<div dir="ltr"><div><div>Jennifer,<br><br></div>I agree. Not sure how that happened. I used NOAA&#39;s Weather and Climate Toolkit to convert the radar data to netCDF so maybe something went amiss in that process.<br><br></div>
Thanks for your help,<br>Sytske<br><br></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div>Sytske (seets-kah) Kimball<br>Professor of Meteorology</div>
<div>Director, South Alabama Mesonet<br>Dept. of Earth Sciences<br>University of South Alabama<br>Mobile, AL<br>phone (251) 460-7031 </div>
<div>fax       (251) 460-7886<br>email   <a href="mailto:skimball@usouthal.edu" target="_blank">skimball@southalabama.edu</a></div>
<div>web:   <a href="http://chiliweb.southalabama.edu/" target="_blank">http://chiliweb.southalabama.edu/</a><div style="width:16px;height:16px;display:inline-block"> </div></div></div></div>
<br><br><div class="gmail_quote">On Fri, Sep 20, 2013 at 3:25 PM, Jennifer Adams <span dir="ltr">&lt;<a href="mailto:jma@cola.iges.org" target="_blank">jma@cola.iges.org</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word"><br><div><div>On Sep 20, 2013, at 4:17 PM, Sytske Kimball wrote:</div><br><blockquote type="cite"><div dir="ltr">Jennifer,<br><br>Thanks for your response. Replies are added in below.<br>
<div><div class="gmail_extra"><br clear="all"><br><div class="gmail_quote">On Fri, Sep 20, 2013 at 3:03 PM, Jennifer Adams <span dir="ltr">&lt;<a href="mailto:jma@cola.iges.org" target="_blank">jma@cola.iges.org</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><br><div><div>On Sep 20, 2013, at 3:47 PM, Andrew Friedman wrote:</div>

<br><blockquote type="cite"><div>Hi Sytske,<br><br>In your script you have 2 plot settings right after each other:<br><br>&#39;set gxout grfill&#39;<br>&#39;set gxout shaded&#39;<br><br>I believe the second one overrides the first. Try commenting it out to see what the grfill plot looks like.<br>

</div></blockquote><div>That&#39;s right -- grfill will give a better view of actual grid box size. What does &#39;q ctlinfo&#39; give you after you invoke sdfopen?  </div></div></div></blockquote><div><br></div><div>The plot with &#39;set gxout shaded&#39; commented out, is attached - not very nice looking...….<br>
</div></div></div></div></div></blockquote>True, but that pixelated nature of the data explains why your shaded plot looked even worse. </div><div><br><blockquote type="cite"><div dir="ltr"><div><div class="gmail_extra"><div class="gmail_quote">
<div>
</div><div>&#39;q ctlinfo&#39; came back with the following:<br><br>dset KMOB_V03_20091110_035730.nc<br>title Nexrad 2 radar dataset  03:57:30 UTC  11/10/2009<br>undef -999<br>dtype netcdf<br>xdef 800 linear -127.06 0.0776505<br>

ydef 490 linear 20.4756 0.0776505<br></div></div></div></div></div></blockquote>Which is about an 8km grid. I&#39;m guessing the radar data is much higher resolution than that. </div><div>--Jennifer</div><div><br></div><div>
<br></div><div><br><blockquote type="cite"><div dir="ltr"><div><div class="gmail_extra"><div class="gmail_quote"><div>zdef 1 linear 0 1<br>tdef 1 linear 03:57Z10NOV2009 1mn<br>vars 1<br>Reflectivity=&gt;reflectivity  0  t,y,x  Nexrad 2 radar dataset<br>
endvars<br><br> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style="word-wrap:break-word"><div><br><blockquote type="cite"><div><br>Also, you could try changing the shaded plot setting to the higher-resoluttion algorithm:<br>&#39;set gxout shade2b&#39;<br></div></blockquote><div>

shade2b is not higher resolution -- it has more smaller polygons and takes longer to render. shade2 and shade2b should look exactly the same. </div></div></div></blockquote><div><br></div><div>&#39;set gxout shaded&#39; and &#39;set gxout shade2&#39; look the same.<br>

<br></div><div>Sytske<br></div><div><br> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="word-wrap:break-word"><div><div><br>
</div>
--Jennifer</div><div><br><blockquote type="cite"><div><br>Andrew<br><br>On Sep 20, 2013, at 12:23 PM, Sytske Kimball &lt;<a href="mailto:skimball@southalabama.edu" target="_blank">skimball@southalabama.edu</a>&gt; wrote:<br>

<br><blockquote type="cite">Dear GrADS users,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I (finally) managed to plot a NEXRAD radar reflectivity fil, in netCDF format, using GrADS. The plot is attached (IdaRadar-test.png) as is the original radar image for the same area, displayed using GRLevelII (RadarLevel2.png). I can&#39;t figure out why the resolution on the GrADS image is so much worse than on the original image. The script is also attached.<br>

</blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Any help would be much appreciated.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Thank you in advance,<br>
</blockquote>
<blockquote type="cite">Sytske<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Sytske (seets-kah) Kimball<br></blockquote><blockquote type="cite">Professor of Meteorology<br></blockquote>
<blockquote type="cite">
Director, South Alabama Mesonet<br></blockquote><blockquote type="cite">Dept. of Earth Sciences<br></blockquote><blockquote type="cite">University of South Alabama<br></blockquote><blockquote type="cite">Mobile, AL<br></blockquote>

<blockquote type="cite">phone (251) 460-7031<br></blockquote><blockquote type="cite">fax       (251) 460-7886<br></blockquote><blockquote type="cite">email   <a href="mailto:skimball@southalabama.edu" target="_blank">skimball@southalabama.edu</a><br>

</blockquote><blockquote type="cite">web:   <a href="http://chiliweb.southalabama.edu/" target="_blank">http://chiliweb.southalabama.edu/</a> <br></blockquote><blockquote type="cite">&lt;RadarLevel2.png&gt;&lt;IdaRadar-test.png&gt;&lt;StationPlot+<a href="http://radar2.gs/" target="_blank">radar2.gs</a>&gt;_______________________________________________<br>

</blockquote><blockquote type="cite">gradsusr mailing list<br></blockquote><blockquote type="cite"><a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br></blockquote><blockquote type="cite">
<a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
</blockquote><br><br>_______________________________________________<br>gradsusr mailing list<br><a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br><a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>

</div></blockquote></div><br><div>
<span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:medium;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><div style="word-wrap:break-word">

<span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><div>

--</div><div>Jennifer M. Adams<br>Center for Ocean-Land-Atmosphere Studies (COLA)<br>111 Research Hall, Mail Stop 2B3<br>George Mason University<br>4400 University Drive<br>Fairfax, VA 22030 <br><br></div><div><br></div>
<br>
</span></span></div></span></span><br>
</div>
<br></div><br>_______________________________________________<br>
gradsusr mailing list<br>
<a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br>
<a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
<br></blockquote></div><br></div></div></div>
<span>&lt;IdaRadar-test2.png&gt;</span>_______________________________________________<br>gradsusr mailing list<br><a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br><a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
</blockquote></div><br><div>
<span style="text-indent:0px;letter-spacing:normal;font-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:medium;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><div style="word-wrap:break-word">
<span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;font-size:12px;white-space:normal;font-family:Helvetica;word-spacing:0px"><div>
--</div><div>Jennifer M. Adams<br>Center for Ocean-Land-Atmosphere Studies (COLA)<br>111 Research Hall, Mail Stop 2B3<br>George Mason University<br>4400 University Drive<br>Fairfax, VA 22030 <br><br></div><div><br></div><br>
</span></span></div></span></span><br>
</div>
<br></div><br>_______________________________________________<br>
gradsusr mailing list<br>
<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>
<a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
<br></blockquote></div><br></div>