CIRCUMFERENCE SEARCH METHOD FOR SETTING PATH AND NAVIGATION SYSTEM
First Claim
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1. A vicinity search method for route setting, the vicinity search method comprising:
- retrieving a route between a start point and a destination;
retrieving a facility with respect to at least one category based on the retrieved route according to a command of a user; and
displaying the retrieved facility for each category on the retrieved route.
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Abstract
The present invention relates to a navigation system and vicinity search method for route setting to retrieve a facility around a route and set an intermediate point through a vicinity search. The vicinity search method for route setting, the vicinity search method including: retrieving a route between a start point and a destination; retrieving a facility with respect to at least one category based on the retrieved route according to a command of a user; and displaying the retrieved facility for each category on the retrieved route.
7 Citations
19 Claims
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1. A vicinity search method for route setting, the vicinity search method comprising:
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retrieving a route between a start point and a destination; retrieving a facility with respect to at least one category based on the retrieved route according to a command of a user; and displaying the retrieved facility for each category on the retrieved route. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A computer-readable recording medium storing a program for implementing a vicinity search method for route setting, comprises:
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retrieving a route between a start point and a destination; retrieving a facility with respect to at least one category based on the retrieved route according to a command of a user; and displaying the retrieved facility for each category on the retrieved route.
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19. A navigation system, comprising:
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a user interface to input, by a user, a facility retrieval command with respect to at least one item; a storage unit changing a grid unit of a national map to a bit of 2n byte and storing grid information of a facility for each category as information in bits; and a control unit retrieving a facility based on a route between a start point and a destination using the information in bits stored in the storage unit and displaying the retrieved facility on the retrieved route for each category.
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Specification