摘要
以连霍国道主干线(GZ45)牛背(宝鸡)至天水段高速公路建设为例,主要从数据预处理、三维虚拟现实数字模型建立、工程填挖方计算与分析、三维巡航模拟飞行等几个方面,详细探讨了利用数字高程模型(DEM)、数字正射影像图(DOM)、数字线划图(DLG)等基础地理空间数据及VR-GIS技术,为高速公路方案比选、选线及构筑物设计、环境保护、工程可行性分析提供可靠决策依据的技术方法。
Taking the construction of the main line of Lianhuo Country Road (GZ45) and the Highway from Niubei (Baoji ) to Tianshui for example, this paper, which is mainly considered from the data pretreatment, the build of virtual reality digital models, cut-fill and 3-D flying simulation, discusses the following methods, including VR-GIS techniques and basic geographical information data such as digital elevation model (DEM), digital orthography map(DOM), digital line map(DLG), and their application in the scheme selection, building design, environmental protection and project feasibility analysis.
出处
《遥感技术与应用》
CSCD
2004年第5期402-405,F005,共5页
Remote Sensing Technology and Application
关键词
虚拟现实
三维景观
三维巡航
填挖方分析
Virtual reality, Three-dimensional Scene, Cut-fill, 3-D Flying simulation
