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Map display device, a memory medium and a map display method

  • US 20010024203A1
  • Filed: 03/19/2001
  • Published: 09/27/2001
  • Est. Priority Date: 03/21/2000
  • Status: Active Grant
First Claim
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1. A map display device, comprising:

  • memory means for storing polygon map data;

    drawing processing control means for drawing a polygon map by reading the polygon map data from the memory means; and

    display means for displaying an output from the drawing processing control means, wherein the drawing processing control means is equipped with a function for determining a unit of a polygon map that should be drawn and draws a polygon map of the determined unit to distinguish between a plurality of unit levels.

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