1. Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming, People’s Republic of China
2. Faculty of Public Administration, Yunnan University of Finance and Economics, Kunming, People’s Republic of China
3. Surveying and Mapping Geo-Informatics Technology Research Center on Plateau Mountains of Yunnan Higher Education, Kunming University of Science and Technology, Kunming, People’s Republic of China