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传统地下管线数据库多采用二维+三维的形式组织,二维管线数据通过空间数据引擎存储在文件或关系型数据库中,三维管线数据则多以文件型进行存储,应用时通过SDK接口关联ID实现二三维联动、分析,并不能真正做到二三维一体化。本文在充分分析管线二三维一体化数据、应用需求的基础上,基于地图符号化思想,研究出一套适合城市地下管线二三维一体化存储、更新、展示、应用的数据库设计,为城市地下管线数据库建设提供参考。
The traditional underground pipeline database is mostly organized in two-dimensional and three-dimensional forms. The two-dimensional pipeline data is stored in a file or relational database through a spatial data engine. The three-dimensional pipeline data is mostly stored in a file type. When the application is implemented through an SDK interface, Two-dimensional linkage, analysis, and can not really achieve two-dimensional integration. Based on the full analysis of 2D and 3D integrated pipeline data and application requirements, based on the idea of map symbolization, this paper develops a set of database design which is suitable for integrated storage, update, display and application of 2D and 3D underground pipelines in cities. Database construction for reference.