层次索引模板通过一组常驻显存的索引缓存序列，隐式地表示地形块细节层次。
It represents terrain blocks detail levels by using an index buffer sequence, which resides in video memeory.
这两种方法都能有效地进行隐面消除，并通过明暗处理获得了真实感较强的立体地形图和三维遥感图。
By using these two methods, hidden surfaces are removed effectively. After shading treatment 3-d terrain pictures reflecting the real situation and remote sensing images are obtained.
这两种方法都能有效地进行隐面消除，并通过明暗处理获得了真实感较强的立体地形图和三维遥感图。
By using these two methods, hidden surfaces are removed effectively. After shading treatment 3-d terrain pictures reflecting the real situation and remote sensing images are obtained.
应用推荐