【摘要】 实现GIS数据共享已成为GIS发展的迫切需要.分析了需要数据共享的原因,评述了当前处理数据共享的几个途径.认为实现GIS数据共享的根本途径是制定全球统一的数据格式,辅之以政府的宏观调控和引导.更多还原

【Abstract】 <Abstrcat>It’s an emergency demand to realize the GIS data sharing. The reasons of the needs of data sharing are analyzed in this paper. Several methods are commented which are employed wildly nowadays. To realize the GIS data sharing, the fundamental method is to build a uniform data format in the world. Further more, some macro-regulations and inductions should be given by the governments.更多还原