IS428 AY2019-20T1 Assign Lee Cheng Leng Visualisation 1
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VAST 2019 MC2: Citizen Science to the Rescue
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Dashboard 1: Overview of Radiation Levels in St. Himark
Component 1: Radiation Concentration Map
Purpose
- Shows the radiation concentration levels over time, with the radiation levels reflected from the mobile sensor data.
- Allows user to identify neighbourhoods with high radiation concentration
Description
- Mobile sensor data was chosen for this visualisation as it had higher coverage over the various St. Himark neighbourhoods
- Density map is useful in showing the radiation "hot spots" at a glance - if radiation levels are higher in the neighbourhood, the opacity and intensity of the spots will increase.
Component 2: Static Sensor Heatmap
Purpose
- Shows the radiation levels reported by the static sensors
- Provides data to identify the radiation levels at the more crucial areas of St. Himark, such as the nuclear plant.
Description
- Uses colour intensity to clearly indicate sensors which are reporting high radiation levels
- The size range is adjusted such that readings below 75 are the smallest in size. This is because it is found that the maximum acceptable background radiation level is 75cpm.
