The existing parametric design softwares are not safficient for processing the complicated parts We present a new method based on graphics decomposition to solve the problem.
目前参数化设计约束处理技术操作的直接对象是基本图形元素和约束，这在复杂零件参数化时会遇到困难。
B-Spline curves and curve surfaces are the most commonly used parametric curves and surfaces in Computer Graphics.
样条曲线曲面是在计算机图形学中应用最广泛的参数曲线曲面类型。
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 fast point-by-point algorithm for generating rational parametric surfaces has important application in computer graphics.
有理参数多项式曲面的快速逐点生成算法在计算机图形学中有重要的应用。
A new strategy of constructing and managing the parametric model is used in used in this method. It extends usual graphics data structure to describe geometric constraint.
该方法引入了建立和管理参数化模型的策略，通过扩展一般的图形数据结构统一表示几何约束。
A new strategy of constructing and managing the parametric model is used in used in this method. It extends usual graphics data structure to describe geometric constraint.
该方法引入了建立和管理参数化模型的策略，通过扩展一般的图形数据结构统一表示几何约束。
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