NSDI的交通运输设施标识标准及其应用

NSDI Transportation Identification Standard and its Application

对NSDI制定的交通设施标识的背景和标准进行了介绍 ,在结合我国GIS的应用中 ,利用对象分析的方法 ,提出了公路立交的GIS模型和空间数据结构 ,进行了相应的研究和应用 ,并对我国GIS -T的发展提出了几点建议。

In this paper, the background and standard of NSDI Transportation Identification are introduced . Combined with application of GIS-T in our country, the authors study GIS model and spatial data structure of highway interchange using object analysis method, and apply them to the GIS-T system . At last, several proposals for GIS-T development in our country are advised.