Animated mapping

Animated mapping is the application of animation, either computer or video, to add a temporal component to a map displaying change in some dimension. Most commonly the change is shown over time, generally at a greatly changed scale (either much faster than real time or much slower). An example would be the animation produced after the 2004 tsunami showing how the waves spread across the Indian Ocean. Animated mapping is the application of animation, either computer or video, to add a temporal component to a map displaying change in some dimension. Most commonly the change is shown over time, generally at a greatly changed scale (either much faster than real time or much slower). An example would be the animation produced after the 2004 tsunami showing how the waves spread across the Indian Ocean. The concept of animated maps began in the 1930s, but did not become more developed by cartographers until the 1950s (Slocum et al. 2005). In 1959, Norman Thrower published Animated Cartography, discussing the use of animated maps in adding a new dimension that was difficult to express in static maps: time. These early maps were created by drawing 'snap-shots' of static maps, putting a series of maps together to form a scene and creating animation through photography tricks (Thrower 1959). Such early maps rarely had an associated scale, legends or oriented themselves to lines of longitude or latitude (Campbell and Egbert 1990). With the development of computers in the 1960s and 1970s, animation programs were developed allowing the growth of animation in mapping. Waldo Tobler created one of the first animations, using a 3-D computer generated map to portray population growth over a specified time in Detroit (Tobler 1970). Hal Moellering created another animated map in 1976 representing a spatiotemporal pattern in traffic accidents (Slocum et al. 2005).