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Flow maps in cartography are a mix of maps and flow charts, that "show the movement of objects from one location to another, such as the number of people in a migration, the amount of goods being traded, or the number of packets in a network".〔Doantam Phan (2005). (Flow Map Layout ) Stanford University InfoVis 2005 〕 == Overview == Flow maps according to Harris (1999) "can be used to show movement of almost anything, including tangible things such as people, products, natural resources, weather, etc, as well as intangible things such as know-how, talent, credit of goodwill". Flow maps can indicate things like:〔 Robert L. Harris (1999). ''Information Graphics''. p.157.〕 * What it is that flows, moves, migrates, etc. * What direction the flow is moving and/or what the source and destination are. * How much is flowing, being transferred, transported, etc. * General information about what is flowing and how it is flowing. In contrast to route maps, flow maps show little aside from the paths from one point to another.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Flow map」の詳細全文を読む スポンサード リンク
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