<div dir="ltr">Hi Tabish,<div>I do not see anything in your code; my guess is that there is a weird resource conflict (or bug) that is resulting in too much space being placed between the 2 rows of plots. You can get around this though by specifying the placements of each panel by utilizing the information returned from gsnPanelDebug. See example 19 here:</div><div><a href="http://www.ncl.ucar.edu/Applications/panel.shtml#ex19" target="_blank">http://www.ncl.ucar.edu/Applications/panel.shtml#ex19</a><br></div><div>Adam</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 14, 2020 at 11:39 AM Tabish Ansari via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">Hi</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">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.</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">Here's the relevant part of my script:</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><i><br></i></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><i> b = addfile("/rasher/tabish/control-run-so4-ECMWF/<a href="http://wrfout_d03_2014-10-24_010000.nc" target="_blank">wrfout_d03_2014-10-24_010000.nc</a>","r") ; Open a file<br> wks = gsn_open_wks("pdf","episode-maps") ; Create a plot workstation<br> gsn_define_colormap(wks,"WhiteBlueGreenYellowRed")<br> opts = True ; Set some Basic Plot options<br> opts@InitTime = False ; Do not plot time or footers<br> opts@Footer = False<br><br> res = opts ; Use basic options for this field<br> res@cnFillOn = True ; Create a color fill plot<br> res@cnLevelSelectionMode = "ManualLevels" ; set levels manually<br> res@ContourParameters = (/ 25, 325, 25 /) ; Set the levels<br> res@gsnFrame = False ; don't advance frame yet<br> res@gsnDraw = False ; don't draw plot<br> res@lbLabelBarOn = False<br> res@tiMainOn = False<br> res@tiXAxisOn = False<br> contour_BASELINE_24 = wrf_contour(a0_24,wks,BASELINE_24,res)<br> contour_A_24 = wrf_contour(a0_24,wks,A_24,res)<br> contour_B_24 = wrf_contour(a0_24,wks,B_24,res)<br> contour_C_24 = wrf_contour(a0_24,wks,C_24,res)<br> contour_BASELINE_30 = wrf_contour(a0_30,wks,BASELINE_30,res)<br> contour_A_30 = wrf_contour(a0_30,wks,A_30,res)<br> contour_B_30 = wrf_contour(a0_30,wks,B_30,res)<br> contour_C_30 = wrf_contour(a0_30,wks,C_30,res)<br><br> pltres = True ; Set plot options<br> pltres@NoTitles = False<br> pltres@CommonTitle = False<br> pltres@NoHeaderFooter = True<br> pltres@PanelPlot = True<br> mpres = True ; Set map options<br><br> mpres@mpOutlineBoundarySets = "AllBoundaries" ; turn on country boundaries<br> mpres@mpGeophysicalLineColor = "Black" ; color of cont. outlines<br> mpres@mpNationalLineColor = "Black" ; color of cont. outlines<br> mpres@mpProvincialLineColor = "Black" ; color of cont. outlines<br> mpres@mpGeophysicalLineThicknessF = 1.5 ; thickness of outlines<br> mpres@mpNationalLineThicknessF = 1.5 ; thickness of outlines<br> mpres@mpProvincialLineThicknessF = 1.5 ; thickness of outlines<br> mpres@mpDataBaseVersion = "MediumRes" ; choose higher resolution<br> mpres@mpDataSetName = "Earth..4" ; choose most recent boundaries</i></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><i><br></i></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><i>; MAKE PLOTS<br> mpres@tmXTOn = True<br> mpres@tmYROn = True<br> mpres@tmXBMajorOutwardLengthF = 0.0 ; draw tickmarks inward<br> mpres@tmXBMinorOutwardLengthF = 0.0 ; draw minor ticks inward<br> mpres@tmYLMajorOutwardLengthF = 0.0 ; draw tickmarks inward<br> mpres@tmYLMinorOutwardLengthF = 0.0 ; draw minor ticks inward<br> mpres@tmXTMajorOutwardLengthF = 0.0 ; draw tickmarks inward<br> mpres@tmXTMinorOutwardLengthF = 0.0 ; draw minor ticks inward<br> mpres@tmYRMajorOutwardLengthF = 0.0 ; draw tickmarks inward<br> mpres@tmYRMinorOutwardLengthF = 0.0 ; draw minor ticks inward<br><br> mpres@tmXBLabelFontHeightF = 0.018<br> mpres@tmXTLabelFontHeightF = 0.018<br> mpres@tmYRLabelFontHeightF = 0.018<br> mpres@tmYLLabelFontHeightF = 0.018<br><br> plot1 = wrf_map_overlays(b,wks,(/contour_BASELINE_24/),pltres,mpres) ; Plot field over map background<br> plot2 = wrf_map_overlays(b,wks,(/contour_A_24/),pltres,mpres) ; Plot field over map background<br> plot3 = wrf_map_overlays(b,wks,(/contour_B_24/),pltres,mpres) ; Plot field over map background<br> plot4 = wrf_map_overlays(b,wks,(/contour_C_24/),pltres,mpres) ; Plot field over map background<br> plot5 = wrf_map_overlays(b,wks,(/contour_BASELINE_30/),pltres,mpres) ; Plot field over map background<br> plot6 = wrf_map_overlays(b,wks,(/contour_A_30/),pltres,mpres) ; Plot field over map background<br> plot7 = wrf_map_overlays(b,wks,(/contour_B_30/),pltres,mpres) ; Plot field over map background<br> plot8 = wrf_map_overlays(b,wks,(/contour_C_30/),pltres,mpres) ; Plot field over map background<br><br> ; Panel the WRF plots.<br> pnlres = True<br> pnlres@gsnPanelXWhiteSpacePercent = 5 ; Add white space b/w plots.<br> pnlres@gsnPanelYWhiteSpacePercent = 0 ; Add white space b/w plots.<br> pnlres@gsnPanelLabelBar = True ; Turn on common labelbar<br> pnlres@lbBoxMinorExtentF = 0.2<br> pnlres@pmLabelBarOrthogonalPosF = 0.1<br> pnlres@gsnFrame = False<br> gsn_panel(wks,(/plot1,plot2,plot3,plot4,plot5,plot6,plot7,plot8/),(/2,4/),pnlres)<br><br><br>; Draw a text string at the bottom<br> txres = True<br> txres@txFontHeightF = 0.012<br> gsn_text_ndc(wks,"PM~B~2.5~N~ in ~F33~m~F21~gm~S~-3~N~",0.5,0.21,txres)<br><br> frame(wks)</i><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif">Any help will be much appreciated.<br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif"><br></div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div><span style="color:rgb(11,83,148)"><i><span style="font-family:verdana,sans-serif"><font size="1">Tabish U Ansari<br></font></span></i></span></div><span style="color:rgb(11,83,148)"><i><span style="font-family:verdana,sans-serif"><font size="1">Postdoctoral Researcher <br></font></span></i></span></div><div><span style="color:rgb(11,83,148)"><i><span style="font-family:verdana,sans-serif"><font size="1">Centre for Climate and Air Pollution Studies (C-CAPS)<br></font></span></i></span></div><div><span style="color:rgb(11,83,148)"><i><span style="font-family:verdana,sans-serif"><font size="1">School of Physics, NUI-Galway</font></span></i><font size="1"><span style="font-family:tahoma,sans-serif"><i><span style="font-family:verdana,sans-serif">, Ireland</span></i><br></span></font></span></div><div><span style="color:rgb(11,83,148)"><font size="1"><span style="font-family:tahoma,sans-serif"><i><span style="font-family:verdana,sans-serif">ResearchGate: <a href="https://www.researchgate.net/profile/Tabish_Ansari" target="_blank">https://www.researchgate.net/profile/Tabish_Ansari</a></span></i><br></span></font></span></div></div></div></div></div></div></div>
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<a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div><span><font color="#888888">Adam Phillips <br></font></span></div><span><font color="#888888">Associate Scientist, </font></span><span><font color="#888888">Climate and Global Dynamics Laboratory, NCAR<br></font></span></div></div><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli/" target="_blank">www.cgd.ucar.edu/staff/asphilli/</a> </font></span><span><font color="#888888">303-497-1726 </font></span></div><span><font color="#888888"></font></span><div><div><span><font color="#888888"><br></font></span><div><span><font color="#888888"><a href="http://www.cgd.ucar.edu/staff/asphilli" target="_blank"></a></font></span></div></div></div></div></div></div></div></div></div></div></div>