摘要
地形高程数据一般用二维深度图(range image)表示,如果直接显示为灰度图形式不直观,可视性差。本文针对OpenGL三维图形库提出了一种二维数字地形图转换为三维地形数据并建立相应数字高程模型的算法,实现了基于OpenGL的地形高程数据三维显示,并对晴雾天候下的地形视觉模型进行了仿真。
Digital elevation data are usually described as 2D range image which is difficult to make visual if dis played as gray level image directly. In this paper, we propose an algorithm which can convert 2D digital terrain ma] to 3D data and construct DEM. We accomplish digital elevation data displaying in 3D form and emulate terrain visior in different Weather.
出处
《计算机与数字工程》
1999年第3期1-5,共5页
Computer & Digital Engineering
