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Weather effects generator for simulation systems

  • US 5,926,401 A
  • Filed: 01/28/1997
  • Issued: 07/20/1999
  • Est. Priority Date: 10/29/1993
  • Status: Expired due to Fees
First Claim
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1. A method of using a computer to provide frames of display data representing weather conditions based on real-world weather data, for use in rendering a three-dimensional display comprising the steps of:

  • accessing a real-world weather database to obtain a three-dimensional set of data elements, each data element having at least a location value and a liquid water content value;

    accessing field-of-view data representing a current field-of-view for a current frame;

    culling said data elements to determine which are within said field-of-view, to obtain a set of field-of-view data elements;

    sorting said field-of-view data elements to form a list of data elements in depth order;

    assigning a graphics primitive to each of said field-of-view data elements; and

    covering an image plane with said graphic primitives.

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