Dear Mr. Jeff<div><br></div><div>Thank you very much for your explanation,</div><div>I will try it.</div><div><br></div><div>Best regards,</div><div>wendi<br><br><div class="gmail_quote">On Fri, Feb 1, 2013 at 10:34 AM, Jeff Duda <span dir="ltr"><<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">These commands will help.<br><br>'define dx = 6.371e3*cos(lat*(3.14159/180))*cdiff(lon,x)*(3.14159/180)'<br>'define dy = 6.371e3*cdiff(lat,y)*(3.14159/180))'<br>
<br>They define grid increments in terms of spatial distance rather than geographic distance. If you're trying to change the axes and tick marks, you'll have to define an origin and define your x and y distances based on that. For instance, if you set your lower left domain corner (latitude 0 and longitude 100), then you can define your coordinate distances using<br>
<br>'define xdist = [(lon-100)/dlon]*[dx/2]'<br>'define ydist = [(lat-0)/dlat]*[dy/2]'<div><br></div><div>I think this should work, but I haven't tested it myself, so I don't know. dlon and dlat are the step values from the XDEF and YDEF lines of the control file, respectively.</div>
<div><br></div><div>Jeff Duda</div><div><br><div class="gmail_quote"><div><div class="h5">On Thu, Jan 31, 2013 at 7:02 AM, wendi harjupa <span dir="ltr"><<a href="mailto:wendiharjupa@gmail.com" target="_blank">wendiharjupa@gmail.com</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">Dear Sir/Madam<div><br></div><div>I need help</div><div>I have problem with grads command,</div>
<div>I am not well understand with command gr2XY,</div>
<div><br></div><div>Actually I want to convert the lon 100 to 101, and lat 0 to 1 to distance (km)</div>
<div>let think that lon 100 is 0 km, and lat 0 is 0 km,</div><div><br></div><div>what command I can use to convert lon and lat to km?</div><div><br></div><div>Thank you very much for your help<br clear="all"><div><br></div>
<div>best regards,</div><span><font color="#888888">-- <br><span style="font-size:16px;font-family:arial,helvetica,sans-serif">-------------</span><br style="font-size:16px;font-family:arial,helvetica,sans-serif">
<span style="font-size:16px;font-family:arial,helvetica,sans-serif">Wendi Harjupa. ST </span><br style="font-size:16px;font-family:arial,helvetica,sans-serif">
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<span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">s119447</span></div><div><font color="#333333" face="arial, sans-serif" size="3">Cellphone : <a href="tel:%2B81-080-4268-6676" value="+818042686676" target="_blank">+81-080-4268-6676</a></font></div>
<div><font color="#333333" face="arial, sans-serif" size="3">email : <a href="mailto:wendi@rslab.riko.shimane-u.ac.jp" target="_blank">wendi@rslab.riko.shimane-u.ac.jp</a></font></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><br>-- <br>Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><span style="font-family:arial,helvetica,sans-serif;font-size:16px;background-color:rgb(255,255,255)">-------------</span><br style="font-family:arial,helvetica,sans-serif;font-size:16px;background-color:rgb(255,255,255)">
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<span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Department of</span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Electronic Control</span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Systems</span><br style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">
<span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Remote</span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Sensing</span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)"> </span><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;background-color:rgb(245,245,245)">Laboratory</span><div>
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