By combining the Characteristics of Linear QuadTrees in searching neighbors with methods of Rendering Terrain Surface based on LoD techniques,the split phenomena could be eliminated.

• 其主要思想是:在基于LoD技术的地表细节层次模型的绘制方法的基础上,结合线性四叉树在邻域搜索上的特性,就能消除绘制中易出现的“裂痕”现象。