土地调查中地理信息数据库的研究和设计

根据安徽省的实际情况，设计和实现了分级的地理信息数据库GIS，简单易用、功能良好。该系统不仅可以对地理信息中的空间数据和矢量数据进行前期处理，而且可以对后台数据库进行高速的访问和更新，在安徽省土地调查过程中发挥了重要的作用，成为科学规划土地利用和城市发展的眼睛和大脑。

Research and Design of Geographic Information Database in Land Survey

The design of hierarchical geographic information database in this paper is easy to use, with good function geographic information systems according to the current situation of Anhui province. The system can not only use geographic information in spatial data and vector data for pre-processing, and highspeed back-end database can access and update. And it played an more and more important role in land survey in Auhui province,becoming the eye and brain of the government to good planning of land use and urban development.