虚拟座舱中平显功能实现算法研究

飞行平显画面和习机仪表显示是虚拟座舱中最为重要的部分,但在沉浸式VR飞行模拟训练器中,由于三维空间显示以及虚拟环境交互扩展使该过程的实现较3D游戏中要复杂得多。针对虚拟座舱平显显示要求,文中分析了在于微机平台上实现的难点：1）构造平显平面模型,2）产生显示字符集,3）实现三维动态有效遮挡等问题。并提出了三种不同的实现算法结构,最后给出了性能最好的适量字－虚拟平面遮挡算法的具体实现过程。

RESEARCH ON IMPLEMENTATION OF HUD IN VIRTUAL COCKPIT

Implementation of HUD and Instruction-Panel is very import parts in virtual cockpit, but in immersive Virtual Reality (VR) flight simulator, stereo-display and super interaction make it more complicated than that in 3D flight simulator game. First of all, the key difficulties are analyzed in the situation: 1) construction of HUD model, 2) construction of fonts model, 3) invisible fonts cutting-off in three dimension. To solve these problems, three algorithms are present in this paper, and the most effective algorithm is given in detail.