Table 1. Data sources and descriptions.
| Factor | Variables | Explanation | Sources |
|---|---|---|---|
|
Traffic Accessibility
|
Distance from a high-level highway (X1) | Dali Prefecture high-level highway data | OpenStreetMap |
| Distance from a high-speed rail station (X2) | Dali Prefecture 2014–2021 passenger high-speed rail station data | The API of the Gaode Open Platform (https://lbs.amap.com/tools/picker) | |
| Distance from a city (X3) | City location data | ||
| Natural Environment | Altitude (X4) | Altitude of each attraction | The geospatial digital elevation model |
| Distance from the waters (X5) | Dali Prefecture waters data | OpenStreetMap | |
| Socioeconomic Factors | Resident population (X6) | 2014–2021 resident population data | Dali Statistical Yearbook 2014–2021 |
| The gross domestic product (X7) | 2014–2021 gross domestic product data | ||
| Proportion of the tertiary industry (X8) | 2014–2021 the tertiary industry data | ||
| Core Resources | Distance to high-level attractions (X9) | 2014–2021 5A and 4A attractions data | The website of the Yunnan Provincial Department of Culture and Tourism (http://dct.yn.gov.cn/) |
| Distance to humanistic resources (X10) | 2014–2021(national cultural heritage protection units | The central government portal (www.gov.cn) |
|
| 2014–2021 Chinese traditional villages | The website of Chinese traditional villages (http://www.chuantongcunluo.com) |