三维位置定义(3D-LD)系统模型研究  

Study of three dimensional location definition(3D-LD) system

作　　者：马丰宁[1] 雷鑫[1] 高宏 

机构地区：[1]天津大学管理学院,天津300072

出　　处：《计算机工程与应用》2008年第21期41-45,51,共6页Computer Engineering and Applications

基　　金：天津中小企业创新基金( the Project Approval Certificate of Innovation Fund for Small and Medium Technology Based Firms; No.06zhcxc11600);国家科技型中小企业技术创新基金( Innovation Fund For Technology Based Firms; No.07c26211200097);天津市科技计划项目( No.08ZCKFGX01700)

摘　　要：对以建筑物为三维背景空间的物体对象的3维位置定义(3D-LD)管理进行了深入分析,研究了3D-LD数据特征,分析了3D-LD关键要素模型的生成方法,给出了3D-LD三维场景的两种组织方式,并最终给出适合当前软件编程技术的系统实现方法。This paper focuses on analyzing the three dimensional location definition （3D-LD） of a object,which sets buildings as its three dimensional background.This essay aims to study the characteristics of 3D-LD.Meanwhile,it mainly discusses on the ba- sic structure of 3D-LD,analyzes the method of making the major 3D-LD module,gives the method of organization of three dimensional.Also,it offers an appropriate software programming technology solution to 3D-LD system.

关 键 词：3维位置定义(3D—LD) 空间数据 地理信息系统 管理信息系统 

分 类 号：TP392[自动化与计算机技术—计算机应用技术]