Table 1: Driving factors and weights of spatio-temporal growth of tourist town.

Influencing factor Variable type Weight coefficient Variable grading

Distance to town center 4Grade 1: 0~500 m
Grade 2: 501~1000 m
Grade 3: 1001~3000 m
Grade 4: >3000 m
Basic geographic factorsDistance to arterial roads 4Grade 1: 0~100 m
Grade 2: 101~500 m
Grade 3: 501~1000 m
Grade 4: >1000 m
Distance to railway 2Grade 1: 0~100 m
Grade 2: 101~500 m
Grade 3: 501~1000 m
Grade 4: >1000 m

Geographic factors for tourismDistance to footpath 3Grade 1: 0~100 m
Grade 2: 101~300 m
Grade 3: 301~600 m
Grade 4: >600 m
Distance to scenic spots 3Grade 1: 0~500 m
Grade 2: 501~1000 m
Grade 3: 1001~2000 m
Grade 4: >2000 m

Slope 4Grade 1: <5 degrees
Grade 2: 6 degrees~15 degrees
Grade 3: 16 degrees~25 degrees
Grade 4: >25 degrees
Topographical factorsAspect 1Grade 1: −45 degrees~45 degrees
Grade 2: 45 degrees~135 degrees
Grade 3: 135 degrees~225 degrees
Grade 4: 225 degrees~315 degrees
Ground fluctuation degree 2Grade 1: <10
Grade 2: 10~20
Grade 3: 20~40
Grade 4: >40