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<p class="MsoNormal"><span style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Another way to do this that doesn't involve creating a &quot;dum2&quot; variable is to use &quot;unique_string&quot; to create a unique name, and then use this unique name as an attribute to any variable that
 holds the return value from gsn_add_polygon. I usually use the &quot;plot&quot; variable:</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<p class="MsoNormal"><span style="font-family:&quot;Courier New&quot;">&nbsp;plot@$unique_string(&quot;polygon&quot;)$ = gsn_add_polygon(wks,plot_without_ygrid,xbar,ybar,bres)<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<p class="MsoNormal">Hopefully by fixing this, your other issues with colors will resolve themselves.<o:p></o:p></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<p class="MsoNormal">--Mary<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Hello Mary,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thank you for this very creative solution.&nbsp; I can see where this could be used in so many other places.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Very much appreciated!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Griff.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#1F497D">Griffith Young
</span></b><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#1F497D">| SITOC&nbsp;</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
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</span><b><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#1F497D">Research and Development Branch</span></b><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:#1F497D"><br>
Bureau of Meteorology<br>
GPO Box 1289 Melbourne VIC 3001<br>
Level 9, 700 Collins Street, Docklands VIC 3008<br>
Tel: &#43;61 3 9616 8381 | <a href="mailto:G.Young@bom.gov.au">G.Young@bom.gov.au</a><br>
<a href="http://www.bom.gov.au/">www.bom.gov.au</a> - cawcr.gov.au - poama.bom.gov.au</span><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p></o:p></span></p>
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