[AstroPy] Healpy

[Wolfgang Kerzendorf]

Hi Emil,

I personally believe that astropy shouldn't go out and incorporate all the
smaller packates into astropy core. Everytime something is incorporated,
the astropy core team would need to support and maintenance of the package
(and astropy core is already stretched thin). So I think it's better for
everyone if they stay independent (it's trivial to type pip install healpy
and works well). BUT, what I totally agree with you is that the astro
packages should easily work together. I would be very keen to hear what
functionality is still clunky? How would you like astropy and healpy to
work better together?

Cheers,
   Wolfgang

--
Dr. Wolfgang E Kerzendorf
ESO Fellow
European Southern Observatory
Karl-Schwarzschild Str. 2, 85748
Garching bei Muenchen, Germany

On Mon, Oct 5, 2015 at 9:00 AM Emil Lenc <elenc at me.com> wrote:

> Thanks everyone for the useful input.
>
> Tom, thanks also for highlighting the reprojection functionality as I
> wasn’t aware of it - that’s certainly something that’ll be useful to keep
> in mind. BTW, one of the additional bits of functionality that healpy
> provides is functionality associated with spherical harmonics. I’m fairly
> new in terms of working in this domain and I could be wrong but I assume
> this is not available elsewhere?
>
> It would be a shame if licensing was the primary issue that prevented
> healpy from being incorporated - hopefully this can change in future.
>
> Cheers,
>
> Emil.
>
> > On 3 Oct 2015, at 17:46, Thomas Robitaille <thomas.robitaille at gmail.com>
> wrote:
> >
> > Hi Emil,
> >
> > The 'reproject' Astropy-affiliated package provides a way to easily
> > reproject images using Healpy in addition to astropy.wcs:
> >
> > http://reproject.readthedocs.org/en/stable/
> >
> > The functionality with Healpy is optional, so the package is normally
> > BSD-licensed, but if you do install Healpy, then as indicated here:
> >
> > http://reproject.readthedocs.org/en/stable/healpix.html
> >
> > you have to abide by the GPL license instead.
> >
> > Cheers,
> > Tom
> >
> > Emil Lenc wrote:
> >> Hi All,
> >>
> >> I was wondering if there were any plans to incorporate healpy (the
> python interface to the HEALPIX library) into astropy? I often work between
> HEALPIX and FITS format images and it would be really convenient to have
> these two common formats available within the same package.
> >>
> >> Cheers,
> >>
> >> Emil.
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