# China releases first nationwide geometric reference imagery dataset

https://mins.news/en/item/35361

- China News Service, 2026-08-28 06:07 UTC
- Tech
- Original: http://www.ecns.cn/cns-wire/2026-08-28/detail-ihfirzsm0919999.shtml

> China has released its first national-level geometric reference remote sensing imagery dataset, covering the country’s entire land territory. With an overall spatial resolution of 0.5 meters, it more than doubles nationwide positioning accuracy, improves imagery in mountainous, high-altitude and uninhabited areas, and provides a unified base map for satellite data.