智慧城市实景三维时空大数据解决方案
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一、项目背景智慧城市建设是以为民服务全程全时、城市治理高效有序、数据开放共融共 享、经济发展绿色开源、网络空间信息安全为主要目标， 通过体系规划、信息主 导、改革创新， 推进新一代信息技术与城市现代化深度融合、迭代演进，实现国 家与城市协调发展的新生态。智慧城市本质上是要体现以人为本、改善民生的宗 旨。通过提升信息化基础设施， 推进智慧政务、平安城市、智慧医疗、智慧教育、 智慧交通等各领域智慧化工程建设， 改善治理方式、加强社会建设、改善人民生 活，促进经济发展和产业转型升级，打造“互联网+”新业态，实现城市智慧式 管理和运行， 进而为城市中的人创造更美好的生活， 促进城市的和谐、可持续成长。在新形势下， 区将按照国家提出的新型智慧城市的建设要求， 围绕无处不在 的惠民服务、透明高效的在线政府、精细精准的城市治理、融合创新的信息经济、 自主可控的安全体系五大要素， 以提升城市治理和服务水平为目标， 以为人民服 务为核心， 以推动新一代信息技术与城市治理和公共服务深度融合为途径， 注重 城乡一体， 打破信息藩篱， 分级分类、标杆引领、标准统筹、改革创新、安全护航。二、建设目标与任务2.1 目标根据区对社会管理、经济发展的精细化管理要求， 为了实现区不同领域信息 资源智能管理、资源统一展现的目标， 本项目利用地理信息系统、摄影测量与遥 感、移动互联网、云计算等技术， 建设统一的时空大数据云平台数据库和统一的 时空大数据云平台，实现统一的地图平台、统一的地图接口、统一的地图工具、 统一的地图服务， 并以数字底图的方式将具体的实景和抽象的管理进行统一结合， 为区政府决策、市民服务及业务管理应用提供统一的空间数据支撑， 促进区智慧城市建设、规划和数字化管理应用。2.2 建设意义（1）实现数据共享，避免重复建设、重复投资，节约公共财政资源通过智慧 LH 实景三维时空大数据云平台的建设， 形成唯一的、权威的、通 用的实景三维时空大数据云平台，可以让不同部门拥有的地理信息资源按照统一 的标准进行改造， 通过分布式和集中式的方式， 实现数据的交换、共享、集成以 及应用。通过智慧 LH 实景三维时空大数据云平台的建设，从而避免重复测绘、重复建设、重复投入等问题，对建设资源节约型社会具有十分重要的意义。（2）迅速提升信息化建设水平随着智慧 LH 实景三维时空大数据云平台的建设与完善， 会有越来越多的多 尺度、多类型和多时相的城市综合信息在上面发布和共享， 也会有越来越多的各 类应用系统利用其中的资源为政府、企业和社会公众提供服务。通过对城市资源、 环境、人口、经济、社会等复杂系统智慧化、网络化、虚拟仿真、优化决策支持 和可视化表现， 为城市规划、城市建设、城市管理与服务提供全新的决策和调控 技术手段， 提高政府决策的科学性和规范性， 提高城市建设的时效性、城市管理 的有效性， 增强城市综合实力， 改善城市生活质量， 促进经济可持续发展，最终实现信息化进程。（3）有助于提高政府管理和决策水平智慧 LH 实景三维时空大数据云平台建设项目的实施， 不仅可以整合和挖掘 各种信息资源， 建成“信息内容丰富、更新维护及时、共享交换便捷”的实景三 维时空大数据云平台，还能够为国土、规划、公安、民政、交通、水利、住建、 农业和林业等政府部门提供科学、准确、及时的地理空间信息服务。通过政务网， 各部门可以方便地查询到土地利用现状、城市规划、城市交通、治安状况、水资 源、矿产资源和房地产等诸多信息。同时， 基于实景三维时空大数据云平台，各 部门可以建立各自的应用系统， 为政府科学管理、城市发展与规划、应急决策和响应提供服务，提高政府管理和决策水平。（4）在供给侧和需求侧两端发力，促进 LH 产业迈向中高端随着计算机、互联网等信息技术的发展， LH 现存的数字信息化所供给的产 品已经满足不了城市发展的需求， 这就需要从供给端入手， 通过新兴技术等手段 提升产品质量满足现有的需求。而数字 LH 到智慧 LH 的转型升级就能使生活供 给、市场供给变得更便捷更有效。智慧LH 建设以第四代移动互联网技术为依托， 推进互联网、物联网、广电网的“三网融合”；以实景三维时空大数据云平台技 术为支撑， 建立面向重点行业的信息数据中心， 促进数据信息产业发展， 以及与 智慧 LH 相配套的系统应用软件、行业应用软件、集成电路、嵌入式软件以及动漫新媒体等。智慧 LH 建设将为“供给侧改革”提供强大动力。2.3 建设内容以时空大数据云平台项目的总体目标为指导， 建立时空大数据云平台数据库， 搭建二三维实景地图系统基础平台， 提供数字底图服务、通用工具及二次开发接 口等功能， 通过建设三维综合展示系统等应用， 引领政府各部门基于二三维实景地图开展行业深度应用。项目主要包含 4 个方面的建设内容。（1）标准规范建设建成一套涵盖二三维数据建设和软件应用的标准管理规范体系， 包括数据整 理、整合、建库、数据产品的标准规范； 平台及服务相关的数据交换、数据服务、 应用服务接口、平台接口、服务应用的标准规范, 建立符合面向智慧智慧城市建设需要的项目管理运营的管理体制与机制标准规范（2）实景地图服务平台建设全区统一的实景三维时空大数据云平台，并基于云平台搭建时空数据云 平台， 提供统一的应用工具及接口， 包含数据更新、地图访问、权限控制和操作日志管理等功能。（3）真三维实景地图数据库、专题数据库建设全区统一的数字底图数据库， 包含控制点数据库、实景三维影像公共基 础数据库、矢量数据库、专题数据库、兴趣点数据以及元数据库，并建立数据更新与数据质量保障机制。（4）二三维综合展示应用基于时空大数据云平台和时空数据数据库，根据实际业务需要开展三维综合展示系统业务专题等应用，同时为各业务单位开展深度应用提供基础地图平台。
I. Project Background The construction of smart cities aims at providing full-time and all-round people-oriented services, efficient and orderly urban governance, open and shared data integration, green and open economic development, and cybersecurity in cyberspace. Through systematic planning, information-oriented guidance, and reform and innovation, it promotes the in-depth integration and iterative evolution of new-generation information technologies and urban modernization, so as to create a new ecosystem for the coordinated development of the country and cities. The essence of smart cities is to embody the purpose of people-centeredness and improving people's livelihoods. By upgrading information infrastructure, advancing the construction of smart projects in various fields such as smart government affairs, safe cities, smart healthcare, smart education, and smart transportation, we can improve governance methods, strengthen social construction, enhance people's living standards, promote economic development and industrial transformation and upgrading, create new forms of "Internet Plus", realize intelligent management and operation of cities, thereby creating a better life for people in cities, and promoting harmonious and sustainable urban development. Under the new situation, the district will follow the construction requirements of new-type smart cities put forward by the state, focus on the five major elements of ubiquitous people-friendly services, transparent and efficient online government, precise and fine urban governance, integrated and innovative information economy, and independently controllable security system. With the goal of improving urban governance and service levels, taking people's services as the core, and taking the in-depth integration of new-generation information technologies with urban governance and public services as the approach, it will pay attention to urban-rural integration, break down information barriers, and carry out work in a classified manner, with benchmark guidance, standard overall planning, reform and innovation, and security escort. II. Construction Objectives and Tasks 2.1 Objectives In accordance with the requirements of refined management of social management and economic development in the district, and to achieve the goals of intelligent management of information resources and unified display of resources in different fields of the district, this project adopts technologies such as Geographic Information System (GIS), Photogrammetry and Remote Sensing, mobile Internet, and cloud computing to build a unified spatiotemporal big data cloud platform database and a unified spatiotemporal big data cloud platform. It realizes unified map platform, unified map interface, unified map tools, and unified map services, and combines specific real scenes and abstract management in a unified way through digital base maps. It provides unified spatial data support for district government decision-making, citizen services, and business management applications, and promotes the construction, planning, and digital management applications of smart cities in the district. 2.2 Construction Significance (1) Achieve data sharing, avoid repeated construction and repeated investment, and save public financial resources Through the construction of the Wisdom LH real-scene 3D spatiotemporal big data cloud platform, a unique, authoritative, and universal real-scene 3D spatiotemporal big data cloud platform will be formed, allowing geographic information resources owned by different departments to be transformed according to unified standards, and realizing data exchange, sharing, integration, and application through distributed and centralized methods. The construction of the Wisdom LH real-scene 3D spatiotemporal big data cloud platform can avoid problems such as repeated surveying and mapping, repeated construction, and repeated investment, which is of great significance for building a resource-conserving society. (2) Rapidly improve the level of informatization construction With the construction and improvement of the Wisdom LH real-scene 3D spatiotemporal big data cloud platform, more and more multi-scale, multi-type, and multi-temporal urban comprehensive information will be released and shared on it, and more and more various application systems will use its resources to provide services for governments, enterprises, and the public. Through the intelligentization, networking, virtual simulation, optimized decision support, and visualization of complex systems such as urban resources, environment, population, economy, and society, it provides new decision-making and regulation technical means for urban planning, urban construction, urban management and services, improves the scientificity and standardization of government decision-making, enhances the timeliness of urban construction, the effectiveness of urban management, strengthens the comprehensive strength of the city, improves the quality of urban life, promotes sustainable economic development, and finally realizes the informatization process. (3) Help improve government management and decision-making levels The implementation of the Wisdom LH real-scene 3D spatiotemporal big data cloud platform construction project can not only integrate and excavate various information resources, and build a real-scene 3D spatiotemporal big data cloud platform with "rich information content, timely update and maintenance, and convenient sharing and exchange", but also provide scientific, accurate, and timely geospatial information services for government departments such as land, planning, public security, civil affairs, transportation, water conservancy, housing and urban-rural development, agriculture, and forestry. Through the government network, various departments can conveniently query a lot of information such as land use status, urban planning, urban transportation, public security situation, water resources, mineral resources, and real estate. At the same time, based on the real-scene 3D spatiotemporal big data cloud platform, various departments can establish their own application systems to provide services for government scientific management, urban development and planning, emergency decision-making and response, and improve government management and decision-making levels. (4) Strengthen both the supply side and the demand side to promote the upgrading of the LH industry to the mid-to-high end With the development of information technologies such as computers and the Internet, the products supplied by the existing digital informatization of LH can no longer meet the needs of urban development. It is necessary to start from the supply side and improve product quality through emerging technologies and other means to meet existing needs. The transformation and upgrading from digital LH to Wisdom LH can make life supply and market supply more convenient and effective. The construction of Wisdom LH relies on the fourth-generation mobile Internet technology to promote the "Three-Network Integration" of the Internet, the Internet of Things, and the radio and television network; supported by real-scene 3D spatiotemporal big data cloud platform technology, it establishes information data centers for key industries, promotes the development of the data information industry, and supporting system software, industry application software, integrated circuits, embedded software, animation and new media, etc. that match Wisdom LH. The construction of Wisdom LH will provide a strong impetus for "supply-side reform". 2.3 Construction Content Guided by the overall objectives of the spatiotemporal big data cloud platform project, establish the spatiotemporal big data cloud platform database, build the basic platform of the 2D/3D real-scene map system, provide functions such as digital base map services, general tools, and secondary development interfaces, and guide government departments to carry out in-depth industry applications based on 2D/3D real-scene maps through the construction of applications such as the 3D comprehensive display system. The project mainly includes four aspects of construction content: (1) Standard specification construction Build a set of standard management specification systems covering 2D/3D data construction and software applications, including standard specifications for data sorting, integration, database construction, and data products; standard specifications for data exchange, data services, application service interfaces, platform interfaces, and service applications related to platforms and services; establish management system and mechanism standard specifications for project management and operation that meet the needs of smart city construction. (2) Real-scene map service platform construction Build a unified real-scene 3D spatiotemporal big data cloud platform for the whole district, and build a spatiotemporal data cloud platform based on the cloud platform, providing unified application tools and interfaces, including functions such as data update, map access, permission control, and operation log management. (3) Real-scene 3D map database and thematic database construction Build a unified digital base map database for the whole district, including control point database, real-scene 3D image public basic database, vector database, thematic database, point of interest data, and metadata database, and establish a data update and data quality assurance mechanism. (4) 2D/3D comprehensive display application Based on the spatiotemporal big data cloud platform and the spatiotemporal data database, carry out applications such as 3D comprehensive display system business themes according to actual business needs, and at the same time provide a basic map platform for various business units to carry out in-depth applications.
