Table 4.

Statistical descriptions of the visual environment.

Path type	Parameter	Visual parameter
	Site	Openness (%)	Green view index (%)	Concealment (%)	Material hardness ratio (%)	Retaining walls ratio (%)	Green slopes ratio (%)	Proportion of trees (%)	Elevation difference (m)
Short path, going up	(a) Start	0.42	0.45	0.75	0.82	0.25	0.29	0.19	0.00
	(b) Node1	0.36	0.35	0.95	0.55	0.24	0.18	0.30	1.44
	(c) Node2	0.35	0.66	0.74	2.59	0.12	0.39	0.19	2.4
	(d) Node3	0.29	0.34	0.98	0.96	0.10	0.29	0.28	5.83
	(e) Finish	0.18	0.35	1.00	0.66	0.09	0.11	0.17	8.47
Short path, going down	(a) Start	0.32	0.23	1.00	0.49	0.02	0.00	0.19	0.00
	(b) Node1	0.49	0.77	0.94	0.78	0.06	0.14	0.55	1.56
	(c) Node2	0.26	0.78	0.85	10.6	0.03	0.16	0.48	3.25
	(d) Node3	0.72	0.54	0.97	1.14	0.08	0.20	0.50	5.98
	(e) Finish	0.55	0.3	0.75	1.22	0.06	0.04	0.35	10.27
Long path, going up	(a) Start	0.36	0.64	0.77	2.31	0.12	0.18	0.30	0.00
	(b) Node1	0.41	0.60	0.65	1.96	0.19	0.26	0.29	0.39
	(c) Node2	0.55	0.36	0.98	1.10	0.14	0.34	0.30	2.60
	(d) Node3	0.36	0.46	0.56	0.99	0.24	0.15	0.20	8.32
	(e) Finish	0.61	0.31	0.71	1.32	0.01	0.00	0.38	13.26
Long path, going down	(a) Start	0.68	0.52	0.71	2.07	0.01	0.04	0.45	0.00
	(b) Node1	0.69	0.72	0.56	7.27	0.04	0.1	0.68	11.44
	(c) Node2	0.57	0.78	0.73	9.21	0.03	0.14	0.63	2.34
	(d) Node3	0.39	0.79	0.90	5.22	0.14	0.17	0.50	5.59
	(e) Finish	0.37	0.80	0.98	5.31	0.03	0.30	0.29	0.13