[CF-metadata] [CF Metadata] #8: Identifying horizontal coordinate variables using the axis attribute

[Dominic Lowe]

Jonathan,

Many thanks for the clarification. The wording of the ticket (taken in 
isolation) led me to draw the wrong conclusion.

Regards,

Dominic

On Monday 03 December 2007 14:03, Jonathan Gregory wrote:
> Dear Dominic
>
> > but I've just read the archive and I am very interested as to why this
> > discussion has been limited to identifying only horizontal coordinate
> > variables, and does not include the identification of vertical coordinate
> > variables (Z).
>
> It hasn't been limited. As you would wish, the axis attribute can be used
> to indicate vertical (Z) and time (T) axes as well as horizontal (X and Y).
> The ticket was about horizontal axes only because there was some confusion
> about what they meant in the case when they are not long and lat.
>
> The axis attribute is not required (just recommended) for backward-
> compatibility with COARDS, which specified other ways to identify axes.
>
> Best wishes
>
> Jonathan
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