城市三维地层信息系统的提出与思考

Theory and Reflection of 3D-Strata Information System

根据城市建设的实际情况，阐述了建立三维地层信息系统的意义，并针对当前地理信息系统发展的状况，提出了建立城市三维地层信息系统的思路．

By analyzing the present situation of the construction in cities,this paper discusses the importance of es- tablishing a 3D - strata information system.Based on the development of geographical information system,we present the theory of the establishment of 3D - strata information system in cities.