An effective algorithm is presented here for seeking and realizing the intersection of tool sweep volume with surface vector.
提出一种实现刀具扫描体与曲面矢量求交的有效算法。
The projection onto a plane of the intersection of a surface with a plane parallel to the projection plane.
一个曲面和平行于射影平面的一个平面的交线到某个平面的射影。
The intersection of sweep volume with complicated surface normal is transformed into computation of intersection between triangular mesh and directed line segment.
将扫描体与复杂曲面法矢的求交问题，转化为三角网格与有向线段之间的求交计算。
Firstly, a group of lines through the model center depending on a pseudorandom number is generated. Then the intersection points of these lines and the model's surface are chosen as embedding objects.
算法利用伪随机数产生经过模型中心的直线，选取以直线与模型交点为球心的球形邻域作为嵌入对象，通过抖动调制邻域内顶点的重心来嵌入水印信息。
A fast intersection algorithm for ray and NURBS surface is presented. The algorithm bases on the Newton iteration solution for equation set.
提出了一种基于牛顿迭代法解方程组的射线和NURBS曲面求交算法。
The line of intersection, inward concave and shallow area of curved surface are the difficult points in curved surface machining.
曲面交线、曲面内凹区域及曲面中浅平面的加工是曲面加工中的难点。
Special consideration is paid on the compatibility of free surface and body surface conditions at the intersection point.
对于自由面和摇板交点处自由面条件和物面条件的相容性作了专门的考虑。
The measuring principle of large curved surface measurement system is intersection measurement of electronic theodolite.
大曲面检测系统是以电子经纬仪交会测量原理为基础的。
This paper focuses on the surface-surface intersection problem in surface border modeling.
研究曲面边界建模过程中的曲面求交问题。
The karst surface collapse in Wuhan happened at the intersection between the ne first terrace binary-structured deposits of Yangtze River and carbonate in the core of E-W syncline.
武汉市岩溶地面塌陷发生在具二元结构的北东向长江一级阶地与近东西向褶皱构造向斜核部碳酸岩盐地层相交的部位。
Auxiliary surface is commonly used as a graphic solution for the projections of the intersection line of quadratic cambers of revolution.
在两个二次回转曲面体相贯线的求解中，辅助面法是常用的图解方法。
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。
This paper presents one kind of numerical method of tunnel engineering and discusses a numerical method for finding the intersection of curved surface and plane in space and its application.
给出了隧道工程的一类数值方法。讨论了求空间曲面与空间平面交线的一种数值方法及其应用。
In contrast with the local triangulation algorithm, the algorithm in this paper is more powerful to avoid surface self intersection.
与基于中轴的三角剖分算法相比，该文算法需要更少和更简单的计算。
The upper surface can have an intersection point with the wing when the trailing edge device is in the stowed position.
上表面在后缘装置处于收回位置时与机翼有一交汇点。
The upper surface can have an intersection point with the wing when the trailing edge device is in the stowed position.
上表面在后缘装置处于收回位置时与机翼有一交汇点。
应用推荐