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。

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.

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为了以较少的地形数据呈现逼真效果，采用基于三角形二叉树的LOD方法对地形简化方法。

In order to show realistic terrain effects with less terrain data, use the improved terrain LOD simplification method based on triangle binary tree.

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