空间索引 meaning in English
spatial indexing
Examples
- Access control model of 2 - d spatial region based on spatial index
基于空间索引的二维空间区域访问控制模型 - R - tree primarily indexes on point and polygon objects . bucketfile only indexes on line objects
基于r树的空间索引结构主要对点对象和面对象进行索引； bucketfile空间索引结构主要对线对象进行索引。 - Spatial index is a indispensable part of spatial database , and can dramatically improve efficiency when doing a spatial query
空间索引作为空间数据库中的重要组成部分，可以加快对空间对象的检索。 - In this paper , we focus on the structure of r - tree and bucketfile , and the algorithm of three kinds of spatial queries
本文重点讨论了r树、 bucketfile两种空间索引的基本结构及三类空间查询在其上的算法实现。 - Aim at the characters of spatial data access control , the concept of spatial region access control based on spatial index was proposed
摘要针对空间数据的访问控制的特点，提出了基于空间索引的区域访问控制概念。