This paper introduced the modeling process and realization method and terrain simplification of the freeway three-dimensional scene.
文中介绍了高等级公路三维视景的建模过程、实现方法，以及地形的简化技术。
The general methods of terrain simplification with LOD is summarized briefly in this paper. An algorithm of LOD automatically generation through sparsely resampling technique is presented.
文章简要总结了LOD进行地形简化的一般方法，介绍了一种通过稀疏采样技术实现LOD自动生成的算法。
The cracks caused by different node resolutions are mended with different ways according to view distance. The terrain simplification is attained effectively.
根据视距确定由于分辨率不同导致的裂缝缝补方法，有效地实现了地形的简化。
The cracks caused by different node resolutions are mended with different ways according to view distance. The terrain simplification is attained effectively.
根据视距确定由于分辨率不同导致的裂缝缝补方法，有效地实现了地形的简化。
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