网络环境下城市公开版电子地图数据更新方法

The Method of City Published Electronic Map Data Updating in Internet

针对目前数据更新的研究落后于数据生产的现状以及广大用户对城市公开版电子地图的现势性的迫切需要,在已有研究成果的基础上,提出了网络环境下城市公开版电子地图数据更新的方法,并分析了数据更新周期的决定因子及其方式和周期,最后用实例加以证明。

In order to resolve the problem of data updating falling behind data producing and to satisfy many users＇ urgent demands of currentness of City Published Electronic Map,we put forward a method of the data updating in Internet on the basis of literature review.Then we analyze the determinants of updating period,and describe the mode and period of data updating.An example is given to prove this data updating method in the end.