Albert Thuswaldner wrote: >>From what I understand, netCFD is based on on HDF5, at least as of the > version 4 release.
Netcdf4 is indeed built on hdf5, but netcdf3 is not, and netcdf3 format is likely to stick around for a *very* long time. The netcdf4 library is backwards-compatible with netcdf3. Eric > > On Mon, May 25, 2009 at 19:19, Eric Firing <efir...@hawaii.edu> wrote: >> Francesc Alted wrote: >>> A Monday 25 May 2009 00:31:43 David Warde-Farley escrigué: >>>> As Robert's design document for the NPY format says, one option would >>>> be to implement a minimal subset of the HDF5 protocol *from scratch* >>>> (that would be required for saving NumPy arrays as top-level leaf >>>> nodes, for example). This would also sidestep any tricky licensing >>>> issues (I don't know what the HDF5 license is in particular, I know >>>> it's fairly permissive but still might not be suitable for including >>>> any of it in NumPy). >>> The license for HDF5 is BSD-based and apparently permissive enough, as can >>> be >>> seen in: >>> >>> http://www.hdfgroup.org/HDF5/doc/Copyright.html >>> >>> The problem is to select such a desired minimal protocol subset. In >>> addition, >>> this implementation may require quite a bit of work (but I've never had an >>> in- >>> deep look at the guts of the HDF5 library, so I may be wrong). >>> >>> Cheers, >>> >> If the aim is to come up with a method of saving numpy arrays that uses >> a standard protocol and does not introduce large dependencies, then >> could this be accomplished using netcdf instead of hdf5, specifically >> Roberto De Almeida's pupynere, which is already in scipy.io as >> netcdf.py? Or does hdf5 have essential characteristics for this purpose >> that netcdf lacks? >> >> Eric >> _______________________________________________ >> Numpy-discussion mailing list >> Numpy-discussion@scipy.org >> http://mail.scipy.org/mailman/listinfo/numpy-discussion >> > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
