OpenGL
代码说明：
读入数据，利用OpenGL函数用三角网格的形式画出地面，并实现了缩放、旋转、纹理等功能(Read the data, using OpenGL function with triangular grid in the form of painted surface, and to achieve the zoom, rotation, texture and other functions)
文件列表：
OpenGL画地面
............\Debug
............\.....\point.txt,59123,2010-04-22
............\.....\triangle.txt,38577,2010-04-22
............\GL3.dsp,4315,2010-05-13
............\GL3.dsw,529,2010-05-13
............\GL3.ncb,58368,2010-05-23
............\GL3.opt,48640,2010-05-23
............\GL3.plg,240,2010-05-16
............\main.cpp,24827,2010-05-16
............\point.txt,59123,2010-04-22
............\Stdafx.h,1051,2010-05-09
............\triangle.txt,38577,2010-04-22
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