<div><br></div><div>Dear Rick,</div><div><br></div><div>Really appreciate your help! It works!</div><div><br></div><div>Attached is my script to add domain idx. </div><div><br></div><div><span style="line-height: 1.5;">But I still have a minor question: when the minimum contour level of terrain height (unit: m) is set to 0, the ocean area shows green. Only when set to 2, the ocean displays correctly (shown below). Why? </span></div><div><span style="line-height: 1.5;">The terrain data is output from WRF model. </span></div><div><span style="line-height: 1.5;"><br></span></div><div><span style="line-height: 1.5;">Best regards,</span></div><div>Qi</div><div><br></div><div><br></div><div>ncl script:</div><div><div> xbox = (/lon2(0,0),lon2(0,nx2),lon2(ny2,nx2),lon2(ny2,0),lon2(0,0)/)</div><div> ybox = (/lat2(0,0),lat2(0,nx2),lat2(ny2,nx2),lat2(ny2,0),lat2(0,0)/)</div><div> datatondc(map, xbox, ybox, xbox_out, ybox_out)</div><div> gsn_polyline_ndc(wks, xbox_out, ybox_out, lnres)</div><div>; domain 2 idx</div><div> gsn_text_ndc(wks, "d02" , xbox_out(3), ybox_out(3), txres)<span id="_editor_bookmark_start_0" style="display: none; line-height: 0px;"></span></div></div><div><br></div><div><img src="cid:2BFCF807@AA32EF10.36FD1C55"><span id="_editor_bookmark_start_2" style="display: none; line-height: 0px;"></span></div><div><br></div><div><br></div><div><div><br></div><div><img src="cid:2FFFF406@AA32EF10.36FD1C55"><span id="_editor_bookmark_start_1" style="display: none; line-height: 0px;"></span></div><div><br></div><div style="font-size: 12px;font-family: Arial Narrow;padding:2px 0 2px 0;">------------------ Original ------------------</div><div style="font-size: 12px;background:#efefef;padding:8px;"><div><b>From: </b> "Rick Brownrigg";<brownrig@ucar.edu>;</div><div><b>Date: </b> Thu, Apr 2, 2015 00:47 AM</div><div><b>To: </b> "LI Qi"<liqi123sh@qq.com>; <wbr></div><div><b>Cc: </b> "ncl-talk"<ncl-talk@ucar.edu>; <wbr></div><div><b>Subject: </b> Re: [ncl-talk] add string on each domain</div></div><div><br></div><div dir="ltr"><div><div>Hi,<br><br></div>There's probably a couple of ways to do this. gsn_add_text allows you to add and position text in the coordinate space of the data:<br><br><a href="http://ncl.ucar.edu/Document/Graphics/Interfaces/gsn_add_text.shtml">http://ncl.ucar.edu/Document/Graphics/Interfaces/gsn_add_text.shtml</a><br><br><br></div><div>In the example script you referenced, you'd want to make this call before the call to "draw(map)" for plot 3.<br><br>Alternatively, you can position the text in normalized-device-coordinate space (NDC-space) using gsn_text_ndc():<br><br><a href="http://ncl.ucar.edu/Document/Graphics/Interfaces/gsn_text_ndc.shtml">http://ncl.ucar.edu/Document/Graphics/Interfaces/gsn_text_ndc.shtml</a><br><br></div><div>Look in particular at how the nested domain's outline was drawn *on top of* plot3 using NDC coordinates:<br><pre>; PLOT 3
draw(map) ; domain 2 already overlaid here - so just draw again
xbox = (/lon2(0,0),lon2(0,nx2),lon2(ny2,nx2),lon2(ny2,0),lon2(0,0)/)
ybox = (/lat2(0,0),lat2(0,nx2),lat2(ny2,nx2),lat2(ny2,0),lat2(0,0)/)
datatondc(map, xbox, ybox, xbox_out, ybox_out)
gsn_polyline_ndc(wks, xbox_out, ybox_out, lnres)<br><br></pre><pre>Hope that helps...<br></pre><pre>Rick<br></pre><br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 31, 2015 at 8:35 PM, LI Qi <span dir="ltr"><<a href="mailto:liqi123sh@qq.com" target="_blank">liqi123sh@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>Hello NCL community,</div><div><br></div><div>I was wondering how to add strings like d01 and d02 in the top-left corner of each domain separately.</div><div><br></div><div>The plot of nested domains is shown below.</div><div>( <a href="http://www2.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/EXPERIMENTAL/wrf_overlay_doms.htm" target="_blank">http://www2.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/EXPERIMENTAL/wrf_overlay_doms.htm</a> )<span style="line-height:0px"></span></div><div><br></div><div><img src="http://www2.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/EXPERIMENTAL/wrf_overlay_doms-2.png"><span style="line-height:0px"></span></div><div><br></div><br>_______________________________________________<br>
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