London // Posts tagged as "London"
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. ...
Time Travel Explorer London
I have recently purchased the slimline version of the Time Travel Explorer (TTX) London iPhone App. There are two versions available: the slimline version (cost £1.79) or the pro version cost (£5.49). The prices sit neatly either side of the Lonely Planet Guide to London app (cost £3.49). This is relevant because both can be ...
Sound Maps
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Sound maps are nothing new but they are becoming increasingly popular as technology (such as Google Maps and Audioboo) are making their creation much easier. My interest in these stems from the Sounds Like Leigh-On-Sea project my brother is creating of our hometown (map below). View Sounds Like Leigh-on-Sea in a larger map There are ...
A day in the life of the London Cycle Hire scheme.
For the past few days I have been taking screen shots of Oliver O’Brien’s hugely popular London Cycle Hire Status Map. How the map works is explained on Ollie’s blog. I have picked 24 hours (from midnight Tuesday 10th to midnight Wednesday 11th) to demonstrate the flows of people in and out of London. Nothing ...
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