空间分析,数值分析中区别于连续点的概念。是一个一个的离散的点,就是孤立的点集。
In this thesis, the author discusses the process of constructing triangulated irregular network with discrete point and improves the algorithm of constructing Delaunay network.
论文研究了离散点构造不规则三角网的过程,并对经典的构造Delaunay三角网算法进行了改进,改进后的算法具有较好的运行效果。
参考来源 - 地理信息系统三维建模及可视化技术研究DEM (digital elevation model), separate point, TIN (triangulated irregular network), GRID, arithmetic, interpolation, weight, solid model, 3D visualization.
数字地面模型DEM,离散点,不规则三角网TIN,格网GRID,算法,内插,权,透视图,三维可视化。
参考来源 - 数字高程模型DEM的建模及其三维可视化研究·2,447,543篇论文数据,部分数据来源于NoteExpress
采样于线状图形的离散点云数据也是常见的。
The discrete point cloud data sampling from the striation figure is common.
基于离散点的等值线生成算法,里面包括样例数据。
Based on discrete points isoline generation algorithm inside, including sample data.
利用差分法可以求出自由扭转截面内各离散点应力函数的数值解。
Using difference method, numerical solutions of stress function of the discrete points can be obtained.
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