Workflow
实景三维中国建设加快赋能应用
Zhong Guo Zi Ran Zi Yuan Bao·2025-04-30 01:13

Group 1 - The core viewpoint of the news is the significant progress made in the construction of a three-dimensional digital China, driven by the Ministry of Natural Resources through various stages of pilot exploration, localized application, comprehensive deployment, and accelerated empowerment [1][2] - The supply of data elements has been continuously enhanced, with 7.35 million square kilometers of digital elevation model data produced, 7.9 million square kilometers of basic geographic entity data completed, and 21 versions of orthophoto data with sub-meter/2-meter resolution covering the entire land territory of the country [1] - A total of 310 cities at the prefecture level and above have initiated three-dimensional city construction, resulting in approximately 110,000 square kilometers of urban three-dimensional model data produced [1] Group 2 - The technical standards and systems have been increasingly refined, comprising a technical standard system that includes technical outlines, 25 technical documents, and several national and industry standards, covering the entire construction process from design to quality control [2] - The application of three-dimensional digital China is expanding, with over 100 application scenarios across 22 categories, including disaster prevention, smart security, cultural heritage protection, land spatial planning, and online tourism [2] - The Ministry of Natural Resources plans to accelerate construction, focus on application, and build an ecosystem to support the development of high-quality geographic spatial data sets, aiding in natural resource management and land spatial planning [2]