Hi,

I completely forgot to forward this. This is from a private discussion
with Jonas Frantz, the author of gperiodic. I asked him, if he is
interested in using bodr as base for gperiodic. Here his answer
(full-quoted).

-------- Weitergeleitete Nachricht --------
> Von: Jonas Frantz <[EMAIL PROTECTED]>
> An: Daniel Leidert <[EMAIL PROTECTED]>
> Betreff: Re: gperiodic: Some issues and improvements
> Datum: Tue, 03 Jul 2007 08:56:05 +0300
> 
> Hi, 
> 
> it seems (judging from dicts/blueobelisk-dictionary.xml) that defining a
> crystal structure for an element is already defined. We would just need
> to add the crystal lattice constant (i.e. size of the unit cell, usually
> given in angstroms) and then rewrite the crystalsructure.xml to include
> the general crystalstructures.
> 
> You have my permision to put this forward.
> 
> Best regards,
> 
> Jonas Frantz
> 
> On Sun, 2007-07-01 at 18:45 +0200, Daniel Leidert wrote:
> > Am Samstag, den 30.06.2007, 12:26 +0300 schrieb Jonas Frantz:
> > > Hi,
> > > 
> > > I'd love to use bodr, but unfortunately its lacking quite a number of
> > > data shown by gperiodic, however, since bodr probably contains more
> > > accurate and up-to-date data than gperiodic, I will implement a patching
> > > mechanism of gperiodics data from bodr. A second problem is that the
> > > crystalstructure data included in bodr doesnt really make any sense.
> > > 
> > > In my opinion the crystal structure data should be implemented by having
> > > a field in elements.xml describing the type och structure (i.e. SC, FCC,
> > > HCP, BCC, diamond and so on) and a field describing the crystal lattice
> > > constant (i.e. the size of one unit cell in the crystal).
> > > crystalstructure.xml should then just describe the unit vectors of a
> > > certain structure in terms of the crystal lattice constant. This would
> > > make a much more consistent and useful dataset.
> > > 
> > > However, this is just mine point of view, a a phycisist. If you want to
> > > take bodr in this direction (it would certainly be a logical next step),
> > > I will certainly help you out.
> > 
> > Thanks for your comments. Do I have your permission to forward your
> > comment to the bodr members (the open mailing list), so it can be
> > discussed?
> > 
> > Regards, Daniel
> > 
> 
> 


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