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Hi Ned:<br>
<br>
It seems like the time variable defined in the file is "TIME" and
not "TIME:EOSGRID". I think if<br>
you change the TDEF line to <br>
TDEF TIME 248 linear 00Z01JAN1979 3hr<br>
it should work.<br>
<br>
Jim<br>
<br>
<div class="moz-cite-prefix">On 8/23/13 5:16 AM, Vizy, Edward K
wrote:<br>
</div>
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">I’m trying to open the MERRA
3-hourly MAI3CPASM.5.2.0 data using GrADS opendap. I want
to open multiple days at once to generate time averages,
hence I need to create and use a control file I create to
open all of the hdf files in the MERRA collection that I am
interested in using xdfopen.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">I have created the following
control file:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">_______________________________________________<o:p></o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">dset
<a class="moz-txt-link-freetext" href="http://goldsmr3.sci.gsfc.nasa.gov/opendap/MERRA/MAI3CPASM.5.2.0/%y4/%m2/MERRA100.prod.assim.inst3_3d_asm_Cp.%y4%m2%d2.hdf">http://goldsmr3.sci.gsfc.nasa.gov/opendap/MERRA/MAI3CPASM.5.2.0/%y4/%m2/MERRA100.prod.assim.inst3_3d_asm_Cp.%y4%m2%d2.hdf</a><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">options template<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">TDEF TIME:EOSGRID 248
linear 00Z01JAN1979 3hr<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">_______________________________________________<o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">but when I go to execute it
in GrADS I get the following error message:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">[MAI3CPASM.5.2.0]$ grads<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Grid Analysis and Display
System (GrADS) Version 2.0.2<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Copyright (c) 1988-2011 by
Brian Doty and the<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Institute for Global
Environment and Society (IGES)<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">GrADS comes with ABSOLUTELY
NO WARRANTY<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">See file COPYRIGHT for more
information<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Config: v2.0.2
little-endian readline printim grib2 netcdf hdf4-sds hdf5
opendap-grids,stn geotiff shapefile<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Issue 'q config' command
for more detailed configuration information<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Landscape mode? ('n' for
portrait): y<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">GX Package Initialization:
Size = 11 8.5
<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">ga-> xdfopen
test.opendap.ctl<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Scanning Descriptor File:
test.opendap.ctl<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">gadsdf: Time dimension
TIME:EOSGRID is not an SDF dimension.<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">SDF Descriptor file
test.opendap.ctl was not successfully opened & parsed.</span></b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Having this failure I
backtracked and downloaded the MERRA data via FTP to my
local machine and created a similar xdf control file to
access the data on the local system:<o:p></o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">______________________________________________________<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">dset
^./%y4/%m2/MERRA100.prod.assim.inst3_3d_asm_Cp.%y4%m2%d2.hdf<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">options template<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">TDEF TIME:EOSGRID 248
linear 00Z01JAN1979 3hr<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">______________________________________________________<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">When I run this in GrADS
everything works as it should and I can access all the MERRA
data. Am I missing something for opendap that I need to
include in the xdf control file? Alternatively, has anyone
been able to successfully create a xdf control file to read
the 3-hourly data from MERRA via opendap?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Here is my GrADS build info:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Config: v2.0.2 little-endian
readline printim grib2 netcdf hdf4-sds hdf5
opendap-grids,stn geotiff shapefile<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Grid Analysis and Display
System (GrADS) Version 2.0.2<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Copyright (c) 1988-2011 by
Brian Doty and the<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Institute for Global
Environment and Society (IGES)
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">This program is distributed
WITHOUT ANY WARRANTY
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">See file COPYRIGHT for more
information.
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Built Thu Nov 8 13:55:26 EST
2012 for x86_64-unknown-linux-gnu<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">This version of GrADS has
been configured with the following options:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o Built on a LITTLE ENDIAN
machine<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o Athena Widget GUI
DISABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o Command line editing
ENABLED
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://tiswww.case.edu/php/chet/readline/rltop.html">http://tiswww.case.edu/php/chet/readline/rltop.html</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o printim command for image
output ENABLED
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.zlib.net">http://www.zlib.net</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.libpng.org/pub/png/libpng.html">http://www.libpng.org/pub/png/libpng.html</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.libgd.org/Main_Page">http://www.libgd.org/Main_Page</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o GRIB2 interface ENABLED
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.ijg.org">http://www.ijg.org</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.ece.uvic.ca/~mdadams/jasper">http://www.ece.uvic.ca/~mdadams/jasper</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2">http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> g2clib-1.4.0
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o NetCDF interface ENABLED
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.unidata.ucar.edu/software/netcdf">http://www.unidata.ucar.edu/software/netcdf</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> netcdf 4.1.2 of Oct 5
2011 11:54:30 $
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o OPeNDAP gridded data
interface ENABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o OPeNDAP station data
interface ENABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">
<a class="moz-txt-link-freetext" href="http://iges.org/grads/gadoc/supplibs.html">http://iges.org/grads/gadoc/supplibs.html</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> libgadap 2.0
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o HDF4 and HDF5 interfaces
ENABLED
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://hdfgroup.org">http://hdfgroup.org</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> HDF 4.2r3
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> HDF5 1.8.7
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o GeoTIFF and KML/TIFF
output ENABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://www.libtiff.org">http://www.libtiff.org</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> <a class="moz-txt-link-freetext" href="http://geotiff.osgeo.org">http://geotiff.osgeo.org</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o KML contour output
ENABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""> o Shapefile interface
ENABLED<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">
<a moz-do-not-send="true"
href="http://shapelib.maptools.org">http://shapelib.maptools.org</a><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Many thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Ned
<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div
style="mso-element:para-border-div;border:none;border-bottom:solid
windowtext 1.5pt;padding:0in 0in 1.0pt 0in">
<p class="MsoNormal" style="border:none;padding:0in"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Dr. Edward “Ned” Vizy<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Research Engineer/Scientist
Associate V<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Jackson School of Geosciences<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Department of Geological
Sciences<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">The University of Texas at
Austin<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">1 University Station C1100<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">Austin, Texas 78712<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">e-mail:
<a moz-do-not-send="true" href="mailto:ned@jsg.utexas.edu">ned@jsg.utexas.edu</a><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif"">phone: 512-585-1937<o:p></o:p></span></p>
<div
style="mso-element:para-border-div;border:none;border-bottom:solid
windowtext 1.5pt;padding:0in 0in 1.0pt 0in">
<p class="MsoNormal" style="border:none;padding:0in"><span
style="font-size:12.0pt;font-family:"Times New
Roman","serif""><o:p> </o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<br>
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<pre wrap="">_______________________________________________
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