<div dir="ltr">hello respected users,<br><br>I have wrf data and converted trough arwpost for grads compatible. My
data in pressure levels. I am using grads 2.1v. Now i want to plot
vertical cross section of horizontal divergence in grads. this is my
error;<br><br> set lat 30<br>
set lon 74 81<br>
set lev 1000 100<br>
set t 9<br>d hdivg(u,v) <br><br>Error from HDIVG: Invalid dimension environment<br> Horizontal environment (X, Y Varying) is required<br>Operation Error: Error from hdivg function<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression <br> Expression = hdivg(u,v)<br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div>with Regards,</div>N.Narasimha Rao</div></div>
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