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INFOVIS
2005
IEEE

Interactive Visualization of Genealogical Graphs

9 years 8 months ago
Interactive Visualization of Genealogical Graphs
The general problem of visualizing “family trees”, or genealogical graphs, in 2D, is considered. A graph theoretic analysis is given, which identifies why genealogical graphs can be difficult to draw. This motivates some novel graphical representations, including one based on a dual-tree, a subgraph formed by the union of two trees. Dual-trees can be drawn in various styles, including an indented outline style, and allow users to browse general multitrees in addition to genealogical graphs, by transitioning between different dual-tree views. A software prototype for such browsing is described, that supports smoothly animated transitions, automatic camera framing, rotation of subtrees, and a novel interaction technique for expanding or collapsing subtrees to any depth with a single mouse drag. CR Categories: I.3.6 [Computer Graphics]: Methodology and Techniques—interaction techniques; G.2.2 [Discrete Mathematics]: graph theory
Michael J. McGuffin, Ravin Balakrishnan
Added 25 Jun 2010
Updated 25 Jun 2010
Type Conference
Year 2005
Where INFOVIS
Authors Michael J. McGuffin, Ravin Balakrishnan
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