[ncl-talk] Too much white space between rows in WRF panelplot

[Tabish Ansari]

Hi

I'm paneling eight wrf contour maps into 2 rows and 4 columns, and using
gsnPanelYWhiteSpacePercent = 0. Still, there's a lot of white space between
the two rows which I need to remove. Please see the attached plot.

Here's the relevant part of my script:









































*  b =
addfile("/rasher/tabish/control-run-so4-ECMWF/wrfout_d03_2014-10-24_010000.nc
<http://wrfout_d03_2014-10-24_010000.nc>","r")           ; Open a file  wks
= gsn_open_wks("pdf","episode-maps")         ; Create a plot workstation
gsn_define_colormap(wks,"WhiteBlueGreenYellowRed")  opts = True
                     ; Set some Basic Plot options  opts at InitTime = False
                     ; Do not plot time or footers  opts at Footer = False
res = opts                                   ; Use basic options for this
field  res at cnFillOn = True                          ; Create a color fill
plot  res at cnLevelSelectionMode = "ManualLevels"   ; set levels manually
res at ContourParameters = (/ 25, 325, 25 /) ; Set the levels  res at gsnFrame
     = False                    ; don't advance frame yet  res at gsnDraw
    = False                    ; don't draw plot  res at lbLabelBarOn = False
res at tiMainOn = False  res at tiXAxisOn = False  contour_BASELINE_24 =
wrf_contour(a0_24,wks,BASELINE_24,res)  contour_A_24 =
wrf_contour(a0_24,wks,A_24,res)  contour_B_24 =
wrf_contour(a0_24,wks,B_24,res)  contour_C_24 =
wrf_contour(a0_24,wks,C_24,res)  contour_BASELINE_30 =
wrf_contour(a0_30,wks,BASELINE_30,res)  contour_A_30 =
wrf_contour(a0_30,wks,A_30,res)  contour_B_30 =
wrf_contour(a0_30,wks,B_30,res)  contour_C_30 =
wrf_contour(a0_30,wks,C_30,res)  pltres = True
   ; Set plot options  pltres at NoTitles = False  pltres at CommonTitle  =
False  pltres at NoHeaderFooter = True  pltres at PanelPlot = True  mpres = True
                                ; Set map options
mpres at mpOutlineBoundarySets       = "AllBoundaries"   ; turn on country
boundaries  mpres at mpGeophysicalLineColor      = "Black"       ; color of
cont. outlines  mpres at mpNationalLineColor      = "Black"       ; color of
cont. outlines  mpres at mpProvincialLineColor      = "Black"       ; color of
cont. outlines  mpres at mpGeophysicalLineThicknessF = 1.5          ;
thickness of outlines  mpres at mpNationalLineThicknessF = 1.5          ;
thickness of outlines  mpres at mpProvincialLineThicknessF = 1.5          ;
thickness of outlines  mpres at mpDataBaseVersion = "MediumRes"            ;
choose higher resolution  mpres at mpDataSetName = "Earth..4"
; choose most recent boundaries*











































*; MAKE PLOTS  mpres at tmXTOn = True  mpres at tmYROn = True
mpres at tmXBMajorOutwardLengthF = 0.0               ; draw tickmarks inward
mpres at tmXBMinorOutwardLengthF = 0.0               ; draw minor ticks
inward  mpres at tmYLMajorOutwardLengthF = 0.0               ; draw tickmarks
inward  mpres at tmYLMinorOutwardLengthF = 0.0               ; draw minor
ticks inward  mpres at tmXTMajorOutwardLengthF = 0.0               ; draw
tickmarks inward  mpres at tmXTMinorOutwardLengthF = 0.0               ; draw
minor ticks inward  mpres at tmYRMajorOutwardLengthF = 0.0               ;
draw tickmarks inward  mpres at tmYRMinorOutwardLengthF = 0.0               ;
draw minor ticks inward  mpres at tmXBLabelFontHeightF = 0.018
mpres at tmXTLabelFontHeightF = 0.018  mpres at tmYRLabelFontHeightF = 0.018
mpres at tmYLLabelFontHeightF = 0.018  plot1 =
wrf_map_overlays(b,wks,(/contour_BASELINE_24/),pltres,mpres) ; Plot field
over map background  plot2 =
wrf_map_overlays(b,wks,(/contour_A_24/),pltres,mpres) ; Plot field over map
background  plot3 = wrf_map_overlays(b,wks,(/contour_B_24/),pltres,mpres) ;
Plot field over map background  plot4 =
wrf_map_overlays(b,wks,(/contour_C_24/),pltres,mpres) ; Plot field over map
background  plot5 =
wrf_map_overlays(b,wks,(/contour_BASELINE_30/),pltres,mpres) ; Plot field
over map background  plot6 =
wrf_map_overlays(b,wks,(/contour_A_30/),pltres,mpres) ; Plot field over map
background  plot7 = wrf_map_overlays(b,wks,(/contour_B_30/),pltres,mpres) ;
Plot field over map background  plot8 =
wrf_map_overlays(b,wks,(/contour_C_30/),pltres,mpres) ; Plot field over map
background  ; Panel the WRF plots.    pnlres                            =
True    pnlres at gsnPanelXWhiteSpacePercent = 5       ; Add white space b/w
plots.    pnlres at gsnPanelYWhiteSpacePercent = 0      ; Add white space b/w
plots.    pnlres at gsnPanelLabelBar           = True    ; Turn on common
labelbar    pnlres at lbBoxMinorExtentF          = 0.2
pnlres at pmLabelBarOrthogonalPosF = 0.1    pnlres at gsnFrame = False
gsn_panel(wks,(/plot1,plot2,plot3,plot4,plot5,plot6,plot7,plot8/),(/2,4/),pnlres);
Draw a text string at the bottom  txres               = True
txres at txFontHeightF = 0.012  gsn_text_ndc(wks,"PM~B~2.5~N~ in
~F33~m~F21~gm~S~-3~N~",0.5,0.21,txres)  frame(wks)*


Any help will be much appreciated.



*Tabish U Ansari*

*Postdoctoral Researcher *

*Centre for Climate and Air Pollution Studies (C-CAPS)*
*School of Physics, NUI-Galway**, Ireland*
*ResearchGate: https://www.researchgate.net/profile/Tabish_Ansari
<https://www.researchgate.net/profile/Tabish_Ansari>*
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