1) multi-level NURBS surfaces
多尺度NURBS曲面
1.
By making use of G1 conditions for two NURBS surfaces(B-spline surfaces in this paper) and their multi-resolution representations,this paper presents the algorithm for maintaining the G1 continuity of two multi-level NURBS surfaces and its implementation.
基于NURBS曲面(B样条曲面)的G1连续条件及其多尺度表示,给出了两个多尺度NURBS曲面间保持G1连续的算法与实现过程。
3) NURBS surface
NURBS曲面
1.
Removing local unfairness of NURBS surfaces based on reflection line model;
基于反射线模型修改NURBS曲面不光顺性
2.
Explicit multi-degree reduction approximation of NURBS surfaces;
NURBS曲面显式降多阶逼近
3.
Construction of joining surface with G~1 continuity for two NURBS surfaces;
两张NURBS曲面间G~1光滑过渡曲面的构造
4) NURBS Curved Surface
NURBS曲面
1.
Interpolation Method of NURBS Curved Surface for STEP-NC Control System;
STEP-NC数控系统的NURBS曲面插补方法
2.
A new method is presented for the characteristic analysis and remodeling of NURBS curved surface.
提出了NURBS曲面的特性分析和重构方法,通过在Rhinoceros中表示曲面模型并提取其型值点和表面网格,再编写Autolisp程序在AutoCAD中提取其特性参数,不需要进行复杂的曲面特性计算即可生成曲面特性数据文件。
5) NURBS
NURBS曲面
1.
Point Cloud Fitting of NURBS Curved Surface in Reverse Design of Automobiles;
汽车逆向设计中用NURBS曲面拟合点云数据
2.
The Realistic Rendering Based on NURBS and BTF;
基于NURBS曲面和BTF的真实感图形绘制
3.
Some effective methods about NURBS under OpenGL are also presented, to solve the problems of the surface weave simulation, lighting and multiple visual angle etc, and to obtain a remarkable improvement in 3D weave simulation.
分析了现有的织物模拟技术 ,针对织物模拟在观察角度、三维立体效果、光照等方面存在的不足 ,提出了在OpenGL环境下 ,引入NURBS曲面的方法 。
6) NURBS surfaces
NURBS曲面
1.
A method of modifying geometric features of NURBS surfaces;
一种NURBS曲面几何特征修改方法
2.
Improved algorithm for NURBS surfaces shape modification;
NURBS曲面形状修改的一种改进算法
3.
Split Algorithm based on Minimum Distance between NURBS surfaces
一种新的NURBS曲面间最短距离计算的分裂算法
补充资料：Demoulin曲面
Demoulin曲面
Demodin surface
】抽.朋白ee面[D.”峨。绷面沈:八eM”e一a oo.epx.oeT司 由共扼线网构成的曲面，其中网曲线的切线形成两个W线汇—所谓奇异共扼系，只有L地mo曲n曲面才容许射影形变(proj“石祀山化nl以tion).它是由A.L兄l加曲n(【11)弓!入的.【补注】关于1天功oulin曲面有不同的术语.在fAll中它被概要地表征为这样的事实:D即沁过运四面体(见D匕I扣uI沁四边形(E沈n幻叨n卿汕恤份1司))蜕化为一点.存在射影形变是一个更一般的条件(见【AI]，p.119).射影形变的问题与R线汇有关，R线汇是特殊的W线汇(见【All和f21，【31).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条