More Reading: Focus+Context A Review and Taxonomy of Distortion-Oriented Presentation Techniques. Y.K. Leung and M.D. Apperley, ACM Transactions on Computer-Human Interaction, Vol. 1, No. 2, June 1994, pp. 126-160. http://www.ai.mit.edu/people/jimmylin/papers/Leung94.pdf Nonlinear Magnification Fields. Alan Keahey, Proc InfoVis 1997 ftp://ftp.cs.indiana.edu/pub/tkeahey/papers/infovis.97.pdf The Hyperbolic Browser: A Focus + Context Technique for Visualizing Large Hierarchies. John Lamping and Ramana Rao, Proc SIGCHI '95. http://citeseer.nj.nec.com/lamping95focuscontext.html H3: Laying Out Large Directed Graphs in 3D Hyperbolic Space. Tamara Munzner, Proc InfoVis 97. http://graphics.stanford.edu/papers/h3 SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation. Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002. ftp://ftp.cs.umd.edu/pub/hcil/Reports-Abstracts-Bibliography/2002-05html/2002-05.pdf 63