基于OpenGL的三维地形实时动态交互显示

Displaying of 3D Topography with Real Dynamic and Mutual Method Based on OpenGL

地形的三维实时显示技术是虚拟现实(VR)的一项关键技术,也是地理信息系统(GIS)的重要组成部分。本文探讨了在OpenGL环境下三维地形实时绘制显示的机制及过程。在此基础上,给出了三维数字地形交互显示的两种主要方式及实现方法。并给出了具体的绘制实例。

The real displaying technology of 3D topography is a key technology for Virtual Reality (VR), but also is a important element of Geography Information System. In this paper, we discussed the mechanism and procedure of real displaying of 3D topography. Moreover, we also discussed the main two methods of drawing and displaying of it. At the same time, a specific example of drawing the 3D topography using the previously method is given.