在宏观层面，地形级实景三维实现大场景三维数字映射，5米、10米格网等系列产品覆盖全国陆地国 土，1:1万数据覆盖70%陆地国土。在中观层面，城市级实景三维对城市三维空间进行数字映射，300余 个地级以上城市完成LOD1.3三维模型生产，67个城市开展智慧城市时空大数据平台建设试点，助推城 市全域数字化转型。搭建了100多种应用场景，涵盖灾害防治、智慧交通、智慧文旅等，为经济社会发 展、百姓日常生活、数字生态文明建设和智慧城市发展提供有力支撑。 三是加强全球地理信息共享应用，为构建人类命运共同体贡献中国力量。自然资源部坚持向国际社会共 享资源，为发展中国家提供数据和技术援助，支撑中国—东盟、中非卫星遥感应用合作中心，助力联合 国全球地理信息知识与创新中心在华设立和运行等。先后向联合国捐赠三版全球30米地表覆盖产品，已 在联合国相关机构、130多个国家和地区、400多个研究机构以及570多所大学应用，为应对全球变化、 维和行动、航运安全等作出重要贡献。 四是改进测绘行业管理，不断优化营商环境。自然资源部积极推进行政审批改革，优化工程建设项目审 批管理。完成测绘资质改革，修订印发《测绘资质管理办法》和资质分类分级标 ...

会上，湖南省自然资源厅副厅长宋琤介绍称，在自然资源部指导下，湖南以"实景三维张家界"建设为抓 手，推动数字技术与文旅深度融合，凸显科技赋能的核心价值，服务首届全省旅发大会，助力张家界实 现"办会兴城"。 具体来看，以实景三维为核心，打造了一站式智慧文旅平台，推动旅游从"走马观花"向"量身定制"转 变。游客扫码即可"一键查询"山水、夜景、展览，VR导游系统让解说融入场景。平台结合"红色文 化""夜经济"等特色IP，为游客提供个性化深度体验方案。带动2023年全市接待游客达4200万人次，同 比增长105.3%，乡村旅游增长达12倍。 会上，广东省自然资源厅副厅长朱国鸣表示，"十四五"期间，在自然资源部的指导下，广东创新发展数 智化测绘体系，探索出以"时空智能"支撑新业态的路径。"我们充分整合了北斗卫星、遥感卫星、无人 机测绘、激光雷达等多种技术，打通技术全链条，系统性打造'时空智能'能力集群，推动传统测绘向数 智化测绘转型升级。" 具体来看，在导航定位方面，建成北斗高精度定位服务，以共建共享模式整合全省324座北斗基准站， 融入全国"一张网"，为低空飞行和智能网联汽车提供实时精准的导航定位服务；在数据采集方面， ...

该项目聚焦长沙、株洲、湘潭三市4300平方公里核心区域，由湖南省第一测绘院牵头，联合多家单 位历时6个月完成。项目深度融合实景三维与低空经济需求，创新成果丰硕，形成三大核心能力：一是 三维立体"透视眼"，研发了低空空域三维避障图，通过网格化分层管理，为飞行器提供3D可视化安全 通道指引；二是智能调度"最强大脑"，开发了三维数字化低空空域数据管理工具，集成路径规划、冲突 检测、仿真模拟等功能，支持多飞行器协同调度与应急响应；三是信号传输"安全通道"，研制了基于广 播通信的CORS差分数据播发系统，通过FM广播信号传输北斗差分定位数据，有效解决3000米以下低 空信号覆盖弱的难题。 作为全国首个面向低空经济高质量发展领域的测绘地理信息创新发展先行区，湖南自2022年起全面 推进实景三维建设，目前已建成覆盖全省21.18万平方公里的地形级实景三维，并构建了长株潭绿心、 洞庭湖等重点区域三维模型，依托实景三维技术赋能低空飞行安全与效率，成为培育新质生产力的有力 抓手。（王丽容 陈磊） 本报讯 近日，湖南省自然资源厅组织专家对实景三维中国先行区湖南建设项目进行评审，项目顺 利通过验收。这标志着湖南在实景三维支撑低空经济 ...

近日，2025年度优秀测绘地理信息工程奖评选结果公布。山东省地矿六队两项成果"威海市时空大数据 建设项目A包""威海市无人机实时视频融合项目"分别获评一、二等奖。 此次获奖的两项成果，涵盖测绘航空摄影、地理信息系统两大核心类别，"威海市时空大数据建设项目 A包"紧扣"实景三维山东"建设，强化测绘地理信息资源保障，为威海"精致城市"建设提供关键数据支撑 与技术赋能；"威海市无人机实时视频融合项目"充分运用大数据、实景三维等新一代信息技术，为突发 事件快速处置提供了多源地理信息数据和可视化平台支撑。两项成果积极运用新技术、新方法，为当地 自然资源管理、应急测绘保障等领域提供高质量时空信息服务，将加快推进测绘地理信息产业转型升 级，有效服务于政府决策和公众需求。 作为山东省测绘地理信息领域的权威奖项之一，该评选从项目技术、组织管理、成果质量、综合效益和 工程规模等五个维度进行综合评价。此次获奖是对六队技术实力与工作成果的充分肯定。下一步，六队 将以此次获奖为契机，持续深化技术创新与成果转化，重点聚焦实景三维、智能测绘、时空大数据等前 沿领域，全力突破关键技术瓶颈，为地方经济社会高质量发展提供坚强技术保障。 ...

Core Insights - The Ministry of Natural Resources and the National Bureau of Statistics jointly released a list of exemplary cases for high-quality development innovation applications empowered by real-scene 3D technology, with the "Real-Scene 3D Empowerment of International Seabed Geographic Entity Naming" case recommended by the National Marine Information Center being included [1][2]. Group 1: Technological Applications - The application of real-scene 3D technology allows for the visualization of seabed geographic entities such as seamounts, ridges, and canyons, enhancing the scientific accuracy of identifying these entities [1]. - A rapid extraction and classification method for seabed geographic entities has been developed, enabling automated identification and scientific calculation of key parameters like shape, scale, and slope [2]. Group 2: Management and Standardization - A semantic attribute collection for seabed geographic entities has been established, creating a coding system that integrates individual entities with their groups, facilitating a smart management model [2]. - The case has led to the standardization of seabed geographic name proposals, improving the acceptance rate of these proposals in international reviews, particularly in disputed maritime areas [2][3]. Group 3: Institutional Role - The National Marine Information Center has been responsible for leading domestic seabed name proposal compilation and technical review since 2010, having submitted 283 seabed name proposals to the international seabed name registry [3]. - Future applications of real-scene 3D technology will focus on constructing a comprehensive marine scene, enhancing the effectiveness of marine spatial geographic data in supporting high-quality marine economic development [3].

Core Insights - The Ministry of Natural Resources and the National Bureau of Statistics jointly released a list of typical cases for the application of 3D real-scene data to empower high-quality development by 2025, with Nanjing's case on low-altitude economy being the only one selected from the city [1] Group 1: Project Overview - The project titled "3D Real-Scene Supporting Nanjing's Low-Altitude Economy Industry Construction" was successfully included in the national list, providing a "Nanjing solution" for the safe and intelligent development of the low-altitude economy [1] - The Nanjing Low Altitude Service Management Platform features a 1:1 scale "city map" in a digital space, allowing for precise measurement of various geographical information and facilitating airspace supervision and route planning [1][2] Group 2: Technological Implementation - By the end of last year, the 3D real-scene construction covered an area of 51.22 square kilometers in the built-up area of the Pukou District, enhancing the information landscape for low-altitude economy [2] - The project utilizes high-precision measurement cameras and SLAM (Simultaneous Localization and Mapping) technology to create a digital foundation for "3D real-scene + airspace information digitization" [2] Group 3: Operational Achievements - Pukou District has opened 4 drone-friendly airspaces covering an area of 630 square kilometers, accounting for approximately 30% of the city's total [2] - The project has successfully developed over 20 unique scenarios for low-altitude applications, including cross-river logistics and blood transportation, with flight efficiency improvements of 50% for blood transport and 80% for cross-river logistics compared to traditional methods [3]

Core Insights - The article discusses the launch of the 2025 real-world 3D data initiative in Liaoning Province, aimed at enhancing high-quality development through innovative applications across various sectors [1][2] - Eight typical cases have been identified, covering areas such as firefighting, ecological governance, flood prevention, geological disaster prevention, forest fire management, open-pit mining management, and marine supervision [1] Geographic Data Acquisition - A total of 148,000 square kilometers of land in Liaoning has been mapped using satellite imagery, providing essential data support for natural resource management, ecological monitoring, and urban planning [1] - The foundational geographic data can serve as a base map for digital economic development in urban areas [1] Urban-Level Data Acquisition - Detailed 3D maps have been created for 14 cities in Liaoning, covering approximately 4,841 square kilometers, showcasing urban structures and surface details [1] - This data is crucial for urban planning, construction, and management, facilitating the development of smart applications like smart transportation and smart city management [1] Component-Level Data Acquisition - A "super-clear digital road" has been constructed in Shenyang, spanning 20.17 kilometers, which accurately represents over 70,000 important road components [1] - This data can assist in the development of smart transportation systems, such as optimizing traffic signal timing and guiding autonomous vehicles [1] Future Development Plans - The initiative, started in 2023, has already developed approximately 680,000 square kilometers of varying levels of 3D data, providing a unified spatial foundation for the digital transformation of Liaoning [2] - The provincial authorities plan to expand the application of real-world 3D data across more industries, adhering to principles of data-centricity, application focus, innovation, and safety [2]

Group 1 - The provincial Natural Resources Department and Data Bureau have released typical cases of 3D real-scene data applications for high-quality development by 2025, covering various fields such as firefighting, ecological governance, flood prevention, geological disaster prevention, forest fire prevention, open-pit mining management, and marine supervision [1][2] - The 3D real-scene data reflects and expresses the production, life, and ecological space in a realistic, three-dimensional, and temporal manner, serving as a digital foundation for cultivating new productive forces [1] - As of 2023, approximately 680,000 square kilometers of 3D real-scene data at different levels of detail have been constructed in the province, providing a unified temporal and spatial foundation for the digital construction of Liaoning [1] Group 2 - In the terrain-level data acquisition area, satellite images covering 148,000 square kilometers of land have been completed, providing essential data support for natural resource management, ecological environment monitoring, and urban planning [1] - In the urban-level data acquisition area, a detailed 3D map of built-up areas in 14 cities has been created, covering approximately 4,841 square kilometers, offering precise spatial information for urban planning and management [1] - The province has successfully constructed a "super-clear digital road" in Shenyang, with a total length of 20.17 kilometers, showcasing over 70,000 important road components in 3D, which aids in smart traffic construction [2] Group 3 - The Natural Resources Department aims to promote the application of 3D real-scene data across more industries, adhering to principles of "data supremacy, application-oriented, innovation-driven, and safety-first" [2] - The ongoing development of the 3D digital foundation for Liaoning is expected to support the province's digital transformation and empower high-quality development by providing essential data elements [2]

Core Insights - The Ministry of Natural Resources' First Aerogeophysical Remote Sensing Institute has been advancing the application of "AI + LiDAR point cloud" technology in the production of realistic 3D data, significantly enhancing production efficiency in 3D projects [1][2] Group 1: Technology Development - The integration of AI with airborne LiDAR point cloud technology has enabled automatic fine classification of data, enhancing the automation and intelligence of LiDAR data production [2][3] - The technology allows for precise identification of various objects such as vehicles, vegetation, buildings, and overhead pipelines, improving classification accuracy compared to traditional software [3] Group 2: Project Implementation - The institute has undertaken 3D data production tasks at various scales, contributing to the establishment and continuous updating of a multi-scale, multi-type spatial geographic information database [1][3] - Recent training sessions were organized to share the AI-based LiDAR point cloud classification technology with relevant personnel from the Shaanxi Surveying and Mapping Geographic Information Bureau, promoting efficiency in 3D project data production [3] Group 3: Strategic Focus - The institute is committed to incorporating AI technology research into its overall development strategy, focusing on enhancing production efficiency, quality, and management effectiveness [4] - Future efforts will concentrate on multi-modal data fusion and intelligent analysis to improve the automation and intelligence of data resource management [4]

Core Viewpoint - The construction of a realistic three-dimensional (3D) platform in Qingdao is a significant step towards accelerating the digital and green transformation of urban management and spatial information application [1][2]. Group 1: Construction and Implementation - The realistic 3D platform covers an area of 11,000 square kilometers of land, 800 kilometers of coastline, 49 bays, and 7 inhabited islands in Qingdao, providing spatial information support for refined urban management [1][3]. - The project was initiated in March 2021, following the issuance of implementation opinions in July 2020, with the goal of building a 3D spatial baseline and a realistic 3D model base map [2][3]. - The data collection involved over six months of aerial photography, storing millions of images, and modeling tens of thousands of buildings, utilizing a fixed-wing manned aircraft equipped with a 150-megapixel camera [2][3]. Group 2: Applications and Benefits - The platform aids in disaster prevention and urban management, exemplified by its use in real-time forest fire drills, where it provides a visual command system for emergency management [4][5]. - The realistic 3D results have been shared with over 60 departments, supporting more than 100 key tasks, including disaster reduction, land planning, and urban renewal, with nearly 100 million applications annually [5]. - Compared to traditional 2D maps, the realistic 3D platform offers significant advantages in realism, multi-dimensionality, and precision, establishing a holographic representation of the real world for urban management [5]. Group 3: Continuous Improvement and Standards - The Qingdao Natural Resources and Planning Bureau conducts annual updates of the realistic 3D data to accurately reflect urban changes and provide valuable analytical data [6][7]. - In 2023, local standards for the construction of the realistic 3D platform were established, covering requirements for data collection, quality inspection, and application services, filling a gap in the field [7]. - The establishment of local standards enhances the supply capacity of geographic information resources, supporting the development of digital cities and economies in Qingdao [7].