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<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Draw a map to set up the scaling environment
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Use a script to loop through each data point and get the lat, long, and value (parse the output when all dims are fixed).
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Use ‘q w2xy’ to get the x,y location of that lat/lon on the map in your plot<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Use ‘draw mark x y’ to put a mark on your map
<o:p></o:p></span></li></ol>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">E.g.:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> d p<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Contouring: 0 to 0.0008 interval 0.0001
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> set x 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">LON set to 0 0 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> set y 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">LAT set to -90 -90 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> d p<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Result value = 1.07787e-05 <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> q w2xy 0 -90 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">X = 0.5 Y = 1.25<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">ga-> draw mark 3 0.5 1.25 0.2<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">You can decide whether to draw the mark or what color it should be based on the data value.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">--Jennifer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span><o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><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 "Saunders, Emily (GSFC-610.1)[SCIENCE SYSTEMS AND APPLICATIONS INC]" <emily.saunders@nasa.gov><br>
<b>Reply-To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Date: </b>Tuesday, October 8, 2019 at 3:29 PM<br>
<b>To: </b>GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Subject: </b>Re: [gradsusr] [non-nasa source] [EXTERNAL] Create scatter plot<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Hi Jennifer,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Thanks for the response, but I wanted to know how would I be able to identify the lat/lon points for the scatter points. The attached example is a scatter plot of Ozone vs. PM2.5 for a specified
lat/lon points; how can plot the values of Ozone greater than 70 or PM2.5 greater than 200 on the map.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="color:#1F497D">Emily </span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:11.0pt">From:</span></b><span style="font-size:11.0pt"> gradsusr <gradsusr-bounces@gradsusr.org>
<b>On Behalf Of </b>Adams, Jennifer M. (GSFC-610.2)[ADNET SYSTEMS INC]<br>
<b>Sent:</b> Tuesday, October 08, 2019 2:12 PM<br>
<b>To:</b> GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Subject:</b> Re: [gradsusr] [non-nasa source] [EXTERNAL] Create scatter plot</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Hi, Emily – </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Have a look at the ‘query w2xy’ and ‘draw mark’ commands – I think those will give you what you need to draw a mark on a map given a lat/lon pair.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt">--Jennifer</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt">-- <span style="color:black"><br>
Jennifer Miletta Adams<br>
ADNET Systems, Inc.<br>
NASA/GSFC, Code 610.2</span></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;color:black">Building 32, Room S159<br>
(301) 614-6070</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="color:black">From: </span></b><span style="color:black">gradsusr <<a href="mailto:gradsusr-bounces@gradsusr.org">gradsusr-bounces@gradsusr.org</a>> on behalf of "Saunders, Emily (GSFC-610.1)[SCIENCE SYSTEMS AND APPLICATIONS
INC]" <<a href="mailto:emily.saunders@nasa.gov">emily.saunders@nasa.gov</a>><br>
<b>Reply-To: </b>GrADS Users Forum <<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>><br>
<b>Date: </b>Monday, October 7, 2019 at 12:13 PM<br>
<b>To: </b>"<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>" <<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>><br>
<b>Subject: </b>[non-nasa source] [EXTERNAL] [gradsusr] Create scatter plot</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="font-family:Helvetica">To Whom It May Concern:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica">I wanted to know if there is a way in GrADs to plot a scatter plot on top of a map. Thanks for your help in advanced.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Helvetica;color:black">Emily </span>
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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