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Posted by on Dec 11, 2014 in London, Visualisation | 0 comments

OpenStreetMappers of London

OpenStreetMappers of London

This is a slightly edited cross post from Oliver O’Brien’s Suprageography blog. It offers a behind the scenes look at one of the graphics we created for the opening essay in London: The Information Capital. From Ollie: I contributed a number of graphics to LONDON: The Information Capital, a book co-written by Dr James Cheshire, also of UCL Geography. Two of my graphics that made it into the book were based on data from OpenStreetMap, a huge dataset of spatial data throughout the world. One of the graphics, featured in this post, forms one of the chapter intro pages, and colours all the roads, streets and paths in the Greater London Authority area (around 160,000 “ways” which are discrete sections of road/path) according to the person who most recently updated them. Over 1500 indivdual users helped create and refine the map, and all are featured here. I was pleased to discover I was the 21st most prolific, with 1695 ways most recently modified by myself at the time that...

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Posted by on Jan 2, 2011 in Resources, Visualisation | 1 comment

Geographical Mistakes: Keeping Geographers Busy

Geographical Mistakes: Keeping Geographers Busy

This is a cross post from Hodder Geography’s Expert Blog. As geographers we try to better understand the world, and I believe one of our most important skills is the ability to apply a map’s representation of the world to reality. This can range from basic navigation using a paper map to understanding the impacts that climate change will have on people if model predictions are correct. That’s not to say we don’t ever make mistakes. Some are amusing, whilst others can have serious implications. Google, for example, have accidentally become involved in the dispute between Nicaragua and Costa Rica by drawing an incorrect border between the two countries. Google’s maps get scrutinised by thousands of people each hour so mistakes are unlikely to go unnoticed. The city of Sunrise in Florida, for example, was lost on Google Maps. This caused a great deal of concern for residents, one local commented, “It felt like a bizarre novel…We woke up one morning and we didn’t exist in the ether world!”....

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