From the 3D animation technique, an approach of integrating primitive representation, CSG and linear octree is given.Furthermore a conceptual framework of multirepresentationbased GIS is discussed.

• 从三维动画技术着眼,提出将原型法、CSG法与线性八叉树相结合的观点,最后提出一种基于多元表示的三维GIS系统的构想框架。