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Yes, it is in grib2 format. I forgot to mention this info in my original mail.<br>
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I get the following error in gribmap generating the ctl file:<br>
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<blockquote style="margin-top:0;margin-bottom:0">gribmap: scanning GRIB2 file: mvar_data.ecmwf_hourly.00z.090.gr2
<div class="ContentPasted0">getdrstemplate: DRS Template 5.42 not defined.</div>
<div class="ContentPasted0">gribmap: ERROR! g2_getfld failed: ierr=12</div>
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Info about Data Representation Template 5.42: <a href="https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_temp5-42.shtml" id="LPlnk989860">https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/grib2_temp5-42.shtml</a></div>
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At the very least, libaec needs to be linked in, and any build option for supporting CCSDS encoding/decoding needs to be enabled; however, I couldn't find any in the configure script.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Jennifer M Adams <jadams21@gmu.edu><br>
<b>Sent:</b> Tuesday, May 30, 2023 11:30 AM<br>
<b>To:</b> GrADS Users Forum <gradsusr@gradsusr.org><br>
<b>Subject:</b> [EXTERNAL] Re: [gradsusr] GRADS control file for CMAQ output (PDEF)</font>
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Is this data in GRIB format? I usually rely on grib2ctl or g2ctl to set PDEF parameters for me. From: gradsusr <gradsusr-bounces@ gradsusr. org> on behalf of Irena Ivanova <iivanov@ gmu. edu> Sent: Thursday, May 4, 2023 5: 44 PM To:
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Is this data in GRIB format? I usually rely on grib2ctl or g2ctl to set PDEF parameters for me.
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Irena Ivanova <iivanov@gmu.edu><br>
<b>Sent:</b> Thursday, May 4, 2023 5:44 PM<br>
<b>To:</b> gradsusr@gradsusr.org <gradsusr@gradsusr.org><br>
<b>Subject:</b> [gradsusr] GRADS control file for CMAQ output (PDEF)</font>
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Hi, </div>
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I need help with the GRADS control file for Lambert Conformal projection.</div>
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I understand I need to define the grid using PDEF:</div>
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* PDEF isize jsize LCC latref lonref iref jref Struelat Ntruelat slon dx dy</div>
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*Example: PDEF 103 69 lccr 30 -88 51.5 34.5 20 40 -88 90000 90000
<div class="x_x_ContentPasted5 x_x_elementToProof">*Args:</div>
<div class="x_x_ContentPasted5">*isize The size of the native grid in the x direction</div>
<div class="x_x_ContentPasted5">*jsize The size of the native grid in the y direction</div>
<div class="x_x_ContentPasted5">*latref reference latitude</div>
<div class="x_x_ContentPasted5">*lonref reference longitude (in degrees, E is positive, W is negative)</div>
<div class="x_x_ContentPasted5">*iref i of ref point</div>
<div class="x_x_ContentPasted5">*jref j of ref point</div>
<div class="x_x_ContentPasted5">*Struelat S true lat</div>
<div class="x_x_ContentPasted5">*Ntruelat N true lat</div>
<div class="x_x_ContentPasted5">*slon standard longitude</div>
<div class="x_x_ContentPasted5">*dx grid X increment in meters</div>
*dy grid Y increment in meters<br>
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Here is my PDEF line but not sure what to specify for <span class="x_x_ContentPasted6" style="display:inline!important; background-color:rgb(255,255,255)">latref=? lonref=? and not sure if the other arguments are correct:</span></div>
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pdef 442 265 lcc ??? ??? 1 1 33 45 -97. 12000 12000<br>
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Here is an example lat-lon grid that covers CONUS domain (for GRADS to interpolate onto)</div>
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xdef 1000 linear 192. 0.1169081<br class="x_x_ContentPasted3">
ydef 500 linear 20. 0.1169081<br>
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<span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">Here are the global attributes of the CMAQ-Offline output. I can provide the data file upon request.</span><br>
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// global attributes:
<div class="x_x_ContentPasted0"> :IOAPI_VERSION = "ioapi-3.2: $Id: init3.F90 185 2020-08-28 16:49:45Z co" ;</div>
<div class="x_x_ContentPasted0"> :EXEC_ID = "CMAQ_CCTMv531_sma8_20230412_212323_441724109 " ;</div>
<div class="x_x_ContentPasted0"> :FTYPE = 1 ;</div>
<div class="x_x_ContentPasted0"> :CDATE = 2023102 ;</div>
<div class="x_x_ContentPasted0"> :CTIME = 212328 ;</div>
<div class="x_x_ContentPasted0"> :WDATE = 2023102 ;</div>
<div class="x_x_ContentPasted0"> :WTIME = 212328 ;</div>
<div class="x_x_ContentPasted0"> :SDATE = 2019209 ;</div>
<div class="x_x_ContentPasted0"> :STIME = 0 ;</div>
<div class="x_x_ContentPasted0"> :TSTEP = 10000 ;</div>
<div class="x_x_ContentPasted0"> :NTHIK = 1 ;</div>
<div class="x_x_ContentPasted0"> :NCOLS = 442 ;</div>
<div class="x_x_ContentPasted0"> :NROWS = 265 ;</div>
<div class="x_x_ContentPasted0"> :NLAYS = 35 ;</div>
<div class="x_x_ContentPasted0"> :NVARS = 226 ;</div>
<div class="x_x_ContentPasted0"> :<span style="color:rgb(237,92,87)">GDTYP = 2</span> ;</div>
<div class="x_x_ContentPasted0"> :P_ALP = 33. ;</div>
<div class="x_x_ContentPasted0"> :P_BET = 45. ;</div>
<div class="x_x_ContentPasted0"> :P_GAM = -97. ;</div>
<div class="x_x_ContentPasted0"> :XCENT = -97. ;</div>
<div class="x_x_ContentPasted0"> :YCENT = 40. ;</div>
<div class="x_x_ContentPasted0"> :XORIG = -2508000. ;</div>
<div class="x_x_ContentPasted0"> :YORIG = -1716000. ;</div>
<div class="x_x_ContentPasted0"> :XCELL = 12000. ;</div>
<div class="x_x_ContentPasted0"> :YCELL = 12000. ;</div>
<div class="x_x_ContentPasted0"> :VGTYP = -9999 ;</div>
<div class="x_x_ContentPasted0"> :VGTOP = 0.999f ;</div>
<div class="x_x_ContentPasted0"> :VGLVLS = 1.f, 0.995253f, 0.990479f, 0.985679f, 0.980781f, 0.975782f, 0.970684f, 0.960187f, 0.954689f, 0.936895f, 0.930397f, 0.908404f, 0.888811f, 0.862914f, 0.829314f, 0.786714f, 0.735314f, 0.645814f, 0.614214f,
0.582114f, 0.549714f, 0.511711f, 0.484394f, 0.451894f, 0.419694f, 0.388094f, 0.356994f, 0.326694f, 0.297694f, 0.270694f, 0.245894f, 0.223694f, 0.203594f, 0.154394f, 0.127094f, 0.f ;</div>
<div class="x_x_ContentPasted0"> :GDNAM = "AQF5X " ;</div>
<div class="x_x_ContentPasted0"> :UPNAM = "OPACONC " ;</div>
:VAR-LIST = "NO2 NO O O3 ...<br>
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Help much appreciated!</div>
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Irena </div>
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