isinpolygon

Function to check if a vertex is located inside or outside a given polygon. Overloaded for arrays of points.

https://github.com/NicolasDouillet/isinpolygon

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Please first check the examples tab (.mlx file) here on the right for a complete description.
Once downloaded, typewrite help isinpolygon or doc isinpolygon in Matlab console for support.
To benefit from the file documentation attached, be sure to download all the files.
Input points of the set (V) have to be already sorted in the right order.
Works for multiple points to test (P).
Please consider rating this code if it helped you. Thanks ;-)

Cite As

Nicolas Douillet (2026). isinpolygon (https://github.com/NicolasDouillet/isinpolygon/releases/tag/v4.0), GitHub. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
4.0

See release notes for this release on GitHub: https://github.com/NicolasDouillet/isinpolygon/releases/tag/v4.0

3.1

See release notes for this release on GitHub: https://github.com/NicolasDouillet/isinside2Dset/releases/tag/v3.1

3.0

See release notes for this release on GitHub: https://github.com/NicolasDouillet/isinside2Dset/releases/tag/v3.0

2.0

See release notes for this release on GitHub: https://github.com/NicolasDouillet/isinside2Dset/releases/tag/v2.0

1.2

See release notes for this release on GitHub: https://github.com/NicolasDouillet/isinside2Dset/releases/tag/v1.2

To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.