четверг, июля 05, 2012

Transit Tweets on Google Maps


Transid's RER Tweet Map is a heat map of over 4,000 Tweets in Paris that mention the RER (Paris' rapid transit system).

The map uses the new HeatMap layer in the Google Maps API. This visualisation of the Tweets quickly reveals that (maybe unsurprisingly) that many people mention RER when they are at a station or when on a train.

The map includes a number of options that allow you to adjust the display of the HeatMap layer on the map. The Google Maps API gives developer options to adjust the radius of data points, the opacity of the layer and the colors used. Transid's RER Tweet Map has created buttons to allow the users to change these elements themselves to adjust how the heat map displays on the map.

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