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Appendix: Fighting (with) Hierarchies – Presentation
Techniques II
By Gerd Waloszek, SAP
AG, SAP
User Experience
WebToc | Box Notations | Hyperbolic
Browser
See standard presentation techniques
This page shows examples of new presentation techniques for hierarchies. Some
one them are already available as commercial products.
WebToc
Applications
- Displays the contents of a web site, classified by type of information
Authors
- David Nation, Ben Shneiderman, a.o. (University of Maryland, HCIL)
Links
Remarks
- Participated in the browser competition

Box Notations
Treemap

Purpose
- Treemap is a hierarchy-viewing object that displays up to thousands of
elements at once showing multiple attributes. By recursively partitioning
an element's rectangle among its children, a treemap presents the "big picture" of
a hierarchy giving users X-ray vision into their mountains of data. Zooming,
enter/leave notification, select actions, and much more are supported.
Applications
- Display of large tree structures in WinSurfer (Windows)
or TreeViz (Macintosh) as found in Web sites
Authors
- Ben Shneiderman, a.o. (MIT)
Links
TreeViz

Basis
Applications
- Displaying the contents of a web site or directory structure, classified
by type of information (Macintosh version)
- See also: WinSurfer (Windows version)
Authors
- Ben Shneiderman, a.o. (University of Maryland, HCIL)
Links
WinSurfer

Basis
Applications
- Displaying the contents of a web site or directory structure, classified
by type of information
- See also: TreeViz (Macintosh version)
Authors
- Ben Shneiderman, a.o. (University of Maryland, HCIL)
Links
Remarks
- Participated in the browser competition
Hyperbolic Browser
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Figure 1: An older version of the
hyperbolic browser
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Figure 2: An older implementation of the hyperbolic
browser, marketed by InXight
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Figure 3: Current implementation
of the hyperbolic browser, marketed by InXight and called star tree;
click image for larger view |
Purpose
- Focus+Context technique for displaying large tree structures. The current
node is displayed enlarged while peripheral nodes are displayed smaller but
still provide the context for the current node. A geometric transformation
into the hyperbolic plane and then into a circle is used for this purpose.
Applications
- Display of large tree structures, such as directory trees, web site structures
etc.
Commercial Marketing
- Now marketed by InXight, a Xerox offspring
Authors
- Lamping, J., Rao R. & Pirolli, P. (1995). A focus+context technique
based on hyperbolic geometry for visualizing large hierarchies. Proc.
ACM CHI '95 Conference, 401-408.
- Rao, R. & Card, S.K.(1994). The table lens: Merging graphical and symbolic
representations in an interactive focus+context visualization of tabular
information. Proc. ACM CHI '94 Conference, 318-322.
Links
Remarks
- Participated in the browser competition (winner)
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