<div dir="ltr">Hi LSL,<div>I am having a bit of trouble following your script with the large number of commented out lines. Please in the future send as clean and minimized a script as possible that illustrates the issues you are having. This will increase the odds that someone will respond. <br></div><div><br><div>- You can control the vertical placement of the panel title by setting gsnPanelMainPosYF. It looks like you tried this. I would think a value of .90 is a good place to start, and you can adjust the setting from there. Note that NCL will allocate the space for each plot in the panel based on the size of the first plot. You can change this by setting <a href="http://www.ncl.ucar.edu/Document/Graphics/Resources/gsn.shtml#gsnPanelScalePlotIndex">gsnPanelScalePlotIndex</a> in your panel resource list. Your first plot has subtitles, so NCL will allocate a bigger space for the 2nd and 3rd panels as they do not have subtitles. You can completely override how NCL panels plots by using the output from gsnPanelDebug and set the X/Y positions exactly. See panel example #19 here: <a href="http://www.ncl.ucar.edu/Applications/panel.shtml#ex19">http://www.ncl.ucar.edu/Applications/panel.shtml#ex19</a></div><div><br></div><div>- I am surprised that the plots are that spaced apart. Try setting the following resources:</div><div>res@tiMainOn = False ; do not allocate space for the main title.</div><div>resP@gsnPanelYWhiteSpacePercent = 0. ; set the white space between plots along the y-axis to 0%<br></div><div><br></div><div>- If you want complete control over the x-axis tickmarks, I would recommend setting tmXBMode = "Explicit", and set tmXBValues and tmXBLabels as you want. Note that the values input into tmXBValues must be in the same range as the x array input into gsn_csm_xy:</div><div>; example</div><div> res@tmXBMode = "Explicit" <br> res@tmXBValues = ispan(0,720,360) <br> res@tmXBLabels = (/"Jan 2000","Jan 2001","Jan 2002"/)<br></div><div> plot = gsn_csm_xy(wks,ispan(5,725,5),arr,res)</div><div><br></div><div>In the above, the array passed into tmXBValues overlaps with the x-input into gsn_csm_xy (=ispan(5,725,5)). Again, this is just an example, but try applying that concept to your script. </div><div><br></div><div>Hope that helps!</div><div>Adam</div><div><br></div><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Dec 8, 2020 at 7:47 PM LSL via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu" target="_blank">ncl-talk@mailman.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>
<p> </p>
<p style="margin-bottom:0in;line-height:100%">Dear NCL Community,
<br>
<br>
<br>
I am wondering:</p>
<p style="margin-bottom:0in;line-height:100%">1) how to shrink
the
vertical white spaces between subfigure (a) and (b), (b) and (c);
<br>
<br>
2) how to add more tmXB labels as 01/01, 01/02, 01/03...
in figure
"Timeseries_Site_574610_lat_30.7333_lon_111.367_Yichang_ten_days.png";</p>
<p style="margin-bottom:0in;line-height:100%">3) how to move down
the main title?</p>
<p style="margin-bottom:0in;line-height:100%"><br>
</p>
<p style="margin-bottom:0in;line-height:100%">These are indicated
in the attached figure. The ncl script is also attached.</p>
<p style="margin-bottom:0in;line-height:100%">
<br>
Thanks
in advance. <br>
<br>
LSL </p>
<p>
</p>
</div>
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