<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Apr 30, 2014, at 11:11 AM, Bob Kuligowski - NOAA Federal wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
  
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    <div class="moz-cite-prefix">Davide--Your suggestion worked; thanks!<br></div></div></blockquote>It's always good to have a workaround.&nbsp;</div><div><br><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000"><div class="moz-cite-prefix">
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      Jennifer--I couldn't get your suggestions to work in a script.&nbsp;</div></div></blockquote>If you don't mind, I would like to follow up on why the direct approach isn't working for you.&nbsp;</div><div>Can you show the simplest possible script that illustrates this failure?&nbsp;</div><div>What version of GrADS are you using?</div><div><br><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000"><div class="moz-cite-prefix">
      However, I could get it to work in command line mode, but the
      selected color would display only if datawarn was set to *on*; </div></div></blockquote>That's correct.</div><div><br><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000"><div class="moz-cite-prefix">if
      it was off then it plotted the background color field like
      before.&nbsp;</div></div></blockquote><div>I cannot duplicate this behavior.&nbsp;</div><div><br></div><div><div>'clear'</div><div>'d ps'</div><div>'set datawarn off'</div><div>'set ccolor 8'</div><div>'d const(ps,10)'</div><div><br></div><div>The second display command does not cover the existing plot with a constant field of any color.&nbsp;</div><div>--Jennifer</div><div><br></div></div><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000"><div class="moz-cite-prefix">I'm not sure why that is, but thanks for your help also!<br></div></div></blockquote><br><blockquote type="cite"><div bgcolor="#FFFFFF" text="#000000"><div class="moz-cite-prefix">
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      Cheers,<br>
      Bob<br>
      <br>
      Davide--<br>
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    <blockquote cite="mid:4AEA5810-2276-48C2-9CB0-D5EB25843990@cola.iges.org" type="cite">To control the color of the constant field, use 'set
      ccolor'. To disable drawing of the constant color entirely, use
      'set datawarn off'.&nbsp;
      <div>--Jennifer</div>
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                <div>On Apr 30, 2014, at 9:52 AM, Davide Sacchetti
                  wrote:</div>
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                  <div>the only trick I know is:<br>
                    - understand if the field is constant or not (by set
                    gxout stat: compare<br>
                    min and max)<br>
                    - if constant add a little varying field, eg.: if
                    mslp is constant<br>
                    display something like mslp +lon/10000<br>
                    <br>
                    its' not clean but it's what I'm doing ...<br>
                    Davide<br>
                    <br>
                    On Wed, 2014-04-30 at 08:50 -0400, Bob Kuligowski -
                    NOAA Federal wrote:<br>
                    <blockquote type="cite">All,<br>
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                    <blockquote type="cite"><br>
                    </blockquote>
                    <blockquote type="cite"> &nbsp;&nbsp;&nbsp;&nbsp;When GrADS plots a
                      constant field usinggxout grfill it plots a <br>
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                    <blockquote type="cite">blank (white) field instead
                      of using the appropriate color. Is there a <br>
                    </blockquote>
                    <blockquote type="cite">way to override this?
                      &nbsp;Thanks!<br>
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                    </blockquote>
                    <blockquote type="cite">Cheers,<br>
                    </blockquote>
                    <blockquote type="cite"><br>
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                    <br>
                    -- <br>
                    Davide Sacchetti<br>
                    Centro Funzionale Meteo Idrologico di Protezione
                    Civile della Regione Liguria<br>
                    ARPAL Unità Tecnica Complessa di livello Regionale<br>
                    V.le Brigare Partigiane 2 16121 Genova (I)<br>
                    tel: +39 010 6437535 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fax: +39 010
                    6437520<br>
                    mail: <a moz-do-not-send="true" href="mailto:davide.sacchetti@arpal.gov.it">davide.sacchetti@arpal.gov.it</a>
                    &nbsp;&nbsp;&nbsp;&nbsp;web: <a moz-do-not-send="true" href="http://www.meteoliguria.it/">www.meteoliguria.it</a><br>
                    <br>
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                          <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&nbsp;<br>
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    <pre class="moz-signature" cols="72">-- 
Bob Kuligowski, Ph.D.
Meteorologist
NOAA/NESDIS/Center for Satellite Applications and Research (STAR)

Mailing Address:
National Oceanic and Atmospheric Administration
NESDIS STAR/SMCD
Bob Kuligowski
NCWCP E/RA2
5830 University Research Court
2nd Floor, Office #2828
College Park, MD 20740-3818

Phone:  (301) 683-3593
Fax  :  (301) 683-3616

<a class="moz-txt-link-freetext" href="http://www.star.nesdis.noaa.gov/star/Kuligowski_B.php">http://www.star.nesdis.noaa.gov/star/Kuligowski_B.php</a>
<a class="moz-txt-link-freetext" href="http://www.star.nesdis.noaa.gov/smcd/emb/ff/index.php">http://www.star.nesdis.noaa.gov/smcd/emb/ff/index.php</a>

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<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; 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&nbsp;<br><br></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></div></span></span><br class="Apple-interchange-newline">
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