天津市城市地下空间数据字典的研究与编制  

The Compilation and Research of Tianjin Urban Underground Space Building and Structure Data Dictionary

作　　者：徐洪秀[1] 孙立志[1] Xu Hongxiu;Sun Lizhi(Tianjin Institute of Surveying and Mapping,Tianjin 300381,China)

机构地区：[1]天津市测绘院,天津300381

出　　处：《城市勘测》2020年第6期10-13,共4页Urban Geotechnical Investigation & Surveying

基　　金：天津市测绘院科研项目(Y-2019-01)。

摘　　要：分析了天津市城市地下空间﹝建(构)筑物﹞数据字典的研究背景、目的、意义和研究现状,结合天津市地下空间设施的实际情况和现状分析,提出了数据字典编制的分类分层、编码、符号、注记、属性、空间关系、三维表达等主要技术规定,并通过为每个要素配置制图表示、采集要求、几何表示及属性信息来对数据字典进行编制,以此为天津市城市地下空间数据规范化和科学化提供依据。This paper analyzes the research background,purpose,significance and current situation of Tianjin urban underground space building and structure data dictionary.Combined with the actual situation and current situation analysis of Tianjin underground space facilities,it puts forward the main technical regulations of data dictionary compilation,such as classification,coding,symbol,annotation,attribute,spatial relationship,three-dimensional expression,and so on.In order to provide the basis for the standardization and scientization of the urban underground space data in Tianjin,the data dictionary is compiled by using the representation of prime configuration drawing,the collection requirements,the geometric representation and the attribute information.

关 键 词：城市地下空间 地下建(构)筑物 数据字典 数据标准 

分 类 号：P208.1[天文地球—地图制图学与地理信息工程] P201[天文地球—测绘科学与技术]