无缝GIS及其空间数据库的研究

The research and discussion of seamless GIS and seamless spatial database issue

本文讨论了无缝GIS的概念,分析了GIS中数据缝隙产生的原因,阐明了缝隙的类别,提出无缝空间数据库的两层含义,无缝数据库实现的基础及其关键技术。

This article explores the concept of Seamless GIS,analyzes the reasons of gap of spatial data in GIS,clarifies the types of gap,puts forward second-facet meaning of seamless spatial database,explains the practical methods and Key technologies of seamless spatial database.