Canal Surfaces Defined by Quadratic Families of Spheres

Rimvydas Krasauskas () and Severinas Zube

Chapter 5 in Geometric Modeling and Algebraic Geometry, 2008, pp 79-92 from Springer

Abstract: This paper is devoted to quadratic canal surfaces, i.e. surfaces that are envelopes of quadratic families of spheres. They are generalizations of Dupin cyclides but are more flexible as blending surfaces between natural quadrics. The classification of quadratic canal surfaces is given from the point of view of Laguerre geometry. Their properties that are important for geometric modeling are studied: rational parametrizations of minimal degree, Bézier representations, and implicit equations.

Keywords: Rational Parametrization; Minimal Degree; Double Point; Geometric Design; Isotropic Line (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-72185-7_5

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DOI: 10.1007/978-3-540-72185-7_5

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