• Journal of Geo-information Science
  • Vol. 22, Issue 4, 827 (2020)
Hong ZHANG1、1、2、2、*, Tian LAN3、3, and Zhilin LI2、2、3、3
Author Affiliations
  • 1School of Urban and Regional Science, East China Normal Unviersity, Shanghai 200062, China
  • 1华东师范大学城市与区域科学学院,上海 200062
  • 2Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
  • 2西南交通大学地球科学与环境工程学院,成都 611756
  • 3Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong 999077, China
  • 3香港理工大学土地测量与地理资讯系,香港 999077
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    DOI: 10.12082/dqxxkx.2020.200160 Cite this Article
    Hong ZHANG, Tian LAN, Zhilin LI. Advances in Fractal Cities: A Shift from Morphology to Network[J]. Journal of Geo-information Science, 2020, 22(4): 827 Copy Citation Text show less
    The complexity of linear spatial objects
    Fig. 1. The complexity of linear spatial objects
    The dimensions of spatial objects
    Fig. 2. The dimensions of spatial objects
    The derivation of topological connectivity graphs of streets and rooms in space syntax
    Fig. 3. The derivation of topological connectivity graphs of streets and rooms in space syntax
    Diagrams of the three most commonly used geometric fractal dimensions
    Fig. 4. Diagrams of the three most commonly used geometric fractal dimensions
    The calculation of the box-covering structural fractal dimension
    Fig. 5. The calculation of the box-covering structural fractal dimension
    The calculation of the volumetric structural fractal dimension
    Fig. 6. The calculation of the volumetric structural fractal dimension
    研究对象名称公式变量涵义地理意义公式编号
    城市形态面积-半径维数S(r)rDrr为圆半径,S(r)为半径范围内的城区面积,Dr为面积-半径维数空间渗滤(2)
    面积-周长维数S(r)LDLr为圆半径,S(r)L分别为半径范围内的城区面积和周长,DL为面积-周长维数形态紧凑性(3)
    盒覆盖维数Ngr-Dgr为盒子边长,Ng为覆盖所有城区所需的最少盒子数,Dg为网络结构分形维空间填充能力(4)
    城市交通网络长度-半径维数L(r)L1rDLr为圆半径,L(r)为半径为r的地域范围内交通网络总长度,L1为常系数,DL即为分维交通密度中心-外围变化(5)
    分枝-半径维数N(r)=N1rDbr为圆半径,N(r)为半径为r的圆形区域内交通网络分枝数目,N1为常数,Db为交通网络分枝数-半径维数交通网络的区域“渗透”能力(6)
    盒覆盖维数Ngr-Dgr为盒子边长,Ng为覆盖整个交通网络所需的最少盒子数,Dg为盒覆盖分形维交通网络的空间填充能力(7)
    信息维数Dq=-limr0Iq(r)logrr为圆半径,Iq(r)为Shannon信息熵,Dq为信息结构分形维数几何形态不均匀程度(8)
    城镇体系半径维数N(r)rDfr为圆半径,N(r)为以中心城市为圆心的半径r范围内的城镇数目,Df为半径维数从中心城市向周围腹地的密度衰减特征(9)
    网格维数N(r)r-Dαr为网格边长,N(r)为被城镇占据的网格数,Dα为网格维数城镇空间分布的均衡性(10)
    等级维数N(S)S-DhS为城市规模,N(S)为规模大于S的城市个数,DS为城市等级体系的分形维数城镇规模分布的异质性(11)
    Table 1. List of geometric fractal dimensions in urban studies
    Hong ZHANG, Tian LAN, Zhilin LI. Advances in Fractal Cities: A Shift from Morphology to Network[J]. Journal of Geo-information Science, 2020, 22(4): 827
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