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<p>Kalyan,</p>
<p>Does your display show "Entire Grid Undefined" or is it simply a
blank map? Using your descriptor file and data set if I do:</p>
ga-> open model<br>
ga-> d HGTprs(lev=500)-HGTprs(lev=1000)<br>
<br>
I get a blank screen (image1.png). If instead I do this:<br>
<br>
ga-> open model<br>
ga-> set gxout grfill<br>
ga-> d HGTprs(lev=500)-HGTprs(lev=1000)<br>
<br>
I see a bunch of scattered points (image2.png). Zooming to an
arbitrary 10x10-degree region you can see these in more detail
(image3.png)<br>
<br>
ga-> open model<br>
ga-> set gxout grfill<br>
ga-> set lat 20 30<br>
ga-> set lat 10 20<br>
ga-> set lon -160 -140<br>
ga-> d HGTprs(lev=500)-HGTprs(lev=1000)<br>
<br>
I believe this means you don't have enough contiguous points to
generate contours, thus the need for gxout=grfill.<br>
<br>
Jim<br>
<br>
<div class="moz-cite-prefix">On 1/31/17 8:09 PM, kalyan chakravarthy
wrote:<br>
</div>
<blockquote
cite="mid:CAA6N+5s9o6pc7MA2i9gX6ke2KdOd8fbHMjM2+hZ5PDWP0g5=tQ@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_default" style="font-family:courier
new,monospace">Thanks a lot for your reply. I have given the
range of longitudes between 140W to 0. Still I didn't observe
any changes in the plot.</div>
<div class="gmail_default" style="font-family:courier
new,monospace"><br>
</div>
<div class="gmail_default" style="font-family:courier
new,monospace">Regards,</div>
<div class="gmail_default" style="font-family:courier
new,monospace">Kalyan</div>
<div class="gmail_default" style="font-family:courier
new,monospace"> </div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jan 31, 2017 at 5:54 PM, James
T. Potemra <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jimp@hawaii.edu" target="_blank">jimp@hawaii.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>Hi Kalyan,</p>
<p>There are a lot of missing data in your file, so that
might be why contours/shading doesn't show up. If you
use "set gxout grfill" before "d thick" you can see all
the valid grid cells. Also note that your longitude
values are somewhat unconventional and run from -220
-0.4375 (140E to 0), so make sure your "set lon x1 x1"
is within that range.</p>
<p>Jim<br>
</p>
<div>
<div class="h5"> <br>
<div class="m_4544232003324332769moz-cite-prefix">On
1/31/17 3:31 PM, kalyan chakravarthy wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div class="h5">
<div dir="ltr">
<div class="gmail_default"
style="font-family:courier new,monospace">Hi
Everyone,</div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">By
using NARR data, I am trying to plot the
thickness between 500-1000mb levels. I am having
an ctl file to open the grib file. </div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">I have
used the following commands to read and plot the
file</div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">Open
model.ctl</div>
<div class="gmail_default"
style="font-family:courier new,monospace">set
lat y1 y2</div>
<div class="gmail_default"
style="font-family:courier new,monospace">set
lon x1 x2</div>
<div class="gmail_default"
style="font-family:courier new,monospace">define
thick=HGTprs(lev=500)-HGTprs(<wbr>lev=1000)</div>
<div class="gmail_default"
style="font-family:courier new,monospace">d
thick</div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">But I
didn't see any shaded or contours drawn. Can
anyone helpme with the problem. </div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">I have
attached the data files.</div>
<div class="gmail_default"
style="font-family:courier new,monospace"><br>
</div>
<div class="gmail_default"
style="font-family:courier new,monospace">Thanks
in advance</div>
<div class="gmail_default"
style="font-family:courier new,monospace">Kalyan
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solid rgb(221,221,221);line-height:1"><a
moz-do-not-send="true"
href="https://drive.google.com/file/d/0B5GylLRnzAPJeFBpUDNPOFc3aGM/view?usp=drive_web"
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solid rgb(221,221,221);line-height:1"><a
moz-do-not-send="true"
href="https://drive.google.com/file/d/0B5GylLRnzAPJaG4tMTd5YkpxWTg/view?usp=drive_web"
style="display:inline-block;max-width:366px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px
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solid #ddd;line-height:1"><a
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href="https://drive.google.com/file/d/0B5GylLRnzAPJWHBOQjRGMFJwZlU/view?usp=drive_web"
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src="https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png"> <span
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