1. State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, People’s Republic of China
2. School of Computer Science, China University of Geosciences, Wuhan, People’s Republic of China
3. School of Future Technology, China University of Geosciences, Wuhan, People’s Republic of China
4. National Engineering Research Center of Geographic Information System, China University of Geosciences, Wuhan, People’s Republic of China