数字城市基础地理数据更新升级技术探讨

摘要

The vitality of basic geographic data lies in its currency and accuracy, this paper uses the existing data to update and upgrade the data, discusses the upgrading principles, methods and technique system of some basic geographic data, and try to provide reference for the basic geography data update work.%基础地理数据的生命力在于其现势性和准确性,本文结合广东省数字城市基础地理数据的更新升级工作,通过分析各类已有数据资料,探讨了基础地理数据的更新原则、方法和技术体系,力争为基础地理数据更新等同类工作提供参考.