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针对航空模拟器视景仿真系统中利用欧拉角来处理鹰眼全景观察器视角旋转不可避免的出现万向轴锁现象,提出了利用四元素法来描述旋转,即绕任意一个轴V旋转一个角度α的方法来解决这一问题,并和欧拉旋转方法进行了简单对比.采用OSG+MFC(OpenSceneGraph+Microsoft Foundation Classes)来实现航空模拟器视景仿真系统中鹰眼全景观察器的方法,给出了应用实例,指出利用该方法构建的航空模拟器视景仿真系统中鹰眼全景观察器,可以为用户提供一个更加真实的沉浸感觉.
In view of the fact that the Euler angle is used to deal with the unidirectional universal axis lock in view simulator of aerial simulator, a four-element method is used to describe the rotation, that is to say, to rotate around any axis V Angle α method to solve this problem and a simple comparison with the Euler rotation method.With OSG + MFC (OpenSceneGraph + Microsoft Foundation Classes) to achieve the Hawkeye panoramic observer in the aerial simulator visual simulation system, The application examples are given. It is pointed out that the Hawkeye panoramic observer in the simulator visual simulation system of aviation simulator can be used to provide a more realistic immersion experience for users.