Quadric surfaces such as cylinders and spheres play an important role in CAD. This paper describes a new method for creating triangular surface patches on a quadric surface. The surface patches are defined using a restricted type of quadratic B~zier control polyhedron. The control polyhedron and the
✦ LIBER ✦
Bézier representation for cubic surface patches
✍ Scribed by S. Lodha; J. Warren
- Book ID
- 107744619
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 672 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0010-4485
No coin nor oath required. For personal study only.
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this paper, the relation between difference algorithms and the representation of parametric curves is studied in detail. It is shown that stationary difference algorithms could generate a class of curves, the so-called D-curves, that are suitable in freeform curve and surface modelling and design. T