The 3d terrain simulation technique is one of important research issues in the computer graphics.
三维地形模拟技术是当前计算机绘图领域中研究的重点之一。
Absrtact: 3D terrain simulation is always a hot topic in geographic information system(GIS), virtual reality and so on.
摘 要： 三维地形模拟一直是虚拟现实、地理信息系统（GIS）等领域的研究热点。
Visual 3D terrain simulation technology is an important means of virtual reality, which deals with realistic 3D terrain modeling and 3D terrain visualization real-time drawing mainly.
三维地形可视化仿真技术是虚拟现实的重要手段之一，主要研究真实感三维地形建模和三维地形可视化的实时绘制。
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