一个强大的开源的计算几何算法库，全称是： 提供了诸如：2D凸包，3D凸包，三角化等等著名的计算几何经典算法。库是基于C++的。 -(I plan to dedicate every edition of this software to someone famous who has influenced computers, mathematics, or science.) Version 1.0 of Geometry is dedicated to the father of A