Re: [Pytables-users] ANN: PyTables 3.0 final

[Anthony S. <sc...@gm...>]

Hi Tim,

Thanks!

I think for what you want to do you should be using the read() method [1],
which does support the out argument rather than literal slicing.

Be Well
Anthony

1.
http://pytables.github.io/usersguide/libref/structured_storage.html#tables.Table.read


On Sun, Jun 2, 2013 at 7:26 PM, Tim Burgess <tim...@ma...> wrote:

> Yes, congratulations on the new release folks! I am trying out some of my
> codebase with 3.0.0 at present.
>
> - All read methods now have an optional *out* argument that allows to
>   pass a pre-allocated array to store data.
>
> I have a question about the above. And that is whether this is available
> when reading slices?
>
> Looking thru the master branch codebase, it seems that a bit of user code
> like:
>
> hotspot = h5f.root.anom[firstindex]
>
> where I am taking a 2D plane out of a 3D array using just the first index,
> will use __getitem__() which in turn uses _read_slice(startl, stopl, stepl
> , shape). So at present, the 'out' parm is not available for slicing?
>
> Tim Burgess
>
>
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