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Proceedings Paper

A modified radius fractal dimension for capturing spatial complexity of a polycentric city
Author(s): Tian Lan; Hong Zhang; Xun Wu; Weiwei Cao; Jing He
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Paper Abstract

As one of the most important indexes for describing spatial complexity of urban road networks, radius fractal dimension has been proved to be useful in single-central cities. The method needs to choose a traffic hub as the center of measurement, but if the city has more than one traffic center, it will be difficult to choose a proper center and portray spatial complexity of the whole road network. The modified method proposed in this paper regards all the nodes of a network as centers of measurement and considers the whole effect of traffic centers in a polycentric city, so the modified radius fractal dimension describes the spatial complexity of a road network from an overall perspective and overcomes the problem that the traditional method relies on only one center. The experimental results show the modified radius fractal dimension is reliable, which can describe urban road networks in a new perspective.

Paper Details

Date Published: 9 December 2015
PDF: 7 pages
Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 98081H (9 December 2015); doi: 10.1117/12.2207650
Show Author Affiliations
Tian Lan, Southwest Jiaotong Univ. (China)
Hong Zhang, Southwest Jiaotong Univ. (China)
Xun Wu, Southwest Jiaotong Univ. (China)
Weiwei Cao, Southwest Jiaotong Univ. (China)
Jing He, Southwest Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 9808:
International Conference on Intelligent Earth Observing and Applications 2015
Guoqing Zhou; Chuanli Kang, Editor(s)

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