1. Zhang, S.: Researeh of Global Remote Sensing Image Browser System Based on Octahedron Discrete Global Grids Model, East China Normal University (2009)
2. Faust, N., Ribarsky, W., Jiang, T., et al.: Real-time global data model for the digital earth. In: Proceedings of the International Conference on Discrete Global Grids (2000)
3. Hitchner, L.: Virtual planetary exploration: a very large virtual environment. In: ACM SIGGRAPH 1992, Tutorial on Implementing Immersive Virtual Environments (1992)
4. Li, D., Cui, W.: Geographic ontology and SIMG. Acta Geodaetica Cartogr. Sin. 35(02), 143–148 (2006)
5. Li, D., Shao, Z., Zhu, X.: Spatial information multi-grid and its typical application. Geomat. Inf. Sci. Wuhan Univ. 29(11), 945–950 (2004)