| Division | a | b | c | d | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| The existing viewshed analysis | Viewshed analysis of targeting view object | The existing viewshed analysis | Viewshed analysis of targeting view object | The existing viewshed analysis | Viewshed analysis of targeting view object | The existing viewshed analysis | Viewshed analysis of targeting view object | |||||||||
| Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | Measure (m2) | Ratio (%) | |
| 1 | 1,827,100 | 14.88 | 179,400 | 1.46 | 3,169,300 | 25.73 | 423,900 | 3.44 | 3,364,700 | 13.66 | 412,900 | 1.68 | 1,999,700 | 16.26 | 279,200 | 2.27 |
| 2 | 1,079,900 | 8.80 | 284,300 | 2.32 | 1,559,600 | 12.66 | 466,300 | 3.79 | 1,430,800 | 5.81 | 1,027,400 | 4.17 | 1,156,800 | 9.41 | 674,700 | 5.49 |
| 3 | 625,500 | 5.09 | 329,900 | 2.69 | 799,000 | 6.49 | 439,700 | 3.57 | 925,600 | 3.76 | 823,400 | 3.34 | 1,017,100 | 8.27 | 202,600 | 1.65 |
| 4 | 226,600 | 1.85 | 3,049,600 | 24.84 | 369,600 | 3.00 | 505,600 | 4.10 | 821,600 | 3.33 | 757,000 | 3.07 | 462,700 | 3.76 | 275,300 | 2.24 |
| 5 | 31,900 | 0.26 | - | - | 287,000 | 2.33 | 390,000 | 3.17 | 523,500 | 2.12 | 5,911,000 | 23.99 | 193,900 | 1.58 | 1,978,100 | 16.09 |
| 6 | 8,400 | 0.07 | - | - | 261,700 | 2.12 | 5,247,400 | 42.60 | 280,100 | 1.14 | - | - | 134,800 | 1.10 | 2,013,000 | 16.37 |
| 7 | 4,900 | 0.04 | - | - | 117,000 | 0.95 | - | - | 215,000 | 0.87 | - | - | 86,100 | 0.70 | - | - |
| 8 | 3,600 | 0.03 | - | - | 108,500 | 0.88 | - | - | 225,000 | 0.91 | - | - | - | - | - | - |
| 9 | - | - | - | - | - | - | - | - | 101,200 | 0.41 | - | - | - | - | - | - |
| 10 | - | - | - | - | - | - | - | - | 20,400 | 0.08 | - | - | - | - | - | - |
| 11 | - | - | - | - | - | - | - | - | 5,300 | 0.02 | - | - | - | - | - | - |
| Total | 3,807,900 | 31.01 | 3,843,200 | 31.30 | 6,671,700 | 54.16 | 7,472,900 | 60.66 | 7,913,200 | 32.12 | 8,931,700 | 36.25 | 5,051,100 | 41.07 | 5,422,900 | 44.10 |
| Invisible area | 8,470,500 | 68.99 | 8,435,200 | 68.70 | 5,647,300 | 45.84 | 4,846,100 | 39.34 | 16,724,800 | 67.88 | 15,706,300 | 63.75 | 7,246,400 | 58.93 | 6,874,600 | 55.90 |
| Overall map area | 12,278,400 | 100.00 | 12,278,400 | 100.00 | 12,319,000 | 100.00 | 12,319,000 | 100.00 | 24,638,000 | 100.00 | 24,638,000 | 100.00 | 12,297,500 | 100.00 | 12,297,500 | 100.00 |