Method for deriving pixel color using steradians

CAFC
  • US 8,614,710 B2
  • Filed: 08/22/2011
  • Issued: 12/24/2013
  • Est. Priority Date: 08/22/2011
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for deriving a pixel color comprising the steps of:

  • a computer calculating a first position vector for a geometric graphic object;

    a computer calculating a particular steradian region of space;

    a computer calculating a particular steradian radius of said steradian region of space;

    a computer calculating that said first position vector is located in said particular steradian region of space;

    a computer calculating a second position vector for a geometric graphic object;

    a computer calculating that said second position vector is located in said particular steradian region of space;

    a computer calculating a length of said first position vector;

    a computer calculating a length of said second position vector;

    a computer comparing said first length to said second length;

    for a first pixel, a computer deriving a pixel color for said first position vector from a result of said length comparison;

    for a second pixel, a computer deriving a pixel color for said second position vector from a result of said length comparison.

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