This paper develops 3D graphics with OpenGL and draws three-dimensional entities visualization by spatial point set. Thu three-dimensional effect and visualization of 3D entities figure are strengthened by light.

• 摘要介绍了采用空间点集绘制实体的方法，生成真实感较强的三维实体图形的过程和三维实体的交互式旋转、缩放、多方位剖切等可视化显示。