【摘要】 当前,我国正在加快城镇化进程,新型智慧城市的建设对城市时空信息基础设施建设提出了更高的要求。为了充分展示我国城市发展现状和满足城市建设需要,新世纪版《国家普通地图集》专门设计和编制了城市图组。城市地图存在资料复杂、内容广泛、形式多样、标准不一、语义不清等问题,项目组采用数据挖掘、深度学习、语义空间匹配、粗差数据发现、数据检核等技术手段,对多元时空数据进行融合及综合处理,同时依据制图综合处理原则与专家经验,结合自动缩编和增量更新技术,生产图幅数据并建立图形数据库。然后采用数据库驱动制图技术,基于图形数据库和符号库实现自动配图,最后通过人工处理少量的协调关系和地图美化,制作完成城市地图。更多还原

【Abstract】 At present,China is speeding up the process of urbanization.The construction of new smart city has put forward higher requirements for the construction of urban spatio-temporal information infrastructure.In order to fully demonstrate the status quo of China’s urban development and to meet the needs of urban construction,the new century version of the National Geomatics Atlas of the People’s Republic of China has designed and compiled the urban map group.The city Maps involve complex data,extensive content,diverse forms,different standards,and unclear semantics.The project group adopts techniques such as data mining,deep learning,semantic space matching,gross difference data discovery,data checking and other technical means to fuse and integrate the multivariate spatiotemporal data.At the same time,according to cartographic generalization principles and expert experience,the project group combined with automatic downsizing and incremental updating technology,produced cartographic data and establish database.They used database driven mapping technology,based on graphical database and symbol library to achieve automatic mapping,and finally through manual processing a small amount of coordination relation and map beautification,completed the compilation of the city maps.更多还原