Watertight Trimmed NURBS

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Permanent URL	http://hdl.lib.byu.edu/1877/2549
Title	Watertight Trimmed NURBS
BYU Creator	Sederberg, Thomas W.
Creator	Li, Xin Lin, Hongwei Ipson, Heather
Keywords	surface intersection; booleans; NURBS; T-Splines
Description/Abstract	This paper addresses the long-standing problem of the unavoidable gaps that arise when expressing the intersection of two NURBS surfaces using conventional trimmed-NURBS representation. The solution converts each trimmed NURBS into an untrimmed T-Spline, and then merges the untrimmed T-Splines into a single, watertight model. The solution enables watertight fillets of NURBS models, as well as arbitrary feature curves that do not have to follow isoparameter curves. The resulting T-Spline representation can be exported without error as a collection of NURBS surfaces.
Source	T. W. Sederberg and G. T. Finnigan and X. Li and H. Lin and H. Ipson, "Watertight Trimmed NURBS" ACM Transactions on Graphics 27(3) , pp. 79:1-79:8, 2008.;
Publisher	ACM
Date Original	2008
Date Digital	2010-09-30
Language	English eng en
Publication Type	Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	College of Physical and Mathematical Sciences
BYU Department	Computer Science
Copyright Status	(c) 2008 ACM. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in the ACM Transactions on Graphics, 27, 3, (2008), http://doi.acm.org/10.1145/1399504.1360678.;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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Watertight Trimmed NURBS

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