湖南娄底构建统一城市数字时空底座，赋能自然资源事业数智化转型——实景三维“智”进之路

Core Insights - The article highlights the integration of digital technology in urban management and governance in Loudi City, Hunan Province, through the establishment of a unified urban digital spatial foundation, enhancing the application of real-world 3D data [1][3] Group 1: Digital Infrastructure Development - Loudi City has built a real-world 3D database covering 8,109 square kilometers with a DEM of better than 1 meter and a DOM of 0.5 meters, along with 800 square kilometers of urban-level 3D data with a precision of better than 5 centimeters [1] - The city has developed eight application platforms based on the real-world 3D database, including a smart spatial big data platform and a land supermarket big data platform, to accurately map every piece of land and building into a digital twin world [3][5] Group 2: Empowering Natural Resource Management - The Natural Resources and Planning Bureau of Loudi has signed cooperation agreements with 12 units to provide spatial data support for various systems, enhancing urban governance and resource management [5] - The average approval time for urban planning projects has been reduced from over 80 days to around 20 days due to the implementation of real-world 3D technology, streamlining the project approval process [5] Group 3: Enhancing Public Services - Citizens can use a real estate visualization query system to access information about property conditions and rights restrictions, with over 80,000 queries made since its launch [7] - The integration of real-world 3D technology is also being extended to rural areas, supporting environmental monitoring and public safety initiatives [7]