Flow map


In cartography, flow maps 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".

Overview

Flow maps can be used to show movement of almost anything, such as:
In contrast to route maps, flow maps show little aside from the paths from one point to another.

Other types of flow maps

Beside the flow maps in cartography there are several other kind of flow maps: