1. Key Laboratory of Geographic Information Science (Ministry of Education), East China Normal University, Shanghai, People’s Republic of China
2. School of Geographic Sciences, East China Normal University, Shanghai, People’s Republic of China
3. School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People’s Republic of China
4. Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education, National & Local Joint Engineering Research Center of Satellite Geospatial Information Technology, Fuzhou University, Fuzhou, People’s Republic of China
5. The Academy of Digital China, Fuzhou University, Fuzhou, People’s Republic of China
6. Research Center for China Administrative Division, East China Normal University, Shanghai, People’s Republic of China