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适应式支线表面装配随意拓控制网格
IEEE transactions on visualization and computer graphics
|February 2, 2024
概括
本研究提出了一种使用G-NURBS复杂的三角形网格重建spline表面的新方法. 这种方法精确地保留了几何特征,控制点较少,推进了计算机辅助设计.
科学领域:
- 计算机辅助设计和工程
- 几何建模的几何建模.
- 表面重建的重建.
背景情况:
- 从任意的拓三角形网格中重建spline表面是一个重大挑战.
- 现有的方法难以处理复杂的网状拓,并保持尖的特征.
研究的目的:
- 引入一种使用G-NURBS用于任意拓三角形网格的新型表面装配方法.
- 为了达到高的准确度,同时保持边缘和角落等几何特征.
- 为了减少表面重建所需的控制点的数量.
主要方法:
- 使用通用非统一的理性B-Splines (G-NURBS) 进行表面装配.
- 采用基于输入模型几何学的自适应控制点调整.
- 实施一个参数对应方法,用于尖的特征.
- 使用控制网的代改进与几何特征信息.
主要成果:
- G-NURBS方法成功地从具有任意拓的网格中重建了线条表面.
- 该方法精确地保留了利的几何特征,包括边缘和角落.
- 与传统方法相比,需要更少的控制点,提高效率.
- 对各种CAD模型的评估表明,它们具有很高的适配精度和特征保存.
结论:
- 提出的基于G-NURBS的方法提供了一个有效的解决方案,用于从复杂的三角网格中重建spline表面.
- 这种方法提高了计算机辅助设计和工程应用的精度和效率.
- 通过减少控制点数量,可以实现对几何特征的忠实保存.
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