Published August 8, 2025 | Version v1
Image Open

Vector data for urban roofs with building attributes in 124 urban extents in China

Authors/Creators

  • 1. ROR icon Guangdong University of Technology
  • 2. ROR icon University of Groningen

Description

The dataset records the building attributes for nearly 13 million buildings within the urban extents in 124 China's large cities (urban population larger than 1 million).  The brief information is shown below:

Coordination system: GCS_Hong_Kong_1980.

Building height: floornum, unit in number of floors.

Roof color value: shown in RGB code, where color values for red, green and blue are represented by b1, b2, and b3. 

Estimated rooftop color: Four main rooftop colors were identified, namely grey (noted as 1), yellow or red (noted as 2), blue (noted as 3), green (noted as 4).

Rooftop type: flat (noted as 5) or pitched (noted as 6). 

Building age: Represented and noted by the buildup year.

Files

Files (1.3 GB)

Name Size Download all
md5:25ccec09737f86bdb1b95a27652fb3a9
1.3 GB Download

Additional details

References

  • Hu, Y., Pradhan, P., Zhang, H., Wang, Z., Huang, Q., Jia, Q., Lian, X., Xu, C., Yang, R., Tian, Y., Xu, Z., Jiao, L., & Kropp, J. P. (2025). Urban agriculture supports China's vegetable supply without raising greenhouse gas emissions. Resources, Environment and Sustainability, 8, 100254. https://doi.org/10.1016/j.resenv.2025.100254