<div dir="ltr"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Hi Jennifer,</div><div dir="ltr"><br></div><div dir="ltr">Thank you for the response. </div><div dir="ltr"><br></div><div dir="ltr">Actually,  your suggestion is similar to what I did. </div><div dir="ltr">I saved the contour as a shapefile then extract the lat-lon from that using GIS.</div><div dir="ltr"><br></div><div>I think there is no direct method to do this.</div><div><br></div><div><br></div><div>Best,</div><div><br></div><div>Lyndz.</div><div><br></div><div><br></div><div dir="ltr"><br><div><br></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Apr 25, 2019 at 8:07 PM Jennifer M Adams <<a href="mailto:jadams21@gmu.edu">jadams21@gmu.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">Hi, Lyndz — <br>
Try using ‘set gxout kml’ and ‘set kml -line’ and draw the one contour. Then you can parse the .kml file to get the lon,lat coordinates of each vertex along the contour line. It’s not a direct path to what you need, but it should work. <br>
—Jennifer<br>
<br>
> On Apr 24, 2019, at 9:39 PM, Lyndz <<a href="mailto:olagueralyndonmark429@gmail.com" target="_blank">olagueralyndonmark429@gmail.com</a>> wrote:<br>
> <br>
> Dear GrADS experts,<br>
> <br>
> I have the following plot generated using GrADS.<br>
> The red line is the 0 contour line of meridional wind speed (vwnd).<br>
> <br>
> 'set gxout contour'<br>
> 'set t 'Tmin<br>
> 'set ccolor 9'<br>
> 'set clevs 0'<br>
> 'set cthick 6'<br>
> 'd vwnd(lev=925)'<br>
> <br>
> I would like to extract the lat-lon points along the contour line.<br>
> Is this possible in GrADS?<br>
> I'll appreciate any help.<br>
> <br>
> Sincerely,<br>
> Lyndz<br>
> <br>
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<br>
--<br>
Jennifer Miletta Adams<br>
Center for Ocean-Land-Atmosphere Studies (COLA)<br>
George Mason University<br>
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