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Article

A Topology Preserving Gridding Method for Vector Features in Discrete Global Grid Systems

Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Nanjing 210023, China
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ISPRS Int. J. Geo-Inf. 2020, 9(3), 168; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030168
Received: 6 January 2020 / Revised: 4 March 2020 / Accepted: 7 March 2020 / Published: 12 March 2020
(This article belongs to the Special Issue Global Grid Systems)
Topological distortion seriously affects spatial cognition. To solve this problem caused by the integration of vector features in discrete global grid systems (DGGs), a topology-preserving gridding method for vector features is proposed. The method proposed determines the topological distortion according to the relationship between grid cells and then increases the local resolution of vector features by employing the multi-level resolution characteristic of DGGs, to repair three kinds of topological distortions. Experimental results show that the proposed method can effectively maintain the topological relationship between the original vector features, and the amount of data is stable, thus ensuring the correct integration of vector features in the DGGs. View Full-Text
Keywords: discrete global grid systems; vector feature; gridding; data integration; topological relationship discrete global grid systems; vector feature; gridding; data integration; topological relationship
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MDPI and ACS Style

Zhou, L.; Lian, W.; Zhang, Y.; Lin, B. A Topology Preserving Gridding Method for Vector Features in Discrete Global Grid Systems. ISPRS Int. J. Geo-Inf. 2020, 9, 168. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030168

AMA Style

Zhou L, Lian W, Zhang Y, Lin B. A Topology Preserving Gridding Method for Vector Features in Discrete Global Grid Systems. ISPRS International Journal of Geo-Information. 2020; 9(3):168. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030168

Chicago/Turabian Style

Zhou, Liangchen, Wenjie Lian, Yudi Zhang, and Bingxian Lin. 2020. "A Topology Preserving Gridding Method for Vector Features in Discrete Global Grid Systems" ISPRS International Journal of Geo-Information 9, no. 3: 168. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030168

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