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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hao<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>CMAQ files usually are ioapi or WRF compliant. If they are
ioapi, run the ‘ncdump –h file.ncf > h’ and look at the
global characteristics. It will have everything you need to compose the
control file.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If they are WRF compliant, you will have to go back to the modeler
who created them.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Please see <a
href="http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID138">http://www.nco.ncep.noaa.gov/pmb/docs/on388/tableb.html#GRID138</a>
as an example of the information you need.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>John Huddleston, PhD<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
gradsusr-bounces@gradsusr.org [mailto:gradsusr-bounces@gradsusr.org] <b>On
Behalf Of </b>Hao He<br>
<b>Sent:</b> Thursday, May 06, 2010 12:15 PM<br>
<b>To:</b> GrADS Users Forum<br>
<b>Subject:</b> Re: [gradsusr] data not in GRIB format<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>John,<br>
I start to work on the .ctl file, and I have a question about the
xdef and ydef. As you plotted, the left corner is not the minimal longitude and
latitude of the domain. Which value should I use?<br>
<br>
Best<br>
<br>
Hao<o:p></o:p></p>
<div>
<p class=MsoNormal>On Wed, May 5, 2010 at 2:16 PM, Huddleston, John <<a
href="mailto:Huddleston@cira.colostate.edu">Huddleston@cira.colostate.edu</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Hao, this might be closer if it is 30KM. Change the ytime and
year accordingly. John<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>dset ^YourFile.ncf<br>
dtype netcdf<br>
title Vertically integrated atmos chem/aerosol vbles<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>pdef 94 67 lcc 24.87 -127.10 1 1 33 45 -114.00
30000 30000<br>
undef -9999<br>
xdef 94 linear -131.336 0.48<br>
ydef 67 linear 24.87 0.300<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'><br>
zdef 1 linear 1 1<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>tdef 24 linear 00:00Z20apr2006 1hr<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'><br>
vars 8<br>
NO2=>no2 1 t,z,y,x NO2<br>
NO=>no 1 t,z,y,x NO<br>
O=>o 1 t,z,y,x O<br>
O3=>o3 1 t,z,y,x O3<br>
NO3=>no3 1 t,z,y,x NO3<br>
CO=>co 1 t,z,y,x CO<br>
CXO3=>cxo3 1 t,z,y,x cxo3<br>
NH3=>nh3 1 t,z,y,x NH3<br>
endvars<o:p></o:p></span></p>
</div>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
</div>
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<hr size=2 width="100%" align=center>
</span></div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <a href="mailto:gradsusr-bounces@gradsusr.org" target="_blank">gradsusr-bounces@gradsusr.org</a>
[<a href="mailto:gradsusr-bounces@gradsusr.org" target="_blank">gradsusr-bounces@gradsusr.org</a>]
On Behalf Of Hao He [<a href="mailto:haohe.umcp@gmail.com" target="_blank">haohe.umcp@gmail.com</a>]<o:p></o:p></span></p>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>Sent:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
Wednesday, May 05, 2010 11:59 AM<br>
<b>To:</b> GrADS Users Forum<br>
<b>Subject:</b> Re: [gradsusr] data not in GRIB format<o:p></o:p></span></p>
</div>
<div>
<div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>That is great! My grid size is
30 km instead of 36 km, and I think the difference is trivial. I will read the
format and modified it to my own grid. <br>
Thanks a lot!<br>
<br>
Hao<o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>On Wed, May 5, 2010 at 1:52 PM, Huddleston, John <<a
href="mailto:Huddleston@cira.colostate.edu" target="_blank">Huddleston@cira.colostate.edu</a>>
wrote:<o:p></o:p></span></p>
<div>
<div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Hao<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>If it is 36 kilometer CMAQ netCDF you can probably
start with this grid control definition. <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>dset ^YourFile.ncf<br>
dtype netcdf<br>
title Vertically integrated atmos chem/aerosol vbles<br>
pdef 148 112 lcc 16.77 -121.51 1 1 33 45 -97.00 36000 36000<br>
undef -9999<br>
xdef 148 linear -139.285 0.57565<br>
ydef 112 linear 16.77 0.3600<br>
zdef 1 linear 1 1<br>
tdef 72 linear 00:00Z20apr2006 1hr<br>
vars 8<br>
NO2=>no2 1 t,z,y,x NO2<br>
NO=>no 1 t,z,y,x NO<br>
O=>o 1 t,z,y,x O<br>
O3=>o3 1 t,z,y,x O3<br>
NO3=>no3 1 t,z,y,x NO3<br>
CO=>co 1 t,z,y,x CO<br>
CXO3=>cxo3 1 t,z,y,x cxo3<br>
NH3=>nh3 1 t,z,y,x NH3<br>
endvars<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>john Huddleston, PhD, PE<o:p></o:p></span></p>
</div>
<div>
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style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
<hr size=2 width="100%" align=center>
</span></div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'> <a href="mailto:gradsusr-bounces@gradsusr.org" target="_blank">gradsusr-bounces@gradsusr.org</a>
[<a href="mailto:gradsusr-bounces@gradsusr.org" target="_blank">gradsusr-bounces@gradsusr.org</a>]
On Behalf Of Hao He [<a href="mailto:haohe.umcp@gmail.com" target="_blank">haohe.umcp@gmail.com</a>]<o:p></o:p></span></p>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'>Sent:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>
Tuesday, May 04, 2010 1:58 PM<br>
<b>To:</b> <a href="mailto:gradsusr@gradsusr.org" target="_blank">gradsusr@gradsusr.org</a><br>
<b>Subject:</b> [gradsusr] data not in GRIB format<o:p></o:p></span></p>
</div>
<div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'>Hi,<br>
I have a 2D data set with uneven Lon and Lat distribution. I
notice that the GRIB data for GrADS has even grids, so I am wondering whether
it is possible to display this data set on GrADS? Thanks for help!<br>
<br>
Hao<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif";color:black'><br>
_______________________________________________<br>
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<a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:black'><o:p> </o:p></span></p>
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</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
_______________________________________________<br>
gradsusr mailing list<br>
<a href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>
<a href="http://gradsusr.org/mailman/listinfo/gradsusr" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><o:p></o:p></p>
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