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A Method for Generating Variable-Scale Maps for Small Displays

School of Resource and Environment Sciences, Wuhan University, Wuhan 430072, China
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ISPRS Int. J. Geo-Inf. 2020, 9(4), 250; https://doi.org/10.3390/ijgi9040250
Received: 6 February 2020 / Revised: 18 March 2020 / Accepted: 16 April 2020 / Published: 17 April 2020
(This article belongs to the Special Issue Geovisualization and Map Design)
With the rapid development of the internet and information technology, visualization techniques for mobile and interactive web maps have developed different requirements. Small screens make it difficult to simultaneously present information details and the surrounding context. Aiming at this problem, this paper proposes a novel variable-scale method that can allow users to properly specify the size, shape, and number of the focus area(s). Our method first establishes a hierarchical data structure for representing geographic data and then the client-side can request and represent the information according to only the operational command input by users. Experimental results show that this method can realize the variable-scale representation of real geographic data on a single screen. It can effectively solve the contradiction between a small-screen display and a large quantity of information. View Full-Text
Keywords: variable-scale map; Focus+Glue+Context; interactive visualization; hierarchical data structure variable-scale map; Focus+Glue+Context; interactive visualization; hierarchical data structure
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MDPI and ACS Style

Zhao, R.; Ai, T.; Wen, C. A Method for Generating Variable-Scale Maps for Small Displays. ISPRS Int. J. Geo-Inf. 2020, 9, 250. https://doi.org/10.3390/ijgi9040250

AMA Style

Zhao R, Ai T, Wen C. A Method for Generating Variable-Scale Maps for Small Displays. ISPRS International Journal of Geo-Information. 2020; 9(4):250. https://doi.org/10.3390/ijgi9040250

Chicago/Turabian Style

Zhao, Rong; Ai, Tinghua; Wen, Chen. 2020. "A Method for Generating Variable-Scale Maps for Small Displays" ISPRS Int. J. Geo-Inf. 9, no. 4: 250. https://doi.org/10.3390/ijgi9040250

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