7Goodchild M F,Yang S.A Hierarchical Data Structure for Global Geographic Information Systems[J].Computer Graphics,Vision and Image Processing,1992,54(1):31-44
8Foster I,Lman C,Tuecke S.The Anatomy of the Grid:Enabling Scalable Virtual Organizations[J].International Journal Supercomputer Applications,2001,15(3):200-222
9Sahr K,White D.Geodesic Discrete Global Grid Systems[J].Cartography and Geographic Information Science,1998,30(2):121-134
10Fekete G.Rendering and Managing Spherical Data with Sphere Quadtrees[C].The First 1990 IEEE Conference on Visualization,San Francisco,California,1990
