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Projection of Healpix maps onto a planar grid

Project description

Latest Version License Wheels Format pyversions Read the doc

HealPixProjection is a project to allow easy and efficient projection of healpix maps onto planar grids. It can be used as a standalone program cutsky

$ cutsky 0.0 0.0 --mapfilenames HFI_SkyMap_857_2048_R2.00_full.fits

or as a python function

from hpproj import cutsky
result = cutsky([0.0, 0.0], maps={'Planck 857': {'filename': 'HFI_SkyMap_857_2048_R2.00_full.fits'}} )

or as a python class, for optimization when producting several cuts

from hpproj import CutSky, to_coord
cutsky = CutSky({'Planck 857': {'filename': 'HFI_SkyMap_857_2048_R2.00_full.fits'}})
result = cutsky.cut_fits(to_coord([0., 0.])

Features

  • Galactic and equatorial system supported

  • All projection system from wcslib

  • Project several healpix maps at once, efficiently !

  • Output in fits, png or votable for the central point source photometry

Installation

Install hpproj using pip :

$ pip install hpproj

or by running setuptools on source

$ python setup.py install

Contribute

Support

If you are having issues, please let us know.

License

This project is licensed under the LGPL+3.0 license.

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