查询词典 triangulation

With respect to the 3D modeling, the Delaunay Triangulation constructing method of 2D scattered data set is discussed firstly. The triangulation method of 3D surface data set of 3DLCS is analyzed by basing on the DT constructing problem of 2D scattered data set.

在三维构型方面，本文首先论述了二维散乱数据点集的Delaunay三角形化构造方法，然后以此为基础分析了3DLCS中的三维表面数据集的三角形化方法。

Determination of the horizontal angle of the triangle vertices and, based on the starting side length, azimuth, the starting point coordinates using the sine law to inquire the location of the vertex plane triangulation measurement method is called, the control points, known as the triangle point, this control network known as triangulation.

测定各三角形顶点的水平角，并根据起始边长、方位角、起始点坐标利用正弦定律来推求各顶点平面位置的测量方法称为三角测量，这种控制点称为三角点，此控制网称为三角网。

Meanwhile, the method supports the constraint edge to be in mesh without additional point to be inserted. fast triangulation, optimization, constraint triangulation, grid, data structure,algorithm

CT是一个更具有一般性的问题，并在许多领域中有实际意义（如在有限元剖分中模型的边界、裂纹、不同材料的接合处等，在数字地面模型——DTM中的山脊线、山谷线、河流、湖泊等特征线

This paper first assorts constrained triangulation,then analyses and discusses its development and representative arithmetic,in the end analyses the problem and farther development of constrained triangulation.

本文首先对约束三角剖分进行了分类，然后对其发展及典型算法进行了分析和讨论，最后对约束三角剖分所存在的问题和进一步发展进行了分析。

Triangulation|Triangulation, the practice of cross-checking findings with multiple data sources, is highly valued in qualitative research.

对于多种数据资料进行&三角测量&的交互核对，在定性研究中有很高的价值。

In the establishment process of three dimensional visualization model, we proposed the contour line drill hole - multi-layer face mold method.This method which improves Delaunay triangulation, is suitable for the random polygon triangulation and is easy for computer to realize. It makes three dimensional stratum visualization model of picking area realized under the limited condition.

在三维地层可视化模型的建立过程中，提出了基于等高线的钻孔—多层面模型方法，这是一种对现有的Delaunay三角剖分方法进行了改进，该方法适用于任意多边形的三角剖分，且易于计算机实现，使采区的三维地层可视化模型在有限条件下也能够实现。

This method uses all noisy datapoints directly to implement triangulation and dispenses with smoothing and datareduction process, which may lead to loss of geometric character. Moreover, thismethod is of lower complexity than other triangulation and the amount of vertexes inmesh can also be calculated, so we can control the size of mesh in advance. At last, apractical example is given to prove its effectiveness.

这种方法利用全部数据点信息进行网格剖分，无需对数据进行平滑、精简等预处理，避免了因平滑或精简而丢失重要的几何信息的可能，这种方法不仅比现有三角网格剖分算法降低了算法复杂度，而且具有可以直接处理带有噪声的数据，网格规模可控，生成的三角网格形状较好等优点。

First,Delaunay triangulation is generated using incremental insertion.Second,isolines are traced based on Delaunay triangulation.

掌上电脑是近年来发展迅速的移动式便携计算机，内置强大的嵌入式操作系统，提供内嵌式开发环境用于程序设计。

The results of the triangulation are constrained Delaunay triangulation meshes.The shape of th...

实验证明了该算法的合理性和有效性，较好地解决了现有多边形三角剖分算法存在的问题。

In this paper, we discuss and resolve several problems, such as: the tansformationg form STEP neutral exchange file to data-base file; pick-up entity information and surface triangulation in ACIS; out-put VRML format file.

本文阐述了其中所包括的STEP中性文件到数据库文件的转换，基于ACIS的实体信息数据提取以及实体表面的三角剖分，VRML格式文件的输出等技术问题及其解决方法。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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