Research Article
Two Sets of Simple Formulae to Estimating Fractal Dimension of Irregular Boundaries
Table 3
The measures of area and perimeter of major cities in Beijing-Tianjin-Hebei region in 2000, 2005, and 2010.
| City | 2000 | 2005 | 2010 | Perimeter | Area | Perimeter | Area | Perimeter | Area |
| Baoding | 648.9145 | 165.6927 | 614.5161 | 177.6204 | 618.4115 | 181.7597 | Beijing | 1851.1617 | 1633.7361 | 2638.7369 | 2372.6209 | 3256.7105 | 2890.8456 | Cangzhou | 359.7652 | 96.5368 | 411.0804 | 111.0267 | 387.1366 | 107.9078 | Chengde | 383.2282 | 83.3696 | 386.8770 | 82.2602 | 385.7290 | 85.9915 | Handan | 497.2757 | 165.9174 | 587.4799 | 176.9860 | 587.4799 | 176.9860 | Hengshui | 286.5358 | 86.7690 | 217.3211 | 81.6262 | 275.6421 | 109.7244 | Langfang | 288.8174 | 96.1140 | 292.5072 | 99.8148 | 285.4678 | 101.9814 | Qinhuangdao | 429.0707 | 121.1679 | 451.5457 | 159.4474 | 403.8776 | 173.9307 | Shijiazhuang | 671.2512 | 329.6986 | 796.1045 | 389.8407 | 852.5650 | 446.2061 | Tangshan | 720.8655 | 214.2018 | 744.8371 | 226.1832 | 771.5667 | 264.4586 | Tianjin | 1867.5855 | 850.6298 | 2428.3672 | 1595.2827 | 2480.1692 | 2029.3596 | Xingtai | 402.1714 | 125.8745 | 391.3236 | 128.2210 | 386.5214 | 132.7910 | Zhangjiakou | 181.2180 | 53.7583 | 186.2037 | 55.4021 | 249.4361 | 90.7300 | Average | 660.6047 | 309.4974 | 780.5308 | 435.1025 | 841.5933 | 522.5133 |
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Note. The results based on the data in 2000, 2005, and 2010 are partially shown below. All the results can be found in the supplementary files.
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