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Research of the Application of Virtual Reality Technology in Urban Traffic Simulation System

Author: FeiNa
Tutor: HuJianPing
School: Tianjin Institute of Urban Construction
Course: Applied Computer Technology
Keywords: MultiGen Creator OpenFlight API Vega Prime API Urban Road Network Virtual Reality
CLC: TP391.9
Type: Master's thesis
Year: 2010
Downloads: 208
Quote: 0
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Abstract


Road as the carrier of the movement of people and goods, but also the construction of a branch. And architectural beauty, is the product of the combination of art and technology. Good road environment to give users a clear, pleasant feeling, which will add to the fun of the journey, eliminate fatigue, and reduce traffic accidents. Therefore, how to start from the coordination of road and environmental study transportation safety issues, focused \By optimizing the planning and design of road to provide a relaxed driving environment for the driver so that the driver maximum possible to reduce the number of traffic accidents due to road and environmental error induced should become designers road design, road planning the most basic starting point. Virtual reality technology, and three-dimensional visual simulation technology combined used in the simulation of urban traffic, as the basic reality of the urban road simulation every block of the virtual city, users will be the true feelings of the surrounding environment, traffic control and management facilities, can observe the scene from any angle, distance and fine, to achieve a variety of design options, and a variety of environmental effects in real-time switching comparison. Exposure to the virtual city traffic into the corresponding sensory equipment, drive a virtual car to walk through the city traffic artery, and personally experience the the virtual urban traffic capacity and the management and control of the various traffic junctions; using virtual technology can also reasonably effective change city traffic layout, improve the urban road, provides an effective means for finding the best traffic control and management. This paper studies urban traffic simulation system is based on the design concept of the road planning and coordination between the urban landscape. The designer can directly road draw in the three-dimensional scene can be more fully consider the relationship between the road and the environment as well as the impact on traffic safety through an intuitive understanding of the roads surrounding environment; reasonable and effective to change the layout of urban traffic, improve the urban road; through simulation of the traffic flow, as well as the regulation of the signal cycle length, intuitive 3D scene to understand the driving conditions of the vehicle in the entire road network, to find the best traffic control and management to provide an alternative reference 3D visualization platform. This article to adopt VC.NET platform visual simulation tool Multigen Creator / on Vega Prime and its application program interface provided by OpenFlight API with Vega Prime API implements the automatic generation of urban road model, the automatic construction of the road network topology, traffic flow analog signal lights on the vehicle behavior constraints, and regulation of the signal cycle length to select the best control scheme for the road network. Also realized in three-dimensional virtual environment in real-time roaming and interactive control, three-dimensional information queries, spatial orientation and spatial analysis functions.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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