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Navigation apparatus with shape change display function

  • US 5,999,879 A
  • Filed: 04/18/1997
  • Issued: 12/07/1999
  • Est. Priority Date: 04/26/1996
  • Status: Expired due to Term
First Claim
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1. A navigation apparatus comprising:

  • a recording medium having recorded therein at least map data including road data, and shape data characterizing at least an object which is included in said map data and serves as a main object for recognizing a feature of a map;

    an image forming unit for forming image information for generating a perspective image obtained when a map segment is seen from a desired viewing point, based on said map data and said shape data;

    a display unit for displaying the image information formed by said image forming unit; and

    a control unit for controlling said recording medium, said image forming unit, and said display unit; and

    a shape data changing unit;

    wherein said control unit controls said shape data changing unit to change at least a part of said shape data based on at least said map data, and also controls said image forming unit to form the perspective image based on said map data, said shape data, and shape data changed by said shape data changing unit.

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