On the base of analysis classic methods, the morphologic addition algorithm for convex polyhedron is predigested to the morphologic addition of faces in polyhedron.

• 在研究传统形态算法的基础上；将凸多面体的形态和算法简化为面与面的形态和；结合三维物体的法矢球模型；引入参考平面的概念.