Deceptive in their Beauty?

  Finding ways to effectively map population data is a big issue in spatial data visualization.  The standard practice uses choropleth maps that simply col...

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 (althou...

Mapped: Christmas Around the World

It would be a shame to end the year without a festive map! Jack Harrison (@jacksfeed) is studying for a research masters in “Advanced Spatial Analysis and...

The Best of 2011

As 2011 draws to a close it is worth reflecting on what, I think, has been a defining year for mapping and spatial analysis. Geographic data have become open, b...

Just how far can the Tube take you?

Transport for London have just released their performance data (link here) for the London Underground network. It is in the form of a really detailed file that ...

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 ...

Mapping Academic Tweets

Another day, another Twitter map- this time showing the global distribution of tweets that link to academic journal articles. I am always a bit skeptical of Twi...

Improved Tree Maps with R

“Treemaps display hierarchical (tree-structured) data as a set of nested rectangles. Each branch of the tree is given a rectangle, which is then tiled wit...