Computing Rational Parametrizations of Canal Surfaces

Abstract

Current CAD systems can represent curves and surfaces only in rational B-spline (NURBS) form ( .Farin, 1994; .Hoschek and Lasser, 1993). On the other hand, certain curves and surfaces that arise in practical applications such as offsets of rational curves or surfaces are in general not rational and therefore need to be approximated. This motivated .Farouki… (More)
DOI: 10.1006/jsco.1996.0087

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