Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.100 P.116-123

http://doi.org/10.1631/jzus.2005.AS0116


A class of quasi Bézier curves based on hyperbolic polynomials


Author(s):  SHEN Wan-qiang, WANG Guo-zhao

Affiliation(s):  1. Department of Mathematics, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   wq_shen@163.com

Key Words:  Bernstein basis, Bézier curve, Hyperbolic polynomials, Extended Tchebyshev system, B-base


SHEN Wan-qiang, WANG Guo-zhao. A class of quasi Bézier curves based on hyperbolic polynomials[J]. Journal of Zhejiang University Science A, 2005, 6(100): 116-123.

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Abstract: 
This paper presents a basis for the space of hyperbolic polynomials Γm=span{1, sht, cht, sh2t, ch2t, …, shmt, chmt} on the interval [0,α] from an extended Tchebyshev system, which is analogous to the Bernstein basis for the space of polynomial used as a kind of well-known tool for free-form curves and surfaces in Computer Aided Geometry Design. Then from this basis, we construct quasi Bézier curves and discuss some of their properties. At last, we give an example and extend the range of the parameter variable t to arbitrary close interval [r, s] (r<s).

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Carnicer, J.M., Peña, J.M., 1994. Totally positive bases for shape preserving curve design and optimality of B-splines. Computer Aided Geometric Design, 11:635-656.

[2] Chen, Q.Y., Wang, G.Z., 2003. A class of B

[3] L

[4] Peña, J.M., 1997. Shape preserving representations for trigonometric polynomial curves. Computer Aided Geometric Design, 14:5-11.

[5] Sânchez-Reyes, J., 1998. Harmonic rational B

[6] Schumaker, L.L., 1981. Spline Functions: Basic Theory. Wiley-Interscience, New York, p.363-419.

[7] Zhang, J.W., 1996. C-curves: An extension of cubic curves. Computer Aided Geometric Design, 13:199-217.

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Full Text:   <3015>

CLC number: TP361

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 0000-00-00

Cited: 2

Clicked: 5267

Citations:  Bibtex RefMan EndNote GB/T7714

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