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<p class="MsoNormal">Yes, but you also need to use a modified version of xcbar.gs that uses your saved shade information instead of calling ‘q shades’ again.
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<p class="MsoNormal"><span style="font-size:9.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
Senior Scientific Software Developer<br>
Goddard Earth Sciences Data and Information Services Center (GES DISC)<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;color:black">NASA/GSFC, Code 610.2</span><span style="font-size:9.0pt">
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;color:#AFABAB">Building 32, Room S159<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">gradsusr <gradsusr-bounces@gradsusr.org> on behalf of "Perry, Aaron" <axp09171@alumni.northernvermont.edu><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Tuesday, April 12, 2022 at 8:45 AM<br>
<b>To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Subject: </b>[EXTERNAL] Re: [gradsusr] Plotting xcbar.gs Even When There is No Valid Data<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Thank you very much for the quick reply, Jennifer!<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">So to reiterate, I need to save the 'q shades' output from a forecast hour with valid data and then use that same output for a forecast hour that has no data, (instead of running 'q shades' again
on the forecast hour with no data) therefore preserving the desired colorbar on the plot.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:14.0pt;color:#006FC9">Aaron Perry</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Meteorologist<br>
Class of '16<br>
Northern Vermont University-Lyndon</span><span style="font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;color:#006FC9">(formerly Lyndon State College)</span><span style="font-size:12.0pt;color:#006FC9"><br>
Boston, Mass.</span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Twitter:
<a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FAaronPerryWx&data=04%7C01%7Cjennifer.m.adams%40nasa.gov%7C212c8c7fc97745df511608da1c826154%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637853643559040830%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=%2FeZ1nh7ml9FrDOrEP%2Bs3hm1bQQf44wxKNlhYa8RNb5g%3D&reserved=0">
@AaronPerryWx</a></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Email: </span><span style="font-size:12.0pt;color:black"><a href="mailto:axp09171@vsc.edu" title="axp09171@vsc.edu">axp09171@vsc.edu</a></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Jennifer M Adams <jadams21@gmu.edu><br>
<b>Sent:</b> Tuesday, April 12, 2022 7:31 AM<br>
<b>To:</b> (gradsusr@gradsusr.org) <gradsusr@gradsusr.org><br>
<b>Subject:</b> Re: [gradsusr] Plotting xcbar.gs Even When There is No Valid Data</span>
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<h4 style="background:white"><span style="color:red">This message is from an external sender. Please be careful when clicking on links and attachments.<o:p></o:p></span></h4>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">The colorbar scripts generally run 'q shades' and then parse the output in the 'result' variable. I have worked around this by setting up a plot with the contour levels and colors I want, then
saving the output from 'q shades' in a script variable for later use:<br>
'q shades'<br>
_shdinfo = result<br>
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Then I append a modified copy of the colorbar script as a function in my main drawing script that uses _shdinfo instead of running 'q shades' again.
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">--Jennifer<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Perry, Aaron <axp09171@alumni.northernvermont.edu><br>
<b>Sent:</b> Tuesday, April 12, 2022 4:29 AM<br>
<b>To:</b> (gradsusr@gradsusr.org) <gradsusr@gradsusr.org><br>
<b>Subject:</b> [gradsusr] Plotting xcbar.gs Even When There is No Valid Data</span>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Good Morning All,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I am trying to figure out a way to plot xcbar.gs even when there is no valid data in the grid to plot.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">For instance, there is no GFS precipitation values in a certain domain, say the Northeastern US, for Forecast Hour 12. xcbar.gs says that there is no shading information and therefore, does not
plot a colorbar for that one frame. I want to have that precipitation colorbar plot for every frame regardless of if there is data in the grid or not.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I've tried going into xcbar.gs to see if there is an override to plot regardless of valid data or not but, there doesn't appear to be.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Any and all suggestions would be greatly appreciated.<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:14.0pt;color:#006FC9">Aaron Perry</span></b><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Meteorologist<br>
Class of '16<br>
Northern Vermont University-Lyndon</span><span style="font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;color:#006FC9">(formerly Lyndon State College)</span><span style="font-size:12.0pt;color:#006FC9"><br>
Boston, Mass.</span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Twitter:
<a href="https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsecure-web.cisco.com%2F1egToesz6FY1dQvl09040rrssQtgZSpZ37u0JC_BhMIqqGXDaOKm_GcDP8OZxfw5NJlqqFuoRKoKn2aXLLHz9lGrlKhdHibrlncd2fl0OlueWSALz8zjKx2Izbrd-LyQCFWj0MqKzgH_mksX34UIKC1VbG1_FBggf_vjEgGoxBL4zBoj1MVHm6S4jxv_uKfwbNLx3eKyftRZwBp2AWbzJ1CmTLAzSyX6MIl2g5HJ1zXFiGCIsLCK13RYrT53_lKb3Td_kTlxK4Q5KlGLw1UjBqktTn1Tp-yowSGIvKMO9CTBSsEyShaWNwIN6GLt1aw4CJj1NXJPDTnS4ANRpo3RphXFkpbfklh77_t-H9dgk-5yCcr3D8gt8zas1IivafPUV0EgxvOIzWrcY5zClfmgVUq2nOZUWKttKxLA2XKWtwLgt9CSk1kLr63d5eQykYA2fPEs3gXwIs5wJ7We-gs1AzQ%2Fhttps%253A%252F%252Ftwitter.com%252FAaronPerryWx&data=04%7C01%7Cjennifer.m.adams%40nasa.gov%7C212c8c7fc97745df511608da1c826154%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C637853643559040830%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=zCySWJLj%2FU%2BukbJHA3NSX3I%2FTnLUwZDT47NS6gtLaFE%3D&reserved=0">
@AaronPerryWx</a></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#006FC9">Email: </span><span style="font-size:12.0pt;color:black"><a href="mailto:axp09171@vsc.edu" title="axp09171@vsc.edu">axp09171@vsc.edu</a></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p></o:p></span></p>
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