<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Sep 20, 2013, at 4:17 PM, Sytske Kimball wrote:</div><br class="Apple-interchange-newline"><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"><<a href="mailto:jma@cola.iges.org" target="_blank">jma@cola.iges.org</a>></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>'set gxout grfill'<br>'set gxout shaded'<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's right -- grfill will give a better view of actual grid box size. What does 'q ctlinfo' give you after you invoke sdfopen? </div></div></div></blockquote><div><br></div><div>The plot with 'set gxout shaded' 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>'q ctlinfo' 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'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=>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>'set gxout shade2b'<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>'set gxout shaded' and 'set gxout shade2' 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 <<a href="mailto:skimball@southalabama.edu" target="_blank">skimball@southalabama.edu</a>> 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'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"><RadarLevel2.png><IdaRadar-test.png><StationPlot+<a href="http://radar2.gs/" target="_blank">radar2.gs</a>>_______________________________________________<br>
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--</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>
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