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三维虚拟场景编辑系统研究与实现

【作者】 罗合见

【导师】 袁宏春;

【作者基本信息】 电子科技大学 , 计算机应用技术, 2001, 硕士

【摘要】 在三维图形领域,主要包括三维场景建模,三维场景Render和三维场景编辑三方面。特别是在三维场景Render和三维场景编辑方面,实时性、系统性和交互性还存在很大的不足。 基于上述不足,本文对三维场景的解释、三维场景Render和三维场景交互操作方面进行了深入的研究,在系统性和交互性方面取得了很大的进步。为了使交互平滑流畅,提出了在几何空间中进行求交计算方法;为了使系统具有良好的扩展性,提出了节点注册方法。 本文实现的主要功能:(1)把一个VRML文件解释成系统内部的场景图,即实现了一个VRML解释器;(2)Render一个场景图;(3)选择并操作场景中的节点。此系统已成功地应用于各电视台高度评价的虚拟演播室。

【Abstract】 In the 3-Dimension Graphics area, there are three important research directions: 3-Dimension Graphics Modeling, 3-Dimension Graphics Rendering and 3-Dimension Scene Graph Editing. Especially in the 3-Dimension Graphics Rendering and 3-Dimension Graphics Editing fields, there is a lot of inefficiency about the Real-Time, Systematicness and Interaction. The dissertation based on the inefficiency above, and devoted to research of the 3-Dimension Graphics Rendering and Interaction, and make great achievements in Real-Time, Systematicness and Interaction aspects. The dissertation has accomplished these functionalities: 0 a complier that interpret the VRML file into the Scene Graph of the Scene Database, ?Rendering the Scene Graph, ?Select and Operate the Scene Node. And the system has been applied to the Virtual Studio System that has praised by all the TV Stations successfully.

  • 【分类号】TP391.9
  • 【被引频次】4
  • 【下载频次】212
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