clipper2 ☆

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Description:
Polygon clipping and offsetting library

Type: Formula | Latest Version: 1.5.4@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: geometry polygon clipping graphics cad gis

Install: brew install clipper2

About:
Clipper2 is a high-performance polygon clipping and offsetting library that supports boolean operations (union, intersection, difference, xor) and polygon offsetting (buffering). It is robust, handling complex self-intersecting polygons and floating-point coordinates without precision issues. The library is implemented in multiple languages including C++, C#, Delphi, and Python, making it highly portable for various development environments.

Key Features:

Supports all boolean operations (union, intersection, difference, xor)
Robust handling of floating-point coordinates and self-intersecting polygons
Fast polygon offsetting (inflation/deflation)
Multi-language support (C++, C#, Python, Delphi, JavaScript)
Open source with permissive license

Use Cases:

GIS applications for geographic data processing
CAD/CAM software for shape manipulation
Computer graphics for rendering complex polygons
Robotics and pathfinding for collision detection

Alternatives:

CGAL – More comprehensive but heavier and GPL licensed
Boost.Geometry – Part of Boost ecosystem, C++ only, similar performance
libgd – General graphics library, less specialized for polygon operations

Version History

Detected	Version	Rev	Change	Commit
Sep 11, 2025 6:20am		0	VERSION_BUMP	92a7770f