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Issue:
Research on methods of spatial index based on TIN
Author(s):
LIU Zuo
,
SI Haiyan
Pages:
34
-
37
Year:
2009
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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