You will get some sort of mesh grid on your surface and you will look at a little parallelogram that is an elementary piece of that mesh and figure out what is its area and normal vector.
在曲面上做一些网格，你会看到一个网上的每一小块儿，都是小的平行四边形，我们要弄清楚它的面积和法向量是什么。
Mesh topology reconstruction is one of the key technologies of surface reconstruction.
测量点集网格拓扑重建是曲面重建的关键技术之一。
Against the concave characteristics of corneal contour, we improve the algorithm of contour reconstruction to increase the robust of algorithm and obtain the triangle mesh of corneal surface.
针对角膜轮廓线是凹的特点，对轮廓线重构算法做了改进，以便能构造出正确的角膜表面三角形网格。
The situation of strengthened boiling heat transfer of perforated surface for clad metal wire mesh was mentioned.
综述了复合金属丝网多孔表面的强化沸腾传热现状。
The method presented has the feature that the trailing wing edge is aligned with the grid line through modification of the distribution of the mesh points on the wing surface.
本方法的特色是改进了机翼表面网格点的分布，使机翼后缘与网格线一致。
The formation of the rising liquid film on the surface of a horizontal metallic mesh tube in the presence of the temperature field was investigated.
理论分析和试验结果表明，液体在受热的水平金属丝网管壁面能够形成比较均匀的上升薄液膜，可以起到强化传热传质的作用。
Then the quantity and quality of the surface mesh is optimized so that it can be used to generate finite element model for special fields.
然后根据特定领域有限元分析的要求对表面网格进行优化处理，优化网格的数量和质量，以便进一步生成适合有限元计算需要的各种单元模型。
That can provide some reference for mesh surface shaping design of mesh reflector antenna.
为索网反射面天线的网面成型工作提供一定的参考作用。
Space deployable antenna is composed of a reflective mesh and a deployable truss, forming a mesh parabolic surface.
空间可展天线由索网和可展构架组成，形成索网抛物面形反射面。
After establishing the topology relationship of scattered points, the mesh surface model of point data is reconstructed by triangulation.
建立了散乱点云数据之间的拓扑信息，对点云数据进行三角剖分重构网格曲面模型。
Secondly, through the research of several typical texture synthesis algorithms, a triangular mesh surface texture synthesis method is proposed.
其次，通过对几种比较典型纹理合成算法的研究，提出了一种三角网格曲面纹理合成技术。
The final surface mesh is achieved by polygonizing the implicit function.
隐式曲面的多边形化算法则用来生成最终曲面网格。
By comparing the least distance between subdivided control mesh and limit surface with rough machining allowance, the uniform subdivision depth was determined.
该算法以细分后的控制网格与极限曲面之间的最小距离和粗加工余量作比较，确定均匀细分次数。
In this paper, some key techniques about FEM surface mesh generation from multiple trimmed free surfaces are presented.
论述了多裁剪自由曲面生成有限元曲面网格的几个关键技术。
The surface of thin mesh wool fabric is covered with Fine close holes, which is the popular dry and crisp material in the world.
薄型网眼毛织物的呢面上布满细密的小孔，是当今世界上流行的干爽型面料。
We subdivide very single planar triangle independently, and finally get a smooth surface interpolating the vertices of the original triangle mesh and their normals.
通过对单个平面三角片的单独细分，最后我们得到一张插值原三角网格顶点和顶点法向的光滑曲面。
According to principle of spatial mesh, this paper derives common equations of cylindrical indexing CAM surface.
根据空间啮合原理，推导了圆柱分度凸轮廓面的通用方程。
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。
On the basis of the spine and fitting the centerline of spine, MC algorithm is used to output triangular mesh model to reconstruct the spine center surface.
在定位的基础上拟合脊柱中心线并建立测点集，应用MC算法输出三角网格模型，重建出脊柱中心曲面。
NURBS surface reconstruction of scattered data and the following of path planning of NC process based on the reconstruction mesh are researched in this thesis.
本文主要研究了散乱数据的NURBS曲面重构和在重构网格基础上的后续数控加工路径规划问题。
As a result, the limit surface of the polygonal mesh containing the symmetric zonal meshes is the subdivision surface satisfying the curve interpolation constrains.
因此，含有这种对称网格带的多面体网格的细分极限曲面即为满足曲线插值约束的细分曲面。
Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. It can express modeling surface through control mesh and subdivision rules.
细分曲面是基于网格的离散曲面造型新技术，它通过定义控制网格和细分规则来表示造型曲面。
The result after solution of the correspondence, branching and tiling problems is a triangular mesh that is a piecewise planar approximation of a surface consistent with the contours.
解决了这三个问题就可以得到基于轮廓数据的三角网格模型，它是原始轮廓对应的曲面的分片逼近表示。
As an important part of Surface Modeling, mesh Subdivision used to smooth an initial control mesh several times using some method, until up to the specified degree of smoothness.
作为曲面造型的重要分支，网格细分是以计算机为工具，对一个初始控制网格，采用某种方法对网格进行多次细化，直到满足指定的光滑度和细腻度。
Here the three dimensional entity boundary is boundary surface mesh, which owns not only geometric property but also topology property.
此时，三维实体的“边界”是指“边界表面网格”，它既具有几何性质，又具有拓扑性质。
Experimental results show that the algorithm can efficiently obtain the reconstructed mesh surface with arbitrary topology.
实验结果表明，本文算法可以重构具有任意拓扑的复杂表面。
A scheme of automatic3D finite element mesh generation, based on parametric cubic surface, is proposed.
提出了一种基于参数曲面拟合的三维网格自动生成方法。
Spherical mesh data structure and data organization, as well as the spherical surface of the grid subdivision process.
球面网格的数据结构和数据组织，以及球面网格的剖分流程。
Spherical mesh data structure and data organization, as well as the spherical surface of the grid subdivision process.
球面网格的数据结构和数据组织，以及球面网格的剖分流程。
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