An open-source program to be used for pixelization, hierarchical indexation, synthesis, analysis, and visualization of data on a sphere. #Sphere visualization #Sphere analysis #Sphere pixelization #Visualizer #Analyzer #Pixelizer
HEALPix is an open source software for pixelization, hierarchical indexation, synthesis, analysis, and visualization of data on the sphere.
As suggested in the name, the pixelization will produce a subdivision of a spherical surface in which each of the pixels covers the same surface area as every other pixel.
The current version of the HEALPix package (to be updated semi-regularly) contains a suite of programs which allow all of the following (and more): · Programs for fast simulation and analysis of full-sky maps of CMB temperature and polarization anisotropy (sky maps preview) up to sub-arcminute angular resolution · C, C++, Fortan 90, IDL, Java, Python implementation of most routines and facilities (for third party implementation in other languages, see this HEALPix wiki page) · Most critical routines are parallelized · Forward and backward scalar and spin-weighted Spherical Harmonics Transforms · Highly optimised Spherical Harmonics Transforms library (libsharp) used by all implementations for better performance · Routines to read and write the FITS formatted map data sets, and allowing the IDL, Java or Python display and processing of your results · Fortran 90 and C++ visualization facilities · Comprehensive documentation (PDF and HTML) · Automated installation and build scripts · Programs to search the maps for pixel neighbours and extrema of a random field · Pixel queries in discs, triangles, polygons and strips · Programs to manage, modify and rotate spherical harmonic coefficients of arbitrary maps · Programs to perform median filtering of sky maps · Constrained and non-Gaussian realization facilities. · Mask processing facilities · An IDL toolkit for pixel manipulation and FITS file manipulation. · Facilities to output HEALPix maps into Google Earth/Google Sky compliant images and into DomeMaster format used in planetariums.
What's new in HEALPix 3.81:
- C++:
- Cfitsio 4.0.0 (Jul 2021) and higher now properly supported
HEALPix 3.81
add to watchlist add to download basket send us an update REPORT- runs on:
- macOS (-)
- file size:
- 69.6 MB
- filename:
- Healpix_3.81_2022Jan25.zip
- main category:
- Math/Scientific
- developer:
- visit homepage
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