angle criterion造句

• The typical optimizing criterion of triangulation is max - min angle criteria , but it has some restriction when applying in three dimensions . we proposed some amelioration by taking into consider the relationship of points and their neighbors . that can make the triangulation ' s space variation more even , and can reach the surface fairness request
  对三角剖分中的典型优化准则?最小内角最大准则应用于三维空间中时的局限性问题提出了改进方法，充分考虑数据点与近邻点的空间关系，使三角剖分的空间形状变化尽量均匀，保证了三角剖分网格的光顺性要求。
• Based on data cloud , which is measured from 3 - coordinate measuring machine ( cmm ) or so , an algorithm to search lopological structure from 3d unorganized points using envelopment - box technology is proposed in this thesis . based on this method , we searching neighbor points of sampling point . we also improve the max - min angle criteria to realize local triangulation , and then get the normal of sampling point from the triangulation
  本文以测量得到的曲面数据点点云为基础，提出了一种基于包围盒的自动寻找三维散乱数据点之间拓扑结构的方法，采用该方法寻找采样点的邻域结点，并对三角剖分中的典型优化准则?最小内角最大准则提出了改进，按照改进后的优化准则实现了采样点的局部三角划分，并进一步求解得到采样点的法向量，依据法向量及邻域拓扑关系在二次曲面的基础上实现了散乱数据曲面重构中的数据点的自动分类。
• After research surface reconstruction with triangular facets , contours of first layer and the last layer are triangulated with layer separation algorithm firstly . and then the least polar - angle criterion is presented for linking two convex contours , and the method is also given in which non - convex contour is transformed to a set of convex contour . with the splitting and integrating algorithm , the single - to - multi - contour reconstruction with triangular facet has been simplified to one - to - one contour
  首先采用层析式算法对起始层和结束层中的轮廓进行三角剖分；然后采用最小极角法实现两凸轮廓间的三角片重构，并讨论了非凸轮廓变换为凸轮廓的方法；最后，使用分裂与合并技术将单轮廓匹配多轮廓的三角片重构简化为单轮廓之间的三角片重构，最终完成整个骨骼表面的三角片重构。