Point-Based Rendering uses discrete and crowded point cloud to represent the surface of model, and it's goal is to reconstruct a continuous and equivalent surface from the point cloud.

基于点的绘制技术使用离散的三维密集点云来表征模型表面，目标是采用点元作为基本绘制单元在三维密集点云中重构出连续、视觉等价的模型表面。

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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。

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The algorithm adopted continuous level of detail for fast rendering, and dynamically generated terrain meshes according to the roughness of terrain and information of the viewpoint.

采用连续细节层次快速绘制技术，按照地形的局部起伏程度和用户视点信息动态确定绘制时的地形网格。

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