基于图层-地图-图集层次结构的电子地图数据组织方法

摘要

提出了一种基于图层-地图-图集层次结构的电子地图数据组织方法 ， 系统地介绍了基于该结构的数据组织管理在电子地图制作与浏览软件EA2000 中的实现。%A hierarchical approach for organizing electronic map data is presente d. In this structure, the layer, map and atlas are used as the basic units to sy stematacially organize the large volume of map data. EA2000 software system, whi ch is based on this structure, is developed to make and browse electronic atlas.