Roger Tomlinson’s PhD: The first in GIS

The late Roger Tomlinson is considered the “Father of Geographic Information Systems” and he completed his PhD in the UCL Department of Geography in 1974. Tomlinson pioneered digital mapping – every map created using a computer today still...


Population Lines: How and Why I Created It

Thanks to the power of Reddit the “Population Lines” print (buy here) I created back in 2013 has attracted a huge amount of interest in the past week or so (a Europe only version made by Henrik Lindberg made the Reddit front page). Ther...


Mapping 5,000 Years of City Growth

I recently stumbled upon a great dataset. It’s the first to provide comprehensive data for world city sizes as far back as 3700BC. The authors (Meredith Reba, Femke Reitsma & Karen Seto) write: How were cities distributed globally in the p...


Mapping (historic) tracks in ggplot2

This tutorial was first published in “Geocomputation a Practical Primer“. Here is a more complex example showing how to produce a map of 18th Century Shipping flows. The data have been obtained from the CLIWOC project and they represent a...


Datashine: Mapping the UK Population

All the DataShine websites (except DataShine Election) are derived from a common codebase and use the OpenLayers 3 mapping platform to display a full-window slippy map, with user controls and key overlaid. DataShine Census DataShine ScotlandCommissio...


Mapping Flows in R

Last year I published the above graphic, which then got converted into the below for the book London: The Information Capital. I have had many requests for the code I used to create the plot so here it is! The data shown is the Office for National S...


DataShine Update

Back in June Oliver O’Brien and I launched an interactive census map called DataShine. It has been hugely successful with a core of regular users in addition to many visitors passing who want to learn more about their area or a specific datase...


Welcome to DataShine!

Last October I was fortunate enough to be awarded an ESRC “Future Research Leaders” grant. These run for up to 3 years and offer the opportunity for early career researchers to focus on their research interests and personal development ...


Introduction to Spatial Data and ggplot2

For those starting out with spatial data in R, Robin Lovelace and I have prepared this tutorial (funded as part of the University of Leeds and UCL Talisman project). Here we introduce a range of analysis skills before demonstrating how you can deploy...


Mapping Where We Live

Showing where we live is, of course, one of the oldest and most useful reasons to create a map. As we bask in the “Big Data” era, the trend for mapping population is increasing simply because there are more data points out there, the bul...



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