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Functions on the sphere http://astro-informatics.github.io/s2
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S2 PACKAGE Object oriented wrapper for functions on the sphere --------------------------------------------------------------- DESCRIPTION The s2 package contains functionality to support functions defined on the sky/sphere and was developed primarily for astrophysical applications. Both real space map and harmonic space spherical harmonic representations are supported. Basic sky representations have been extended to simulate full sky noise distributions and Gaussian cosmic microwave background realisations. Support for the representation and convolution of beams is also provided. A HEALPix spherical pixelisation scheme is adopted, although this may be extended in the future to support other pixelisations of the sphere. VERSION Release 1.1 AUTHORS J. D. McEwen (http://www.jasonmcewen.org) ACKNOWLEDGEMENTS D. J. Mortlock S. M. Feeney REFERENCE The s2 package was written originally for the development of fast continuous wavelet transform algorithms on the sphere but has since evolved to provide much additional functionality. If you use the code to produce published works please reference the download site http://www.mrao.cam.ac.uk/~jdm57/ and our related paper: J. D. McEwen, M. P. Hobson, D. J. Mortlock, and A. N. Lasenby. Fast directional continuous spherical wavelet transform algorithms. IEEE Trans. Sig. Proc., 55(2):520-529, 2007 (astro-ph/0506308). DOCUMENTATION See doc/index.html REQUIREMENTS HEALPix (http://healpix.jpl.nasa.gov/) CFITSIO (http://heasarc.gsfc.nasa.gov/docs/software/fitsio/) INSTALLATION See doc/index.html DOWNLOAD http://www.jasonmcewen.org/codes.html SUPPORT Contact Jason McEwen (http://www.jasonmcewen.org) NOTE The package is still under development Please report problems/bugs by email to Jason McEwen LICENSE s2 package to provide object oriented functionality for functions on the sky/sphere Copyright (C) 2008 Jason McEwen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details (LICENSE.txt). You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.