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The claim below surprised me (since I used to know and work with many
of the HDF group), so I had a look at the license for HDF5:

All rights reserved.

Contributors: National Center for Supercomputing Applications (NCSA)
at the University of Illinois, Fortner Software, Unidata Program
Center (netCDF), The Independent JPEG Group (JPEG), Jean-loup Gailly
and Mark Adler (gzip), and Digital Equipment Corporation (DEC).

Redistribution and use in source and binary forms, with or without
modification, are permitted for any purpose (including commercial
purposes) provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above
copyright notice, this list of conditions, and the following
disclaimer in the documentation and/or materials provided with the
distribution.
3. In addition, redistributions of modified forms of the source
or binary code must carry prominent notices stating that the original
code was changed and the date of the change.
4. All publications or advertising materials mentioning features
or use of this software are asked, but not required, to acknowledge
that it was developed by The HDF Group and by the National Center for
Supercomputing Applications at the University of Illinois at Urbana-
Champaign and credit the contributors.
5. Neither the name of The HDF Group, the name of the University,
nor the name of any Contributor may be used to endorse or promote
products derived from this software without specific prior written
permission from THG, the University, or the Contributor, respectively.
-------------------------------

I consider this about as close to open source as it gets and isn't
much different that the CellML terms of use: http://www.cellml.org/
terms

-Randy


On Nov 10, 2008, at 6:00 PM, cellml-discussion-request at cellml.org wrote:

>
> ------------------------------
>
> Message: 2
> Date: Tue, 11 Nov 2008 11:42:28 +1300
> From: James Lawson <j.lawson at auckland.ac.nz>
> Subject: Re: [cellml-discussion] Auto-generate HDF5 from CellML?
> To: CellML Discussion List <cellml-discussion at cellml.org>
> Message-ID: <4918B8D4.5060403 at auckland.ac.nz>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
> Hi Jon Olav,
>
> Sounds really interesting - the one reservation I'd have, however, is
> that HDF5 doesn't appear to be open-source.
>
> Cheers,
> James
>
> Jon Olav Vik wrote:
>> Dear all,
>>
>> I'm considering HDF5 for my storage needs in simulating a CellML
>> model under
>> multiple parameter scenarios. HDF5 is designed for efficient storage,
>> retrieval, navigation and subsetting of huge data sets [1], with
>> annotation
>> [2]. I plan on storing both raw and post-processed data, so that
>> if I detect
>> problems at a higher level, I can go back and look at details and
>> possibly re-
>> run those simulations. David Nickerson described a similar
>> approach in an
>> earlier post [3].
>>
>> However, setting up the data structure with annotations for
>> physical units and
>> such is quite time-consuming. On the other hand, the CellML
>> representation
>> holds all the required information. It would be very helpful to
>> auto-generate
>> an HDF5 data structure to hold output from simulations of CellML
>> models.
>>
>> Such a tool should be fairly easy to write for someone familiar
>> with both HDF5
>> and CellML, and would apply to all possible CellML models. I guess
>> it would be
>> overly restrictive to make an output format part of the CellML
>> metadata
>> specification. However, offering a standard output format would save
>> duplication of effort and make it easier to share simulation
>> results for
>> further visualization and analysis.
>>
>> I'd like the opinions of the CellML regulars, in particular
>> whether anything
>> similar has been discussed previously.
>>
>> Best regards,
>> Jon Olav Vik
>>
>> [1] http://www.hdfgroup.org/about/hdf_technologies.html
>> [2] http://www.hdfgroup.org/training/HDFtraining/UsersGuide/
>> MF_Annot.fm1.html
>> [3] http://article.gmane.org/gmane.text.xml.cellml.general/234/
>> match=hdf5
>>
>>
>> _______________________________________________
>> cellml-discussion mailing list
>> cellml-discussion at cellml.org
>> http://www.cellml.org/mailman/listinfo/cellml-discussion
>>
>
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> End of cellml-discussion Digest, Vol 52, Issue 5
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• [cellml-discussion] HDF5 licensing, Randy Heiland, 11/11/2008
  • [cellml-discussion] HDF5 licensing, James Lawson, 11/11/2008

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