Chongqing deploys four real-life three-dimensional maps to help develop low-altitude economy
2024-08-16
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Recently, the "Urban Spatial Data Governance and Intelligent Security Monitoring Advanced Training Course" was held in Chongqing. Chongqing is promoting the construction of low-altitude real-life 3D maps covering airspace maps, facility maps, industry maps, and scene maps to enable the development of the low-altitude economy. It is worth noting that the 3D real-life maps (secondary maps) of the land space of 1,031 streets and towns in the city will be completed by the end of September.
What is low-altitude economy?
The low-altitude economy is a comprehensive economic form that promotes the integration and development of industries through low-altitude flight activities, and has the characteristics of tight coupling between time and space. In the entire chain of the low-altitude economy, massive spatiotemporal information is required for calculation. The surveying and mapping department should become the supplier of the low-altitude digital base, and also an important beneficiary of the development of the low-altitude economy.
Chen Guang
Chen Guang, chief engineer of the Basic Surveying and Mapping Branch of Chongqing Institute of Surveying and Mapping Science and Technology, said that Chongqing is carrying out the construction of urban-level real-scene 3D maps of densely populated areas in 1,031 towns and streets in the city, covering 22.56 million people and about 4,000 square kilometers, and vigorously promoting data integration and application empowerment. At present, the real-scene 3D construction of nearly 1,000 towns and streets has been completed, and it is expected that the real-scene map (secondary map) of Chongqing City will be fully completed by the end of September.
How does real-life 3D empower the low-altitude economy?
Realistic 3D can reflect the real topography, enabling management departments to "fight with a map". At present, the collection of detailed topographic information mainly relies on drones. The "Interim Regulations on the Management of Unmanned Aerial Vehicle Flights" stipulates that light, small and medium-sized unmanned aerial vehicles shall not exceed a true altitude of 300 meters.
"That is to say, there will be more and more drones at this flight altitude in the future." Chen Guang said that in addition to collecting data information more conveniently, professional surveying and mapping departments should also take the initiative to make full use of real-scene three-dimensional technology to avoid future drone conflicts in space.
Four maps are laid out to help the development of low-altitude economy
At present, Chongqing Institute of Surveying and Mapping Science and Technology is planning airspace maps, facility maps, industry maps, and scene maps to help Chongqing achieve "free flight" at low altitudes.
The so-called airspace map is to draw suitable flight areas and routes for drones, which is an integrated digital twin space of low-altitude airspace. With the increasing number of low-altitude aircraft, trunk, branch and short-line routes can allow drones to go their own way during flight. "For example, for short-distance express delivery, in the future development, we may also provide customized route services for it. Personalized customized routes are also the direction of future development."
The facility map refers to the construction layout of drone service infrastructure, similar to the traffic police station on the ground. For example, the construction of flight service stations, take-off and landing fields, and 5G-A base stations. "5G-A is an advanced version of 5G, with lower latency and more efficient information transmission, and can provide real-time positioning for aircraft."
The industrial map is the upstream and downstream industrial chains of drones. It is a big data base for low-altitude industrial space constructed from the dimensions of industrial land, industrial maps, settled enterprises, and investment site selection. In addition to selecting relevant enterprises, it also provides these enterprises with site selection, investment promotion and other services to support the implementation of the plan.
The scenario graph refines some application scenarios, such as small-batch delivery services, medical rescue, river inspections, high-voltage line inspections, etc., to provide services for specific industries.
"'Build planes, repair sky roads, and weave sky networks'. Through a series of means, drone flights can be made orderly and controllable, and everyone can participate and enjoy the benefits of low-altitude flight." Chen Guang said that this is the economic benefit brought by low-altitude flight.
Upstream News reporter Chen Zhu provided the photo
