实景三维中国应用场景日益丰富

Group 1 - The core viewpoint of the article highlights the establishment of a three-dimensional (3D) technology system in China during the "14th Five-Year Plan" period, integrating design, construction, and application to support smart city development and emergency response through geographic information [1][2] Group 2 - The "Real Scene 3D China" initiative utilizes modern technologies such as satellite remote sensing, big data, cloud computing, and intelligent perception to create highly accurate 3D models of real-world scenarios, effectively serving as a dynamic map for comprehensive geographic coverage [1][2] - At the macro level, the terrain-level 3D mapping achieves large-scale digital representation with products covering the entire land area of the country, including a 1:10,000 data coverage of 70% of the land [2] - At the urban level, over 300 cities have completed LOD1.3 3D model production, and 67 cities are piloting smart city big data platform construction, facilitating the digital transformation of urban areas [2] - More than 100 application scenarios have been established, encompassing disaster prevention, smart transportation, and smart cultural tourism, providing robust support for economic and social development, daily life, digital ecological civilization, and smart city growth [2] - The initiative is evolving from a surveying technology to a "digital foundation" that enhances experiences, innovates models, promotes smart governance, and integrates ecosystems [2]