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DeepMass infers dark matter maps from weak gravitational lensing measurements and uses deep learning to reconstruct cosmological maps. The code can also be incorporated into a Moment Network to enable high-dimensional likelihood-free inference.
BornRaytrace uses neural data compression of weak lensing map summary statistics to simulate weak gravitational lensing effects. It can raytrace through overdensity Healpix maps to return a convergence map, include shear-kappa transformation on the full sphere, and also include intrinsic alignments (NLA model).
GLASS (Generator for Large Scale Structure) produces cosmological simulations on the sphere. The full, three-dimensional past light cone of the observer is discretized into a sequence of nested shells, which are further discretized in the angular dimensions into maps of the sphere. GLASS was originally designed to simulate cosmic matter, weak gravitational lensing, and galaxy positions, but its flexible design and open architecture allows it to be used for a wide range of cosmological and astrophysical simulations on the sphere.