Random Etc. Notes to self. Work, play, and the rest.
TimeContours
Nicholas Street, a recent MEng Computer Science graduate from Imperial College London, posted last week to the mysociety maps mailing list about his final year project work, TimeContours: Using isochrone visualisation to describe transport network travel cost.
His work includes a comparison with my own maps, which he says are "effective prototype implementations, but the unfamiliar unlabelled layout makes it difficult to relate to the underground". Touché! To his credit, Nicholas addresses almost all the deficiencies of my tube maps with his own software and goes significantly further in implementing the same kind of analysis for other transport networks (even including an example of using street data from my friends at OpenStreetMap).
His approach and background reading are covered in detail so the final paper will be a great resource for people working in this area in the future. I do hope he finds time to release the software for us all to use too. As well as the more traditional academic and print references, it's nice to see a hat tip to people putting their thoughts and experiments online such as myself, Rod and Oskar. Whilst a blog is no substitute for peer review and academic rigour, I strongly believe that the more of these ideas we share then the better all our work will become.
MySociety Travel Time maps of the UK
MySociety's Travel Time maps of the UK take a more rigourous and comprehensive look at the same kind of ideas I was exploring with my Travel Time Tube Map (and contours). Lovely results!
Tube Travel Contours
A variation on the tube map time travel applet, this version maintains the geographical layout but adds contours to show how long it takes to travel between stations. The contouring method isn't quite right (I should have used 1D textures), but it's good enough to experiment with.
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