<div dir="ltr">Hi Mary, Adam,<div><br></div><div>I test your suggestions, only using gsn_add_polyline works for my purpose.</div><div><br></div><div>Thanks a lot.</div><div>Jian<br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 12, 2015 at 2:03 AM, Adam Phillips <span dir="ltr"><<a href="mailto:asphilli@ucar.edu" target="_blank">asphilli@ucar.edu</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"><div><div><div>Hi Jian,<br></div>Assuming you have tried setting tfPolyDrawOrder = "Draw" and "PreDraw" in the resource list that you pass to gsn_add_polygon, you can also try setting tfPolyDrawOrder = "PostDraw" within the resource list that you pass to gsn_csm_xy.<br><br></div>If neither of those suggestions work one last possibility is to draw the zero line yourself using gsn_add_polyline, and setting tfPolyDrawOrder = "PostDraw" in that resource list..<br></div>Hope that helps.. If not, please respond to ncl-talk and include your script.<br>Adam<br></div><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Wed, Feb 11, 2015 at 7:31 AM, Jian Zheng <span dir="ltr"><<a href="mailto:jzheng8606@gmail.com" target="_blank">jzheng8606@gmail.com</a>></span> wrote:<br></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi NCLers,<div><br></div><div>I want to draw some time series with a zero line and some filled boxes for highlight. I use gsnYRefLine to draw the zero line and gsn_add_polygon to draw the boxes. I find the boxes cover the zero line (see attachment). I have set tfPolyDrawOrder as "Draw". Does anyone know how to set the order to make the boxes at the bottom and NOT covering the zero line?</div><div><br></div><div>Thanks in advance.</div><span><font color="#888888"><div>Jian</div></font></span></div>
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<br></span></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br><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 Division, 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"><a href="tel:303-497-1726" value="+13034971726" target="_blank">303-497-1726</a> </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>
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