Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1998-04-14
2000-05-02
Breene, John E.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
345355, G06F 500
Patent
active
060578432
ABSTRACT:
For visualizing on a two-dimensional screen a hierarchical information structure that is based on nodes interconnected by edges, first an actual root node is selected. The root node is visualized on the screen as a fisheyed representation of a root node block. Downstepping will at one or more next-lower hierarchical levels select a descendant node of the actual root node for display. At each downstepping the representation is divided along alternatingly at least a first and a second coordinate direction into lower level visual slices, of which the selected descendant is placed in a central part of the fisheye. Finally, access is allowed to at least one node of the graph whose image is displayed within the actual fisheye.
REFERENCES:
patent: 5546529 (1996-08-01), Bowers et al.
patent: 5555354 (1996-09-01), Strasnick et al.
patent: 5786820 (1998-07-01), Robertson
Published in Human Factors in Computing Systems, "Generated Fisheye Views", George W. Furnas, CHI 1986.
Peeters Erik A. J.
Schoonen Jaco W.
Van Overveld Cornelis W. A. M.
Breene John E.
Nguyen Cao H.
Thorne Gregory L.
U.S. Philips Corporation
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