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Navigable topological maps

  • US 10,176,729 B2
  • Filed: 01/02/2018
  • Issued: 01/08/2019
  • Est. Priority Date: 06/03/2010
  • Status: Active Grant
First Claim
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1. A method of providing location-based information comprising:

  • providing a map-to-scale database which may be used to generate a map-to-scale depiction of a geographic region and a plurality of physical features therein with geographic accuracy and scaling, and may be further used to calculate routes and generate route guidance between two or more locations within the geographic region, the map-to-scale database further including location-related information, the location-related information being associated with a first set of locations within the geographic region, the location-related information comprising data related to the plurality of physical features located at or near each location of the first set of locations, the location-related information further comprising depicted location-related information that would be depicted within the map-to-scale depiction and non-depicted location-related information that would not be depicted within the map-to-scale depiction, wherein the non-depicted location related information comprises information which may be used calculate a route between locations of the first set of locations and provide route guidance there between;

    providing a topological map not derived from the provided map-to-scale database, the topological map depicting a second set of locations, a subset of which are also included in the first set of locations for which the map-to-scale database includes location-related information associated therewith;

    receiving into a computing device a query for the location-related information from the map-to-scale database for a particular route between an origin location and a destination location within the subset of the second set of locations depicted by the topological map;

    determining, based on the particular route specified by the received query, the locations in the first set of locations corresponding to the origin location and destination location;

    accessing, by the computing device, the location-related information in the provided map-to-scale database associated with the determined locations, the accessed location-related information including both depicted and non-depicted location-related information, and calculating a route from the origin location to the destination location based thereon; and

    displaying, by the computing device, the calculated route with respect to the origin and destination locations specified by the received query in the provided topological map.

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