Treemap of soft drink preference in a small group of people. Color and gradients are used to group items, while still identifying individual items. Treemap showing changes in waiting times for patients of English PCTs .
Software > Space Filling or Treemap Algorithm Description | Pros and Cons | Applications | Details | Usage Hints | References | Acknowledgments Tracing its ancestry to Venn diagrams ( Venn,1971 ), the Treemap algorithm was developed in the HCI Lab at the University of Maryland .
This is a comparison table of treemapping software packages and web services . [ edit ] Commercial packages & services [ edit ] Free web services IBM Many Eyes is website offering simple and free visual data analysis including treemapping.
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