The Computational Geometry Algorithms Library

such as geographic information systems，， computer aided design， computer graphics， CGAL is an open source software project that provides easy access to efficient and reliable geometric algorithms in the form of a C++ library.CGAL is used in various areas needing geometric computation。

alternatively， under a commercial licenseby GeometryFactory. 。

，molecular biology。

，and ，。

namely underthe GPL v3+ and，。

， and robotics. The library offers data structures and algorithms like， medical imaging，，...Explore the complete list of features and capabilities by visiting the CGALPackage Overview. The CGAL data structures and algorithms are distributed under a dual license，，。