Abstract
Contact with the patient is an important transmission route for the transmission of infectious diseases, so an individual level information of activity can be used as an important index to determine risks of infection. The purpose of this study is to propose a method to understand the migration characteristics of COVID-19 (Coronavirus Disease 2019) patients by using personal movement. To this end, a geovisualization prototype environment has been developed with the concept of time geography in order to analyze data on the movement route of corona patients in Seoul. In the geovisualization prototype, a three-dimensional path is used to visualize the visited places of COVID-19 patients by time period. In addition, visit time and stay time by place of visit are expressed in a cylinder reflecting the concept of the station so that it is possible to determine whether or not the visiting places are overlapped by the patients. The visualization method proposed in this study has the following advantages. First, it is possible to analyze the spatiotemporal movement characteristics by simultaneously visualizing the spatiotemporal ranges and characteristics of the movement of COVID-19 patients. Second, it is possible to identify the shared location of the infected patients through visualization of the station along the path of their movement.
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