新型三维测绘地理信息产品集成建库研究技术  

Research on Database Building of New 3D Mapping Geographic Information Products

作　　者：陈良超[1] 陈光[1] 薛梅[1] CHEN Liangchao;CHEN Guang;XUE Mei(Chongqing Survey Institute, Chongqing 401121, China)

机构地区：[1]重庆市勘测院,重庆401121

出　　处：《地理信息世界》2017年第4期86-91,共6页Geomatics World

基　　金：地理空间信息工程国家测绘地理信息局重点实验室项目(201615);重庆市社会民生科技创新专项(cstc2016shmszx120005);国家自然科学基金项目(41471354)资助

摘　　要：随着测绘技术手段的升级,各类新型三维测绘地理信息产品不断涌现。在推进智慧城市建设的当下,各行业对空间数据资源的应用趋于交叉和协同,对数据服务保障能力提出了更高的要求。本文分析了大规模三维数字城市模型数据内容的复杂性、海量性、精细程度不同等特点,研究提出了新型三维测绘地理信息产品集成建库的技术体系,包括空间格网划分、地理实体编码、数据库设计和数据更新发布机制等,并探讨了三维城市数据库在规划设计、方案审查和建筑运营管理等方面的应用支撑案例。With the upgrading of surveying and mapping technology,various types of new3D mapping geographic information products continue to emerge.In promoting the construction of a smart city,the application of spatial data resources in many industries tends tointersec and collaborte,and the requirements of data service supportting capacity are getting higher.This paper assesses the characteristics of large scale3D digital city model,such as the complexity,mass and the fine degree.Then a new technology system for the integration of3D mapping geographic information products is presented,which includes spatial grid partition,geographic entity coding,database design and data update and release mechanism.Finally,the application of3D city database in planning,design,project review and construction management are discussed.

关 键 词：测绘地理信息 三维数字城市 数据集成 地理实体编码 数据库 

分 类 号：P208[天文地球—地图制图学与地理信息工程]