On 17 mrt 2010, at 18:21, Francesc Alted wrote:
> A Tuesday 16 March 2010 17:45:36 Maarten Sneep escrigué:
>>
>
>> What is the most convenient way of storing a configuration file like this
>> in a pytables file?
>
> Well, I'd say the above (scalar Array) is good enough because it is compact
> and can be larger than 64 KB (which is a limitation for HDF5 attributes).
Yes, from a technical point of view. But from a usability point of view a
string array with elements of 64 kB each is more convenient. Most HDF viewers
(well, at least hdfview ;) can show the text as text, not a byte array. I now
use single element arrays (each atom a 64 kB string), with code to
automatically split the file (on new-lines) over multiple arrays. Compression
does the rest (I think). Actually formulating the question here already helped
me to get an answer. Seeing what types came out of the HDF-EOS file was enough
of an answer.
>> The natural naming scheme is more convenient, and will be employed in my
>> files.
>
> Definitely. But you can also retrieve the above node as:
>
> ArchiveMetadata = h5file.getNode('/HDFEOS INFORMATION/ArchiveMetadata.0')
>
> which is pretty much shorter.
Yes, but interactive use sometimes accesses items piece by piece in a
hierarchy...
Best,
Maarten
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