<div dir="ltr"><div>Hi you can use (...)<br><br><div style="font-family:sans-serif"><font size="1">'reinit'</font></div><div style="font-family:sans-serif"><font size="1">'sdfopen <a href="http://u.nc">u.nc</a>'</font></div><div style="font-family:sans-serif"><font size="1">'sdfopen <a href="http://v.nc">v.nc</a>'<br></font></div><div style="font-family:sans-serif"><font size="1">'set t 1 last'<br></font></div><div style="font-family:sans-serif"><font size="1">'set lat -60 20 '</font></div><div style="font-family:sans-serif"><font size="1">'set lon -100 -20'</font></div><div style="font-family:sans-serif"><font size="1">'set arrscl 0.2 5' ;***#</font><span id="result_box" class="" lang="en"><span class="">length of the arrow</span> (0.2) <span class="">and</span> <span class="">magnitude (5)<br></span></span></div><div style="font-family:sans-serif"><font size="1">'set arrowhead 0.08' ;*</font><span id="result_box" class="" lang="en"><span class="">arrowhead</span> <span class="">size<br><br><br></span></span></div><div style="font-family:sans-serif"><font size="1">'d skip(uwnd,2,2);vwnd.2'</font></div><br><br></div>Cheers!<br>Carlos<br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-01-22 21:20 GMT-02:00 Habib Ghaedamini <span dir="ltr"><<a href="mailto:habibamini@gmail.com" target="_blank">habibamini@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><p class="MsoNormal" style="margin-bottom:0pt;color:rgb(80,0,80);font-size:12.8000001907349px"><span style="font-family:'Times New Roman',serif;font-size:12pt">Dear user Grads</span></p><p class="MsoNormal"><font face="Times New Roman, serif" color="#500050"><span style="font-size:12pt;line-height:18.3999996185303px">I was tried to analyzing U850 and V850 </span><span style="font-size:16px;line-height:18.3999996185303px">component</span><span style="font-size:12pt;line-height:18.3999996185303px"> winds with nc file that were extracted from </span><span style="font-size:16px;line-height:18.3999996185303px">MERRA (Atached files)</span></font><span style="color:rgb(80,0,80);font-size:12pt;line-height:18.3999996185303px;font-family:'Times New Roman',serif">. </span></p><p class="MsoNormal"><font face="Times New Roman, serif" color="#500050"><span style="font-size:12pt;line-height:18.3999996185303px">These data have the same spatial extended and resolution. My problem is the opening two files concurrently and calculations (such as average, summation, etc.) with them. For example, when I opened one file I </span><span style="font-size:16px;line-height:18.3999996185303px">couldn't</span><span style="font-size:12pt;line-height:18.3999996185303px"> open another file at same time. An error is the gridded error when I use the average or summation commands. How can I do these analyzing in Grads?</span></font></p><p class="MsoNormal"><span style="color:rgb(80,0,80);font-size:12pt;line-height:18.3999996185303px;font-family:'Times New Roman',serif">Best Regards</span></p></div>
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