摘要
分析了城市基础比例尺地形图更新机制和在实践中的应用,探讨了空间地理信息数据建库的标准和数据库更新关键技术,提出了对生产部门建设"数字城市"过程应建立基础数据更新机制的建议。
The updating mechanism of city large scale relief map and how to be used in practice are analyzed, the standard in database building of spacial information and key technology in databse updationg are discussed, and some advices in updating of basic special data which should be built before ＂digital city＂ is given.
出处
《测绘信息与工程》
2008年第4期38-40,共3页
Journal of Geomatics
