Navigation method, in particular for vehicles
First Claim
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1. Navigation method, in particular for leading a user in a vehicle back to a determined route without recalculating the route on the basis of necessary map material, comprising the steps of:
- determining a route from a starting point to a destination;
storing the determined route;
determining the current position; and
indicating direction information corresponding to the route if the current position is on the route, otherwise;
determining a first position on the route that is closest to the current position;
determining a second position on the route that follows the first position;
selecting the first position as suitable position for returning to the route if the distance from the current position to the second position is longer than the distance from the first position to the second position, otherwise selecting the second position as suitable position for returning to the route; and
indicating the direction leading back to the route, wherein this direction is derived from the current position and the selected one of the first or second positions.
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Abstract
The invention relates to a navigation method, in particular for vehicles, in which a route (R) from a starting point (z1) to a destination (zn) is determined and stored, in which the current position (z(t)) is determined, and in which direction information corresponding to the route (R) is indicated. In order to allow the user to be guided to his destination, if he leaves the route, without using map material, the invention provides for a direction which leads back to the route to be indicated, if the current position is not on the route.
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Citations
15 Claims
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1. Navigation method, in particular for leading a user in a vehicle back to a determined route without recalculating the route on the basis of necessary map material, comprising the steps of:
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determining a route from a starting point to a destination;
storing the determined route;
determining the current position; and
indicating direction information corresponding to the route if the current position is on the route, otherwise;
determining a first position on the route that is closest to the current position;
determining a second position on the route that follows the first position;
selecting the first position as suitable position for returning to the route if the distance from the current position to the second position is longer than the distance from the first position to the second position, otherwise selecting the second position as suitable position for returning to the route; and
indicating the direction leading back to the route, wherein this direction is derived from the current position and the selected one of the first or second positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification