交互式图形系统中图形拾取算法的研究与应用  

Research on Algorithm for Picking up Graph in Interactive Graphics Systems

作　　者：岳文理[1] 王坚[1] 戴毅茹[1] 

机构地区：[1]同济大学CIMS研究中心,上海200092

出　　处：《机电产品开发与创新》2008年第2期3-4,36,共3页Development & Innovation of Machinery & Electrical Products

基　　金：上海市科技发展基金重点项目(061612058);上海市基础研究重点项目(06JC14066);上海市社会发展重大专项项目(06DZ12001);上海市登山行动计划项目(061111006);国家科技支撑计划项目(2006BAF01A46)

摘　　要：研究了交互式图形系统中图形的拾取问题,并针对传统图形拾取算法精度低、效率不高的问题进行了改进。改进后的算法被应用到上海市某大型储罐地基处理项目中,实践表明该算法具有高效准确的特点,可进一步推广应用。In this paper, the problem of picking up graph in interactive graphics systems is investigated. An improved algorithm is presented, which can improve the efficiency and precision of the traditional algorithm. Tiffs algorithm is applied on the foundation treatment of huge oil tank in Shanghai. The result shows that the algorithm is precise and can be applied in many fields.

关 键 词：图形交互 图形拾取 图元 地基处理 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]