1) trimming curves
裁剪曲线
1.
The trimming domain of the surface,which would be mapped to 3D space for the trimming result,was decided according to the intersections of scan lines and trimming curves.
首先在非均匀有理B样条曲面的参数域中定义曲面的裁剪曲线,然后自上而下地分析曲面参数域中的每一条U(或V)向线段(扫描线),通过这些扫描线与裁剪曲线的相交关系来判定曲面的裁剪域,再将其映射到三维空间中,从而显示出裁剪操作的结果。
2) curved rule
裁剪曲线尺
3) surface trimming
曲面裁剪
1.
Scan line algorithm for NURBS surface trimming;
用于非均匀有理B样条曲面裁剪的扫描线算法
2.
This paper discusses the algorithm and implementation of the advanced surface design functions in BSURF-GI (an interactive 3D surface modelling system), presents a method which can do surface trimming along with the suface / surface intersection curves and filleting surface boundaries, and also points out the system further research direction and the way of integration with solid modelling system.
提出了一种能沿曲面与曲面交线和过渡曲面边界线进行曲面裁剪的算法,指出了该系统今后进一步研究的方向及与实体造型系统集成的途径。
3.
In CAD/CAM engineering,surface trimming is one of the most important and complex problems and quadrangular meshes are widely employed.
曲面裁剪运算是CAD/CAM领域最重要、最复杂的问题之一,四边形网格在工程CAD/CAM的实际应用中较为广泛。
4) trimmed surface
裁剪曲面
1.
Algorithm of trimmed surface triangulation of prepositive disposal in predicting RCS of aircraft;
飞行器RCS计算前置处理中裁剪曲面剖分算法
2.
Here the tool surface is represented by the analytical surface,the trimmed surface is approximated with the triangular patches, and the problem of interfer-ence avoidance is solved by transforming them to the test of relations between tool surface andtriangular patches.
在分析国内外三坐标数控加工刀具轨迹干涉检查和消除算法的基础上,提出了一种适合于球头刀、平底刀和圆角刀的刀具轨迹干涉检查和消除的算法,该算法将刀具看成解析曲面,裁剪曲面由三角片逼近表示,将刀具轨迹干涉检查与消除的问题转化为刀具曲面与三角片的相关性测试。
3.
That is referred to how a model represented by many trimmed surfaces is transferred to a watertight model.
曲面缝合是曲面造型过程中常用到的处理技术,即把由多张裁剪曲面表示的模型转换成一个"不漏水"的模型。
5) trimmed surfaces
裁剪曲面
1.
An algorithm for triangulating multi trimmed surfaces is introduced in this paper.
提出一种新的多裁剪曲面三角划分的方法。
6) freeform surfaces
剪裁曲面
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
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