【摘要】 在国土资源信息管理中,为了更好掌握现状,对3维可视化的要求已经成为很多国土信息系统的高端要求,本文论述了3维GIS的数据结构原理、3维空间数据库的建设,并对一个具体工程进行了介绍。更多还原

【Abstract】 3D visualization became the necessary requirement for a lot of territory information system to acquire the current situation in territory resource information management. This paper discussed the data structure principle of 3D GIS. It also introduced the construction of 3D spatial database and made an introduction to a concrete project.更多还原