London // Posts tagged as "London"
Pigeon Sim- A fresh way to interact with urban data?
Thanks to an Xbox Kinect, Google Earth and some programming wizardry from UCL CASA researcher George MacKerron it is now possible to fly over London. The video below shows “Pigeon Sim” which has been developed to offer a fresh way of interacting with London’s urban data. Using Peter-Pan like arm gestures (above) users can ...
Sensing the City: Mapping London’s Population Flows
I recently had the pleasure of presenting at the first Data Visualisation London Meetup event where I spoke about some of work we do at UCL CASA. A fair chunk of the slides were movies so I thought it best to stick them in a blog post. If you like what you see you can ...
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 patterns I wondered how well they applied to the international communities living in London. The graphic above shows the spatial ...
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 this respect). To illustrate this I have taken data for 3.2 million journeys from ...
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 hadn’t yet seen one from the R community (feel free to suggest some ...
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 of a flood in ...
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 open (and often more accurate) map of London (and the ...
Mapping London’s Population Change 1801-2030
Buried in the London Datastore are the population estimates for each of the London Boroughs between 2001 – 2030. They predict a declining population for most boroughs with the exception of a few to the east. I was surprised by this general decline and also the numbers involved- I expected larger changes from one year to ...
18th Century Congestion Charging
Paying to use London’s roads is not a new idea. I have just come across a map showing turnpike gates (tolls) which were like the 18th Century equivalent of congestion charging. Instead of a single zone there appear to have been 16, each demanding a fee. It is unclear whether cyclists and taxis were exempt ...
Spin Off Tube Maps
I am currently reading Denis Wood’s excellent “Rethinking the Power of Maps“. In it he draws attention to Geoff Marshall‘s silly underground maps project. The project, and subsequent legal challenge from TFL, had completely passed me by. The website (now hosted here) contains as series of excellent spin off maps from Harry Beck’s famous original. ...
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