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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针对附有纹理属性的网格模型，提出并实现了一种保持模型基本外观和形状特征的多分辨率网格简化算法。

This paper aims to simplify 3D models with texture attributes. An appearance-preserving multi-resolution simplification algorithm based on half-edge collapse operation is proposed.

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