A couple of visualisations

I’ve shared a couple of COVID-19 website resources over the past little while. The Mathematics Geek in me really appreciates the efforts of other who are tracking the virus and sharing with us.

Today a couple more…


This is another world-wide visualisation. Instead of a snapshot at a particular time, it’s an animation that shows the spread world-wide. By pressing the play button on the bottom left, you can see the spread over time.

I’ve captured the world on February 24, 2020.

Beyond just playing the animation, you can pause the display and use the scrubber bar that appears at the bottom. That lets you view the animation at your speed and also lets you focus on a particular area or country to see where it hit there and how it spread.

Siouxsie Wiles & Toby Morris: What does ‘level two’ mean – and why does it matter?

From New Zealand and released under a Creative Commons license, is a discussion of the “level” system in use there. The details are interesting and also include the visualisation shown below.

It’s a simple demonstration where one person makes contact with just two people. If you’ve ever worked with binary trees, you’ll recognise it immediately. But wait – the second part of the animation shows the impact that an individual making a social connection decision can have on the spread.

For some people, they understand better with a visual approach. Both of these do a terrific job of sending a message.

2 thoughts on “A couple of visualisations

  1. Pingback: OTR Links 03/26/2020 – doug — off the record

  2. Pingback: My Week Ending 2020-03-29 – doug — off the record

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