| 摘要 |
A method of incorporating points of avoidance into navigation instructions generated by a personal navigation device includes storing a plurality of points of avoidance into a memory of the personal navigation device, each point of avoidance having corresponding position coordinates, receiving a request from a user of the personal navigation device to provide navigation instructions to a destination, creating a route that avoids the points of avoidance, and providing navigation instructions to guide the user on the created route.
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