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+CGAL is a collaborative effort of several sites in Europe and Israel. The goal
+is to make the most important of the solutions and methods developed in
+computational geometry available to users in industry and academia in a C++
+library. The goal is to provide easy access to useful, reliable geometric
+algorithms.
+
+The CGAL library contains:
+
+ * the Kernel with geometric primitives such as points, vectors, lines,
+ predicates for testing things such as relative positions of points, and
+ operations such as intersections and distance calculation.
+ * the Basic Library which is a collection of standard data structures and
+ geometric algorithms, such as convex hull in 2D/3D, (Delaunay)
+ triangulation in 2D/3D, planar map, polyhedron, smallest enclosing
+ circle, and multidimensional query structures.
+ * the Support Library which offers interfaces to other packages, e.g., for
+ visualisation, and I/O, and other support facilities.
+
+WWW: http://www.cgal.org/
+
+- Jean-Yves Lefort
+jylefort@FreeBSD.org