本文分析了虚拟现实技术的构成和技术特点，介绍了虚拟地理信息系统(VR - GIS)的特点及其应用。
This paper recommends the constituent parts and technological traits of VR, analyzes the characteristics of VR-GIS. It also stresses the application and expectation in 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 three dimensional landscape reconstruction is one of the important aspects in the research of Virtual Reality Geographic Information System (VR-GIS).
三维地形虚拟现实技术是当前计算机图形学、地理信息系统和数字摄影测量技术研究的热点问题。
The study on 3 D Terrain VR is a hot topic in Computer Graphic, Geographic Information System and Digital Photogrammetry.
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。
Absrtact: 3D terrain simulation is always a hot topic in geographic information system(GIS), virtual reality and so on.
多源空间数据共享一直是VR - GIS(虚拟现实地理信息系统)应用系统开发中需要解决的重要问题。
Sharing between various spatial data has always been a main problem to the development of VR-GIS, which is a new field integrating GIS and VR (Virtual Reality).
应用虚拟现实地理信息系统(VRGIS)技术建立水土流失三维仿真系统，提供水土流失动态信息。
Based on VRGIS technology, 3d virtual simulation system of soil erosion is build, which offers the dynamic information of soil and water erosion accurately.
虚拟现实技术在创建和体验虚拟世界中的优势可以弥补地理信息系统对地学数据的感知和体验上的不足。
Virtual Reality has the advantage of apperceiving and experiencing geographic data, which makes up the deficiency of GIS.
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。
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.
地形景观模型的三维可视化技术是时空一体化地理信息系统与虚拟现实中的关键技术。
The technique of 3d visualization of terrain sight model is an important technique of spatial-temporal GIS and VR.
空间分析技术及三维可视化实现是计算机图形学、遥感、虚拟现实、特别是地理信息系统(GIS)等领域研究的重要问题。
Spatial Analysis technology and its Visualization is an important research problem in computer graphic, RS (Remote Control), VR (Virtual Reality) and GIS and so on.
空间分析技术及三维可视化实现是计算机图形学、遥感、虚拟现实、特别是地理信息系统(GIS)等领域研究的重要问题。
Spatial Analysis technology and its Visualization is an important research problem in computer graphic, RS (Remote Control), VR (Virtual Reality) and GIS and so on.
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