| A Subdivision Scheme for Rational Triangular Bézier Surfaces |
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| 引用本文： | 胡事民.A Subdivision Scheme for Rational Triangular Bézier Surfaces[J].计算机科学技术学报,1996(1). |
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| 作者姓名： | 胡事民 |
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| 作者单位： | State Key Labomtory of CAD & CG，Zhejiang University，Hangzhou 310027 |
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| 摘 要： | 1IntroductionSubdivisionalgorithmsforB6ziersurfacesareimportantinCADandcomputergraPhics.ThiangularB6ziersurfaceshavebeenstudiedextensivelyI1'3],andsomesubdivisionschemeshavebeendevelopedtosplittheoriginaltriangularpatchintoanumberofsmalltriangularpatchesI3-5].Asstatedby7],itisusuaJlyavoidedtoincludetriangularpatchesinexistingornewCADsystems,whichuserectangularpatches.ItiswelLknownthattrian-gularpatcheshaveafundamentallydifferentgeometricstructurefromrectangularpatchesl1].Tliereforetheyr…
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| 关 键 词： | Rational Bézier surface subdivision reparametrization |
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