GVU Technical Report Number:
GIT-GVU-00-12
Title:
Focus+Context Display and Navigation Techniques for Enhancing Radial,
Space-Filling Hierarchy Visualizations
Authors:
John Stasko
Eugene Zhang
Abstract:
Radial, space-filling visualizations can be useful for depicting
information hierarchies, but they suffer from one major problem. As the
hierarchy grows in size, many items become small, peripheral slices that
are difficult to distinguish. We have developed three
visualization/interaction techniques that provide flexible browsing of
the display. The techniques allow viewers to examine the small items in
detail while providing context within the entire information hierarchy.
Additionally, smooth transitions between views help users maintain
orientation within the complete information space.
Keywords:
Circular/radial displays, focus+context, overview and detail, animation,
hierarchy visualizations
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