Interpolation to vertex positions and normals is one of important contents in parametric surface modeling.
顶点位置和法向插值是参数曲面造型的重要内容。
A new method of free form deformation which is controlled by parametric surface is presented in this paper.
提出了一种新的通过控制参数曲面来实现物体的自由变形的方法。
A new method of free form deformation which is controlled by parametric surface is presented in this paper.
近年来为了克服直接操作自由曲面的困难，提出了几种自由变形方法。
A new algorithm for calculating the intersection curves between parametric surface and a plane is presented.
提出了一种参数曲面与平面的精确求交新方法。
Based on the triangulation of parametric surface, a new method of tool path generation for complicated multi surfaces is presented.
提出了一种基于参数曲面三角化的复杂曲面刀具轨迹生成方法。
So, I will have some parametric curve that lives on this surface so, the question is, what's going to happen at any given time?
也就是我在此平面上有一个参数曲线，所以问题就是，在任意给定时刻会发生什么呢？
Let's say that we are given a parametric description — of a surface s.
比方说已知，曲面s的参数形式。
I have a parametric equation for my surface.
有曲面的参数方程。
Topics include the use of experimental design and response surface modeling to understand manufacturing process physics, as well as defect and parametric yield modeling and optimization.
主题包括使用实验设计和响应曲面造型，了解制造过程的物理，以及缺陷和产量建模和参数优化。
This paper mainly researched on parametric description and meshing algorithm for the free surface of spatial structure with the program development.
本文主要研究了空间结构中自由曲面的参数化描述及网格划分算法，并编制了相应的程序。
Space Deformations controlled by parametric curve or surface are important methods for geometric shape edit and flexible object animation.
基于参数曲线和曲面控制的空间变形是重要的几何外形编辑和柔性物体动画实现手段。
Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso-parametric curves.
其次，在曲面片内部，曲面拟合点和边界方向导数可以从参考曲线中通过构建虚拟等参线的方法得到。
Based on the new method, the paper discusses an inverse mapping of rational parameter surface, also, the implicit equation of the parametric equation is obtained.
用该方法对基于有理参数曲面的逆映射进行了一些探讨，并得到参数曲面的隐式方程。
Based on the existing problems in free-form surface reconstruction, surface digitizing and parametric optimization of random points are probed.
针对自由曲面重构建模中存在的问题，对曲面数字化及离散点参数优化技术进行了研究。
Regularity is an important algebraic property of parametric curve and surface, which depends on the parameterization of parametric curve and surface.
正则性是参数曲线曲面的重要代数性质，是由参数曲线曲面的参数化决定的。
This surface is a piecewise bi-cubic rational parametric polynomial surface.
构造的曲面是分片双三次有理参数多项式曲面。
Rapidly generating parametric polynomial surface was discussed, a fast algorithm of generating parametric polynomial surface was given which is based on integer addition and subtraction.
讨论了参数多项式曲面的快速生成。给出了用整数加减法逐点生成参数多项式曲面的快速算法。
According to the Complicated Spacial Surface such as the auto body panel, a routine about parametric grid generation is compiled.
针对汽车覆盖件这种复杂的三维曲面这一特例，编写了参数化网格划分的程序。
So this model can be widely used in the fields of parametric model of high-pressured water-jet in surface preparation and intellectual control, etc.
并可广泛应用于高压水表面处理深度模型的参数优化选择，智能化控制等领域。
Parametric values on the contact lines of disc cutter blade and the side surface cogwheel, disc cutter blade and gear root surface are determined by using vector method.
建立了斜齿圆柱齿轮侧面及齿根面的直角坐标方程序，应用矢量法确定盘形铣刀齿刃与轮齿侧面及齿根面接触线上各点的参数值。
A scheme of automatic3D finite element mesh generation, based on parametric cubic surface, is proposed.
提出了一种基于参数曲面拟合的三维网格自动生成方法。
An effective method was brought forward to realize interactive selection of arbitrary point on parametric curved surface.
提出了一种实现参数曲面上任意点选取的有效方法。
As soon as the parametric representation of the sculptured surface is known, the NC machining path on it is determined for the nonspherical cutters.
只要已知被加工曲面的参数表达式，就可运用点涉法在该曲面上生成非球面刀的数控加工轨迹。
Traditional approaches use wire-frame model or surface model to build 3D head structure, and use physiological model or parametric model to make facial animation.
传统方法采用精细的网格模型或曲面模型建立人头三维结构，采用生理模型或参数模型进行人脸动画。
The maximal tension stresses in surface and base between induced crack have been obtained by parametric analysis.
通过结构参数分析掌握了预切缝间面层、基层中最大拉应力的分布规律。
Parametric trimmed surface development is primarily used for flattening a 3D surface into a corresponding 2D pattern or surface.
提出一种基于物理模型的参数化曲面展开方法。
The paper studies the tessellating algorithm of NURBS curve and surface, then puts forward the tessellating method of NURBS tri-parametric solids.
随后论文研究了NURBS曲线曲面的分割算法，进而推导出NURBS三参数实体的离散方法。
The parametric representations of curved surface and curve line are given. The advantage of this representation is also analyzed.
给出曲面、曲线的参数表示法，并且分析了参数表示法的优越性。
Therefore, generating a Parametric G n Blending Surface between two base surfaces is translated into generating a Parametric G n Blending Surface between the two reparameterized local base surfaces.
这样将两基曲面间构造过渡曲面的问题转化为在重新参数化局部基曲面间构造过渡曲面。
The sag of the surface can be spherical, conic, aspheric, or defined by a polynomial or other parametric function.
表面的下弯(sag)可以是球面、圆锥面(conic)、非球面(aspheric)或借由多项式或其他函定义。
应用推荐