Hello Giovanni,
I think you may need to del that slice and then possibly repack. Hope this
helps.
Be Well
Anthony
On Mon, Aug 5, 2013 at 2:09 PM, Giovanni Luca Ciampaglia <
glc...@gm...> wrote:
> Hello all,
>
> is there a way to clear out a chunk from a CArray? I noticed that setting
> the
> data to zero actually takes disk space, i.e.
>
> ***
> from tables import open_file, BoolAtom
>
> h5f = open_file('test.h5', 'w')
> ca = h5f.create_carray(h5f.root, 'carray', BoolAtom(), shape=(1000,1000),
> chunkshape=(1,1000))
> ca[:,:] = False
> h5f.close()
> ***
>
> The resulting file takes 249K ...
>
> Best,
>
> --
> Giovanni Luca Ciampaglia
>
> Postdoctoral fellow
> Center for Complex Networks and Systems Research
> Indiana University
>
> ✎ 910 E 10th St ∙ Bloomington ∙ IN 47408
> ☞ http://cnets.indiana.edu/
> ✉ gci...@in...
>
>
> ------------------------------------------------------------------------------
> Get your SQL database under version control now!
> Version control is standard for application code, but databases havent
> caught up. So what steps can you take to put your SQL databases under
> version control? Why should you start doing it? Read more to find out.
> http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk
> _______________________________________________
> Pytables-users mailing list
> Pyt...@li...
> https://lists.sourceforge.net/lists/listinfo/pytables-users
>
|
