摘要
G IS的一个难点是实现空间数据和属性数据的一体化存储和管理,研究用Oracle Spatial技术来解决这个问题。在确定了采用对象—关系模型来存储G IS数据后,比较了空间数据的两种导入方式,在此基础上,选用EasyLoader工具将G IS数据导入到Oracle数据库中,再用四元树索引为其建立索引。最后,选择Java作为开发工具,采用JDBC方式与Oracle数据库相连并实现了对G IS数据的查询。
A difficulty of GIS is implementing integrated storing and management of spatial data and attribute data. Oracle Spatial technology is adopted to solve this problem in this paper. After selecting the object-relational model to store GIS data, two kinds of tools used to load GIS data are compared in this paper. On the basis of these, EasyLoader is selected to load GIS data into Oracle database. Quadtree indexing is adopted to create index for GIS data have been loaded into database. Finally, Java is selected as developing tool in this paper. At the same time, the way of JDBC is adopted to link Java with Oracle database and to implement the query for GIS data.
出处
《计算机应用研究》
CSCD
北大核心
2006年第12期278-280,共3页
Application Research of Computers
