摘要
地理国情普查提出构建"道路网专题数据库",但目前还没有针对国情普查道路网络模型相关研究。本文根据地理国情普查道路数据采集技术规范,基于前期汇交的试点数据,提出了地理国情普查道路网的概念模型和逻辑模型;并利用Oracle Spatial NDM网络数据模型,对地理国情普查道路网进行了物理设计;初步分析了道路网构建的方法和步骤,分别利用NDM函数和ArcGIS网络分析工具对道路网数据进行应用分析验证。研究表明,利用Oracle Spatial NDM能满足地理国情普查道路网的存储与应用需求;同时,NDM的开放性也能满足其他GIS平台的应用扩展。
The project National Geographic Conditions Census（NGCC）was proposed to construct Road Network Thematic Database,but there was no research for NGCC road network data modeling.According to the technical specifications of road data collection,the conceptual and physical models of NGCC road network were put forward based on the concurrent pilot data in the paper.And the physical design was carried out using Oracle Spatial NDM.The methods and steps of building the road network were preliminarily analysed,and the application was verified by adopting NDM functions and ArcGIS Network Analysis Tools respectively.The study showed that database construction using Oracle Spatial NDM could meet the demands on storage and application of NGCC road network,meanwhile the openness of NDM could extend other GIS platform as well.
出处
《测绘科学》
CSCD
北大核心
2014年第5期27-31,共5页
Science of Surveying and Mapping
基金
国家科技支撑项目(2012BAJ05B02)
