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THE GEOHISTORICAL GRAPHING TOOL is an application I developed to display data sets within a given geographical location over time. The project came out of a conversation with scientists at the University of Minnesota in the spring of 2006 where I asked them what would was a tool that they needed but didn't have. The answer was that while there were many specialized graphing software, that a open source, indiscriminate data animation software could be valuable.

GHG was a reponse to that, which, in short, grabs quantitative information from excel spreadsheets and animates them as layers over any uploaded corresponding map image. The color and scale of each layer's coordinates are independently customizable, as are the playback speed, and chronological and geographic ranges for the animation. Any part of the animations could also then be exported as flash movies.

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