基于OpenGL三维图形系统开发的基本的源代码，QT开发的基础知识，适合初学者。-Opengl-based three-dimensional graphics system developed under qt Basics for beginners to learn the basic source code easily.

一个用OPengl编写的三维地球仪源码，在linux 环境下编译。-One with a three-dimensional globe OPengl written source in linux Under the compiler environment.