<div dir="ltr"><div><div><div>Dear Jeff and Davide,<br><br></div>Thank you very much. Actually I would like to plot 0 value contours as shown in the attached figures, but I don't need to display these contours and 0 labels between latitude 20N til 45N. I just need to have these labels and contours over the tropical region. The attached plot is done using following maskout expression. MassFluxMean is the name of the variable.<br><br>'set clevs 0'<br>'d maskout(MassFluxMean,0)'<br><br></div>Best regards,<br></div>Mubashar<br><div><div><div><div><br></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 27, 2017 at 8:38 PM, Jeff Duda <span dir="ltr"><<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Unless you have a strict objective way to define the ITCZ, you may not be able to get the exact results you want. But one thing you can try is to mask your field by latitude:<br><br></div>'d maskout(field,abs(lat)-10)'<br><br></div>The above command would plot a field only within 10 deg. of the equator. Adjust for your specific longitude band.<br><br></div>Jeff Duda<br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Mon, Feb 27, 2017 at 7:04 AM, Mubashar Ahmad <span dir="ltr"><<a href="mailto:mubashardogar@gmail.com" target="_blank">mubashardogar@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div><div><div>Dear GrADS users,<br><br></div>I would like to draw 0 contour border (over tropical ITCZ region) in the upper panel of attached figure. If I simply use command "set gxout contour, or 'set clevs 0' and then display my variable it will draw many contours, but I don't want to display 0 values every where, instead I want it across ITCZ area (tropical region, red color) in the upper panel of attached figure. How can I do it in GrADS?<br><br></div>Thanks and best regards,<br><br></div>Mubashar<br></div>
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<br></span></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br><div class="m_-8024025026289470111gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Jeff Duda<br>Post-doctoral research fellow<br>University of Oklahoma School of Meteorology<br></div></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div>Muhammad Mubashar Ahmad Dogar<br>Scientific Officer (Climatology Section),<br>Global Change Impact Studies Centre (GCISC),<br>NCP complex, Quaid-e-Azam University Campus,<br>Shahdra road, Islamabad, Pakistan.<br>email: <a href="mailto:muhammad.dogar@kaust.edu.sa" target="_blank">muhammad.dogar@kaust.edu.sa</a> <br></div> <a href="mailto:mubashardogar@gmail.com" target="_blank">mubashardogar@gmail.com</a><br></div> <a href="mailto:mubashardogar@yahoo.com" target="_blank">mubashardogar@yahoo.com</a><br></div></div>
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