Multi-Level modeling and access control for data sharing in collaborative design

Authors:
Taeseong Kim;Christopher D. Cera;William C. Regli;Hyunseung Choo;JungHyun Han
Affiliations:
School of Information and Communications Engineering Sung Kyun Kwan University, Suwon 440-746, South Korea;Department of Computer Science, College of Arts and Sciences, Korman Computing Center, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA;Department of Computer Science, College of Arts and Sciences, Korman Computing Center, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA;School of Information and Communications Engineering Sung Kyun Kwan University, Suwon 440-746, South Korea;Department of Computer Science and Engineering, Korea University, Seoul 136-701, South Korea
Venue:
Advanced Engineering Informatics
Year:
2006

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Abstract

This paper presents a method for securing collaborative design using multi-level modeling. When a team of designers works collaboratively on a 3D assembly model, a component of the assembly is presented in a full detail to those who have full access privileges to the component, but in an abstract level of detail to those who have less access privileges. Such various levels of detail can be created in two phases: volumetric feature removal which is achieved through interactive feature recognition on the CAD model, and multi-resolution mesh construction which is based on polygonal simplification. Appropriate representations of the assembly are extracted by direction of access matrix, and then presented to the users participating in collaborative design. The key issues in developing the secure collaborative design system are discussed, and the implementation results are reported.