Pathway information display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 19, 2006
app pub date -
May 28, 2003
filing date -
May 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A spring layout system or the like is then executed to nodes (A to U in FIG. 10) and edges (e.sub.1 to e.sub.15) defined in a binary relation model database to thereby automatically draw a graph. Nodes are replaced by rings and edges are replaced by springs, and a layout is calculated so that forces of the springs (a repulsive force and an attractive force) acting on the rings can realize a minimum energy state of the system. Node coordinate positions are determined based on the calculated forces, and the nodes and the edges are drawn in the form of a graph. The 'repulsive force' is a force generated between every pair of nodes present within a certain distance, and the nodes are dispersed and overlaps of nodes are removed by the repulsive force. The 'attractive force' is a force generated between every pair of nodes present within the certain distance. The nodes connected to each other by edges by the attractive force are closer to each other. Therefore, relevant nodes can be made closer and easily discriminated from irrelevant nodes.
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