智能坐标测量技术中工件可视化的研究

Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology(2003)

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Abstract
给出了一种将CAD三视图描述的工件三维立体图形直观地呈现于计算机显示屏上的方法.通过对CAD三视图进行几何信息提取、二维环重构和三维特征匹配等一系列操作重构出工件的三维立体图形,采用简化的构造实体几何(CSG)模型对工件进行可视化,使之栩栩如生地呈现于计算机显示屏上.可视化技术是智能坐标测量技术的基础,它对于实现工件自动定位、检查测量路径的合理性和防碰撞检测等具有重要意义.
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Key words
CMM,Construction solid geometry model,Stencil buffer,Visualization
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