查询词典 Delaunay

The Delaunay triangulation is an aggregate of connected but nonoverlapping triangles, and the circumcircle of each triangle contains no other point in its interior.

中文摘要： Delaunay三角网为相互邻接且互不重叠的三角形集合，其中每一个三角形的外接圆内不包含其他的点。

In Chapter 4, a set of distributed graphics algorithms (including fractal image creation, Delaunay triangulation of scalled points, ray tracing and volume rendering) are presented.

在第四章介绍用DGPSE设计的一组分布式图形算法（包括分形图象，Delaunay三角剖分、光线跟踪和辐射度绘制）和分布式图形库DGPSL，并行算法涉及到对象空间并行/图象空间并行方法。

Triangle - a two-dimensional quality mesh generator and delaunay triangulator, used in NCL's contouring package for

Triangle -一个二维量网格产生器和delaunay三角仪，曾在用于不均匀网格的NCL线性包中使用。

Chapter 9 summarizes the work of the dissertation, points out the shortcoming of Delaunay triangulation and forecasts the griding technique of data field.

第九章对本文工作进行了总结，指出了Delaunay三角化中的不足之处，展望了数据场网格化技术的研究方向。

In chapter 7, the constrained Delaunay triangulation is applied to visualization of oil geological data and griding of mechanical part. Data field is displayed by color map, contour map and section.

第七章将约束Delaunay三角网格应用于石油地质勘探数据场的可视化和机械零件的网格剖分，用三维立体图、渐变色图、区域填充图、等值线图、剖面图显示数据场。

The wing-edge and wing-patch data structure and fast searching method which combines the index rectangle with compass based normal vector are designed to speed the triangulation algorithm. Application in visualization of oil geological data and griding of mechanical part, the algorithm is efficient, steady and broad-spectrum. It can provide Delaunay triangular mesh for scientific computing and engineering analysis.

算法中采用了翼边、翼面型数据结构和自行设计的索引矩形与基于法矢的指南针法相结合的快速查询法，在石油地质勘探数据场可视化和机械零件网格剖分中的应用表明本文三角化算法具有高效、稳定、适用范围广的特点，能够为科学计算和工程分析提供边界一致的Delaunay三角网格。

This paper presents a precise clipping algorithm for 3D Triangulated Irregular Network based on constrained Delaunay triangulation.

给出了一种基于约束Delaunay三角剖分的三维不规则三角网格的精确裁剪算法。

In order to enhance the speed of constructing triangulated irregular network, this paper proposed an efficient algorithm of constructing Delaunay triangulation.

为了提高不规则三角网的构建速度，提出了一种高效构建Delaunay三角网算法。

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。

Experiments results show the algorithm of drawing isoline based on Delaunay triangle net are high efficiency, and have some practical value.

实验证明，基于Delaunay三角网的等值线绘制算法是高效的，并且具有一定的实用价值。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。