中文摘要：

利用全球离散网格系统管理海量空间信息是一种受到普遍关注的新途径，具有等积特性的网格系统在大范围遥感影像数据处理方面具有重要的理论意义和应用前景。文中论述的算法在二十面体展开图上建立坐标系描述不同剖分产生的多分辨率网格，利用施奈德多面体投影映射到球面。针对算法特点设计具有网络模拟功能的软件模型。实验结果表明，该软件模型具有较好的扩展性。

英文摘要：

Discrete Global Grid System （DGGS） is a promising data structure for global geo-referenced data sets based on regular, multi-resolution partitions of polyhedra. The equal-area DGGSs, however, have the important theoretical meaning and applied potential on large-scale remote sensing data processing and management. A general algorithm which describes different DGGSs with a uniform framework on an unfolded icosahedron is introduced. According to the algorithm, a software model is designed. The result of experiments proves that our algorithm and soft ware model are flexible enough for complex apphcations.