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ISPRS Int. J. Geo-Inf. 2019, 8(2), 63; https://doi.org/10.3390/ijgi8020063

Diverse Visualization Techniques and Methods of Moving-Object-Trajectory Data: A Review

1
College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
2
Satellite Surveying and Mapping Application Center, National Administration of Surveying, Mapping and Geoinformation of China, Beijing 100048, China
*
Authors to whom correspondence should be addressed.
Received: 18 November 2018 / Revised: 22 January 2019 / Accepted: 23 January 2019 / Published: 29 January 2019

Abstract

Trajectory big data have significant applications in many areas, such as traffic management, urban planning and military reconnaissance. Traditional visualization methods, which are represented by contour maps, shading maps and hypsometric maps, are mainly based on the spatiotemporal information of trajectories, which can macroscopically study the spatiotemporal conditions of the entire trajectory set and microscopically analyze the individual movement of each trajectory; such methods are widely used in screen display and flat mapping. With the improvement of trajectory data quality, these data can generally describe information in the spatial and temporal dimensions and involve many other attributes (e.g., speed, orientation, and elevation) with large data amounts and high dimensions. Additionally, these data have relatively complicated internal relationships and regularities, whose analysis could cause many troubles; the traditional approaches can no longer fully meet the requirements of visualizing trajectory data and mining hidden information. Therefore, diverse visualization methods that present the value of massive trajectory information are currently a hot research topic. This paper summarizes the research status of trajectory data-visualization techniques in recent years and extracts common contemporary trajectory data-visualization methods to comprehensively cognize and understand the fundamental characteristics and diverse achievements of trajectory-data visualization. View Full-Text
Keywords: trajectory set; spatiotemporal information; attribute information; hidden information; techniques and methods; research status trajectory set; spatiotemporal information; attribute information; hidden information; techniques and methods; research status
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He, J.; Chen, H.; Chen, Y.; Tang, X.; Zou, Y. Diverse Visualization Techniques and Methods of Moving-Object-Trajectory Data: A Review. ISPRS Int. J. Geo-Inf. 2019, 8, 63.

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