1. School of Civil Architectural Engineering, Shandong University of Technology, Shandong Zibo, China
2. Key Laboratory of Geographic Information Science (Ministry of Education), East China Normal University, Shanghai, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
4. Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan, China
5. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research of Chinese Academy of Sciences, Beijing, China