DOITrees revisited: scalable, space-constrained visualization of hierarchical data

  • Authors:
  • Jeffrey Heer;Stuart K. Card

  • Affiliations:
  • University of California, Berkeley, CA;Palo Alto Research Center, Palo Alto, CA

  • Venue:
  • Proceedings of the working conference on Advanced visual interfaces
  • Year:
  • 2004

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Abstract

This paper extends previous work on focus+context visualizations of tree-structured data, introducing an efficient, space-constrained, multi-focal tree layout algorithm ("TreeBlock") and techniques at both the system and interactive levels for dealing with scale. These contributions are realized in a new version of the Degree-Of-Interest Tree browser, supporting real-time interactive visualization and exploration of data sets containing on the order of a million nodes.