[SciPy-user] [half OT?] best way to store a spectrum
Wed May 27 14:51:53 CDT 2009
On May 27, 2009, at 8:50 PM, Gary Pajer wrote:
> I note that you specifically ask about storage.
Well, I'm not that fluent with "Engrish"... I mean a way to represent
a spectra with an appropriate data structure which can help in
selecting single spectrum regions or peaks...
> I store spectra, too. Each one has 5,000 - 10,000 data points, and
> I have sequences of them. Up until recently I was simply storing
> them in numpy arrays.
Did you use arrays with (2,1) shape? or an array for mass and an array
> When the length of the sequence got up to several hundred I switched
> to hdf5/PyTables. The greatest advantage is that I don't worry so
> much about the structure of my saved datasets. I was starting to
> lose sleep. I can also more conveniently store the small bits of
> metadata, and other data. Now I'm looking into h5py to lower (?)
> the overhead. My primary need is storage, and I don't need PyTables
> rich abilites.
Thanks so much. As I will deal with storage issues I will definitely
take a look to those (I probably need them for other projects ^__^)
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