Flow maps show the actual paths of entities across a surface and the intensity of travel along their various paths. They are also used to illustrate different highly idealized locations of a specific travel path. Some common uses of flow maps are, traffic flow maps, social networking maps and air travel maps. Flow maps will use various line thicknesses to illustrate numbers of data shown. The flow map shown here is illustrating proposed 2006 satellite office locations by using thick yellow lines traveling from one location to another from the office headquarters. This is the main pattern of interest for flow maps, in that they are mainly used to show patterns of different travel and usage of various things in different locations.
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