基础地理信息系统的空间数据规范与组织结构

Spatial Data Specification and Data Structure of Fundamental Geographic Information System

基础地理信息系统在涵盖内容、数据结构和服务对象上都远远超出了数字地形图 ,它可以同时满足建设用图和地理信息系统 (GIS)用户的需要 ,同时满足GIS用户的共同需要和特殊需要 ,具有丰富的数据提取、可视化输出、质量控制、历史数据保存再现功能 .为了达到上述目的 ,空间要素的规范和结构设计是至关重要的一步 .阐述了对制定空间要素规范的原则、空间要素规范的对象。

Fundamental geographic information system is far beyond pure digital topographic map in the sense of context,data structure and its users.It satisfies the needs of both map users and GIS users,both the common and special requirements for GIS.It covers data extraction,visualization,quality control and transaction.In order to realize the above purposes, the spatial data specification and structure are vital.The principle to layout spatial data specification,the object of spatial data specification and content are mainly described in the paper.