An algorithm to estimate the curvature of a quadrilateral is presented.And a new algorithm of triangulation based on the criterion of minimizing this curvature is proposed.

• 摘要从曲率入手，提出一种空间凸四边形的曲率估计算法，由此建立了一种新的基于该曲率的三角剖分优化准则以及曲面三角剖分算法。