Treemapping

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Treemap of soft drink preference in a small group of people. Color and gradients are used to group items, while still identifying individual items. Treemaps display hierarchical (tree-structured) data as a set of nested rectangles.

Treemapping - Wikipedia, the free encyclopedia

http://en.wikipedia.org/wiki/Treemapping
http://iv.slis.indiana.edu/sw/treemap.html Description Tracing its ancestry to Venn diagrams ( Venn,1971 ), the Treemap algorithm was developed in the HCI Lab at the University of Maryland . It uses a space filling technique to map a tree structure (e.g. file directory) into nested rectangles with each rectangle representing a node.

InfoVis CyberInfrastructure- Space Filling or Treemap Algorithm

List of treemapping software - Wikipedia, the free encyclopedia

http://en.wikipedia.org/wiki/List_of_treemapping_software Excel , Access , CSV , MySQL , MS SQL , Oracle , IBM DB2 , Sybase ASE , XML (Enterprise Edition only), any ODBC/JDBC data sources (Enterprise Edition only) Web publication requires Web Viewer Edition and own server. Enterprise Edition includes integration, live streaming data and interface customization options. Price based on Standard Edition.
http://www.hivegroup.com/

The Hive Group

“In an uncharted world of boundless data, information designers are our new navi- gators. ...The Hive Group, a software company that uses tree mapping to help...”
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