<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">ahh, There's actually a thickness to that line. </div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">At the moment, your xp coord goes from -90 : 90 then repeats -90 :90. </div><div class="gmail_default" style="font-family:verdana,sans-serif">You want to flip the direction of the 2nd half of the array so rather than start at 90S twice (and creating a discontinuity in the data halfway through) it traces the +std line in 1 direction then smoothly traces the -std line back to the origin. </div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">Not tested!!</div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif"><div class="gmail_default">xp(:nlat-1)=lat</div><div class="gmail_default">xp(nlat:(2*nlat-1))=lat(::-1)</div><div class="gmail_default"><br></div><div class="gmail_default">yp(:nlat-1)=pr_lat(0,:)+allf_std</div><div class="gmail_default">yp(nlat:(2*nlat-1))=pr_lat(0,::-1)-allf_std(::-1)</div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default">Good luck. </div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default"><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 13, 2017 at 2:25 PM, 刘振 <span dir="ltr"><<a href="mailto:286909655@qq.com" target="_blank">286909655@qq.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Hi -,</div><div><br></div><div> Thanks for your reply. But for the second question, if you look at the Figure 2 in detail, I want to shading the one standard deviation of the red line. But I want to delete the addition red line from the start point to end point. So the function gsn_add_polyline may not satisfy my requirement. Is there any other solutions? Thanks.</div><span class=""><div><br></div><div>Best regards,</div><div>zhen</div><div><br></div><div><div style="color:#909090;font-family:Arial Narrow;font-size:12px">------------------</div><div style="font-size:14px;font-family:Verdana;color:#000"><div>刘振</div>
<div>中山大学<br>环境科学与工程学院<br>大气科学系<br>Phone: <a href="tel:+86%20150%201324%206049" value="+8615013246049" target="_blank">+86-15013246049</a></div>
<div>Liu Zhen</div>
<div>Department of Atmospheric Science<br>School of Environmental Science and Engineering</div>
<div>Sun Yat-sen University<br>Email address: <font color="#7f7f7f"><a href="mailto:liuzhen9@mail2.sysu.edu.cn" target="_blank">liuzhen9@mail2.sysu.edu.cn</a></font> </div></div></div><div> </div></span><div><div><br></div><div><br></div><div style="font-size:12px;font-family:Arial Narrow;padding:2px 0 2px 0">------------------ 原始邮件 ------<wbr>------------</div><div style="font-size:12px;background:#efefef;padding:8px"><div><b>发件人:</b> "Alan Brammer";<<a href="mailto:abrammer@albany.edu" target="_blank">abrammer@albany.edu</a>><wbr>;</div><div><b>发送时间:</b> 2017年10月14日(星期六) 凌晨2:03</div><div><b>收件人:</b> "刘振"<<a href="mailto:286909655@qq.com" target="_blank">286909655@qq.com</a>>;</div><div><b>抄送:</b> "ncl-talk"<<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.<wbr>edu</a>>; </div><div><b>主题:</b> Re: [ncl-talk] no value at the equator and additional line using gsn_add_polygon</div></div><div><div class="h5"><div><br></div><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif;font-size:12.800000190734863px">> why there is a white line over the equator? How to remove it?</span><br></div><div class="gmail_default"><font color="#000000"><span style="font-size:12.800000190734863px">You mean Greenwich Meridian? </span></font></div><div class="gmail_default"><a href="https://www.ncl.ucar.edu/Document/Graphics/Resources/gsn.shtml#gsnAddCyclic" target="_blank">https://www.ncl.ucar.edu/<wbr>Document/Graphics/Resources/<wbr>gsn.shtml#gsnAddCyclic</a><font color="#000000"><span style="font-size:12.800000190734863px"><br></span></font></div><div class="gmail_default">You set this resource to false, therefore NCL did not bridge the gap. </div><div class="gmail_default"> Near the top of your res file:</div><div class="gmail_default">> res@gsnAddCyclic = False ; data already has cyclic point<br></div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default"><span style="color:rgb(0,0,0);font-size:12.800000190734863px">> For All_F in red shading line, why there is a addition red line connect from the beginning to the end. I found it seems to be a problem with gsn_add_polygon function I used. </span><br></div><div class="gmail_default"><font color="#000000"><span style="font-size:12.800000190734863px"><br></span></font></div><div class="gmail_default"><font color="#000000"><span style="font-size:12.800000190734863px">It's trying to draw a polygon (i.e. a closed shaped), the docs clearly state that if first and last points are not equal then the function will close the shape for you. If you just want a line, then draw a polyline. </span></font></div><div class="gmail_default"><a href="https://www.ncl.ucar.edu/Document/Graphics/Interfaces/gsn_add_polyline.shtml" target="_blank">https://www.ncl.ucar.edu/<wbr>Document/Graphics/Interfaces/<wbr>gsn_add_polyline.shtml</a><font color="#000000"><span style="font-size:12.800000190734863px"><br></span></font></div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default"><span style="color:rgb(0,0,0);font-size:12.800000190734863px">> The third question is how can I add more space between legend labels vertically (i.e. All_F and Aero) in Figure 2?</span><br></div><div class="gmail_default"><a href="https://www.ncl.ucar.edu/Applications/legend.shtml" target="_blank">https://www.ncl.ucar.edu/<wbr>Applications/legend.shtml</a><br></div><div class="gmail_default">Starting point is probably the resource pmLegendHeightF lots of examples of legend layout though. </div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default">Documentation, the user guide and google for old ncl-talk emails will go a long way. </div><div class="gmail_default"><a href="https://www.ncl.ucar.edu/Document/" target="_blank">https://www.ncl.ucar.edu/<wbr>Document/</a><br></div><div class="gmail_default"><br></div><div class="gmail_default">Good luck, </div><div class="gmail_default"><br></div><div class="gmail_default"><br></div><div class="gmail_default"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 13, 2017 at 1:13 PM, 刘振 <span dir="ltr"><<a href="mailto:286909655@qq.com" target="_blank">286909655@qq.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Dear Sir/Madam:</div><div><br></div><div> Attached please find my script and figures. I got three questions about the figures.</div><div> Figure 1: why there is a white line over the equator? How to remove it?</div><div> Figure 2: For All_F in red shading line, why there is a addition red line connect from the beginning to the end. I found it seems to be a problem with gsn_add_polygon function I used. How to remove this line? </div><div> The third question is how can I add more space between legend labels vertically (i.e. All_F and Aero) in Figure 2?</div><div> Look forward to your replies. Thanks.</div><div><br></div><div>Best regards,</div><div>zhen</div><div><br></div><div><div style="color:#909090;font-family:Arial Narrow;font-size:12px">------------------</div><div style="font-size:14px;font-family:Verdana;color:#000"><div>刘振</div>
<div>中山大学<br>环境科学与工程学院<br>大气科学系<br>Phone: <a value="+8615013246049">+86-15013246049</a></div>
<div>Liu Zhen</div>
<div>Department of Atmospheric Science<br>School of Environmental Science and Engineering</div>
<div>Sun Yat-sen University<br>Email address: <font color="#7f7f7f"><a href="mailto:liuzhen9@mail2.sysu.edu.cn" target="_blank">liuzhen9@mail2.sysu.edu.cn</a></font> </div></div></div><div> </div><br>______________________________<wbr>_________________<br>
ncl-talk mailing list<br>
<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a><br>
List instructions, subscriber options, unsubscribe:<br>
<a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank">http://mailman.ucar.edu/mailma<wbr>n/listinfo/ncl-talk</a><br>
<br></blockquote></div><br></div></div></div></div></blockquote></div><br></div>