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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
sounds great, thanks Ben. On Sat, Apr 16, 2016 at 4:11 PM, Ben Caradoc-Davies <ben@xxxxxxxxxxxx> wrote: > On 17/04/16 09:29, John Caron wrote: > >> The question I never answered for myself is what is the relationship >> between >> ucar.unidata.geoloc.projection.RotatedPole >> which was contributed for CF: >> > [...] > >> and >> ucar.unidata.geoloc.projection.RotatedLatLon >> which was contributed for GRIB data: >> > > John, as far as I can tell (and I added two unit tests to satisfy myself), > these two projections produce identical results, and differ only in their > projection parameters. Pull request #531 migrated rotated lat/lon GRIB2 > support to RotatedPole for conformance with CF Conventions. > > The change to use RotatedPole improves interoperability; for example: last > week I merged a contributed Rotated_Pole projection into GeoTools (from the > COSMO community), and I have support for NetCDF CF Conventions rotated pole > in a GeoTools branch (soon to use the new Rotated_Pole projection). The old > RotatedLatLon did not conform to CF Conventions and so lacked support. > > PS: I presume youve given us some test GRIB files using template 32769 >> to add to our unit tests? >> > > I have not yet done so. I think that adding a template 32769 file to the > Unidata test data set is an excellent idea. I will approach the data owner, > seek their permission, and follow up with Christian W-G. > > > Kind regards, > > -- > Ben Caradoc-Davies <ben@xxxxxxxxxxxx> > Director > Transient Software Limited <http://transient.nz/> > New Zealand >
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