2个简单的OPENGL源码：基本图元的绘制（DDA）和日地月模型

采用非连续变形分析（DDA法）建立边坡模型，计算安全系数及模拟破环过程。(The slope model was established by discontinuous deformation analysis (DDA method), and the safety factor and simulated fracture process were calculated.)

用来计算不同形状目标的吸收和散射效率，消光效率等。可以在windows下运行，里面有一个使用说明文档。