<div dir="ltr"><div class="gmail_default" style="font-size:small">Vandhna,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Sorry about the delay in response. I usually try to get to graphics questions much quicker than this.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">The error is telling you that one of the input X,Y arrays must be 2D (usually this is the Y array) and the other must be 1D (usually the X array).</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">What the code does with the 2D Y array is that each leftmost element of Y represents a single curve, and then each color that you specific in gsnXYFillColors will represent the color between curves (you will then need to specify one fewer color than you have curves).</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I've attached a very simple example, which I copied from example "newcolor_16.ncl" at:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style><a href="http://www.ncl.ucar.edu/Applications/rgbacolor.shtml#ex16">http://www.ncl.ucar.edu/Applications/rgbacolor.shtml#ex16</a><br></div><div class="gmail_default" style><br></div><div class="gmail_default" style>For the first frame, this example creates four curves, and fills between each curve.</div><div class="gmail_default" style><br></div><div class="gmail_default" style>For the second frame, the same plot is drawn, but the fill is done with 0.5 opacity.</div><div class="gmail_default" style><br></div><div class="gmail_default" style>--Mary</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jan 27, 2015 at 11:17 PM, Vandhna Nair <span dir="ltr"><<a href="mailto:n.vandhna@gmail.com" target="_blank">n.vandhna@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>I am trying to plot 4 curves (station observations), with their model simulated ranges (min, max) as filled areas using gsnXYFillColors.</div><div><br></div><div>I get the 4 curves and everything else just fine using the script below (ignore highlighted part for now). </div><div><br></div><div><div>; ***********************************************</div><div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"</div><div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"</div><div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"</div><div>load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"</div><div>; ***********************************************</div><div><br></div><div>p1 = asciiread("Station_Suva_pr.csv",(/12,1/),"float") </div><div>p2 = asciiread("Station_Nadi_pr.csv",(/12,1/),"float") </div><div>p3 = asciiread("Suva_mod_pr.csv",(/12,2/),"float") </div><div>p4 = asciiread("Nadi_mod_pr.csv",(/12,2/),"float") </div><div>t1 = asciiread("Station_Suva_tm.csv",(/12,1/),"float") </div><div>t2 = asciiread("Station_Nadi_tm.csv",(/12,1/),"float") </div><div>t3 = asciiread("Suva_mod_tm.csv",(/12,2/),"float") </div><div>t4 = asciiread("Nadi_mod_tm.csv",(/12,2/),"float") </div><div><br></div><div>lp1 = p3(:,0)</div><div>lp2 = p3(:,1)</div><div>lp3 = p4(:,0)</div><div>lp4 = p4(:,1)</div><div><br></div><div>lt1 = t3(:,0)</div><div>lt2 = t3(:,1)</div><div>lt3 = t4(:,0)</div><div>lt4 = t4(:,1)</div><div><br></div><div><br></div><div>; ***********************************************</div><div>; create new date array for use on the plot</div><div>; ***********************************************</div><div><br></div><div> date = ispan(0,11,1) + 1</div><div> print(date)</div><div> monthnames = (/"Jan", "Feb", "Mar", "Apr" \</div><div> ,"May", "Jun", "Jul", "Aug" \</div><div> ,"Sep", "Oct", "Nov" \</div><div> ,"Dec" /)</div><div><span style="white-space:pre-wrap"> </span></div><div><span style="white-space:pre-wrap"> </span></div><div>;**********************************************************</div><div>; to plot multiple lines (shading), you must put them into</div><div>; a mulidimensional array</div><div>;**********************************************************</div><div><br></div><div>data = new((/2,12/),float)</div><div>data(0,:) = p3(:,0)</div><div>data(1,:) = p3(:,1)<span style="white-space:pre-wrap"> </span></div><div><br></div><div>data1 = new((/2,12/),float)</div><div>data1(0,:) = p4(:,0)</div><div>data1(1,:) = p4(:,1)<span style="white-space:pre-wrap"> </span></div><div><br></div><div>data2 = new((/2,12/),float)</div><div>data2(0,:) = t3(:,0)</div><div>data2(1,:) = t3(:,1)</div><div><br></div><div>data3 = new((/2,12/),float)</div><div>data3(0,:) = t4(:,0)</div><div>data3(1,:) = t4(:,1)</div><div><br></div><div>;***************************</div><div>; plot parameters</div><div>;***************************</div><div><br></div><div>wks = gsn_open_wks("eps","Suva_Nadi_cmp") ; Open an X11 workstation.</div><div><br></div><div>resL = True </div><div>resR = True </div><div><br></div><div>resL@gsnXYBarChart = True ; create bar chart </div><div>resL@gsnDraw = False ; don't draw</div><div>resL@gsnFrame = False ; don't advance frame yet </div><div><br></div><div>;Change aspect ratio of plot</div><div> resL@vpHeightF= 0.38 </div><div> resL@vpWidthF = 0.7 </div><div> </div><div>; Set min/max values for y axes</div><div><br></div><div> resL@trYMinF = 0</div><div> resL@trYMaxF = 600</div><div> resR@trYMinF = 16</div><div> resR@trYMaxF = 30</div><div><br></div><div> resL@vpXF = 0.15 </div><div><br></div><div>; Define new markers</div><div><br></div><div> mstring = "y"</div><div> fontnum = 35</div><div> xoffset = 0.0</div><div> yoffset = 0.0</div><div> ratio = 1.0</div><div> size = 1.0</div><div> angle = 0.0</div><div> </div><div> Pr_index = NhlNewMarker(wks, mstring, fontnum, xoffset, yoffset, ratio, size, angle)</div><div> </div><div> mstring1 = "u"</div><div> fontnum1 = 34</div><div> xoffset1 = 0.0</div><div> yoffset1 = 0.0</div><div> ratio1 = 1.0</div><div> size1 = 1.0</div><div> angle1 = 0.0</div><div> </div><div> Tm_index = NhlNewMarker(wks, mstring1, fontnum1, xoffset1, yoffset1, ratio1, size1, angle1)</div><div><br></div><div>; resources for "left" variable</div><div> resL@xyLineColor = "-1"</div><div> resL@xyLineThicknesses = 3. </div><div> resL@tiYAxisString = "Precipitation (mm)" </div><div> resL@tiYAxisFontHeightF = 0.0198</div><div><br></div><div>; resources for "right" variable</div><div> resR@xyLineColor = "limegreen" </div><div> resR@xyLineThicknesses = 3. </div><div> resR@tiYAxisString = "Temperature (~S~o~N~C)" </div><div> resR@tiYAxisFontHeightF = 0.0198</div><div> </div><div> resL@tiMainString = "Suva and Nadi Climatologies~C~Precipitation and Temperature"</div><div> resL@tiMainOffsetYF = 0.01</div><div> resL@tiMainFontHeightF = 0.0240</div><div> resL@tiMainFontThicknessF = 3.0</div><div> </div><div>; Marker resources</div><div> mres = True</div><div> mres@gsMarkerIndex = Tm_index</div><div> mres@gsMarkerSizeF = 18.0 </div><div> mres@gsMarkerColor = (/"limegreen"/) </div><div> </div><div> mres1 = True</div><div> mres1@gsMarkerIndex = Tm_index</div><div> mres1@gsMarkerSizeF = 18.0 </div><div> mres1@gsMarkerColor = (/"tomato2"/)</div><div> </div><div> mres2 = True</div><div> mres2@gsMarkerIndex = Pr_index</div><div> mres2@gsMarkerSizeF = 10.0 </div><div> mres2@gsMarkerColor = (/"limegreen"/)</div><div> </div><div> mres3 = True</div><div> mres3@gsMarkerIndex = Pr_index</div><div> mres3@gsMarkerSizeF = 10.0 </div><div> mres3@gsMarkerColor = (/"tomato2"/)</div><div> </div><div>; Polyline resources</div><div><br></div><div> pres = True</div><div> pres@gsLineThicknessF = 3.0</div><div> pres@gsLineColor = "limegreen"</div><div><br></div><div> pres1 = True</div><div> pres1@gsLineThicknessF = 3.0</div><div> pres1@gsLineColor = "tomato2"</div><div> </div><div> ;Formatting axis labels</div><div> </div><div> resR@tmYRFormat = "f" ; remove decimal values from right Y-axis label</div><div> </div><div> resR@tmXBMode = "Explicit"<span style="white-space:pre-wrap"> </span></div><div> resR@tmXBValues = (/16,18,20,22,24,26,28,30/)</div><div> </div><div> resL@tmXBMode = "Explicit" ; explicit labels</div><div> resL@tmXBValues = date ; location of labels </div><div> resL@tmXBLabels = monthnames ; labels themselves</div><div> </div><div> resL@gsnYRefLine = 0.0 ; create a reference line</div><div> </div><div> </div><div> plot = gsn_csm_xy2(wks,date,p1(:,0),t1(:,0),resL,resR) </div><div> </div><div> gsn_polymarker(wks,plot@xy2,date,t1(:,0),mres)</div><div> gsn_polyline(wks,plot@xy2,date,t2(:,0),pres1)</div><div> gsn_polymarker(wks,plot@xy2,date,t2(:,0),mres1)</div><div> gsn_polyline(wks,plot,date,p1(:,0),pres)</div><div> gsn_polymarker(wks,plot,date,p1(:,0),mres2)</div><div> gsn_polyline(wks,plot,date,p2(:,0),pres1)</div><div> gsn_polymarker(wks,plot,date,p2(:,0),mres3)</div><div><br></div><div><span style="background-color:rgb(255,255,0)">; Create a plot with the area between min and max simulations filled in pink/blue</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> print(data)</span></div><div><span style="background-color:rgb(255,255,0)"> print(data1)</span></div><div><span style="background-color:rgb(255,255,0)"> print(data2)</span></div><div><span style="background-color:rgb(255,255,0)"> print(data3)</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> ; 1st shading</span></div><div><span style="background-color:rgb(255,255,0)"> delete(resL@xyLineColors) </span></div><div><span style="background-color:rgb(255,255,0)"> resL@gsnXYFillColors = "lightpink" </span></div><div><span style="background-color:rgb(255,255,0)"> resL@xyLineColor = "-1"</span></div><div><span style="background-color:rgb(255,255,0)"> plot1 = gsn_csm_xy(wks,date,data,resL)</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> ; 2nd shading</span></div><div><span style="background-color:rgb(255,255,0)"> resL@gsnXYFillColors = "lightskyblue" </span></div><div><span style="background-color:rgb(255,255,0)"> resL@xyLineColor = "-1"</span></div><div><span style="background-color:rgb(255,255,0)"> plot2 = gsn_csm_xy(wks,date,data1,resL)</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> ; 3rd shading </span></div><div><span style="background-color:rgb(255,255,0)"> delete(resR@xyLineColors) </span></div><div><span style="background-color:rgb(255,255,0)"> resR@gsnXYFillColors = "lightpink" </span></div><div><span style="background-color:rgb(255,255,0)"> resR@xyLineColor = "-1"</span></div><div><span style="background-color:rgb(255,255,0)"> plot3 = gsn_csm_xy(wks,date,data2,resR)</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> ; 4th shading</span></div><div><span style="background-color:rgb(255,255,0)"> resR@gsnXYFillColors = "lightskyblue" </span></div><div><span style="background-color:rgb(255,255,0)"> resR@xyLineColor = "-1"</span></div><div><span style="background-color:rgb(255,255,0)"> plot4 = gsn_csm_xy(wks,date,data3,resR)</span></div><div><span style="background-color:rgb(255,255,0)"> </span></div><div><span style="background-color:rgb(255,255,0)"> overlay(plot,plot1) </span></div><div><span style="background-color:rgb(255,255,0)"> overlay(plot,plot2)</span></div><div><span style="background-color:rgb(255,255,0)"> overlay(plot,plot3)</span></div><div><span style="background-color:rgb(255,255,0)"> overlay(plot,plot4)</span></div><div><span style="background-color:rgb(255,255,0)"><br></span></div><div> ;*********************** </div><div> ; Manually add legend</div><div> ;***********************</div><div> </div><div> ; Polylines and polymarkers</div><div><br></div><div> gsres = True</div><div> gsres@gsLineColor = "limegreen"</div><div> gsres@gsLineThicknessF = 3.0</div><div> gsres@gsMarkerIndex = Pr_index</div><div> gsres@gsMarkerColor = "limegreen" </div><div> gsres@gsMarkerSizeF = 10</div><div> </div><div> gsn_polyline_ndc(wks,(/0.2,0.3/),(/0.31,0.31/),gsres) </div><div> gsn_polymarker_ndc(wks,0.25,0.31,gsres) </div><div> </div><div> gsres1 = True</div><div> gsres1@gsLineColor = "limegreen"</div><div> gsres1@gsLineThicknessF = 3.0</div><div> gsres1@gsMarkerIndex = Tm_index</div><div> gsres1@gsMarkerColor = "limegreen" </div><div> gsres1@gsMarkerSizeF = 18</div><div> </div><div> gsn_polyline_ndc(wks,(/0.2,0.3/),(/0.28,0.28/),gsres1) </div><div> gsn_polymarker_ndc(wks,0.25,0.28,gsres1)</div><div> </div><div> gsres2 = True</div><div> gsres2@gsLineColor = "tomato2"</div><div> gsres2@gsLineThicknessF = 3.0</div><div> gsres2@gsMarkerIndex = Pr_index</div><div> gsres2@gsMarkerColor = "tomato2" </div><div> gsres2@gsMarkerSizeF = 10</div><div> </div><div> gsn_polyline_ndc(wks,(/0.55,0.65/),(/0.31,0.31/),gsres2) </div><div> gsn_polymarker_ndc(wks,0.60,0.31,gsres2) </div><div> </div><div> gsres3 = True</div><div> gsres3@gsLineColor = "tomato2"</div><div> gsres3@gsLineThicknessF = 3.0</div><div> gsres3@gsMarkerIndex = Tm_index</div><div> gsres3@gsMarkerColor = "tomato2" </div><div> gsres3@gsMarkerSizeF = 18</div><div> </div><div> gsn_polyline_ndc(wks,(/0.55,0.65/),(/0.28,0.28/),gsres3) </div><div> gsn_polymarker_ndc(wks,0.60,0.28,gsres3)</div><div> </div><div> ; Text</div><div> </div><div> txres = True</div><div> txres@txFontHeightF = 0.017</div><div> </div><div> gsn_text_ndc(wks,"Suva precipitation",0.41,0.31,txres)</div><div> gsn_text_ndc(wks,"Suva temperature",0.41,0.28,txres)</div><div> gsn_text_ndc(wks,"Nadi precipitation",0.76,0.31,txres)</div><div> gsn_text_ndc(wks,"Nadi temperature",0.76,0.28,txres)</div><div> </div><div> draw(plot) ; now draw</div><div> frame(wks) ; now advance frame</div><div> </div><div>;end</div></div><div><br></div><div><br></div><div>However, when I add the highlighted part to my script, I get "<span><font color="#000000" face="arial, helvetica, sans-serif">fill_bw_xy: Error: If filling between two curves, one set must be 2D, and the other 1D". Also, the plot generated looks very strange - completely destroys my existing plot. Perhaps I am making some trivial mistake as I am using overlay and gsnXYFillColors with 2Y axes for the first time. </font></span></div><div><span><font color="#000000" face="arial, helvetica, sans-serif"><br></font></span></div><div><font color="#000000" face="arial, helvetica, sans-serif">Any help would be highly appreciated. </font></div><div><font color="#000000" face="arial, helvetica, sans-serif"><br></font></div><div><font color="#000000" face="arial, helvetica, sans-serif">Attached are:</font></div><div><font color="#000000" face="arial, helvetica, sans-serif">1. Working plot, without </font><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">gsnXYFillColors - Suva_Nadi_cmp.eps</span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">2. Plot after adding the highlighted bit - </span><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">Suva_Nadi_cmp2.eps</span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">3. One of the 4 data files used in </span><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">gsnXYFillColors, just incase it's needed - </span>Suva_mod_pr.csv</div><div><br></div><div>Thanks,</div><div>Vandhna.</div></div>
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