Dear GrADS users,<div><br></div><div>I created a descriptor file from grib file using <a href="http://grib2ctl.pl">grib2ctl.pl</a> software. but when i run it it appears the following information:</div><div><div><br></div>

<div>Scanning description file:  GLDAS_VIC10_M.A198001.001.ctl</div><div>Open Error:  missing XDEF record </div><div>Open Error:  missing YDEF record </div><div>Open Error:  missing ZDEF record </div><div>Open Error:  missing TDEF record </div>

<div>Open Error:  missing UNDEF record </div><div>Open Error:  missing DSET record </div><div>Open Error:  missing VARS record </div><div>  The data file was not opened. </div></div><div><br></div><div>Can someone help me how to define those records for the discriptor file created? it appears that this .ctl file does not have any information. I supose this could be done automatically...I read some instructions to define those elements according to grib file information...</div>

<div><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">dset ^sample.grib</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">index ^sample.idx</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">title sample grib file</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">dtype grib </span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">options yrev</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">undef 9.999E+20</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">XDEF </span><span class="style15" style="color:rgb(153,51,0);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">360</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"> linear 0.0 1.0</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">YDEF </span><span class="style15" style="color:rgb(153,51,0);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">181</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"> linear -90.0 1</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">ZDEF 4 levels 1000 850 500 200</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">TDEF 3 linear 00Z02apr2004 6hr</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">VARS 2</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)"><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">u  4  </span><span class="style1" style="color:rgb(0,153,0);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">33</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">,</span><span class="style13" style="color:rgb(51,0,255);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">100</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">  u wind [m/s]</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">v  4  </span><span class="style3" style="color:rgb(0,102,102);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">34</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">,</span><span class="style13" style="color:rgb(51,0,255);font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">100</span><span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">  v wind [m/s]</span><br style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">

<span style="font-family:monospace;font-size:medium;background-color:rgb(224,240,255)">ENDVARS</span>
</div><div><br></div><div>where I have to do this...i tried in the same environment but does not work...</div><div><div><br></div>-- <br>FRANCISCO P. SAIMONE<br><br>
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