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Figure 4 | International Journal of Health Geographics

Figure 4

From: Using geovisual analytics in Google Earth to understand disease distribution: a case study of campylobacteriosis in the Czech Republic (2008–2012)

Figure 4

Spatio-temporal bubble chart visualised in Google Earth. Number of cases per week are visualised using the bubble chart in the environment of Google Earth. The data are aggregated in the regular square grid (4 km2). The number of cases is represented by the size and colour of the sphere as well as by the neighbouring number. The time serves as an offset from the terrain. The time slider is located in top left corner. It enables the settings of the date and also the period of visualised data. Visualised area belongs to the north-eastern part of the Czech Republic near Ostrava city that is one of the highly affected areas. See ’Additional file 2’ for a short example.

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