Tubular parametric volume objects: Thickening a piecewise smooth 3D stick figure

被引：3
|
作者：
Peltier, Samuel [1 ]
Morin, Geraldine [2 ]
Aholou, Damien [1 ]
机构：
[1] Univ Poitiers, Lab XLIM, Axe ASALI, CNRS 7252, Poitiers, France
[2] Univ Toulouse, Lab IRIT, CNRS 5505, Toulouse, France
来源：
COMPUTER AIDED GEOMETRIC DESIGN | 2021年 / 85卷
关键词：
Tubular objects; Topological based geometric modeling; Bezier volumes; Semi-simploidal sets;
D O I：
10.1016/j.cagd.2021.101981
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper, a volume parametric model is computed from a piecewise smooth skeleton. Generating a volume model from a stick figure S defined in 3D is an intuitive process: given S whose topology is a pseudo-graph and whose edges are embedded as Bezier curves in R-3, we propose a method for creating a thick volume parametric model "around" S. The volume model we generate is based on semi-simploidal sets, which guarantees a proper topology and provides a 3D parametric domain for Bezier spaces. This volume is a continuous piecewise Bezier representation which boundary corresponds to a B-Rep made of tensor product Bezier patches. (C) 2021 Elsevier B.V. All rights reserved.
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页数：14
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