Cartographic animation is the incorporation of graphic art that occurs in time. Animation provides is a dynamic visual statement that evolves through various interval changes in the display. Using this type of mapping would allow viewers to observe changes in data over a period of time in a striking way. You could depict how an important battle proceeded, how railroads spread across the country, and how trade developed along them. These are just two examples. The map above shows how rainfall has changed in this portion of Africa over a period of years. (wait for animation to load).
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