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Methods and apparatus for displaying a travel route and generating a list of places of interest located near the travel route

  • US 6,282,489 B1
  • Filed: 05/28/1993
  • Issued: 08/28/2001
  • Est. Priority Date: 05/28/1993
  • Status: Expired due to Term
First Claim
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1. A method for displaying a travel route, the method comprising the steps of:

  • providing a user interface for receiving user input;

    generating a bit-mapped image of a geographic region from vector data;

    displaying the bit-mapped image on a display monitor;

    generating a routing database from the vector data, the routing database having geographic information for roads and places within the geographic region;

    selecting, via the user interface, a departure point and a destination point geographically located within the geographic region;

    using the routing database generated from the vector data to generate a travel route between the selected departure point and the selected destination point; and

    displaying a video line, representing the travel route, on the display monitor over the bit-mapped image of the geographic region by drawing the video line through pixel points derived from the vector data.

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