<div dir="ltr"><div><div><div><div>Hi Cheung,<br></div>I would recommend setting cnLevelSelectionMode = "ExplicitLevels" and setting cnLevels = 0.<br><br></div>See example #4 here:<br><a href="http://www.ncl.ucar.edu/Applications/contourLev.shtml#ex4">http://www.ncl.ucar.edu/Applications/contourLev.shtml#ex4</a><br><br></div>Hope that helps. If not, please respond to the ncl-talk email list.<br></div>Adam<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jul 20, 2015 at 6:35 PM, Cheung <span dir="ltr"><<a href="mailto:zuibeidemei@126.com" target="_blank">zuibeidemei@126.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Dear all:<br><br> I'd like plot a contour figure with only a zero line displayed, and lines of all other contour levels are ignored.<br><br> I tried with the following res with several values combination but it doesn't work. Can anyone give a help?<br><br> res@cnLineThicknessF <br> res@gsnContourLineThicknessesScale <br> res@gsnContourZeroLineThicknessF <br><br>--<br><br> Regards<span class="HOEnZb"><font color="#888888"><br><br> Cheung<br><br></font></span></div></div><br><br><span title="neteasefooter"><span></span></span><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><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>
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