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Apparatus and method for three-dimensional terrain rendering

  • US 6,433,792 B1
  • Filed: 02/23/2000
  • Issued: 08/13/2002
  • Est. Priority Date: 09/29/1997
  • Status: Expired due to Term
First Claim
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1. A method of storing a terrain image in a data structure for subsequent display at a selected resolution, the method comprising the steps of:

  • (a) providing said terrain image in a plurality of said resolutions;

    (b) dividing each image into a plurality of tiles;

    (c) dividing each of the plurality of tiles into a plurality of picture elements;

    (d) storing the picture elements for subsequent display of the terrain image in at least one resolution; and

    (e) providing at least one pointer from a parent tile to a first of said plurality of said resolutions to a child tile of a second of said plurality of said resolutions, wherein said first of said plurality of said resolutions is of lesser detail than said second of said plurality of said resolutions.

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