准均匀三次B样条曲线曲面的多分辨率显示及编辑程序。能够实现随机生成指定次数的准均匀三次B样条曲线和曲面，并能显示其在不同分辨率层次下的曲面及细节部分，且可实现在不同层次下修改曲面及细节以达到曲面编辑的效果。-Quasi-uniform cubic B-spline curves and surfaces of the multi-resolution display and editing program. To achieve the specified number of randomly

Use the keys X, Y, and Z to control rotations about the x, y and z axes respectively. Each press of a key causes a rotation of 15 degrees about the related axis. Display your teapots using three viewports for the front, top and side views using ortho