Arc Diagram - Charles Kitchton Design LLC

Arc Diagram

The arc diagram is a series of nodes placed on a linear scale. Arcs represent connections or relationships to the nodes. The arcs can have various stroke weights to represent strength. The arcs can be color coded as well for easier observation.

Arc Diagram Pros

parts of an arc diagram — A simple arc diagram displaying three nodes and arcs that link the nodes.

An Arc Diagram Example

Arc diagram, duluth flights — Cities served by Duluth Airport.The large dotted arc represents seasonal flights. This diagram also displays the cities served by Duluth relation with each other. There are many flights between Chicago and Minneapolis, but fewer between Chicago and Ft. Meyers.

Arc Diagram Cons

Cluttered arc diagram — A major drawback using arc diagrams is they can become cluttered and hard to read. This can also occur when there are too many nodes. Care should be taken with color schemes as well. Certain color combinations such as dark red on a black background can be hard to see.

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