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

From: Karl Taylor <taylor13>
Date: Fri, 23 Jul 2010 11:27:46 -0700

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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