<div dir="ltr"><div>**I am NOT a graphics expert.**</div><div>-----<br></div><div>What "number format" do you want? The following is for tickmarks but, I think, the following could be used for the wind annotation<br></div><div>See: <a href="https://www.ncl.ucar.edu/Applications/tickmarks.shtml#ex8"><b>https://www.ncl.ucar.edu/Applications/tickmarks.shtml#ex8</b></a></div><div><br></div><div>-----<br></div><div><pre><span style="font-family:arial,sans-serif">There are few (if any) examples that explicitly illustrate an answer to your question.<br>See <a href="https://www.ncl.ucar.edu/Applications/Scripts/unique_4.ncl"><b>Example 4</b></a> at <a href="https://www.ncl.ucar.edu/Applications/unique.shtml"><b>UNIQUE</b></a><br></span></pre><pre><span style="font-family:arial,sans-serif">The following explicitly adds "meters per second" as the units <br>
  vcres@vcRefAnnoString1         = "$VMG$ meters per second"      ;  "$VMG$ mps"<br><br>$<b>VMG</b>$: The magnitude represented by the annotation's arrow. </span></pre></div><div><pre> ---- </pre></div><div>Likely, there are other approaches but I have not experience with the wind annotation object.</div><div><br></div><div>Hopefully, after the Thanksgiving holidays someone will respond.</div><div><br></div><div>Stay Healthy</div><div><br></div><div><pre>  </pre></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 24, 2020 at 1:41 PM Mariangel Fedrizzi - NOAA Affiliate via ncl-talk <<a href="mailto:ncl-talk@mailman.ucar.edu">ncl-talk@mailman.ucar.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>Can I change the number format and add units to the label box in this figure?</div><div><br></div><div><a href="https://www.ncl.ucar.edu/Applications/Images/weather_sym_9_lg.png" target="_blank">https://www.ncl.ucar.edu/Applications/Images/weather_sym_9_lg.png</a><br></div><div><br></div><div>Thanks,</div><div>Mariangel.</div></div>
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