dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Jan 14, 2009 at 10:59:09AM -0700, Bartosz Sawicki wrote:
> On 13/01/09 09:37 PM, Jed Brown wrote:
> > On Tue, Jan 13, 2009 at 13:54, Anders Logg <logg@xxxxxxxxx> wrote:
> >> It would be nice to have it in XML to make it at least partly human
> >> readable. One may look at the file and see that it's a mesh, function,
> >> vector, whatever and that there is a portion of binary data.
> > 
> > Are you familiar with XDMF?  It stores either as inline XML or as
> > binary in a separate HDF5 file and is supported by ParaView and VisIt.
> >  If you ever read from a parallel file system (using MPIO), the HDF5
> > format is likely to be convenient and will perform lazy byte-swapping.
> >  While XDMF is insufficient for my application, I think it's
> > reasonably well designed and storing binary data in HDF5 is better
> > than the alternatives.
> 
> For me, XDMF is worth to consider. But it should be treat as a new 
> format in Dolfin, rather that an extention of already used XML.
> 
> Moreover, everything confirms that mixing binary data with XML is not a 
> good idea. I'm afraid we can't avoid two files, if we want to include 
> some human readable information. The other option is to have one binary 
> file, and some utility displaying its internal structure (like h5dump).

ok, let's go for two files then.

-- 
Anders

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