摘要
介绍海量数据组织与高效检索技术、远程镜像交换技术、空间数据库增量更新技术和多源数据动态投影叠加分析技术在第二次土地调查农村土地利用市级数据库建设中的应用,解决数据库管理系统的数据静态量大,网络的二次调查成果数据库集成与不同投影带的矢量和栅格数据通过动态投影技术即数据并不真正进行投影转换,就可将数据动态地投影到合适的坐标系下等问题。
The paper introduces the application of massive data organization and the technology of efficient retrieval, remote mirroring switching, incremental updating of spatial database and dynamic projection and superposition analysis of multi--source data to municipal database construction for the second rural land use survey, which has solved the problem of mass static data in management system and achieved the data dynamic projection to a appropriate coordinate system by hydraulic projection technology without projection transformation on the network database integration of the second survey results and the vector and raster data from different projection zone,
出处
《江西煤炭科技》
2013年第4期148-150,共3页
Jiangxi Coal Science & Technology
关键词
数据库建设
海量数据
关键技术
应用
database construction
mass data
key technology
application
