{"title":"Virtual flythrough over a voxel-based terrain","authors":"M. Wan, Huamin Qu, A. Kaufman","doi":"10.1109/VR.1999.756923","DOIUrl":null,"url":null,"abstract":"A voxel-based terrain visualization system is presented with real-time performance on general-purpose graphics multiprocessor workstations. Ray casting of antialiased 3D volume terrain and subvoxel sampling in true 3D space produce high quality images. Based on this rendering algorithm, an interactive flythrough system for mission planning and flight simulation has been developed on an SGI Power Challenge and a virtual reality environment using a Responsive Workbench. Arbitrary stereoscopic perspective views over the terrain and a 6D input device are supported.","PeriodicalId":175913,"journal":{"name":"Proceedings IEEE Virtual Reality (Cat. No. 99CB36316)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"21","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings IEEE Virtual Reality (Cat. No. 99CB36316)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VR.1999.756923","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 21
Abstract
A voxel-based terrain visualization system is presented with real-time performance on general-purpose graphics multiprocessor workstations. Ray casting of antialiased 3D volume terrain and subvoxel sampling in true 3D space produce high quality images. Based on this rendering algorithm, an interactive flythrough system for mission planning and flight simulation has been developed on an SGI Power Challenge and a virtual reality environment using a Responsive Workbench. Arbitrary stereoscopic perspective views over the terrain and a 6D input device are supported.
提出了一种在通用图形多处理器工作站上具有实时性的基于体素的地形可视化系统。在真实的三维空间中进行抗锯齿三维体地形的光线投射和亚体素采样，可以产生高质量的图像。在此基础上，利用响应式工作台在SGI Power Challenge和虚拟现实环境中开发了任务规划和飞行仿真的交互式飞越系统。任意立体视角的地形和6D输入设备的支持。
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