[AstroPy] slicing

[Aldcroft, Thomas]

On Thu, Feb 11, 2016 at 5:42 AM, Stefano Covino <
stefano.covino at brera.inaf.it> wrote:

> Dear friends,
>
> let’s assume we have a data array read from a FITS file:
>
> data = getdata(‘file.fits’)
>
> I need to do some computations on a subset of it, for instance:
>
> datf = dat[bb-size:bb+size,aa-size:aa+size]
>
> where aa and bb are x,y positions and size a fixed number (e.g. 10).
>
>
>
> So, the question. Is it possible that aa and bb are not simple integers
> but lists or arrays of integers?
>

Hi Stefano,

You can get a good idea of what is possible with array indexing by starting
with the numpy documentation:

  http://docs.scipy.org/doc/numpy-1.10.1/user/basics.indexing.html

- Tom


>
>
> Thanks,
>         Stefano
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