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    A methodology for solid modelling in a virtual reality environment

    Access Status
    Fulltext not available
    Authors
    Zhong, Yongmin
    Ma, W.
    Shirinzadeh, B.
    Date
    2005
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhong, Yongmin and Ma, Weiyin and Shirinzadeh, Bijan. 2005. A methodology for solid modelling in a virtual reality environment. Robotics and Computer-Integrated Manufacturing 21 (6): pp. 528-549.
    Source Title
    Robotics and Computer-Integrated Manufacturing
    DOI
    10.1016/j.rcim.2004.09.003
    ISSN
    0736-5845
    URI
    http://hdl.handle.net/20.500.11937/2900
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a methodology for solid modelling in a virtual reality (VR) environment. Solid modelling in the VR environment is precisely performed in an intuitive manner through constraint-based manipulations. A hierarchically structured and constraint-based data model is developed to support solid modelling in the VR environment. Constraint-based manipulations are realized by allowable motions for precise 3D interactions in the VR environment. A mathematical matrix is presented for representing allowable motions. A procedure-based degree-of-freedom combination method for 3D constraint solving is presented for deriving the allowable motions from constraints. A rule-based constraint recognition engine is developed for both constraint based manipulations and implicitly incorporating constraints into the VR environment. A prototype system has been implemented to testify the feasibility of the presented methodology.

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