通过研究合成视景系统的组成和基本原理,主要介绍了数据获取、三维建模、纹理映射等3D图形学中的关键技术,并实现了一个基于OpenGL的简单应用.实验结果表明,其形状造型效果逼真,分辨率明显,是一种高效实用的建模方法.提出的思路对真实地形的模拟具有重要的参考价值.%The composition and basic principles of synthetic vision system is studied. The data acquisition. 3D modeling, texture mapping and other key technologies in 3D graphics are introduced, and a simple OpenGL-based application is implemented. Experimental results show that the shape is realistic, and the resolution is obvious. It is an efficient and practical modeling method. In this paper, the idea for the real terrain simulation has important reference value.
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