Simon,<div><br></div><div>you should open the ctl file. GrADS files are made up of 2 files: a data file (normally binary) and a descriptor file (the ctl file). You should open the .ctl file. So on your linux terminal enter</div>
<div>'grads'</div><div><enter> # to choose between portrait and landscape</div><div>'open filename.ctl'</div><div><br></div><div>Depending on the format of the file you may need a different command. For example to open netCDF files you need to input</div>
<div>'sdfopen filename.ctl' or 'sdfopen <a href="http://filename.nc">filename.nc</a>'</div><div>There is also 'xdfopen'</div><div><br></div><div>For further help refer to <a href="http://www.iges.org/grads/gadoc/gadocindex.html">http://www.iges.org/grads/gadoc/gadocindex.html</a></div>
<div><br></div><div>Regards,</div><div><br></div><div>James</div><div><br><div class="gmail_quote">On 17 December 2010 08:34, Simon Krichak <span dir="ltr"><<a href="mailto:shimon@cyclone.tau.ac.il">shimon@cyclone.tau.ac.il</a>></span> wrote:<br>
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<div><font face="Arial" size="2">Dear colleagues,</font></div>
<div><font face="Arial" size="2">I just have installed an opengrads version
grads-2.0.a9.oga.1-win32_superpack.exe</font></div>
<div><font face="Arial" size="2">on my laptop using Windows XP Version 2002 Service
Pack 3.</font></div>
<div><font face="Arial" size="2">I have dowloaded the model.grb, model.gmp and
model.ctl files from the Grads tutorial.</font></div>
<div><font face="Arial" size="2">Everything seems to be working fine.</font></div>
<div><font face="Arial" size="2">After that I took some other grads ecmwf.ctl and
ecmwf.dat files which I am able to use on my Linux machine and tried working
with them.</font></div>
<div><font face="Arial" size="2">The system response was as follows</font></div>
<div><font face="Arial" size="2">Open Error: Can't open binary data
file</font></div>
<div><font face="Arial" size="2">File name = ecmwf.dat .</font></div>
<div><font face="Arial" size="2">Please advise me what esle must be
installed.</font></div>
<div><font face="Arial" size="2">Regards,</font></div>
<div><font face="Arial" size="2">Simon Krichak</font></div>
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<p><font face="Arial" size="2"></font></p></blockquote></div>
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