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Simplified traffic information generation method and apparatus

  • US 20040220727A1
  • Filed: 03/12/2004
  • Published: 11/04/2004
  • Est. Priority Date: 09/13/2001
  • Status: Abandoned Application
First Claim
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1. A method of producing traffic information, said information being simplified geometry traffic information having event information displayed on a deformed map based on road geometry data representing a road section on a digital map by data row information, and event information data representing the location of an event based on a relative location in said road section, said method comprising the steps of:

  • setting in advance the association between each link or each node on said digital map and an element forming an event presenting unit on said deformed map;

    carrying out map matching between said road geometry data and digital map data, thereby specifying said road section on said digital map;

    specifying a link or a node on said digital map corresponding to the location of the event based on said event information data and the digital map data for said road section; and

    determining said element that displays event information based on said event information data on said deformed map according to said association set in advance for the link or node.

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