Method and apparatus for logical zooming of a directed graph
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United States of America Patent
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Aug 20, 2002
Grant Date -
N/A
app pub date -
Dec 6, 1999
filing date -
Mar 3, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A directed graph is logically zoomed, whereby the appearance of a node directly related to a target node can be exaggerated and the structure of an entire graph can be readily understood. A directed graph is used in which hierarchical nodes are connected by arcs. In the directed graph, a node that has a predetermined logical relationship with a selected node is displayed differently than are the other nodes. For example, a displayed node logically near the selected node is large, while a displayed node logically distant is small, or the node logically near the selected node is moved closer to the selected node.
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