...三角形折叠；累进网格；lod模型 [gap=1038]keywords: dynamic 3d terrain display;triangle folding;progressing mesh;lod model ...
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LOD model technique 细节层次模型技术
leveled and block-based LOD model 分级分块LOD模型
continuously LOD model 连续LOD模型
This paper puts forward a kind of view dependent LOD model simplification method based on face deletion operation.
文章提出了一种基于面删除操作的视相关LOD模型简化方法。
Of these representations, hierarchical dynamic simplification can continuously refine a LoD model at run time according to changing view point.
基于层次结构的动态简化方法能够根据视点的变化，实时连续地转换场景细节模型。
In reality, in order to get more convenient data organization for drawing, LOD model is to use theory of algorithms to reform intrinsic grid topographic data base.
所谓的LOD建模，其实质就是采用一定的算法思想将原有的网格地形数据进行重组，得到一种更加便于实时绘制使用的数据结构。
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