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Received: 2006-02-28

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.9 P.1482~1491

http://doi.org/10.1631/jzus.2006.A1482


CAD-VR geometry and meta data synchronization for design review applications


Author(s):  SCHILLING Arne, KIM Seokryul, WEISSMANN Daniel, TANG Ziying, CHOI Sangsu

Affiliation(s):  Fraunhofer Institute for Computer Graphics IGD, Darmstadt 64283, Germany; more

Corresponding email(s):   arne.schilling@igd.fhg.de

Key Words:  Virtual Reality (VR), CAD, Product Data Management (PDM), Geometry conversion


SCHILLING Arne, KIM Seokryul, WEISSMANN Daniel, TANG Ziying, CHOI Sangsu. CAD-VR geometry and meta data synchronization for design review applications[J]. Journal of Zhejiang University Science A, 2006, 7(9): 1482~1491.

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author="SCHILLING Arne, KIM Seokryul, WEISSMANN Daniel, TANG Ziying, CHOI Sangsu",
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year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A1482"
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%A WEISSMANN Daniel
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%A CHOI Sangsu
%J Journal of Zhejiang University SCIENCE A
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%DOI 10.1631/jzus.2006.A1482

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T1 - CAD-VR geometry and meta data synchronization for design review applications
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A1 - TANG Ziying
A1 - CHOI Sangsu
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.2006.A1482


Abstract: 
In this paper we present the MEMPHIS middleware framework for the integration of CAD geometries and assemblies with derived virtual Reality (VR) models and its specific meta data and attributes. The goal of this work is to connect real time VR applications, especially for the Design Review, with enterprise software storing and managing CAD models (Product Data Management—PDM). The preparation of VR models requires expert knowledge, is time consuming, and includes selection of required CAD data, tessellation, healing of unwanted gaps, applying materials and textures, and special surface and light effects. During the Design Review process, decisions are made concerning the choice of materials and surface forms. While materials can be switched directly on the VR model, the modification of part geometries must be made on the CAD model. Our system synchronizes modifications of the original CAD geometries and of attributes that are relevant for the realistic rendering using the PLM Services standard. Thus, repeated work for the VR preparation can be avoided.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[4] Gomes de Sá, A., Zachmann, G., 1999. Virtual reality as a tool for verification of assembly and maintenance processes. Computers & Graphics, 23(3):389-403.

[5] Graf, H., Brunetti, G., Stork, A., 2002. CAD2VR or How to Efficiently Integrate VR into the Product Development Process. CAD 2002 Proceedings. Corporate Engineering Research, Bonn, p.249-258.

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[8] Krause, F.L., Hayka, H., Pasewaldt, B., 2003. Supporting Collaborative Processes by the Federation of Product Data Management Systems. Science Days 2003, Dresden.

[9] Nowacki, S., von Lukas, U., 2003. Efficient and Collaborative Federation of Product Data. Science Days 2003, Dresden.

[10] Qiao, G., McLean, C., 2004. Manufacturing Information Integration in Product Lifecycle Management (PLM). Proceedings of DETC’04 ASME 2004 Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Salt Lake City, Utah.

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[13] von Lukas, U., Nowacki, S., 2005. High Level Integration Based on the PLM Services Standard. ProSTEP iViP Science Days 2005: Cross-Domain Engineering, p.50-61.

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