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    Virtual modelling of solid objects with constraint-based manipulations

    Access Status
    Fulltext not available
    Authors
    Zhong, Yongmin
    Yuan, X.
    Ma, W.
    Shirinzadeh, B.
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhong, Y. and Yuan, X. and Ma, W. and Shirinzadeh, B. 2006. Virtual modelling of solid objects with constraint-based manipulations. International Journal of Modelling and Simulation 26 (3): pp. 212-218.
    Source Title
    International Journal of Modelling and Simulation
    DOI
    10.2316/Journal.205.2006.3.205-4337
    ISSN
    0228-6203
    URI
    http://hdl.handle.net/20.500.11937/29795
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents an intuitive approach to precise solid modellingin virtual reality environments. A hierarchically structured modelis established to handle the tasks of object definition, objectcreation, and object rendering with an integrated data structure.Constraints are organized at different levels on different objectsand are embedded in the data structure. A constraint reasoningengine is developed to automatically determine allowable motions forprecise manipulation of virtual objects with online assistance fromconstraints. Examples are presented to demonstrate the advantageof precise solid modelling through constraint-based manipulations invirtual environments.

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