https://github.com/astro-informatics/ssht-archive

Fast spin spherical harmonic transforms

https://github.com/astro-informatics/ssht-archive

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Fast spin spherical harmonic transforms

https://github.com/astro-informatics/ssht-archive/blob/public/

# SSHT: Fast spin spherical harmonic transforms

## DESCRIPTION
The SSHT code provides functionality to perform fast and exact spin spherical harmonic transforms.

## VERSION
Release 1.1b1, April 2017

## AUTHORS
- J. D. McEwen (www.jasonmcewen.org)
- C. G. R. Wallis
- M. Buttner
- B. Leistedt
- Y. Wiaux

## REFERENCES
- J. D. McEwen and Y. Wiaux, A novel sampling theorem on the sphere, IEEE Trans. Sig. Proc., 59(12):5876-5887, 2011 [(arXiv:1110.6298)](https://arxiv.org/abs/1110.6298).
- J. D. McEwen, G. Puy, J.-Ph. Thiran, P. Vandergheynst, D. Van De Ville, and Y. Wiaux, Sparse image reconstruction on the sphere: implications of a new sampling theorem. IEEE Trans. Image Proc., 22(6):2275-2285, 2013 [(arXiv:1205.1013)](https://arxiv.org/abs/1205.1013).

## DOCUMENTATION
See doc/index.html

## INSTALLATION
See doc/index.html

## REQUIREMENTS
FFTW [(http://www.fftw.org/)](http://www.fftw.org/)

## DOWNLOAD
[http://www.spinssht.org](http://www.spinssht.org)

## SUPPORT
Please email the authors or create an issue on the public github repository.

## NOTE
The package is in beta and is still under development. Please report problems/bugs by email (jason.mcewen@ucl.ac.uk) or create an issue on the public github repository.

## LICENSE
     SSHT package to perform spin spherical harmonic transforms
     Copyright (C) 2011  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.

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