1. School of Geography Science and Geomatics Engineering, Suzhou University of Science and Technology, Suzhou, People’s Republic of China
2. School of Information Engineering, Zhejiang Ocean University, Zhoushan, People’s Republic of China
3. Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, People’s Republic of China
4. School of Design and the Built Environment, Curtin University, Perth, Australia