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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue ( 9): 4-    DOI: 10.1631/jzus.2006.A1482
    
CAD-VR geometry and meta data synchronization for design review applications
SCHILLING Arne, KIM Seokryul, WEISSMANN Daniel, TANG Ziying, CHOI Sangsu
Fraunhofer Institute for Computer Graphics IGD, Darmstadt 64283, Germany; Institute for Graphic Interfaces IGI, Seoul 120-750, Korea; Computer Graphics Center ZGDV, Rostock 18059, Germany
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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.

Key wordsVirtual Reality (VR)      CAD      Product Data Management (PDM)      Geometry conversion     
Received: 28 February 2006     
CLC:  TP202  
Cite this article:

SCHILLING Arne, KIM Seokryul, WEISSMANN Daniel, TANG Ziying, CHOI Sangsu. CAD-VR geometry and meta data synchronization for design review applications. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7( 9): 4-.

URL:

http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A1482     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I 9/4

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