Monday, November 21, 2011

Flow Maps



Flow maps show the movement of objects or information across a specified area. Generally arrows are used to convey this movement, but this one takes a more three dimensional approach. Instead of arrows stretching across the United States, this map uses raised areas to represent the number of human cases of the West Nile Virus and colors to show the distance from the Mississippi River.



http://ftp.goldensoftware.com/products/mapviewer/images_M5product/PrismMap.gif

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