A new visible algorithm for constructive solid geometry ( CSG ) modeling was given. 将区域扫描线算法结合到光线投射算法,提出了一种基于构造实体几何(CSG)(CSG)模型动态重构的快速显示算法。
Constructive Solid Geometry(CSG) ( CSG ) is one of the modelling methods of solid model. 几何体素构造法是目前实体模型的造型方法之一。
In this work, we have employed constructive solid geometry modeling to construct the geometrical configuration of complex specimen, and, the ray tracing arithmetic to obtain the correction to the sampling of the flight step length between scattering events. 本工作中,我们采用体构件法来产生复杂试样的几何构型,利用光线追踪算法求得散射事件间的步长抽样修正。
A simple method for calculating distance between a solid sphere and a constructive solid geometry ( CSG ) so lid primitive ( including block, cone, cylinder, sphere, wedge and torus ) is derived to support the collision detection algorithm. 从几何方法上介绍了一种支持干涉检测的计算球和包括长方体、锥体、柱体、楔和圆环在内的基本体素之间距离计算方法。
Therefore they cannot be detected by the CT. Using the CT simulation system and the constructive solid geometry ( CSG ) model, the paper designed a method for short crack simulation and its projection data acquisition technique. 基于CT仿真系统,利用结构实体几何模型,设计了一种短裂纹的模拟方法以及其仿真投影数据的获取方法。