<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><font face="Times New Roman,serif" size="3"><span style="font-size:12pt;"><font face="Calibri,sans-serif" size="2" color="#1F497D"><span style="font-size:11pt;"></span></font></span></font><span lang="en-US"><div style="margin:0;"><font face="Times New Roman,serif" size="3"><span style="font-size:12pt;"><font face="Calibri,sans-serif" size="2" color="#1F497D"><span style="font-size:11pt;">I have tried to plot the fields in GrADS, but failed. I used <br></span></font></span></font></div>
<div style="margin:0;"><font face="Times New Roman,serif" size="3"><span style="font-size:12pt;"><font face="Calibri,sans-serif" size="2" color="#1F497D"><span style="font-size:11pt;">pdef 90 65 ROTLLR 180.0 53.0 0.6055 0.6281 -125.61 11.92</span></font></span></font></div>
<div style="margin:0;"><font face="Times New Roman,serif" size="3"><span style="font-size:12pt;"><font face="Calibri,sans-serif" size="2" color="#1F497D"><span style="font-size:11pt;">either ROTLL or ROTLLR doesn’t work properly, I only get a small portion
of the plot. </span></font></span></font></div>
<div style="margin:0;"><font face="Times New Roman,serif" size="3"><span style="font-size:12pt;"><font face="Calibri,sans-serif" size="2" color="#1F497D"><span style="font-size:11pt;">The shaded is the one with pdef, the contour is when I took off the pdef
line in the ctl file.<br><br>I couldn't find much about how to use ROTLL, please help. Thanks a lot.<br><br><br></span></font></span></font></div></span></td></tr></table>