A Method for Generating Variable-Scale Maps for Small Displays

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...

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Main Authors: Rong Zhao, Tinghua Ai, Chen Wen
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:ISPRS International Journal of Geo-Information
Subjects:
Online Access:https://www.mdpi.com/2220-9964/9/4/250
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author Rong Zhao
Tinghua Ai
Chen Wen
author_facet Rong Zhao
Tinghua Ai
Chen Wen
author_sort Rong Zhao
collection DOAJ
description 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.
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spelling doaj.art-a198ccb4fb5140fa95ced421340aa5182023-11-19T21:57:09ZengMDPI AGISPRS International Journal of Geo-Information2220-99642020-04-019425010.3390/ijgi9040250A Method for Generating Variable-Scale Maps for Small DisplaysRong Zhao0Tinghua Ai1Chen Wen2School of Resource and Environment Sciences, Wuhan University, Wuhan 430072, ChinaSchool of Resource and Environment Sciences, Wuhan University, Wuhan 430072, ChinaSchool of Resource and Environment Sciences, Wuhan University, Wuhan 430072, ChinaWith 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.https://www.mdpi.com/2220-9964/9/4/250variable-scale mapFocus+Glue+Contextinteractive visualizationhierarchical data structure
spellingShingle Rong Zhao
Tinghua Ai
Chen Wen
A Method for Generating Variable-Scale Maps for Small Displays
ISPRS International Journal of Geo-Information
variable-scale map
Focus+Glue+Context
interactive visualization
hierarchical data structure
title A Method for Generating Variable-Scale Maps for Small Displays
title_full A Method for Generating Variable-Scale Maps for Small Displays
title_fullStr A Method for Generating Variable-Scale Maps for Small Displays
title_full_unstemmed A Method for Generating Variable-Scale Maps for Small Displays
title_short A Method for Generating Variable-Scale Maps for Small Displays
title_sort method for generating variable scale maps for small displays
topic variable-scale map
Focus+Glue+Context
interactive visualization
hierarchical data structure
url https://www.mdpi.com/2220-9964/9/4/250
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