London in Motion

This animation, produced by Jay Gordon, does a great job of capturing the daily flows of London’s commuters. It combines the 16 million or so daily transactions made with London’s Oyster cards with vehicle-location data from the cityR...


Mapped: Twitter Languages in London

  [zoomit id=”IIY6″ width=”auto” height=”400px”] **Update: You can see a new fully-interactive version here** Last year Eric Fischer produced a great map (see end of post) visualising the language communities ...


The Twitter Languages of London

Last year Eric Fischer produced a great map (see below) visualising the language communities of Twitter. The map, perhaps unsurprisingly, closely matches the geographic extents of the world’s major linguistic groups. On seeing these broad patte...


London Cycle Hire and Pollution

As a cyclist in London you can do your best to avoid left turning buses and dozy pedestrians. One thing you can’t really avoid though is pollution (although I accept cyclists probably aren’t much worse off than pedestrians and drivers in ...


Great Maps with ggplot2

The above map (and this one) was produced using R and ggplot2 and serve to demonstrate just how sophisticated R visualisations can be. We are used to seeing similar maps produced with conventional GIS platforms or software such as Processing but I ha...


The Power of Comparison: Just How Big Is It?

  If I said a country was 1594719800 metres squared it would mean a lot less to you than if I said it was about the size of Greater London (so long as you know about how big Greater London is). For this reason the media tend to report the extent...


OpenStreetMap: 5 Years of Mapping London

This week I am giving a talk on some of the London maps that we produce in CASA. The hours of work I put in to such maps is minuscule compared to the amount of effort and time that the OpenStreetMap community have invested in producing a truly ope...



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