基于体单元的光线跟踪算法  

Ray Tracing Algorithm Based on Voxel

作　　者：曹莹[1] 顾耀林[1] 王骏[1] 

机构地区：[1]江南大学信息工程学院,江苏无锡214036

出　　处：《江南大学学报（自然科学版）》2002年第4期370-373,共4页Joural of Jiangnan University (Natural Science Edition)　

摘　　要：论述了体光线跟踪的基本原理及算法实现 .将物体划分为若干个体单元 ,光线若与体单元相交 ,则经过体单元反射或透射后继续跟踪 ,对体单元采用体可视化技术进行显像 ,生成真实感图形 .体光线跟踪算法可生成复杂景物的高质量图形 ,较光线跟踪算法的存储信息量小 ,而且可以体现物体深层的研究 .This article primarily introduce the basic principle of volume ray tracing algorithm and its realization. The object is first devided as a number of voxels.If ray hands over with voxel,tracing ray will be reflected or transmitted by voxel.Voxels are viewed by volume visualzation technology.Then real graphic is emerged. The volume ray tracing algorithm can engender the complex and high scenery, can be smaller than the ray traceing algorithm at the information's store, and can embody the research of the deep layer of object.

关 键 词：虚拟现实 体光线路中 体单元 体可视化 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]