Fig 1.
Schematic map of the characteristics of the Weibei Imperial Mausoleum Protection Zone.
Fig 2.
The schematic diagram of the hierarchical clustering algorithm.
Fig 3.
A schematic diagram of the settlement spatial distribution model based on factor analysis integrated with the hierarchical clustering algorithm.
Table 1.
Data types and sources.
Table 2.
Classification of accessibility levels.
Fig 4.
The correlation results graph between the number of classifications (K) and the GVF for each combination.
Fig 5.
The relationship between the number of classifications (K) and the SSE results graph.
Table 3.
Spatial distribution level results.
Fig 6.
The silhouette coefficient scores for different algorithms at various levels.
Fig 7.
Comparison of grid points for each accessibility level at different time points on weekdays and weekends.
Fig 8.
The transition matrix chart for comprehensive accessibility levels on weekdays and weekends.