Evaluation of urban spatial attraction range in Anhui province based on weighted Voronoi diagram

doi:10.13474/j.cnki.11-2246.2020.0125

Bulletin of Surveying and Mapping ›› 2020, Vol. 0 ›› Issue (4): 125-129.doi: 10.13474/j.cnki.11-2246.2020.0125

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Evaluation of urban spatial attraction range in Anhui province based on weighted Voronoi diagram

ZHAO Jiaxing^1,2,3, Lü Weicai^1,2,3, GE Xiang^1,2,3, CHEN Weiwei^1,2,3

1. School of Geomatics, Anhui University of Science and Technology, Huainan 232001, China;
2. Key Laboratory of Aviation-aerospace-ground Cooperative Monitoring and Early Warning of Coal Mining-induced Disasters of Anhui Higher Education Institutes, Huainan 232001, China;
3. Coal Industry Engineering Research Center of Mining Area Environmental and Disaster Cooperative Monitoring, Huainan 232001, China

Received:2019-06-21 Online:2020-04-25 Published:2020-05-08

Abstract

Abstract: In order to evaluate the influence range of prefecture-level cities in Anhui province, this study uses the spatial dissection characteristics of Voronoi diagrams and the combination of subjective and objective comprehensive weighting methods, and proposes the use of combined weights to calculate the central intensity, which is used as a weight to introduce models to establish Anhui province. The city-weighted Voronoi diagram is analyzed in association with the perimeter-area fractal theory and the ranking of new first-tier cities published by the New First-Line City Institute to analyze the spatial impact of prefecture-level cities in Anhui province. After analysis and verification, the established combination of Voronoi diagram can effectively evaluate the influence range of prefecture-level cities in Anhui province. In addition, it also provides reference for the classification of city grades.

Key words: combination weight Voronoi diagram, urban space attraction range, perimeter-area fractal theory, city ranking, comparative analysis

CLC Number:

P208

ZHAO Jiaxing, Lü Weicai, GE Xiang, CHEN Weiwei. Evaluation of urban spatial attraction range in Anhui province based on weighted Voronoi diagram[J]. Bulletin of Surveying and Mapping, 2020, 0(4): 125-129.

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Evaluation of urban spatial attraction range in Anhui province based on weighted Voronoi diagram

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