Because the vehicle simulator for driving has been exploitated in our lab , we considered if we can combine the simulator and traffic flow , and add the traffic phenomina into the visual scene 由于我们实验室前期已经开发出了汽车驾驶模拟器，我们考虑要把驾驶模拟器和交通流仿真结合起来，在其视景中加入仿真的交通流现象。
In recent years , study and develop driving simulator become a more and more important direction because it has many remarkable characteristics such as high security , good recurrence , strong exploration and low cost 由于具有安全性高、再现性好、可开发性强、成本低等显著特点，近年来，研究开发驾驶模拟器已成为国际上的一个重要发展方向。
It has been several yeas since kunming university of science and technology communication simulator lab began to study the application of virtual reality on driving simulator , and developed an road traffic simulator based on virtual reality 昆明理工大学交通模拟实验室研究虚拟现实技术在驾驶模拟器中的应用已有几年的时间，成功地开发了基于虚拟现实的道路交通模拟器。
With the development of visual reality technology , application fields of virtual reality technology extend from few fields , such as movie and entertainment , aviation and space , and war industry to more fields . driving simulator is a new field 随着虚拟现实技术的发展，虚拟现实技术应用领域从最早的影视娱乐业、航空航天和军工等少数几个领域，不断扩展到更为广泛的领域，汽车驾驶模拟器就是一个新领域。
The research of applications of visual reality technology on driving simulator has been several years at traffic synthesis laboratory of kunming university of science and technology . and the vehicle simulation system oriented on virtual reality had been developed successfully 昆明理工大学交通模拟实验室研究虚拟现实技术在汽车驾驶模拟器的应用已有几年的时间，成功开发了基于虚拟现实的汽车驾驶模拟系统。
On the one hand . creating virtual scene of complicated traffic facility ( for example crossroads ) by using opengl has become very difficult . the research and application of driving simulator has been furthered and extended and the virtual scene models come to more complex 但是，一方面，由于驾驶模拟器的研究领域和应用范围的扩展，构造的虚拟场景的复杂度加大，使用opengl从底层构造像立交桥这样复杂的交通设施的虚拟场景，已经显得力不从心了。
The thesis analyzes present condition of related researches and development on driving simulator , and aims to developing a low cost simulator system for driving training that can be practical to expand . related techniques and developing tools now used in visual scene system are analyzed , and the main part of driving training simulator software to control visual scene system is researched and realized 论文分析了驾驶模拟器研究开发现状，并以可以实用化的低成本驾驶训练模拟器为开发目标，研究分析了目前可用于视景控制开发的相关技术和工具，研究并实现了驾驶训练模拟器视景控制系统的主体部分。
The development of driving simulators , scene simulation and automated highway system at home and aboard is introduced in the dissertation . the significance of ahs simulators is expatiated . the foundation and optimizing technology of scene simulation in real - time simulation system is analysized 本文在介绍了驾驶模拟器及模拟器视景系统、自动公路系统的国内外研究现状的基础上，阐述了对自动公路系统模拟器研究的意义，分析了视景仿真系统视景仿真基础和优化技术，选用三维建模软件creator和视景驱动软件vega作为视景开发平台，介绍了系统框架和关键技术。
