摘要
阐述了利用DEM和数字正射影像进行地形环境虚拟现实研究的原理、方法和实践。着重论述了运用OpenGL构造真实三维地形模型的有关原理以及在PC机上实现实时动态立体显示的有关技术．
This article is on the theory, method and practice of terrain environment virtual reality based on DEM and digital orthophoto. It discusses in detail the method of construction of realistic 3D perspective terrain model with OpenGL and the theory of stereoscopic vision on computer.
出处
《测绘工程》
CSCD
1999年第3期56-60,共5页
Engineering of Surveying and Mapping
关键词
虚拟现实
数字摄影测量
数字高程模型
地形
Virtual reality Digital photogrammetry
Digital elevation model(DEM)
Orthophoto
OpenGL
