A treemap is a hierarchical chart; it shows how the parts of hierarchy compare in size to each other. Examples of useful hierarchies might include an organization chart, or a product portfolio, or disk usage. This treemap implementation features:
Enter your data in one of two different data formats: “name list”, and articulate the full hierarchy, or “id/parent”, and give a pair of names in just two columns
Optionally, set the size for each cell proportionate to its value
Optionally, set the color for each cell proportionate to a value.
Sample data showing how the visualization works
Click through to our page to learn more about the history and authorship of streamgraphs. We are distributing this research visualization to help us can learn about how people interact with new types of visualizations; we would love to hear your feedback at our forums.