Using multiple levels of costs for a pathfinding computation
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
Nov 25, 1996
filing date -
Nov 25, 1996
priority date (Note) -
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Abstract
A system for computing a path in a processor readable representation of a network which can minimize an identified cost. The cost can include time, distance, tolls paid, ease of turning, quality of scenery, processing time, waiting time, etc. A user of the pathfinding system can choose one or more categories of elements to avoid. For example, the user may want to avoid toll roads in a map of roads. The costs associated with the elements to avoid includes at least two levels of representation. The two levels of representation include a first level and a second level such that the second level is superior to the first level. The pathfinding system will determine a path which minimizes costs.
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