Hi Glen,
A Thursday 26 February 2009, glenn escrigué:
> I have come across a similar error as this, and I've traced it down a
> bit. My code originally worked fine with HDF 1.8 and Pytables 2.0,
> but now that I'm running HDF 1.8.2 and Pytables 2.1, I see the error
> below with this table description:
> {'Timestamp':tables.Float64Col(),
> 'A_ID':tables.UInt32Col(),
> 'ID':tables.UInt64Col(),
> 'adcI':tables.Int8Col(shape=2**17,)),
> 'adcQ':tables.Int8Col(shape=2**17,)),
> 'SynFreq':tables.Float32Col(dflt=-1),
> 'ReceiverReady':tables.BoolCol(dflt=False),
> 'ReceiverState':tables.UInt32Col(),
> 'Noise':tables.UInt8Col(dflt=0),
> 'TertiaryPosition':tables.Int32Col(dflt=0),
> 'TelescopeHA':tables.Float32Col(dflt=0),
> 'TelescopeDec':tables.Float32Col(dflt=0),
> 'TelescopeLastUpdated':tables.Float64Col(dflt=0)}
>
> The problem is with the 'adcI' and 'adcQ' columns. If I reduce their
> shape to 2**14 or lower, it seems to work fine. I hope this helps
> track down the bug, I really need this to work again.
Yeah. Exactly the same issue was reported by another user some days
ago. This seems to be an HDF5 issue. See:
http://thread.gmane.org/gmane.comp.python.pytables.user/1113/focus=1114
for more info (and possible workarounds).
I'll definitely ask about this in the hdf-forum mailing list. BTW, with
which HDF5 version does your script work? 1.8.0 or 1.8.1?
Regards,
--
Francesc Alted
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