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Feature-Based Multi-Resolution Modeling of Solids Using History-Based Boolean Operations - Part I : Theory of History-Based Boolean Operations -
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  • Feature-Based Multi-Resolution Modeling of Solids Using History-Based Boolean Operations - Part I : Theory of History-Based Boolean Operations -
저자명
Lee. Sang Hun,Lee. Kyu-Yeul,Woo. Yoonwhan,Lee. Kang-Soo
간행물명
Journal of mechanical science and technology
권/호정보
2005년|19권 2호|pp.549-557 (9 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The requirements of multi-resolution models of feature-based solids, which represent an object at many levels of feature detail, are increasing for engineering purposes, such as analysis, network-based collaborative design, virtual prototyping and manufacturing. To provide multi-resolution models for various applications, it is essential to generate adequate solid models at varying levels of detail (LOD) after feature rearrangement, based on the LOD criteria. However, the non-commutative property of the union and subtraction Boolean operations is a severe obstacle to arbitrary feature rearrangement. To solve this problem we propose history-based Boolean operations that satisfy the commutative law between union and subtraction operations by considering the history of the Boolean operations. Because these operations guarantee the same resulting shape as the original and reasonable shapes at the intermediate LODs for an arbitrary rearrangement of its features, various LOD criteria can be applied for multi-resolution modeling in different applications.