等距运算在现有体素造形系统不可精确表示  

Isometric Operation Cannot Have Precise Representation in Existing Mdelling System of Body Surface

作　　者：陈思雄[1] 

机构地区：[1]华侨大学管理信息科学系

出　　处：《华侨大学学报（自然科学版）》1992年第3期309-315,共7页Journal of Huaqiao University(Natural Science)

摘　　要：本文论述二种极为常用的自由曲线的等距曲线不可参数有理化的重要事实。指出即使具有自由曲线造形功能的体素造形系统,也无法精确表示等距运算。The author proves that the equidistant curves of two sorts of conventional free curves cannot have rational parametric representations. It is also unequivocally pointed out that the isometric opera- tion cannot be precisely represented even if in a body surface modelling system which has the function of free curve modelling.

关 键 词：等距运算 CAD 体素造形系统 CAM 

分 类 号：TP391.7[自动化与计算机技术—计算机应用技术]