The three dimensional landscape reconstruction is one of the important aspects in the research of Virtual Reality Geographic Information System (VR-GIS).
三维景观重建是虚拟现实地理信息系统(VR GIS)研究中的重要方向之一。
The rendering of 3D terrain scene is playing a key role in many research fields such as virtual reality, geographic information system and simulation system, etc.
三维地形场景实时绘制在虚拟现实、地理信息系统、仿真系统等领域中占有十分重要的地位。
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。
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