基于Web的三维GIS的设计与实现::本文通过分析当前GIS 存在的问题和不足,采用MapXtreme 作为网络化实现方法,用IDL(交互式数据语言)作为三维GIS 的实现技术,提出了一套完整的基于Web 的三维GIS 的解决方案,能满足GIS 领域的最新需求。 关键词: GIS;Web;MapXtreme;IDL;三维 Abstract:In this paper, we discussed the problems and deficiency in the current GIS, then we using MapXtreme for the implementation of networking, and IDL for the implementation of 3D GIS, suggested A complete set of solutions for Web-Based 3D GIS and it can meet the updated requirements of the GIS field. Key words: GIS;Web;MapXtreme;IDL;3D