<div dir="ltr"><div class="gmail_default" style="font-size:small">Sharon,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">If you simply want to plot your WRF data in a cylindrical projection, you don&#39;t need to transform the coordinates first. NCL will do this for you if you provide the XLAT/XLONG information to the plotting script.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">For an example, see wrf_gsn_1.ncl at:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default"><a href="http://www.ncl.ucar.edu/Applications/wrfgsn.shtml">http://www.ncl.ucar.edu/Applications/wrfgsn.shtml</a><br></div><div class="gmail_default"><br></div><div class="gmail_default">The first image of this example is a plot of WRF data using a cylindrical projection.</div><div class="gmail_default"><br></div><div class="gmail_default">--Mary</div><div class="gmail_default"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Feb 25, 2017 at 2:41 AM, 李雯雯 <span dir="ltr">&lt;<a href="mailto:jodie_megan@icloud.com" target="_blank">jodie_megan@icloud.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><br></div><div> Hello!<br></div><div>      Is there any functions in NCL which can transform variables from wrf model grids to the cylindrical coordinates with the storm center or some plotting functions about cylindrical coordinates?<br></div><div><br></div><div><div>Your help is greatly appreciated.</div><div><br></div><div>  Cheers</div><div>  Sharon</div></div></div>
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