Implementing the pan-map dimension association approach for trajectory visualization

doi:10.13474/j.cnki.11-2246.2024.1110

Abstract

Abstract: The barrier to participation in trajectory expression has continuously lowered with the development of information technology; however, the trajectory expression scheme still heavily relies on the user's comprehension of the information value and expression requirements. As a result, this study establishes the association between needs and visualization dimensions based on the theory of visualization dimensions and presents the generalization expression requirements of trajectory data in light of the generalization characteristics of trajectory expression. The space-time cube, personal travel timeline, and OD trajectory flow diagram are used as examples to analyze the trajectory expression characteristics under various dimensional combinations. The research focuses on the analysis of the expression characteristics between the temporal structure, geometric logic, spatial dimension, spatial organization, and expression scale dimensions and the expression demand. The findings demonstrate that it is possible to do trajectory expression using the visual dimension theory, and that studying the visualization dimension theory's trajectory expression is very beneficial.

Key words: trajectory data, trajectory visualization, pan-map, visualization dimensions

CLC Number:

P208

DENG Zhigang, GUO Renzhong, CHEN Yebin, MA Ding, ZHAO Zhigang, ZHU Wei. Implementing the pan-map dimension association approach for trajectory visualization[J]. Bulletin of Surveying and Mapping, 2024, 0(11): 56-60,96.

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