Computer generated visualisation, whilst a relatively new subject area has its roots in a long historical tradition of representing information using pictures in ways that combine art, science and statistics. This partial visual history includes the development of maps, astronomy, statistical graphics and computers. Further references and sources are given at the end of this section to enable you to develop your own research.

Aggregate Map Tools is a set of PHP and JavaScript code, used with Google Maps, that makes it easy to aggregate multiple spatially close data points into one marker on the map, preventing the map from being overrun with many markers close together.

A zoomable paper map of London