Sankey Diagram Tool

Sankeymatic builds on the open source tool d3 jsand its sankey library which are very powerful but require a fair amount of work expertise to use.

Sankey diagram tool. Sankeymatic unlocks the capabilities of the d3 sankey tool for anyone to use. The things being connected are called nodes and the connections are called links. About a sankey diagram is a type of flow diagram where the width of the arrows is proportion to the flow quantity. A sankey diagram or an energy flow diagram is a visualization used to depict a flow from one set of values to another.

This sankey diagram generator and the one before it utilises the d3 jsplugin by data visualization guru mike bostockof new york times fame. Just enter your data customize the diagram to your liking and download a finished product. Sankey diagrams are often used to represent primary energy flow in and out of a system while illustrating losses recovery streams the final useful energy. They communicate sources and uses of the resources materials or costs represented.

The key to reading and interpreting sankey diagrams is remembering that the width is proportional to the quantity represented. It is one of the most useful and difficult to create visualization in tableau i have written about how to create sankey diagrams in tableau. However some argue that an alluvial diagram visualizes the changes in the network over time as opposed to across different variables. The term alluvial diagram is generally used interchangeably.