PhylloTrees - Phyllotactic Patterns for Tree Layout

Researchers

Summary

We explore the use of nature’s phyllotactic patterns to inform the layout of hierarchical data. These naturally occurring patterns provide a non-overlapping, optimal packing when the total number of nodes is not known a priori. PhylloTrees are a family of expandable tree layouts that we developed based on these patterns.

Examples


A random balanced tree with 105.100 nodes.

Unbalanced tree showing a weblog file from the University of Maryland.

Unbalanced tree showing 190.000 nodes of the animal kingdom.

Applet

This applet shows how to influence a phyllotactic pattern.

Publications

Petra Neumann, Sheelagh Carpendale, and Anand Agarawala (2006) PhylloTrees: Phyllotactic Patterns for Tree Layout. In Dieter Fellner, Torsten Möller, and Stephen Spencer, eds., Proceedings of Eurographics / IEEE VGTC Symposium on Visualization (EuroVis 2006, May 8–10, 2006, Lisbon, Portugal). Eurographics, Aire-la-Ville, pages 59–66, 365, 2006.
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BibTeX entry:



@INPROCEEDINGS{Neumann:2006:PPP,
  author      = {Petra Neumann and Sheelagh Carpendale and Anand Agarawala},
  title       = {PhylloTrees}: {P}hyllotactic {P}atterns for {T}ree {L}ayout,
  booktitle   = {Proceedings of Eurographics\ /\ IEEE VGTC Symposium on Visualization (EuroVis\ 2006, May 8--10, 2006, Lisbon, Portugal)},
  series      = {Eurographics Workshop Series},
  OPTeditor   = {Dieter Fellner and Torsten M{\"o}ller and Stephen Spencer},
  year        = {2006},
  pages       = {59--66, 365},
  publisher   = {Eurographics},
  address     = {Aire-la-Ville},
  doi         = {10.2312/VisSym/EuroVis06/059-066},
  doi_url     = {https://doi.org/10.2312/VisSym/EuroVis06/059-066},
  url2        = {http://innovis.cpsc.ucalgary.ca/research/phyllotrees/},
  pdf         = {../publications/papers/Neumann_2006_PPP.pdf},
}

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