摘要
空间索引是空间数据库的关键技术 ,其性能的高低决定了整个空间数据库的效率。本文介绍两类常用空间索引 :R树类空间索引和四叉树类空间索引。
Spatial indexing is the key technology of spatial database . This paper introduces two commonly-used methods:Tree spatial indexing and Quad tree spatial indexing. An analysis on their advantages and disadvantages is also given.
出处
《微型电脑应用》
2001年第12期40-42,共3页
Microcomputer Applications
