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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Victor, thank you. Removing Ngl.end() solved the trouble.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Matt<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Victor Gensini [mailto:vgensini@niu.edu]
<br>
<b>Sent:</b> Tuesday, April 3, 2018 10:05 AM<br>
<b>To:</b> Fearon, Dr. Matthew, Contractor, Code 7533; pyngl-talk@ucar.edu<br>
<b>Subject:</b> Re: PyNGL script help<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p><span style="font-family:"Garamond","serif";color:black">Hi Matt, <o:p></o:p></span></p>
<p><span style="font-family:"Garamond","serif";color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Garamond","serif";color:black">It looks like Ngl.end() is destroying the workspace. Try removing that and see if it works. <o:p></o:p></span></p>
<p><span style="font-family:"Garamond","serif";color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Garamond","serif";color:black">vg<o:p></o:p></span></p>
<p><span style="font-family:"Garamond","serif";color:black"><o:p> </o:p></span></p>
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<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">---------------------------------------</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">Dr. Vittorio (Victor) A. Gensini</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">Assistant Professor</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">Department of Geographic and Atmospheric Sciences</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">Northern Illinois University</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">Davis Hall (DH), Room 118</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black">DeKalb, IL 60115</span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
<p><span style="font-size:11.0pt;font-family:"Garamond","serif";color:black"><a href="http://atlas.niu.edu" id="LPNoLP">http://atlas.niu.edu</a></span><span style="font-family:"Calibri","sans-serif";color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"> pyngl-talk <pyngl-talk-bounces@ucar.edu> on behalf of Fearon,
Dr. Matthew, Contractor, Code 7533 via pyngl-talk <pyngl-talk@ucar.edu><br>
<b>Sent:</b> Tuesday, April 3, 2018 11:59:15 AM<br>
<b>To:</b> pyngl-talk@ucar.edu<br>
<b>Subject:</b> [pyngl-talk] PyNGL script help</span> <o:p></o:p></p>
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<p class="xmsonormal"><span style="color:#1F497D">Dear PyNGL users:</span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D">The following set of errors I am receiving are hard to diagnose. Any assistance would be appreciated. My script is attached and errors are below.
</span>I’ve a created a small script to plot COAMPS model output. The script works for one iteration, but then gives a series of errors on the second iteration. However, if I skip the first iteration, the second works<span style="color:#1F497D">… and so one.
</span>. <o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">Thank you,<o:p></o:p></p>
<p class="xmsonormal">Matt<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">forecast hour: 00090000<o:p></o:p></p>
<p class="xmsonormal">fatal:["Error.c":406]:ErrorInitialize:Only one instance of ErrorClass is supported<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to initialize layer-Can't Create<o:p></o:p></p>
<p class="xmsonormal">fatal:Error Creating ErrorClass object<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to initialize layer-Can't Create<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to initialize layer-Can't Create<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Unable to access "default" App object<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Invalid Parent id #-4<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlGetValues:PID #-4 is invalid<o:p></o:p></p>
<p class="xmsonormal">fatal:PID #-4 can't be found in NhlSetValues<o:p></o:p></p>
<p class="xmsonormal">warning:maximize_plots: Invalid workstation. No plot maximization can take place.<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Unable to access "default" App object<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Invalid Parent id #-4<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlGetValues:PID #-4 is invalid<o:p></o:p></p>
<p class="xmsonormal">fatal:PID #-4 can't be found in NhlSetValues<o:p></o:p></p>
<p class="xmsonormal">warning:maximize_plots: Invalid workstation. No plot maximization can take place.<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Unable to access "default" App object<o:p></o:p></p>
<p class="xmsonormal">fatal:_NhlCreate:Invalid Parent id #-4<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlGetValues:PID #-4 is invalid<o:p></o:p></p>
<p class="xmsonormal">fatal:PID #-4 can't be found in NhlSetValues<o:p></o:p></p>
<p class="xmsonormal">warning:maximize_plots: Invalid workstation. No plot maximization can take place.<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlAddOverlay: invalid base plot id<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlAddOverlay: invalid base plot id<o:p></o:p></p>
<p class="xmsonormal">warning:maximize_plots: Invalid workstation. No plot maximization can take place.<o:p></o:p></p>
<p class="xmsonormal">fatal:NhlDraw: Invalid Layer Id: -4<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to update Workstation with PID#-4<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to clear Workstation with PID#-4<o:p></o:p></p>
<p class="xmsonormal">fatal:Unable to Destroy (Bad PID#1440819056)<o:p></o:p></p>
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