(2)=gsn_csm_contour_map(wks,sde_gfdl(:,:),res)
>
> res at gsnLeftString       = "Model Agreement"         ; change left string
> plot(3)= gsn_csm_contour_map(wks,aa_sde(:,:),res)
>
>
> ;delete(wks)
> ; ========================= PLOT 2 ==============================
>  res2 = True                            ; res2 probability plots
>
>
>   res2 at gsnDraw              = False           ; Do not draw plot
>   res2 at gsnFrame             = False           ; Do not advance frame
>   res2 at cnLevelSelectionMode = "ManualLevels" ; set manual contour levels
>   res2 at cnMinLevelValF      = 0.00        ; set min contour level
>   res2 at cnMaxLevelValF      = 1.05        ; set max contour level
>   res2 at cnLevelSpacingF     = 0.05        ; set contour spacing
>
>   res2 at cnInfoLabelOn       = False       ; turn off info label
>
>   res2 at cnLinesOn           = False       ; do not draw contour lines
>   res2 at cnLineLabelsOn      = False       ; do not draw contour labels
>
>   res2 at cnLinesOn           = False       ; do not draw contour lines
>   res2 at cnLineLabelsOn      = False       ; do not draw contour labels
>   res2 at gsnLeftString = ""
>   res2 at gsnRightString = ""
>
>   res2 at cnFillScaleF        = 0.6         ; add extra density
>   res2 at cnLevelSpacingF     = 0.04        ; set contour spacing
>   ;res2 at gsnAddCyclic = False
>
> plot2   = gsn_csm_contour(wks,gsn_add_cyclic_point(alpha_cam4(:,:)), res2)
> plot2   = ShadeGtContour(plot2, 0.95, 17)  ; shade all areas less than the
>                                              ; 0.05 contour level
> plot3   = gsn_csm_contour(wks,gsn_add_cyclic_point(alpha_cam5(:,:)), res2)
> plot3   = ShadeGtContour(plot3, 0.95, 17)
>
> plot4   = gsn_csm_contour(wks,gsn_add_cyclic_point(alpha_gfdl(:,:)), res2)
> plot4   = ShadeGtContour(plot4, 0.95, 17)
>
> overlay (plot(0), plot2)
> overlay (plot(1), plot3)
> overlay (plot(2), plot4)
>
>
> ;************************************************
> ; create panel
> ;************************************************
>   resP                  = True                    ; modify the panel plot
>
>   resP at gsnPanelLabelBar = True                    ; add common colorbar
>   resP at gsnPanelFigureStrings = (/"a)","b)","c)","d)"/)      ; add strings
> to panel
>   gsn_panel(wks,plot,(/3,2/),resP)
>  ;gsn_panel(wks,plot,(/2,3/),resP)
>   ;draw (plot)
>   ;frame(wks)
>   delete(wks)
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