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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I would like to access CO-OPS Great Lakes Operational Forecast System, GLOFS, datasets using GrADS.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have never worked with netcdf files. <o:p></o:p></p>
<p class="MsoNormal">Nor have I worked with a THREDDS server.<o:p></o:p></p>
<p class="MsoNormal">I often access NOMADS through its OpenDAP server using GrADS on my PC. The GrADS command is like<o:p></o:p></p>
<p class="MsoNormal"> <span style="font-size:8.0pt;font-family:"Courier New"">
Sdfopen http://nomads.ncep.noaa.gov:9090/dods/rap/rap20140915/rap_00z<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have tried the following in GrADS (grads.exe – opendap enabled (see the PS))<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> Sdfopen http://opendap.co-ops.nos.noaa.gov/thredds/wms/NOAA/LMOFS/MODELS/201409/glofs.lmofs.fields.nowcast.20140915.t19z.nc<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">GrADS returns the following message in the GrADS console:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">Scanning self-describing file: http://opendap.co-ops.nos.noaa.gov/thredds/dodsC<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">/NOAA/LMOFS/MODELS/201409/glofs.lmofs.fields.nowcast.20140915.t20z.nc<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">nc_open failure:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">No such file or directory<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">http://opendap.co-ops.nos.noaa.gov/thredds/dodsC/NOAA/LMOFS/MODELS/201409/glofs.lmofs.fields.nowcast.20140915.t19z.nc does not exist or is not a netCDF file.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">Couldn't ingest SDF metadata.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">If this was an HDF-SDS file, try gradshdf.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I downloaded the nc file to my PC c:\grads19\win32\ sub-directory.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">ga-> sdfopen glofs.lmofs.fields.nowcast.20140915.t19z.nc<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">Scanning self-describing file: glofs.lmofs.fields.nowcast.20140915.t19z.nc<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">SDF file has no discernable X coordinate.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="font-size:8.0pt;font-family:"Courier New"">ga-><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">ncdump on the <u>downloaded</u> file DID obtain sensible information for header, variables values, etc.<o:p></o:p></p>
<p class="MsoNormal">The <u>downloaded</u> file can be loaded into Excel using the NetCDF add-in.<o:p></o:p></p>
<p class="MsoNormal"> Hence, the downloaded file sure seems to be good.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The folks at CO-OPS do not use GrADS and could not furnish advice.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Can you give me the proper command or settings to use to access LMOFS datasets?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Thanks in advance,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Herb Philbrick
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">PS
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">I am using Grads19 because, ultimately, I output grib-1 files.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">ga-> q config<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Config: v1.9.0-rc1 32-bit little-endian readline sdf/xdf netcdf dap dap-stn lats<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">athena printim<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Grid Analysis and Display System (GrADS) Version 1.9.0-rc1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Copyright (c) 1988-2005 by Brian Doty and IGES<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Center for Ocean-Land-Atmosphere Studies (COLA)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Institute for Global Environment and Society (IGES)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">This program is distributed WITHOUT ANY WARRANTY<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">See file COPYRIGHT for more information.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">Built Fri Jan 25 02:30:31 EST 2008 for i686-pc-cygwin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">This version of GrADS has been configured with the following options:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o This is a 32-bit LITTLE ENDIAN machine version.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o Command line editing (readline) ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o CIRES/CDC (http://www.cdc.noaa.gov) SDF/XDF interface ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> Use sdfopen/xdfopen to read NetCDF files.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o DTYPE netcdf is ENABLED; DTYPE hdfsds is DISABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o OPeNDAP (a.k.a. DODS) gridded data interface ENABLED. (http://opendap.org)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> This version is configured to access gridded data on OPeNDAP servers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> via the sdfopen or xdfopen commands, or using DTYPE netcdf.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o OPeNDAP (a.k.a. DODS) station data interface (gadap) ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> This version is configured to access station data on OPeNDAP servers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> via the open command.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o PCMDI (http://www-pcmdi.llnl.gov) LATS interface ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> This version is configured to write GRIB and NetCDF files.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o DAO (http://dao.gsfc.nasa.gov) Athena Widget GUI ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o NRL/DAO/PCMDI XA or ImageMagick Image Output DISABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> o printim command for direct png/gif output ENABLED.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""> (via the GD Library -- http://www.boutell.com/gd)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Courier New"">For additional information please consult http://grads.iges.org/grads/<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">ga-><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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