Patent ID: 6900804
Filing Date: 2005-05-31
Classification: G06T

Abstract:
1. A method of forming a polygon image, comprising the steps of: obtaining a plurality of polygons having normal line data as apex data and constituting a model; sorting the plurality of polygons into polygons of a first color part and polygons of a second color part along a boundary line between said first and second color parts, according to the direction of a light source and normal lines of the plurality of polygons; dividing polygons intersecting the boundary line along the boundary line; sorting the divided polygons into polygons of the first color part and polygons of the second color part along the boundary line according to the direction of a light source and normal lines of the divided polygons; and pasting up the first mono-color texture on the polygons belonging to the first color part, and the second mono-color texture on the polygons belonging to the second color part.