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22 March 1996 Triangulation of trimmed surfaces based on constructing triangles
Jin Fan, Qifu Wang, Xianglin Zheng, Ji Zhou
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Proceedings Volume 2644, Fourth International Conference on Computer-Aided Design and Computer Graphics; (1996) https://doi.org/10.1117/12.235488
Event: Fourth International Conference on Computer-Aided Design and Computer Graphics, 1995, Wuhan, China
Abstract
A new approach for triangulating trimmed surfaces is presented in this paper. The main idea is based on constructing triangles net. The algorithm consists of: (1) reconstruction boundaries of the trimmed surfaces; (2) constructing triangles net; (3) triangulation in narrow polygon zone; (4) accuracy checking and triangle subdivision. In this paper, topological consistency of triangles net is checked in parametric domain. Property of a triangle is appraised in 3D space. Excellent triangles net without cracks can finally be received. The algorithm has been successfully used in surface modeling system SCAD 1.0.
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Jin Fan, Qifu Wang, Xianglin Zheng, and Ji Zhou "Triangulation of trimmed surfaces based on constructing triangles", Proc. SPIE 2644, Fourth International Conference on Computer-Aided Design and Computer Graphics, (22 March 1996); https://doi.org/10.1117/12.235488
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KEYWORDS
Systems modeling
Reconstruction algorithms
3D modeling
Astatine
Computer aided design
Fluctuations and noise
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