Try turning off the curly vectors. It's possible that it hasn't been enabled for that glyph style.<div> -Dave</div><div><br><br>On Friday, November 7, 2014, Xi Chang <<a href="mailto:xi.chang01@gmail.com">xi.chang01@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thanks Dave,<br><br>Anyway, nothing happens when I did as follows (the results are still the same):<br><br> res@gsnScalarContour = True ; vectors over scalars<br> res@vcRefMagnitudeF = 20.0 ; vec magnitude<br> res@vcRefLengthF = 0.06 ; size of ref vector<br> res@vcLineArrowColor = "black" ; white vectors<br> res@vcMinDistanceF = 0.025 ; thins arrows near pole <br> res@vcGlyphStyle = "CurlyVector" ; turns on curley vectors<br> <b>res@vcMinMagnitudeF = 5</b><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Nov 7, 2014 at 12:25 AM, David Brown <span dir="ltr"><<a href="javascript:_e(%7B%7D,'cvml','dbrown@ucar.edu');" target="_blank">dbrown@ucar.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><a href="http://www.ncl.ucar.edu/Document/Graphics/Resources/vc.shtml#vcMinMagnitudeF" target="_blank">http://www.ncl.ucar.edu/Document/Graphics/Resources/vc.shtml#vcMinMagnitudeF</a><br>
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On Thu, Nov 6, 2014 at 4:23 PM, Xi Chang <<a href="javascript:_e(%7B%7D,'cvml','xi.chang01@gmail.com');" target="_blank">xi.chang01@gmail.com</a>> wrote:<br>
> Hallo, is there any trick to display wind vectors only for those whose<br>
> magnitude greater than XXX m/s, bellow this values are not plotted. Im using<br>
> a function called gsn_csm_vector.<br>
><br>
> Thanks<br>
><br>
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