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 <[email protected]> Subject: Re: [CF-metadata] CF feature type trajectory (Ch. 9; May 10, 2011) and axis attribute To: "Jeffrey F. Painter" <[email protected]> Cc: [email protected] Message-ID: <[email protected]> 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/ _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
