<div dir="ltr"><div>The figure you point to has pressure level as a left axis. You don't have a level dimension.<br></div><div><br></div><div>---------------------------------<br></div><div><br></div><div> <b><a href="http://www.ncl.ucar.edu/Document/Functions/Contributed/geolocation_circle.shtml">geolocation_circle  </a></b>may be what you want<b>. </b>You can specify a 400 km radius<b><br></b></div><div><b><br></b></div><div><a href="http://www.ncl.ucar.edu/Applications/polyg.shtml"><b>http://www.ncl.ucar.edu/Applications/polyg.shtml</b></a></div><div>See <b>polyg_24 </b>and <b>polyg_25</b><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 17, 2020 at 7:40 AM Md. Jalal Uddin 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 all,<div><br></div><div>The example of regrid 15 ( <a href="https://www.ncl.ucar.edu/Applications/Scripts/regrid_15_regcm.ncl" target="_blank">https://www.ncl.ucar.edu/Applications/Scripts/regrid_15_regcm.ncl</a> ) can produce this figure ( <a href="https://www.ncl.ucar.edu/Applications/Images/regrid_regcm_15_3_lg.png" target="_blank">https://www.ncl.ucar.edu/Applications/Images/regrid_regcm_15_3_lg.png</a> ) for 4 dimensional data [time] x [plev] x [lat] x [lon]. </div><div><br></div><div>I have 3 dimensional data (time, lat, lon), so I could not plot such a figure. Now, I just want to extract data within radius (400 km).</div><div><br></div><div>Any suggestions would be appreciated.</div><div><br></div><div>Best regards,</div><div>Jalal</div><div>-- <br><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><b><span style="font-family:verdana,sans-serif"><font size="2" color="#000000">Md. Jalal Uddin</font></span></b></div><div dir="ltr"><div><span style="font-family:verdana,sans-serif"><font size="2">Founder and Director of Research Society (<a href="https://researchsociety20.org/founder-and-director/" target="_blank">https://researchsociety20.org/founder-and-director/</a>)</font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">PhD candidate - Atmospheric Physics and Atmospheric Environment (NUIST)<span style="background-color:rgb(0,0,0)"><span></span></span></font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">M.Sc. in Applied Meteorology (NUIST)</font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">B.Sc. in Disaster Management (PSTU)</font></span></div><div><span style="font-family:verdana,sans-serif"><font size="2">Email: <a href="mailto:dmjalal90@nuist.edu.cn" target="_blank">dmjalal90@nuist.edu.cn</a></font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">Personal website: <a href="https://dmjalal90.weebly.com/" target="_blank">https://dmjalal90.weebly.com/</a></font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">Research gate profile: <a href="https://www.researchgate.net/profile/Md_Uddin125" target="_blank">https://www.researchgate.net/profile/Md_Uddin125</a>  <br></font></span></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">YouTube channel: <a href="http://www.youtube.com/c/MdJalalUddindmjalal90" target="_blank">http://www.youtube.com/c/MdJalalUddindmjalal90</a> <br></font></span></div></div><div dir="ltr"><span style="font-family:verdana,sans-serif"><font size="2">Cell: +8613260859092, <span style="letter-spacing:0.2px">+8801792052662</span></font></span></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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