This paper proposes a dynamic simplification algorithm for the terrain model based on the Triangle Subdivision Bi tree to realize continuous view dependent multi resolution rendering of terrain mesh.
为实现地形漫游，提出基于三角形二叉树的地形网格模型动态简化算法，实现了与视点相关的连续多分辨率简化及快速动态绘制。
R-tree is a dynamic index tree of space search. Its structure use multi-dimensional region to express spatial data object. R-tree is a valid way to visit rectangle.
树是空间搜索的动态索引树，它的结构是利用多个维中的区间来表示空间数据对象，它是矩形访问的一种有效方法。
In process of programming of management information system, data dictionaries of single-select, dynamic self-maintain, tree-structure and multi-select were the typical kinds.
介绍了管理信息系统中常用的数据字典录入类型：普遍单一选择数据字典、动态自维护数据字典、树型结构数据字典和复选数据字典。
The results show that dynamic multi-branches tree algorithm-aided evaluation of air quality assessment ism...
结果表明利用动态多叉树算法进行大气环境质量评价的研究具有传统方法无法比拟的优势。
The results show that dynamic multi-branches tree algorithm-aided evaluation of air quality assessment ism...
结果表明利用动态多叉树算法进行大气环境质量评价的研究具有传统方法无法比拟的优势。
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