以三角面片离散法为基础对刀具和毛坯进行了建模。
Dispersion modeling method based on triangle mesh is used to modeling the work-piece and the cutting tools.
其次，边界轮廓环的三角网格化：层间三角面片填充和端面三角划分。
Secondly, the triangle meshing of contour loops that includes triangle plane filling between layers and section triangle plotting was accomplished.
提出了一种仅根据三角网格模型的三角面片集合计算模型体积的方法。
In this paper, a new volume calculation method for arbitrary triangular mesh is presented based on the triangles set of the mesh only.
为了减少面绘制中三角面片数量，节省空间，提高重建效果，提出了经纬线连接法。
In order to reduce the number of triangular patches in surface rendering, save space and improve reconstruction results, a contour connecting method based on interzone line was proposed in this paper.
首先详细地介绍了单轮廓连接、分叉处理及端面三角面片剖分原理，同时给出相关具体算法。
The principles of single contour connection, furcation processing and triangular patch division of end face have been introduced in great detail with specific algorithms.
在三维虚拟会议场景中，使用多重纹理和三角面片渲染的快速算法，保证了交互显示的实时性；
In the three-dimensional virtual conference scene, the use of multi-texture and triangle slice fleet arithmetic guarantees the real-time alternation display.
在综合多种算法优点的基础上，首先提出了对三角面片的顶点按其切片方向进行从小到大排序，以快速滤除冗余顶点；
Firstly, sorting the apex of the triangular facets according to ascending order in their slice direction was proposed to filter out redundant vertex quickly;
在第二章中，我们采用截断多项式函数为核函数，解析的给出点、直线段、圆弧、二次曲线和三角面片等骨架的势函数。
In chapter two, using piecewise quartic polynomial as kernel function, we give analytical convolution solutions for points, line segments, arcs, quadratic Bezier curves and triangle segments.
并对其生成的表面几何模型所包含三角面片数量巨大的问题，提出一种快速有效的三角形边收缩算法进行网格简化，提高了表面模型的绘制速度。
Because 3D surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time.
通过分析该算法的几何原理，构建三角形面片的权值计算公式。
Firstly, the weight's calculation formula of triangle patches is constructed by analyzing its geometric theory.
观察上面这个形状相同的网格体：156个三角形面片（右）和726个三角形面片（左）。 726个面片可能听起来不会是很多的多边形，但如果这是在关卡中变成40倍，你会真正开始看到优化后节省下来的面片。
Observe the same shape mesh : 156 triangles (right) vs 726 (left). 726 may not sound like a great deal of polygons, but if this is used 40 times in a level, you will really start to see the savings.
运用基于块和三角形面片的混合裁剪模式，结合简化的高度差投影计算方法，快速选取适合的地形节点；
Hybrid culling technique based on blocks and triangle faces and simplified computing method for screen-space errors are employed to select appropriate terrain nodes rapidly.
细分曲面算法通常采用三角形、四角形面片，最近基于六角形面片的细分算法成为研究的热点。
Subdivision surface algorithms usually use triangular or quadrilateral meshes. Recently, the hexagonal subdivision algorithm becomes the focus of research.
细分曲面算法通常采用三角形、四角形面片，最近基于六角形面片的细分算法成为研究的热点。
Subdivision surface algorithms usually use triangular or quadrilateral meshes. Recently, the hexagonal subdivision algorithm becomes the focus of research.
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