Mike, Cauquil, list, I'm interested in this topic of file formats and CF compliance. I've only used the most basic CF features (CF-required global attributes and variable attributes). To me none of these seem to depend on whether the file is netCDF3/4 or HDF5. Are there more advanced features of CF that require the netCDF "Classic" model? Can we expand to at least netCDF4 with data only in the root group?
I brought this up late last year, but didn't get any bites: http://www.mail-archive.com/[email protected]/msg02487.html As far as a proof of concept, I do have HDF5 files that will pass a CF-checker, however only data sets in the root group are checked as the CF-checker doesn't descend into sub-groups. So I know that that it's possible to a degree, but the question is whether or not this is "blessed" by the actual conventions. Regards, -Corey On Tue, 13 Mar 2012 09:31:46 +0000 Mike Grant <[email protected]> wrote: >Hi Cauquil, > >On 12/03/12 15:29, Cauquil Pascal (Capgemini) wrote: >> We intend to use netcdf4 for this new program to use compression and >> group possibilities but, we want also to be compliant with CF-1.6 >> convention. >> >> Do you think it is a possible to display "CF-1.6 compliant" using >> these 2 netCDF4 features too? Is netCDF4 an axis of discussion for >> the CF group? > >We use netcdf4 with internal compression and are 1.6 compliant (in as >much as we can say that without having a compliance checker to ensure >that). There's no conflict between CF and the compression feature. > >I'm not so sure about internal groupings (like HDF5?). I don't see any >reason why it shouldn't be compatible, but I don't think anyone has put >effort into defining exactly the expectations for the "non-classic" >model. CF may currently be somewhat tied to the netcdf "classic" model, >but perhaps someone wiser can correct me. > >Cheers, > >Mike. > ><br /> ><hr /> ><p><font face="Arial" size="1"> >Plymouth Marine Laboratory<br /> >Registered Office: <br /> >Prospect Place<br /> >The Hoe<br /> >Plymouth PL1 3DH ></font></p> > ><p><font face="Arial" size="1">Website: <a >href="http://www.pml.ac.uk";>www.pml.ac.uk</a> ><br /> ><a href="http://www.pml.ac.uk/pdf/PML%20Annual%20Review%202011_2.pdf";>Click >here for the latest PML Annual Review</a> ><br /> >Registered Charity No. 1091222<br /> >PML is a company limited by guarantee<br /> >registered in England & Wales<br /> >company number 4178503</font></p> > ><p><font face="Arial" size="1" color="green">Please think before you >print.</font></p> > ><hr /> > ><p><font face="Arial" size="1">This e-mail, its content and any file >attachments are confidential.</font></p> > ><p><font face="Arial" size="1">If you have received this e-mail in error >please do not copy, disclose it to any third party or use the contents or >attachments in any way. Please notify the sender by replying to this e-mail or >e-mail [email protected] and then delete the email without making any copies >or using it in any other way.</font></p> > ><p><font face="Arial" size="1">The content of this message may contain >personal views which are not the views of Plymouth Marine Laboratory unless >specifically stated.</font></p> > ><p><font face="Arial" size="1">You are reminded that e-mail communications are >not secure and may contain viruses. Plymouth Marine Laboratory accepts no >liability for any loss or damage which may be caused by viruses.</font></p> > ><hr /> ><br /> ><br /> > >_______________________________________________ >CF-metadata mailing list >[email protected] >http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ************************************* Corey Bettenhausen Science System and Applications, Inc Goddard Space Flight Center 301 614 5383 [email protected] ************************************* _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
