[ncl-talk] Gap in a plot

[Rashed Mahmood]

May be:

Replace line: plot2   = gsn_csm_contour(wks,alphat_low_summer, res2)
        by this: plot2   =
gsn_csm_contour(wks,gsn_add_cyclic_point(alphat_low_summer),
res2)

What is printVarSummary(alphat_low_summer)?





On Tue, May 22, 2018 at 3:19 PM, Anahita Amiri Farahani <aamir003 at ucr.edu>
wrote:

> Hi all,
>
> I plotted change in the low cloud as a difference between two simulations
> and added the 95% confidence level but the problem is there is a band that
> significant values are not shown. it is around 180 degrees longitude.
> Attached is the figure, and here is the code that I used:
>
>
> wks = gsn_open_wks("eps","low_cloud_summer")
>  gsn_define_colormap(wks,"BlWhRe")   ; choose color
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>   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 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 cnLevelSelectionMode =  "ManualLevels"   ; AutomaticLevels
>   res at cnMinLevelValF       = -20.              ; min level
>   res at cnMaxLevelValF       =  20.              ; max level
>   res at cnLevelSpacingF      =  2               ; interval
>
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> res at tiMainString        = " Summer changes in low clouds" ;Cloud Fraction
> Derivative fall
>
> plot= gsn_csm_contour_map(wks,low_summer,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 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 cnFillScaleF        = 0.6         ; add extra density
> ;;  delete(alpha at long_name)
> ;;  delete(alpha at units)
>
>   plot2   = gsn_csm_contour(wks,alphat_low_summer, res2)
>   plot2   = ShadeGtContour(plot2, 0.05, 17)  ; shade all areas less than
> the
>                                              ; 0.05 contour level
>   overlay (plot, plot2)
>
>   draw (plot)
>   frame(wks)
>   delete(wks)
>
>
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