Hi Ajay,

In your netcdf file is *station_name* identified as an aux coordinate variable by listing it in the *coordinates* attribute?

There is a mistake in the H2 example (and others) where *station_name* should be identified as a aux coord var on the *coordinates* attribute for humidity

I raised this and other defects in ticket 103 - http://kitt.llnl.gov/trac/ticket/103

Hope this helps,
Regards,
Ros.

On 08/05/14 21:38, Ajay Krishnan - NOAA Affiliate wrote:

Hi Everyone,

Can anybody tell me the correct usage of the *cf_role* attribute?

From my gathering, the *cf_role* attribute should only be attached to a coordinated variable (See appendix A <http://cfconventions.org/1.6.html#attribute-appendix>).

But in the CF conventions document Example H.2., the *cf_role* is being attached to the *station_name* variable.

When we do this, the CF compliance checker gives out an INFO message stating that the *cf_role *attribute is being used in a non-standard way.

Any inputs?

Thanks,
Ajay



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Rosalyn Hatcher
NCAS Computational Modelling Services
Dept. of Meteorology, University of Reading,
Earley Gate, Reading. RG6 6BB
Email: [email protected]     Tel: +44 (0) 118 378 5429

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