淡江大學機構典藏:Item 987654321/34554
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    题名: VRML互動建模與參數回饋機制應用於結構工程軟體之探討
    其它题名: Application of interactive VRML model generation and study of parameter feedback mechanism in structural engineering software
    作者: 鍾凱竹;Chung, Kai-chu
    贡献者: 淡江大學土木工程學系碩士班
    王人牧;Wang, Jenmu
    关键词: 虛擬實境;互動性;參數回饋;VRML;Java;Servlet;Ajax;Vritual Reality;Interactive;Parameter Feedback;VRML;Java;Servlet;Ajax
    日期: 2006
    上传时间: 2010-01-11 05:22:36 (UTC+8)
    摘要: 由於電腦與網際網路的快速發展，使得目前土木工程領域虛擬實境的相關應用更為廣泛。除了將結構設計的結果利用3D虛擬的方式來展示、檢核之外，更導入了互動性的概念，使用者有更好的操作彈性，可借著與虛擬場景作互動性的溝通來取得想要的資訊。
    本論文研究利用幾種程式語言配合虛擬實境來探討使用者與虛擬場景之間的互動性，並實作出三個系統來說明互動性應用技術。藉由互動性程式的設計，使用者可以依照自己的想法來操控虛擬場景，利用滑鼠作拖拉等簡單的動作即可與虛擬場景作互動性的訊息溝通，並可儲存操作完成之虛擬場景，以便再次瀏覽虛擬場景。
    本論文研究的虛擬實境語言為VRML，結合Java、Servlet、Ajax等程式語言來討論虛擬場景與使用者之間的互動性。在互動性3D箍筋建模系統中，分析歸納現有規範規定箍筋型號，設計出可以組合之單一箍筋元件，並以拼組的方式來完成使用者欲組成之彎作樣式。互動式3D主要建物變斷面建模系統中，使用VRML與Java撰寫而成的互動性操作工具，建立風洞實驗中所使用主要建物變斷面模型之虛擬場景。參數回饋機制為在已視覺化的虛擬場景中，改變場景之後將場景資訊擷取作為新的輸入檔，並產生新的虛擬場景，藉此來探討資訊之再利用。
    Because of the fast development of computers and Internet, the applications of
    virtual reality in civil engineering become more extensive at present. Besides the use
    of 3D virtualization to show and examine the results of structural designs, introducing
    the concept of user interaction gives engineers better operational flexibility. We can
    get the information we want by interacting with virtual scenes.
    This thesis utilized several programming languages to cooperate with virtual
    reality to explore the effectiveness of interaction between the user and virtual scene.
    Three systems were implemented to demonstrate and explain the application of the
    technologies. With the design of the interactive procedure, the user can control and
    alter the virtual scenes according to one''s own idea. Interactive communication can be
    achieved by simple mouse dragging and dropping operations in virtual scenes. The
    completed virtual scenes can be stored and browsed again in the future.
    VRML is the virtual reality language used in this research. Combined with other
    programming languages, such as Java, Servlet, Ajax, etc., the interactive features of
    virtual scenes were discussed. In order to develop the interactive 3D reinforcement tie
    modeling system, in which the users can build a new type of tie by assembling basic
    bar components, the existing tie models in the design code were first analyzed and
    generalized to extract the basic bar components. In the interactive 3D building
    modeling system, interactive operation tools written in VRML and Java were used to
    put together non-uniform cross section VRML buildings that represent the main
    building models used in wind-tunnel experiments. The parameter feedback
    mechanism is for retrieving information from a virtual scene that has been changed by
    the user directly in the scene with the interactive features provided. The retrieved
    information reflects the changes and can be fed to other programs for calculation as
    well as generation of new virtual scene.
    显示于类别:[土木工程學系暨研究所] 學位論文

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