Hi Jeff<br>I need to plot and print those extracted data. I know how to print it but I want to know how to specify the time interval required. The code I am using is:<br>open ERA.INTERIM.SFC.ctl<br>set lat 31.4<br>set lon 61.3<br>
set t 1 last (It will print values pertaining to all t but I want to specify an interval of 2).<br>set gxout print<br>set prnopts %g 1 1<br>d mag(no10usfc,no10vsfc)<br><br>How can I specify the required time interval for t?<br>
<br>thank you,<br><br>-Sagar<br><br><br><div class="gmail_quote">On Tue, Jan 15, 2013 at 10:03 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:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What do you want to do with the data?� Do you want to make plots in Grads or just extract the data?� If it's the latter, then you don't really even need to use Grads.<span class="HOEnZb"><font color="#888888"><br>
<br>Jeff</font></span><div class="HOEnZb"><div class="h5"><br><br><div class="gmail_quote">On Tue, Jan 15, 2013 at 8:47 AM, Sagar P Parajuli <span dir="ltr"><<a href="mailto:psagar@utexas.edu" target="_blank">psagar@utexas.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Jeff,<br>I think I didn't clarify my question. I am writing control file for extracting some wind speed data corresponding to particular time of a day. What I could do in grads is:<br>
�set t 1 last <br>But I want to do this skipping certain values eg. I want values corresponding to t = 1, 3, 5, 7, 9, etc (i.e. with certain interval). So, I need to skip some data and only extract those datas.<br>
How can I do this?<br><br><br>Thank you so much again.<br><br><br><br>Sagar<div><div><br><br><br><div class="gmail_quote">On Mon, Jan 14, 2013 at 11:13 PM, 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:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Time interval is specified in the control file used to open the data file. �However, if you used xdfopen or sdfopen, there may be a different way to determine the time interval. �In those cases, you should be able to find it by dumping the contents. �If your data are in netCDF format, for example, you could use ncdump -h (data file) to find out.<div>
<br></div><div>Jeff Duda<br><br><div class="gmail_quote"><div><div>On Mon, Jan 14, 2013 at 9:47 PM, Sagar P Parajuli <span dir="ltr"><<a href="mailto:psagar@utexas.edu" target="_blank">psagar@utexas.edu</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div>Hi all,<br>I need to extract wind speed data at a particular time (12:00 pm only) everyday from the 6 hourly data of one year. So I need to set time as,<br>
t = 1, 1460, 2 (start, end, interval). How is the time interval specified in grads? <br>
<br>Thank you very much for your help. <br><br><br>
<p><b><span style="color:rgb(227,108,10)"></span></b></p><br><br><p><b><span style="color:rgb(227,108,10)">
</span></b></p>
<p><b><span style="color:rgb(227,108,10)">Sagar P. Parajuli</span></b></p><p><b><span style="color:rgb(227,108,10)"></span></b><span style="color:rgb(227,108,10)">Graduate
Research Assistant</span></p><p><span style="color:rgb(227,108,10)">The University of Texas at
Austin<br>
Jackson School of Geosciences<br>e-mail: <a href="mailto:psagar@utexas.edu" target="_blank">psagar@utexas.edu</a></span></p><span style="color:rgb(227,108,10)">Contact: <a href="tel:%2B1%20512%20965%204093" value="+15129654093" target="_blank">+1 512 965 4093</a></span>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br>Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br>
</font></span></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br>
<p><b><span style="color:rgb(227,108,10)"></span></b></p></div></div>Best regards,<div><div><br><br><p><b><span style="color:rgb(227,108,10)">
</span></b></p>
<p><b><span style="color:rgb(227,108,10)">Sagar P. Parajuli</span></b></p><p><b><span style="color:rgb(227,108,10)"></span></b><span style="color:rgb(227,108,10)">Graduate
Research Assistant</span></p><p><span style="color:rgb(227,108,10)">The University of Texas at
Austin<br>
Jackson School of Geosciences<br>e-mail: <a href="mailto:psagar@utexas.edu" target="_blank">psagar@utexas.edu</a></span></p><span style="color:rgb(227,108,10)">Contact: <a href="tel:%2B1%20512%20965%204093" value="+15129654093" target="_blank">+1 512 965 4093</a></span>
</div></div><br>_______________________________________________<br>
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<br></blockquote></div><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"><br>-- <br>
<p><b><span style="color:rgb(227,108,10)"></span></b></p>Best regards,<br><br><p><b><span style="color:rgb(227,108,10)">
</span></b></p>
<p><b><span style="color:rgb(227,108,10)">Sagar P. Parajuli</span></b></p><p><b><span style="color:rgb(227,108,10)"></span></b><span style="color:rgb(227,108,10)">Graduate
Research Assistant</span></p><p><span style="color:rgb(227,108,10)">The University of Texas at
Austin<br>
Jackson School of Geosciences<br>e-mail: <a href="mailto:psagar@utexas.edu" target="_blank">psagar@utexas.edu</a></span></p><span style="color:rgb(227,108,10)">Contact: +1 512 965 4093</span>