摘要
介绍数字测图的发展,分析了野外数字测图与GIS建库的矛盾,给出一种面向GIS的数字测图模式,对该模式下数字测图系统关键性的技术问题——分层和编码、图形符号库建立、数据交换格式等进行了研究.
The development of digital mapping system is introduced;the difference of digital mapping and establishment of GIS database is analysed.The model of GIS-oriented digital mapping is offered,and several key technical problems,such as layering and coding,the establishment of symbols and the data exchange format are researched.
出处
《北京建筑工程学院学报》
2008年第1期26-29,共4页
Journal of Beijing Institute of Civil Engineering and Architecture
