[CF-metadata] netCDF time axis comforming to CF-1.0 convention

John Caron caron at unidata.ucar.edu
Fri Jul 23 12:55:04 MDT 2010


the units appear ok. is the CF checker case sensitive on the "t" ?

On 7/23/2010 12:27 PM, Karl Taylor wrote:
> Stephane,
>
> axis="T" is correct.  I'm guessing, the units on your time coordinate 
> aren't recognized by udunits.
>
> Karl
>
> On 7/23/10 11:02 AM, Stephane Poirier wrote:
>> Hi All,
>> I am trying to have our netCDF files comply to CF-1.0 convention.
>> CF-Convention compliance checker for NetCDF format 
>> (http://*titania.badc.rl.ac.uk/cgi-bin/cf-checker.pl) returns the 
>> following error when checking my netCDF file's "time" variable: ERROR 
>> (4): axis attribute inconsistent with coordinate type as deduced from 
>> units and/or positive.
>> File 
>> http://*www.*oifii.org/do-org/dod/2010july23_time-axis-attribute-inconsistent-with-coordinate-type-as-deduced-from-units-and-or-positive.jpg shows 
>> how UCAR's NetCDF 4.2 Tool UI see's my netCDF file 
>> (http://*www.*oifii.org/imt/dai/crcm/MRCC.4.2.0_amno_adj_alsi_ps_196012_r(cf-1-4).nc 
>> <http://*www.*oifii.org/imt/dai/crcm/MRCC.4.2.0_amno_adj_alsi_ps_196012_r%28cf-1-4%29.nc>).
>> Do I get this error because the "axis" attribute of my "time" 
>> variable is set to "t" instead of "time"?
>> Stephane
>> --------------------------------------------------------------------
>> Stephane Poirier, M.Sc. Optical Physics
>> Remote Sensing Application Software Developer
>> Geography Department, Burnside Hall
>> McGill University, Montreal, QC, Canada
>> http://*geog.mcgill.ca
>> Stephane.Poirier2 at mcgill.ca <mailto:Stephane.Poirier2 at mcgill.ca>
>> Cell. (514) 994-3532
>> Fax: (514) 509-8833
>> --------------------------------------------------------------------
>> Stephane Poirier, M.Sc. Optical Physics
>> Remote Sensing Application Software Developer
>> 3532 rue Sainte-Famille, Apt. 4
>> Montreal, QC, H2X 2L1, Canada
>> http://*www.*oifii.org
>> stephane.poirier at oifii.org <mailto:stephane.poirier at oifii.org>
>> Tel.: (514) 509-8833
>> Fax: (514) 509-8833
>> --------------------------------------------------------------------
>
>
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