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- Geir Westgaard, Horst Nowacki
- Symposium on Solid Modeling and Applications
- 2001

This paper describes the process of constructing a fair, open or closed <i>C</i><sup>1</sup> surface over a given irregular curve mesh. The input to the surface construction consists of point and/or curve data which are individually marked to be interpolated or approximated and are arranged according to an arbitrary irregular curve mesh topology. The… (More)

- Horst Nowacki, Xinmin Lü
- Computer Aided Geometric Design
- 1994

- Lothar Dannenberg, Horst Nowacki
- Computer Aided Geometric Design
- 1985

- Xiuzi Ye, Liang Youdong, Horst Nowacki
- Computer Aided Geometric Design
- 1996

- H. Meier, Horst Nowacki
- Computer Aided Geometric Design
- 1987

Let R ( t ) = [ x ( t ) y(t) z(t)] T denote a parametric curve where the parameter t represents the normalized arc length. This curve is to meet a set of interpolating conditions at given knots ti in the interval [0, 1]. It is well known that this problem may be solved by cubic spline interpolation, achieving continuous curvature, and that the cubic spline,… (More)

- Geir Westgaard, Horst Nowacki
- Computer Aided Geometric Design
- 2001

- Horst Nowacki, Dingyuan Liu, Xinmin Lü
- Computer Aided Geometric Design
- 1990

- Horst Nowacki
- Computer-Aided Design
- 2010

- R. Hartwig, Horst Nowacki
- Geometrisches Modellieren
- 1982

- Horst Nowacki
- CAD Advanced Course
- 1980