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...
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R interface to Google Chart Tools
Hans Rosling eat your heart out! It is now possible to interface R statistics software to Google’s Gapminder inspired Chart Tools. The plots below were produced using...
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Exporting KML from R
Google Earth has become a popular way of disseminating spatial data. KML is the data format required to do this. It is possible to load almost any type of spatial data...
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Maps with ggplot2
The ggplot2 package offers powerful tools to plot data in R. The plots are designed to comply with the “grammar of graphics” philosophy and can be produced to a...
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Clipping a Surface By a Polygon
Background: A common function in standard GIS software enables users to create a raster surface and extract values or clip it based on a set of polygons. This may be...
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spatial.ly is written and curated by James Cheshire. James is a lecturer at the UCL Centre for Advanced Spatial Analysis where he researches, teaches and maps.