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LINK-NODE MAPS BASED ON OPEN AREA MAPS

  • US 20100299065A1
  • Filed: 06/24/2010
  • Published: 11/25/2010
  • Est. Priority Date: 07/25/2008
  • Status: Active Grant
First Claim
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1. A method of generating geographic data for navigation-related functions, the method comprising:

  • obtaining a pre-existing image of a layout, the layout representing a real-world area in which a person moves about and wherein the pre-existing image include walls;

    using the pre-existing image to form a grid of contiguous tiles, wherein the grid has a shape that corresponds to a pedestrian-accessible contiguous sub-area within the real-world area and wherein the shape has a boundary that corresponds to the walls in the pre-existing image;

    generating a route from one point corresponding to the pre-existing image to another point corresponding to the pre-existing image based on the grid of contiguous tiles;

    creating a path segment record representing a portion of the generated route; and

    storing the path segment record in a geographic database, the path segment record configured to be retrieved to form a navigation route.

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