This package supports the conversion from beam data calculated using GRASP for CMB experiments to spherical harmonic coefficients ($a_{\ell m}$) based on the HEALPix framework. The code is designed based on Beam, which is part of LevelS, the pipleline of the Planck experiment.

Instllation

pip install grasp2alm

Or you can install it from the GitHub source by:

git clone https://github.com/yusuke-takase/grasp2alm
cd grasp2alm
pip install -e .