Determining spatial relation between two spherical objects is approached in this paper by recursive refine based on QTM (Quaternary Triangular Mesh) hierarchical partition.

• 主要讨论了在基于四元三角网 ( quaternary Triangular Mesh,简称 QTM)球面层次格网剖分的基础上 ,通过单元递归细化来确定 2个球面实体的空间关系。