<div dir="ltr">I am using masking and all is working as should. What is your error?<div><br></div><div>example:</div><div><div>....</div><div>gridv=addfile(hisfile, "r")</div><div>mu = gridv->u(start_record:stop_record:timestep,:,:)</div><div>mv = gridv->v(start_record:stop_record:timestep,:,:)</div></div><div>; mask</div><div>mu = mask(mu,(mu.lt.-1e5).or.(mu.gt.1e5),False)</div><div>mv = mask(mv,(mv.lt.-1e5).or.(mv.gt.1e5),False)</div><div> </div><div><div> mu@lon2d=lon2d</div><div> mu@lat2d=lat2d</div><div> mv@lon2d=lon2d</div><div> mv@lat2d=lat2d</div></div><div><br></div><div><br></div><div>Cheers,</div><div>Ivica</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 31, 2018 at 6:38 AM, <span dir="ltr"><<a href="mailto:ncl-talk-request@ucar.edu" target="_blank">ncl-talk-request@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send ncl-talk mailing list submissions to<br>
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Today's Topics:<br>
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1. plot masked vectors (Michele Petrini - CITG)<br>
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Message: 1<br>
Date: Wed, 30 May 2018 22:38:37 +0000<br>
From: Michele Petrini - CITG <<a href="mailto:M.Petrini@tudelft.nl">M.Petrini@tudelft.nl</a>><br>
To: "<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>" <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>><br>
Subject: [ncl-talk] plot masked vectors<br>
Message-ID: <<a href="mailto:C26FA7BA-202E-4BB5-A91F-78B8B4E644F1@tudelft.nl">C26FA7BA-202E-4BB5-A91F-<wbr>78B8B4E644F1@tudelft.nl</a>><br>
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Dear helpdesk,<br>
<br>
I am trying to plot velocity vectors over a contour (+other stuff, see attached pdf).<br>
<br>
I have a question, is there a way to mask out the small vectors and leave only velocity vectors exceeding some threshold (let?s say 100 m/yr)?<br>
<br>
If I try to mask the u/v variables, I get an error.<br>
<br>
Looking on the internet, I see that there is someone suggesting to overlay two vector contours, but the procedure seems to be a little bit complicated, and I wonder if there exists a simpler way,..<br>
<br>
thanks!<br>
Michele<br>
<br>
<br>
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Michele Petrini, PhD<br>
<br>
Department of Geoscience and Remote Sensing, TUDelft<br>
Delft, The Netherlands<br>
<br>
<a href="mailto:M.Petrini@tudelft.nl">M.Petrini@tudelft.nl</a><mailto:<a href="mailto:M.Petrini@tudelft.nl">M.<wbr>Petrini@tudelft.nl</a>><br>
+39 3398367372<br>
michele.petrins (Skype alias)<br>
<br>
<br>
<br>
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