摘要
空间数据是GIS的核心内容之一,空间数据库的设计与实现直接关系到整个GIS系统的功能和效率。本文讨论了铁路工务地理信息系统中空间数据库的建立方法,实现了空间数据和属性数据的统一存储和管理,可以最大限度地达到铁路工务信息的共享,提高了铁路工务部门日常工作的信息化程度。
Spatial data is the core of GIS.Design and implement of Spatial Database is related to the functions and efficiency of GIS.The paper discuses the functions and methods of GIS of rail_track engineering spatial database,and realizes the storage and managment of spatial data and attribute data.The establishment of the spatial database makes the share of rail_track engineering information to reach farthest,which improves the information-based degree of the daily grind of rail_track engineering department.
出处
《北京测绘》
2010年第4期26-29,共4页
Beijing Surveying and Mapping
