wcslib ☆
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Description:
Library and utilities for the FITS World Coordinate System
Type: Formula  |  Latest Version: 8.5@0  |  Tracked Since: Dec 8, 2025
Links: Homepage  |  formulae.brew.sh
Category: Other
Tags: astronomy fits wcs science library
Install: brew install wcslib
About:
wcslib is a C library that provides comprehensive routines for converting celestial pixel coordinates to world coordinates and vice versa, adhering to the FITS World Coordinate System standard. It supports a wide range of celestial projection algorithms and is essential for accurate astronomical data analysis. The package also includes command-line utilities for inspecting and manipulating WCS headers in FITS files.
Key Features:
  • Comprehensive support for all standard WCS algorithms and projections
  • Routines for pixel-to-world and world-to-pixel coordinate transformations
  • Includes command-line utilities for FITS header manipulation
  • Robust and widely used in astronomical software pipelines
Use Cases:
  • Astronomical image analysis to determine celestial coordinates of sources
  • Developing software to process and align multi-wavelength FITS data
  • Scripting automated calibration of telescope observation data
Alternatives:
  • astropy.wcs – Astropy's WCS module is a Python wrapper often used for its ease of integration in Python-based astronomical pipelines, whereas wcslib is the core C library it depends on.
Version History
Detected Version Rev Change Commit
Dec 8, 2025 6:48pm 0 VERSION_BUMP add148db
Sep 11, 2025 12:50am 0 VERSION_BUMP a9a70787
Dec 28, 2024 10:30am 0 VERSION_BUMP 5df72903
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