1. School of Geography and Planning Sun Yat‐Sen University Guangdong China
2. Key Laboratory of Geographic Information Science (Ministry of Education) School of Geographic Sciences East China Normal University Shanghai China
3. Tourism College Sichuan University Chengdu China
4. Chengdu University of Information Technology Chengdu China
5. Chengdu College of University of Electronic Science and Technology of China Sichuan China
6. School of Tourism and Historical Culture Southwest Minzu University Chengdu China
7. School of Geography and Information Engineering China University of Geosciences Beijing China