Digital Equipment Corporation

Jean-Manuel Van Thong

Michel Gangnet

Method and apparatus for automatically closing gaps prior to painting a cel in a vector-based computer-aided drawing system. A drawing is processed, as it is entered by a user, to generate a stored planar map containing geometric and topological characteristics of the drawing. The planar map is searched to identify gaps and updated to store synthesized gap-closing vectors for those gaps smaller than a selectable size. The gaps are closed before the painting of the cel, or coloring of the drawing, so as to prevent unintended spill-over of the color into adjacent regions.

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Courbevoie, France

Jean-Manuel Van Thong