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Research on methods of spatial index based on TIN
Author(s): 
Pages: 34-37
Year: Issue:  5
Journal: Engineering of Surveying and Mapping

Keyword:  TIN数据结构空间索引空间查询;
Abstract: 结合常见的三表数据结构,构建二表数据结构,在二表数据结构的基础上,探讨适应TIN模型的空间索引方法,提出重心空间索引和顶点空间索引两种算法,同时比较各空间索引算法的优劣,为提高空间数据查询的效率提供依据.
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