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虚拟场景建模是虚拟现实技术中的关键技术之一。为了更真实有效地模拟飞机在机场飞行区运动过程中的特殊视景,在简化模型的基础上,使用实例技术、外部引用和LOD技术几何建模,并进一步举例说明物理建模和运动建模的过程,给出了仿真实现的详细流程。该方法能够使管制员在雷达屏幕上观察飞机的动态及一些特殊情况,并及时解决冲突。利用Creator、Vega及Visual C++6.0,实现了对机场飞行区特殊视景的仿真。结果表明该系统在培训管制员方面起到了很重要的作用,从而减少了特殊事件对飞机产生的影响及在地面的碰撞事故,缓解了管制员的压力。
Virtual scene modeling is one of the key technologies in virtual reality. In order to simulate the special scene of the aircraft during the movement in the flight zone of the airport more truly and effectively, based on the simplified model, using the example technology, external reference and geometric modeling of LOD technology, and further illustrate the physical modeling and motion modeling The process of simulation is given. This method enables the controller to observe the dynamics of the aircraft and some special situations on the radar screen and resolve the conflicts in time. Using Creator, Vega and Visual C ++ 6.0, the simulation of the special scene of the airport flight zone is realized. The results showed that the system played a very important role in training controllers so as to reduce the impact of special events on the aircraft and the collision on the ground and relieve the pressure on controllers.