月球车仿真系统中若干视景真实感实现技术

虚拟现实技术的出现为月球漫游车的设计、优化等提供了新的有效手段.为在虚拟现实环境下开发月球车仿真系统,视景真实感实现技术在其中具有霞要地位.研究了真实感地形生成技术、仿真过程中的粒子系统特效技术以及车轮沉陷和车轮轨迹生成技术.基于分形技术和月面特征地形生月面高程数据;利用Muhigen Creator构建和渲染了月面几何模型;基于OpenGL Performer开发了仿真程序并应用到一种月球车运动仿真系统中.系统可在微机和SGI图形工作站运行,仿真结果显示具有良好的真实感.

Several Realistic Scene Simulation Technologies in a Lunar Rover Simulation System

The emergence of Virtual Reality(VR) technology provides a new efficient approach for lunar rover design,test and optimization.The Realistic Scene technology plays an important role in developing lunar rover simulation system in a VR environment.Realistic terrain generation technology,particle system in simulation process and wheel sink and track generation approach are investigated.Terrain altitude data are created based on the fractal technology and moon terrain features.Moon terrain geometry model is con...