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Proceedings Paper

Methods and techniques for advanced curve and surface modeling
Author(s): Lizhuang Ma; Zhijun He
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Paper Abstract

This paper concentrates on the modeling of complex surfaces over arbitrary topologies. Methods and techniques newly developed are presented for high-quality curve and surface modeling in CAD system, e.g., composing of rectangular and triangular patches, modeling of closed surfaces over polyhedral topologies, blending free-form surfaces with geometric continuity. The data structure and data exchange are based on STEP, the international standard for external representation of product data. NURBS (Nonuniform Rational B-spline Surface) representation is adopted as a unified approach to advanced curve and surface design.

Paper Details

Date Published: 22 March 1996
PDF: 9 pages
Proc. SPIE 2644, Fourth International Conference on Computer-Aided Design and Computer Graphics, (22 March 1996); doi: 10.1117/12.235545
Show Author Affiliations
Lizhuang Ma, Zhejiang Univ. (China)
Zhijun He, Zhejiang Univ. (China)

Published in SPIE Proceedings Vol. 2644:
Fourth International Conference on Computer-Aided Design and Computer Graphics

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