trimmed surface meaning in English
截裁曲面
Examples
- Algorithm of trimmed surface triangulation of prepositive disposal in predicting rcs of aircraft
计算前置处理中裁剪曲面剖分算法 - Reading graphics files and dispersing curves and surfaces . after lucubrating current algorithms dispersing trimmed surfaces , the mapping method is adopted . to avoid unnecessary or repeated calculations , a new tessellation algorithm for trimmed surface is introduced
在深入分析目前流行的裁剪曲面离散算法的基础上，采用映射法对裁剪曲面进行离散，并针对面向网络会议的图形浏览器要求图形数据、剖分速度快的特点，提出了一种基于编码的裁剪曲面离散算法； 3 - So as to deal with this problem , local b - spline surface designing method with complicated trimmed boundary constraints is advanced . for two neighboring surfaces , we first trim a belt along the common boundary and then bridge a b - spline surface between these two trimmed surfaces with a smooth blending . with respect to the comer area comprised of several adjoining surfaces , a rectangular region covering the comer area is obtained by trimming operations at first , and later a local b - spline for filling the rectangular region is completed through interpolation or approximation
在两张相邻的曲面之间，先在其公共边界处裁剪出一个带状区域，然后再采用曲面搭接的方式实现曲面之间的光滑过渡；而在邻接曲面的公共角点处，先在该角点附近区域裁剪出一个矩形拓扑域，然后运用插值或逼近的方法，设计出一张既满足于该区域的边界条件同时又插值或逼近内部采样点的b样条曲面。 - Aiming at the existed problems in reverse engineering techniques concerning triangulation method for scattered data points , display technique of three dimension model based on mesh simplification , and redesign technique for re - constructed surface etc . , this paper studies and proposes the relevant solving schemes , key algorithms and realizing technologies . the chief contributions acquired by this paper include : ( 1 ) an effective 3d triangulation algorithm for scattered data points is put forward . this algorithm solves the problem that data points must be partitioned for multi - projection realized by traditional 2d triangulation methods , and can also triangulate the scattered data points of trimmed surface and concave boundary surface
本文工作针对散乱点集的三角网格划分及优化、基于网格简化的真实感模型显示，以及重构曲面再设计等反求工程的关键技术中还存在的诸多问题，提出了相应的解决方案，并对关键算法和实现技术进行了深入研究，论文的主要成果包括： ( 1 )提出了一种有效的散乱数据点集的3d空间直接三角网格划分算法。 - Grpcs provides a unified framework for parametric curve and surface . it does not only inherit a lot of good properties from nurbs such as locality , convex hull , affine and perspective invariance etc . , but also has the ability to directly represent trimmed surfaces and closed surfaces
广义有理参数曲线曲面在表示形式和计算方法上具有高度的统一性，它不仅继承了nurbs的很多优良性质，比如局部控制性、凸包性、仿射和投影不变性等，而且可以直接表示裁剪曲面和闭合的曲线曲面。