<div dir="ltr"><div>Drawing a symbol or plotting a line based on lat/lon coords requires a conversion from the lat/lon pair to real page units. Use 'q w2xy 'lon/lat to do the conversion. There are several coordinate transformation query functions. Simply entering 'q' at the GrADS command prompt will list and describe them.<br><br></div><div>You can then draw the line using the commands suggested by Matt. Just make sure you use the real page units rather than lat/lon coordinates in your draw command.<br><br></div>Jeff Duda<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 10, 2016 at 2:38 PM, Matt Bunkers - WFO UNR <span dir="ltr"><<a href="mailto:matthew.bunkers@noaa.gov" target="_blank">matthew.bunkers@noaa.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Jason,<div><br>To draw lines all you need to use is this:</div><div><br></div><div>'set line color style thickness'</div><div>'draw line x1 y1 x2 y2'</div><div><br></div><div>The x,y points are in inches from the upper left of the display. Just play around with them to get the location you want.</div><div><br></div><div>You can plot a point using font 3 and the number 2 (which will make a bullet point). For example,</div><div><br></div><div>'set string 1 c 6 0'</div><div>'set strsiz 0.13 0.13'</div><div>'set font 3'</div><div>'draw string '4.25' '5.5' 2'</div><div><br></div><div>will place a point roughly in the middle of the display.</div><div><br></div><div>-- Matt</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, May 10, 2016 at 12:43 PM, Jason Snyder <span dir="ltr"><<a href="mailto:jmssnyder@ucdavis.edu" target="_blank">jmssnyder@ucdavis.edu</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div><div><div>To whom it may concern,<br><br></div>I am trying to plot a point in grads at a specific latitude and longitude in GrADS. I also want to draw a line that connects several latitude and longitude points together in GrADS. Does anyone know how to do this?<br><br></div>Thanks,<br><br></div>Jason<span><font color="#888888"><br clear="all"><div><div><div><div><br>-- <br><div><div dir="ltr"><div><div>Jason Snyder PhD<br></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br></div>
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