On the basis of this model , the author put forward a R-tree based Composite Spatiotemporal Index (CST-TREE) and described its structure and mechanism.
并在此模型上提出了一个基于R树的复合时空索引(CST-TREE)机制,定义了节点结构,并分析、描述了此索引的结构及原理。
According to the characteristics of spatial index of grids and R-tree, a hybrid structure of spatial multilevel index is presented based on grid and R-tree.
结合网格索引和R树索引的特点,提出了一种基于网格与R树的多级混合索引。
The R-tree is a commonly used index structure of spatial data.
树是常用的空间数据索引结构。
R-tree is a dynamic index tree of space search. Its structure use multi-dimensional region to express spatial data object. R-tree is a valid way to visit rectangle.
树是空间搜索的动态索引树,它的结构是利用多个维中的区间来表示空间数据对象,它是矩形访问的一种有效方法。
QR-tree, a spatial index structure based on R-tree and a kind of space partition method using Quad-tree, is proposed. Its data structure and algorithms are also stated.
提出了一种基于R-树与“四叉树”空间层次划分的空间索引结构QR-树,给出了其数据结构和算法描述。
QR-tree, a spatial index structure based on R-tree and a kind of space partition method using Quad-tree, is proposed. Its data structure and algorithms are also stated.
提出了一种基于R-树与“四叉树”空间层次划分的空间索引结构QR-树,给出了其数据结构和算法描述。
应用推荐