在陕西省测绘地理信息局的指挥大厅，巨大的弧形屏幕上，黄河陕西段蜿蜒的走势、两岸的地质构 成、重点区域的实时画面等清晰呈现。 目前，平台已系统整合了全域高精度实景三维数据、生态资源数据、经济社会数据及各类业务管理 数据，构建起覆盖省、市、县、乡四级的流域"一张图"，平台门户系统目前已有领导小组成员及省、 市、县三级100多个单位240余位工作人员注册。这一数字底座的价值正全面释放—— 在河道监测中，借助地形级实景三维数据实现全域分析，精准计算河道演变态势，为河道治理提供 科学依据； 在生态警示问题监测中，通过多期高精度倾斜模型与问题图斑、管理数据的空间综合分析，实现实 时精确掌握问题线索； 在河湖"四乱"、流域涉水问题项目治理中，利用水上水下一体化模型，为河道清淤、岸线修复等工 作提供准确数据支撑； 12月10日，平台管理员、自然资源部第二地形测量队生态监测中心高级工程师姬霖轻点鼠标，在陕 西省智慧黄河信息平台上，调出近日由视频监控自动识别的几处疑似乱搭乱建区域，通过AI研判与三 维模型叠加分析，精准确定目标区域和占地面积。"过去可能几周才能发现的隐患，如今实现了实时感 知、精准定位。"姬霖说。 这一高效操作的 ...

Core Insights - The article highlights the innovative "air inspection" process for real estate mortgage registration in the Pukou District, which allows for remote verification of construction projects using drone technology and 3D visualization [1][2]. Group 1: Technological Innovation - The Pukou District's real estate project successfully completed a mortgage registration application without on-site inspections, utilizing "real scene 3D + aerial information digitalization" technology [1]. - The "One Network Unified Flight" service platform enables efficient remote inspections by matching drone operators with construction sites, significantly reducing the need for physical presence [1][2]. Group 2: Efficiency and Time Savings - The new remote verification process compresses traditional multi-step procedures into instant completion, alleviating financial pressure on companies and accelerating project financing [2]. - The integration of drone technology allows for real-time monitoring and precise verification of construction status, enhancing the efficiency of the approval process [2][3]. Group 3: Improved Business Environment - The innovation in planning verification procedures has led to reduced paperwork and a significant decrease in on-site verification workload, improving service efficiency from government departments [3]. - The case study of "Constructing a New Paradigm for Business Environment with Low-altitude New Productivity" was recognized in the city's latest initiative to optimize the business environment [2].

Core Insights - The Ministry of Natural Resources and the National Data Bureau announced the selection results for the 2025 innovative application cases of real-scene 3D data, with two cases from Shaanxi Province successfully included [1][2] Group 1: Real-Scene 3D Data Applications - The "Real-Scene 3D Empowering Comprehensive Management of Silted Dams in Shaanxi Province" utilizes high-precision digital elevation models and sub-meter resolution imagery as the foundation for 3D geographic scenes, enabling comprehensive lifecycle management of silted dams [1] - The project has played a significant role in the management of 9,374 medium and large silted dams across the province, providing essential data support and platform capabilities for "one dam, one policy" management [1] Group 2: Ecological Protection and High-Quality Development - The "Real-Scene 3D Supporting Ecological Protection and High-Quality Development in the Yellow River Basin of Shaanxi Province" integrates various technologies such as satellite remote sensing, drone surveying, 3D laser scanning, and multi-beam underwater measurement to create a multi-level, multi-scale real-scene 3D data foundation [2] - This initiative has established an integrated regulatory system covering the entire network from provincial to local levels, facilitating scenario-based, visual, and process-oriented services for governance, protection management, and decision-making in the Yellow River Basin [2] Group 3: Future Directions - The Shaanxi Provincial Surveying and Mapping Geographic Information Bureau plans to continue developing real-scene 3D technology, guiding local practices, and expanding applications in farmland protection, spatial planning, cultural heritage protection, and disaster prevention [2]

Core Viewpoint - The integration of new technologies such as surveying and remote sensing is essential for the digital preservation and utilization of cultural heritage, allowing it to thrive in the digital realm while addressing its historical and contextual significance [1][2]. Group 1: Digital Cultural Heritage - Digital cultural heritage refers to the results of digitizing cultural assets, including images, videos, audio, and models, as well as the comprehensive use of technologies like surveying, geography, and artificial intelligence for information retention, processing, management, and application [1]. - The narrow definition of digital cultural heritage focuses on the digitization outcomes, while the broad definition encompasses integrated technologies for data, analysis, services, and application systems [1]. Group 2: Challenges and Solutions - The current 3D models produced in the cultural heritage digitization industry face challenges such as lack of interactivity, dynamic simulation, and effective spatiotemporal empowerment [2]. - The application of real-scene 3D technology is crucial for creating three-dimensional information products that are spatially, physically, and realistically represented, which can enhance the activation and utilization of cultural heritage [2]. Group 3: Practical Applications - The team led by Hou Miaole has collaborated with various institutions to establish multi-layered semantic models for cave heritage, addressing different needs such as archaeology, protection, and utilization [3]. - The practical work includes the digitalization and virtual restoration of the Dazu Rock Carvings, emphasizing the importance of having spatiotemporal semantic information for intelligent virtual restoration [2][3].

Core Points - The Ministry of Natural Resources reports that nearly 300 cities in China have completed the construction of 3D building models, which play a significant role in urban renewal, public service, and empowering the digital economy [1][2] Group 1: 3D Modeling and Technology - China has achieved autonomous control over core technologies such as real-world 3D data collection and spatial identity coding, establishing a 3D technology system characterized by intelligent modeling, integrated management, and knowledge-based applications [2][3] - By the end of 2025, the goal is to establish a preliminary version of "Real Scene 3D China," with nearly 300 cities having produced 3D models of buildings [2][3] Group 2: Applications in Urban Management - The implementation of 3D technology in Fuzhou has empowered over 60 fields, particularly in urban management, allowing for comprehensive perception, dynamic monitoring, and intelligent analysis of urban spatial information [4][5] - Fuzhou's smart management platform utilizes real-time 3D maps to provide detailed insights into urban infrastructure, including streetlights and manholes, enhancing operational efficiency [4][5] Group 3: Water Management and Emergency Response - The integration of 3D models in Fuzhou's water system management allows for real-time monitoring and simulation of water levels, significantly improving flood response times and water quality management [6][7] - The scientific scheduling system for water management has led to an 88% peak flood reduction rate and a 50% decrease in average drainage response time, achieving a 98% compliance rate for river water quality [7]