3 d-terrain 三维地形
3 D terrain VR 三维地形虚拟现实
3 d terrain map 维地形图
3 d terrain scene 三维地形场景
3 d terrain model 三维地形模型
3-d terrain model 三维地形模型
3 d terrain scenes 地形场景实时
fractal 3 d terrain 三维分形地形
A new 3-D terrain generation algorithm is brought forward;Visualization of 3-D terrain based OpenGL is accomplished; thus real sense terrain is generated and good result is gained.
基于分形几何的基本原理,提出了三维地形生成算法,利用OpenGL实现了三维地形的可视化处理,从而生成了真实感地形,取得了良好的效果。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
Then the method of 3-d terrain modeling based on regular grid is studied.
然后研究了基于规则格网的三维地形建模方法。
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。
The test showed that the average production time overlapped by the complex terrain of buildings, roads and vegetation is 15.96 seconds, thus realized the roam in the complex 3-d scene fluently.
测试得知，叠加了建筑物、道路、植被的复杂地形的平均生成时间为15.96秒，实现了复杂三维场景的流畅漫游。
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