<div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div><div><div><div><div><div><div>Dear GrADs Users,<br></div>I am having a problem in viewing the following dataset with template option. I have 6-hourly dataset for specific humidity in following format for 10 years:<br></div></div><br>199501/q.1995010100<br></div></div><div>199501/q.1995010106<br></div><div>199501/q.1995010112<br></div><div>199501/q.1995010118<br></div><div>199501/q.1995010200<br></div><div>199501/q.1995010212 and so on for January of 1995<br></div>199502/q.1995020100<br></div>199502/q.1995020112<br></div>199502/q.1995020118<br><div>199502/q.1995020200 and so on for February of 1995<br></div><div>199503/...... for March of 1995</div><div>.....</div><div>199601/q.1996010100 and so on for January of 1996</div><div>......</div><div>so on for 10 years<br></div><div><br></div><div>I am wondering how to make a descriptor file for the above files? I have written as q.ctl:</div><div><br></div><div><font color="#000000">dset /data/%y4%2/q.%y4%m2%d2%h2</font><br><div><b><font color="#ff0000">index /data/%y4%2/q.idx</font></b></div></div><div><div>dtype grib 255</div><div>options yrev template</div><div>undef -999.9</div></div><div>xdef 520 linear 65 0.2<br></div><div>ydef 540 linear 5 0.2<br>zdef 1 levels 1<br><font color="#000000">tdef 15000 linear 00z01jan1995 6hr</font><br>vars 1<br>q 0 99<br>endvars<br><br clear="all"></div></div></div></div></div><div>My problem is </div><div class="gmail_quote"><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div>GrADs can't open the above script. It is giving the following error message:</div><div><div><b>Scanning description file: q.ctl</b></div><div><b>Open Error: Can't open Station/Index map file /data/%y4%m2/q.idx </b></div><div><b> The data file was not opened.</b></div></div><div> </div><div>When I am replacing <font color="#ff0000" style="font-weight:bold">index /data/%y4%2/q.idx </font><font color="#000000">in q.ctl as </font><b><font color="#0000ff">index /data/199501/q.idx</font></b></div><div><font color="#000000">it is working fine for 1 month only, but not working for next month i.e.</font></div><div><font color="#000000">set t 124</font></div><div><font color="#000000">Contouring: 0.002 to 0.02 interval 0.002<br></font></div><div><font color="#0000ff">set t 125</font></div><div><div><font color="#0000ff">d q </font></div><div><font color="#0000ff">GRIB I/O Error: Bit Map I/O</font></div><div><font color="#0000ff">Data Request Error: Error for variable 'q'</font></div><div><font color="#0000ff"> Error ocurred at column 1</font></div><div><font color="#0000ff">DISPLAY error: Invalid expression </font></div><div><font color="#0000ff"> Expression = q</font></div><div><br></div></div><div><font color="#000000"> </font>Thank you, in advance, for any kind of help or suggestion in this regard.</div></div></div></div></div>
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<br><br>-- <br><div dir="ltr"><div>Kind Regards,<br></div>Mano<br></div><br>