湖南厅推进实景三维建设服务低空经济

Core Insights - The project in Hunan Province has successfully passed evaluation, marking a significant achievement in the field of low-altitude economy supported by realistic 3D technology [1][2] - Hunan has established itself as the first national pilot area for innovative development in surveying and geographic information for the high-quality development of the low-altitude economy [2] Group 1 - The project focuses on a core area of 4,300 square kilometers across the cities of Changsha, Zhuzhou, and Xiangtan, completed in six months by the Hunan First Surveying and Mapping Institute in collaboration with multiple entities [1] - Three core capabilities have been developed: a 3D obstacle avoidance map for low-altitude airspace, a digital management tool for low-altitude airspace data, and a CORS differential data broadcasting system for signal transmission [1] - The 3D obstacle avoidance map provides a 3D visual safety channel for flying vehicles through grid-based layered management [1] Group 2 - Since 2022, Hunan has been advancing realistic 3D construction, achieving coverage of 211,800 square kilometers across the province [2] - Key 3D models have been constructed for important areas such as the Chang-Zhu-Tan Green Heart and Dongting Lake, enhancing low-altitude flight safety and efficiency [2] - The integration of realistic 3D technology is seen as a powerful tool for cultivating new productive forces in the region [2]