Smoothing the surface of handling is an important part of CAGD.
曲线曲面的光顺处理CAGD的一项重要内容。
NURBS curves are among the most commonly used Parametric curves in CAGD and computer graphics.
NURBS曲线是计算机辅助几何设计和计算机图形中最常用的参数曲线。
NURBS surfaces are among the most commonly used parametric surfaces in CAGD and Computer Graphics.
NURBS曲面是计算机辅助几何设计和计算机图形中最常用的参数曲面。
The topic of this paper is to make an investigation on arithmetic for curvature lines of surface in CAGD.
本文的主题是对CAGD系统中所需的曲面曲率线的计算方法进行研究。
The computation of geometric continuity is one of the key problems in Computer Aided geometric Design (CAGD).
几何连续性的求解是计算机辅助几何设计(CAGD)中的一个关键问题。
Surface triangulations based-on 3D arbitrary point-sets are widely applied in CAGD/CAD and reverse-engineering, etc.
根据三维散乱点集构造曲面剖分在CAGD/CAD、反求工程等方面有着十分广泛的应用。
Bivariate 3-direction is a triangulation with the least directions. Box spline built on it is widely applied in CAGD.
二元三方向剖分是方向最少的三角剖分，建立在其上的二元三向四次箱样条在CAGD等领域有着广泛的应用。
Constructing a smooth curve with given endpoint conditions is a fundamental problem in computer aided geometric design (CAGD).
构造一条满足给定端点条件的光顺曲线是计算机辅助几何设计(CAGD)中的一个基本问题。
CAGD mainly researches the complex way to change the freedom of curves and surfaces, the so-called freedom of curves and surfaces.
CAGD主要研究以复杂方式自由变化的曲线曲面，即所谓的自由型曲线曲面。
The new achievement of CAGD field has been introduced to build up the mathematical model of vehicle body appearance curve and surface.
本文引入CAGD领域研究的新成果构造车身外形曲线曲面数学模型。
After briefly reviewing the classification and respective characters of curves and surfaces modeling, the paper expatiates its history in CAGD.
本文首先回顾了曲线曲面造型方法的分类以及各自的特点。
Based on these near 20 years the applicant of implicit curves in CAGD and the characteristics of all sorts of implicit one are summarized and evaluated.
在此基础上对近20年来隐式曲线在计算机辅助几何设计中的应用及各种隐式形式的曲线特点进行了总结和评价。
The whole essay is divided to three sections. The first section is the introduction of CAGD, surface modeling and relations between CAGD and reverse engineering.
本文共分三个部分，第一部分主要介绍CAGD的概况、曲面造型的介绍以及逆向工程与CAGD曲面造型之间的联系。
Interval curves and interval surfaces are application and extension of interval analysis method in CAGD, which is important tool for error analysis in numerical analysis field.
区间曲线和区间曲面是数值分析领域内作为误差分析主要工具的区间分析方法在CAGD中的应用和推广。
The convexity of curves and surfaces is an important property in the field of Computer Aided Geometric Design (CAGD). This paper tries to tackle the positive and convex problem of polynomials.
在计算机辅助几何设计(CAGD)中，曲面曲线的凸性是一种重要的特性旨在解决多项式的正性和凸性问题。
As we know, it is both convenient and practical to describe curves and surfaces by matrix representation in CAGD, such as facilitating the evaluation and conversion of the curves and surfaces.
我们知道，曲线曲面的矩阵形式在计算机辅助几何设计的实际应用中是非常必要的并且存在很好的应用价值，例如方便于曲线曲面的求值和转换等。
This paper approaches the branch of CAD, the concept and applied direction of CAGD from different examples, and puts forward the solution to the practical engineering problems by applying CAGD.
本文通过若干实例，初步探讨了CAD技术的分支CAGD的概念及应用方向，提出了一些应用CAGD手段解决工程实践问题的方法。
This paper approaches the branch of CAD, the concept and applied direction of CAGD from different examples, and puts forward the solution to the practical engineering problems by applying CAGD.
本文通过若干实例，初步探讨了CAD技术的分支CAGD的概念及应用方向，提出了一些应用CAGD手段解决工程实践问题的方法。
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