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  • About ▾
    • About Astropy
    • Code of Conduct
    • Acknowledging & Citing
    • History
  • Documentation ▾
    • astropy
    • asdf-astropy
    • astropy-healpix
    • astroquery
    • ccdproc
    • photutils
    • regions
    • reproject
    • specreduce
    • specutils
  • Get Help
  • Contribute
  • Affiliated Packages
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regions 0.12.dev262+gb3f5637fe

  • Getting Started
  • User Guide
    • Region Shapes
    • Region Metadata
    • Checking for Points Inside Regions
    • Combining Regions
    • Computing Overlap Masks
    • Coordinate Frame Transformation of Spherical Regions
    • Bounding Regions for On-Sky Spatial Searches
    • Plotting Regions with Matplotlib
    • Reading/Writing Region Files
    • Converting Regions to Shapely Objects
  • API Reference Guide
  • Development
  • Release Notes
  • User Guide

User Guide#

Defining Regions#

  • Region Shapes
  • Region Metadata

Using Regions#

  • Checking for Points Inside Regions
  • Combining Regions
  • Computing Overlap Masks
  • Coordinate Frame Transformation of Spherical Regions
  • Bounding Regions for On-Sky Spatial Searches
  • Plotting Regions with Matplotlib

Region File I/O#

  • Reading/Writing Region Files

Shapely Conversions#

  • Converting Regions to Shapely Objects

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Citing Regions

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Region Shapes

On this page
  • Defining Regions
  • Using Regions
  • Region File I/O
  • Shapely Conversions

© Copyright 2015-2026, Regions Developers.

Code of Conduct

Updated on 11 Jun 2026 , built with Sphinx 9.1.0