Improvements of space-optimized tree for visualizing and manipulating very large hierarchies

Authors:
Quang Vinh Nguyen;Mao Lin Huang
Affiliations:
Faculty of Information Technology, University of Technology, Sydney, NSW, Australia;Faculty of Information Technology, University of Technology, Sydney, NSW, Australia
Venue:
VIP '02 Selected papers from the 2002 Pan-Sydney workshop on Visualisation - Volume 22
Year:
2003

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Abstract

This paper describes some improvements over the original Space-Optimized Tree technique for the visualization and manipulation of very large hierarchies. The new system uses an improved algorithm to calculate geometrical layouts and it also provides better navigation capability. We introduce our new layout algorithm that can make more consistence of the display than the original layout technique made. We also combine Dual View (a new focus+context technique) with the current modified semantic zooming in order to interactively navigate through the large and very large hierarchies.