基于web 3D应用的汽车展示系统

论文字数:21148,页数:53

摘   要
 
 随着虚拟现实技术、网络技术的发展，基于网络的虚拟系统开发和研究成为研究的热点，己经受到商家越来越多的关注。虚拟汽车展示系统应用于汽车展示，销售中具有“节省大量经费”、“突破了时间和空间的局限”、“避免选车者选购的麻烦”等优点。目前的虚拟汽车展示系统的真实感、交互性和效果等方面与现实需要相差甚远，不能满足商家和消费者的需求，而Web3D技术的产生使这些问题得到了解决。Web 3D是一种新兴的网络三维技术，利用这种技术制作出的网络虚拟汽车展示系统具有良好的交互性和沉浸感，所以已经被越来越多的商家和消费者所关注。本论文着眼于Web 3D技术在汽车展示系统中的应用。首先介绍了与Web 3D技术紧密相关的虚拟现实技术，包括其基本概念和分类。而后探讨了虚拟展示系统的相关内容，包括概念、类型及应用于实践的理论依据。然后介绍了几种Web 3D技术，并比较各自的特点，总结了用Web 3D技术开发网络虚拟展示系统的大众化方式：即将虚拟对象的建模与交互的设计分开进行，先在专业的建模软件中构建三维模型，再导出到专门的交互软件（如Cult 3D Designer）中设置交互。并以《汽车展示系统》开发为例，介绍了利用Web 3D技术开发汽车展示系统的流程

关键词：Web 3D  虚拟现实 Cult 3D 汽车展示

       Car display system based on Web3D
 ABSTRACT

 With virtual reality technology, network technology, network-based virtual system development and research become the hot, businesses have been more and more attention. Virtual display system used in automotive vehicle display, sales have "substantial savings", "break through the limitations of time and space", "those who buy cars to avoid the trouble of the election," and so on. The current vehicle display system of virtual realism, interaction and effects with the real needs of very different and can not meet the needs of businesses and consumers, while the production of Web3D technologies so that these problems have been resolved. Web 3D is a new network of three-dimensional technology that uses this technology to produce a network of virtual car display system has a good sense of interactivity and immersion, it has been more and more businesses and consumers attention. This paper focuses on Web 3D technology in the automotive display system. First introduced with the Web 3D technology is closely related to virtual reality technology, including its basic concepts and classification. Then the virtual display system of the related content, including concept, types and apply the theoretical basis of practice. Then describes several Web 3D technology, and compare their characteristics, summarizes the technical development with the Web 3D virtual display system for popular way: about a virtual object modeling and interactive design separate from the first professional modeling software to construct three-dimensional model, then export to specialized interactive software (such as the Cult 3D Designer) set interaction. And to "Auto Show System" as an example, the use of Web 3D technology development process of automotive display system
 
Key words:Web 3D  virtual reality  Cult 3D  Car show                                                                                                                                                                                                                                                                            

目    录
摘要 I
ABSTRACT II
1引言 1
1.1研究背景 1
1.2 国内外研究现状 1
1.3 问题的提出 2
1.4 论文的主要内容 2
2可行性分析 4
2.1 经济可行性 4
2.2 技术可行性 4
2.3操作可行性 4
2.4 法律可行性 4
3 需求分析 6
3.1 需求定义 6
4 虚拟现实与虚拟展示系统的相关问题 7
4.1 虚拟现实技术 7
4.1.1虚拟现实技术的概念 7
4.1.2 虚拟现实技术的分类 7
4.2 虚拟展示系统 8
4.2.1 虚拟展示系统的含义 8
4.2.2 虚拟展示系统的使用范围 8
5 Web 3D概述 9
5.1 Web 3D 概述 9
5.1.1 从VRML到Web 3D 9
5.1.2 Web 3D的关键技术——实现渲染引擎 10
5.2典型的Web 3D技术介绍 10
5.2.1 VRML 10
5.2.2 Cult 3D 11
5.2.3 Viewpoint 12
5.2.4 Atmoshpere 12
5.2.5 Shout 13
5.2.6 Java 3D 13
5.3几种Web 3D技术的比较分析 14
5.4 基于Web 3D的汽车展示系统开发技术的选择——Cult 3D 16
5.4.1 Cult 3D简介 16
5.4.2 使用Cult 3D的基础条件 16
5.4.3 Cult 3D窗口功能简介 16
6开发基于Web 3D的汽车展示系统 18
6.1用Web 3D开发汽车展示系统的一般流程 18
6.2 利用3DS MAX和Cult 3D开发《汽车展示系统》 18
6.2.1 相关技术的选择 18
6.2.2 在3DS MAX中对实验对象进行建模和动画设置 19
6.2.3 利用Cult 3D Designer 制作三维互动效果 24
6.3 在Direcotr 中进行媒体合成 38
6.4将制作好的汽车展示系统发布到网页中进行整合 42
结语 44
参考文献 45
谢辞 46