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Determining elevation values in a geocoding system

  • US 7,526,379 B2
  • Filed: 12/28/2006
  • Issued: 04/28/2009
  • Est. Priority Date: 12/28/2006
  • Status: Active Grant
First Claim
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1. A method of determining elevation values using a geocoding system having a segment data set, comprising the steps of:

  • inputting a location into said geocoding system;

    determining a closest segment in said data set to said location;

    accessing a data set of elevation data for said closest segment;

    determining segment elevation values for each of two segment elevation points associated with said closest segment;

    determining an elevation value of said location based on interpolation of said location in relation to each said two segment elevation points and said segment elevation values; and

    ,outputting said elevation value for said input location.

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