Dear list,
Was there any resolution to the issue I brought up?
Thanks,
Chris
-------- Original Message --------
Date: Thu, 07 Jul 2011 11:59:09 -0700
From: Steve Hankin <Steven.C.Hankin at noaa.gov>
Subject: Re: [CF-metadata] CF feature type trajectory (Ch. 9; May 10,
2011) and axis attribute
To: "Jeffrey F. Painter" <painter1 at llnl.gov>
Cc: cf-metadata at cgd.ucar.edu
Message-ID: <4E1601FD.5020006 at noaa.gov>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 7/7/2011 11:53 AM, Jeffrey F. Painter wrote:
> > It looks as though you've been reviewing the public draft of the
> > future CF Conventions version 1.6. It's great that someone has been
> > looking at it!
> >
> > It seems to me that z in the examples of Appendix H (formerly
> > designated A9) plays the role of an auxiliary coordinate variable,
> > although technically it's not because there isn't (but should be) a
> > 'coordinates' attribute which lists auxiliary coordinate variables.
> > I don't know why axes are banned for auxiliary coordinate variables in
> > the case of trajectories. Something needs to be clarified here, or
> > the examples changed.
> >
> > This was ticket 37. Are there any comments from Steve Hankin, the
> > moderator, or any of the other people who contributed to writing
> > Chapter 9, or anyone else who knows more than me?
stand by. I think Chris has pointed out a needed correction to Chapter
5 that was discussed, but was not documented. (thanks Chris) But need
to confirm with others.
- Steve
> >
> > Thanks to all!
> > - Jeff Painter
> >
> > On 7/7/11 5:13 AM, Chris Paver wrote:
>> >> Dear List,
>> >> I have been reviewing the use of the axis attribute as defined in
>> >> Chapter 5, and
>> >> comparing it to the trajectory example in the Chapter 9 document at
>> >> A9.4. The
>> >> Ch. 5 rules states that only a coordinate variable can have an axis
>> >> attribute,
>> >> whereas the auxiliary variables cannot. However, in Ch. 9, the single
>> >> trajectory dimension is time, but the variable z contains the axis
>> >> attribute. Is
>> >> this a change to the rule as stated in Ch. 5, or a typo? I briefly
>> >> looked over
>> >> the other feature types in Ch. 9, and they all look to have the vertical
>> >> variable listed with the axis attribute, so maybe it is a typo.
>> >>
>> >> Thanks,
>> >> Chris
--
Chris Paver, Oceanographer
NOAA/NODC E/OC1
1315 East-West Hwy
Silver Spring MD 20910
Phone: 301-713-3272 ext. 118
Fax: 301-713-3302
http://www.nodc.noaa.gov/
Received on Wed Jul 20 2011 - 07:51:49 BST
