自然资源部：我国初步建成实景三维中国

Core Viewpoint - The Ministry of Natural Resources has established a 3D realistic representation of China, which serves as a crucial foundation for the construction of a digital China, supporting the digital economy and smart city initiatives [1] Group 1: 3D Realistic Representation - The 3D realistic representation of China is an essential element for digital China, providing a unified spatial-temporal foundation for various applications [1] - A comprehensive 3D technical system has been developed, integrating design, construction, and application processes [1] Group 2: Data Coverage and Mapping - Macro-level 3D realistic representation achieves large-scale digital mapping with products covering the entire land territory of the country, including 5-meter and 10-meter grid products [1] - 1:10,000 data coverage extends to 70% of the land territory [1] Group 3: Urban Digital Transformation - At the urban level, over 300 cities have completed the production of LOD1.3 3D models, facilitating digital mapping of urban three-dimensional spaces [1] - 67 cities are piloting the construction of smart city spatiotemporal big data platforms, promoting comprehensive digital transformation [1] Group 4: Application Scenarios - More than 100 application scenarios have been established, covering disaster prevention, smart transportation, and smart cultural tourism [1] - These applications provide strong support for economic and social development, daily life of citizens, digital ecological civilization construction, and smart city development [1]