采用八叉树结构，生成复杂外形绕流计算的非结构直角网格。
Unstructured Cartesian grid for complex geometries is generated based on Octree data structure.
在点对合并的过程中使用八叉树结构进行空间分解，使用贪婪算法来选择点对。
Meanwhile, space decomposition was implemented by eight-branch trees structure in the process of the merger of couple-point which was selected by greedy choice algorithm.
提出了动态八叉树结构和相应的自相似裂变递归算法，实现了虚拟环境下的可加工工件动态建模。
A dynamic 8-tree structure and a relative self-similar recursion algorithm are presented to model a dynamic workpiece object, which is machinable.
该系统包括红外图像的处理技术、三维信息提取的体相交技术、三维形体的表示方法和基于八叉树结构的飞机三维形体重建的实现。
It has infrared images processing, volume intersection technique, 3d representation scheme of an object, and accomplishes reconstruction of 3d plane structure by Octree coding.
该系统包括红外图像的处理技术、三维信息提取的体相交技术、三维形体的表示方法和基于八叉树结构的飞机三维形体重建的实现。
It has infrared images processing, volume intersection technique, 3d representation scheme of an object, and accomplishes reconstruction of 3d plane structure by Octree coding.
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