【摘要】 介绍灌区网格GIS系统框架和功能 ,包括灌区信息标准、规范与共享 ;空间数据库群和业务数据库集成管理 ;灌区网格GIS系统主要功能等方面的内容。在系统中 ,数据库群之间的集成依靠虚拟数据库技术和联邦数据库技术 ,系统功能主要有信息查询、统计、空间分析 ,以及用于制定灌区规划更多还原

【Abstract】 The system frame and functions of Grid GIS are introduced, which include irrigation district information standard, specification and sharing; spatial database group and portfolio database group integration management; and the major functions of irrigation district Grid GIS system. The integration of database groups of system depends on dummy database technique and federation database technique. The main functions of the system are information query, statistics, spatial analysis and making planning for irrigation district.更多还原