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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 module

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

Note

For science applications requiring high photometric accuracy, we recommend the drizzlib software developed by CADE, which uses a flux-conserving drizzling method to reproject data between HEALPix and local WCS. Drizzlib is available as standalone software (IDL python) here: http://cade.irap.omp.eu/dokuwiki/doku.php?id=software . An online interface, drizzweb, is available here: http://drizzweb.irap.omp.eu/ .

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

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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