PC集群驱动的大规模室外场景并行绘制技术研究

Research on Parallel Rendering Technique for Large-scale Outdoor Scene Driven by PC Cluster

针对大规模室外场景视域范围广,数据量大的特点,在分析比较两种并行绘制体系结构的基础上,提出采用master-slave并行绘制体系结构进行实时绘制。同时引入了LOD技术,基于VTree平台构建了虚拟校园漫游系统,并在多通道投影显示系统上对上述方法进行了验证,试验结果表明该方法能显著提高系统的实时绘制性能,且场景搭建快速简单,具有良好的应用价值。

Large-scale outdoor scene are pantoscopic and with great magnitude of datum, on the basis of comparing two different type of paralleling rendering architecture, we proposed to use the master-slave based parallel rendering architecture for real-time rendering. Based on VTree platform, by introducing the LOD technique, developed a virtual campus roaming system, then validated the method proposed in this paper on the multiple projectors display system. Experimental restdts indicate that the method enhanced the real-time rendering performance notably, and the system constructed easily, is effective and valuable in large-scale scene simulation.