【摘要】 结合实际应用,以实现某区间无级比例尺地图制图为出发点,研究了多尺度空间地图数据库的建立和维护更新方法,开发了基于多尺度空间地图数据库制作区间无级比例尺地图的地图制图系统。更多还原

【Abstract】 Combined with practical applications,for the purpose of realization of domain stepless scale cartographic,the paper studied establishment,maintenance and updating methods of multi-scale spatial database.Based on the multi-scale spatial database,this paper developed a domain stepless scale cartographic system.更多还原