<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi Jiande,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">For just plotting in NCL, it is easiest to use the @lat2d and @lon2d attributes. If you actually need to remap, I will point you to some scripts that I have that use the ESMF remapping routines in NCL.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Dave</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 6, 2017 at 7:50 PM, Jiande Wang - NOAA Affiliate <span dir="ltr">&lt;<a href="mailto:jiande.wang@noaa.gov" target="_blank">jiande.wang@noaa.gov</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Dave:</div><div>  Thanks for your reply.</div><div>  First do you think my two steps approach is necessary or do you think I can regrid the data directly from one tripolar to another tripolar?</div><div>  Second question is how do I take consideration on the rotation angles in these two tripolar grid.</div><div><br></div><div>Cheers,</div><div>Jiande</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 6, 2017 at 4:15 PM, David Bailey <span dir="ltr">&lt;<a href="mailto:dbailey@ucar.edu" target="_blank">dbailey@ucar.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I can help Jiande.<br>
<br>
Dave<br>
<br>
Likely sent from a coffee shop.<br>
<br>
&gt; On Jul 6, 2017, at 6:03 PM, Jiande Wang - NOAA Affiliate &lt;<a href="mailto:jiande.wang@noaa.gov" target="_blank">jiande.wang@noaa.gov</a>&gt; wrote:<br>
&gt;<br>
&gt; Hi,<br>
&gt;   I am new to NCL.<br>
&gt;  I have a tripolar grid ocean data and want to regrid it to another tripolar grid.<br>
&gt;   What I plan to do is first regrid the original tripolar grid data to regular lat/lon data. Then I will regrid the regular data to new tripolar grid.<br>
&gt;   I know what to do in the first step, but not clear on how to do in the second step.<br>
&gt;   Has any one have experience or script on my task?<br>
&gt;<br>
&gt;  Your suggestion will be appreciated.<br>
&gt;<br>
&gt; Thanks<br>
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</blockquote></div><br></div>
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<p>David A Bailey                                                        email: <a href="http://dbailey_at_ucar.edu" target="_blank">dbailey_at_ucar.edu</a><br>National Center for Atmospheric Research   phone: 303-497-1737<br>PO Box 3000                                                             fax  : 303-497-1700<br>Boulder, CO 80307-3000<br>                   <a href="http://www.cgd.ucar.edu/staff/dbailey" target="_blank">http://www.cgd.ucar.edu/staff/dbailey</a></p></div></div></div></div>
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