用OPENGL画图，来自于计算机图形学基础第二章-Drawing with OpenGL, from Chapter Fundamentals of Computer Graphics

用opengl画相关图形，计算机图形学基础第三章-Painting with OpenGL graphics, Chapter III, Fundamentals of Computer Graphics

About This Guide The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics Library.) It allows you to create interactive programs that produce color images of moving three-dimensional objects. With Ope

Its a nature picture made with opengl computer graphics