绘制一条与控制多边形相切的三次均匀b样条曲线。-A degree-3 uniform b spline curve, it is tangent to its control polygon.

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，-Quasi-uniform cubic B-spline curves and surfaces of the multi-resolution display and editing program. Randomly generated to achieve a specified number of quasi-uniform cubic B-spline curves and sur

通过四重节点办法算出控制点坐标，根据控制点拟合通过型值点的3次B样条曲线(The coordinate of control points is calculated by four nodes method, and the 3 B spline curve of the control point is fitted through the value point of the type)

给定控制点，生成节点和B样条基函数，绘制非均匀三次B样条曲线(Given control points, generating nodes and B spline basis functions, drawing non-uniform three times B spline curves)

均匀三次B样条曲线插值，定义插值函数，B样条拟合三维曲面(Interpolation of B spline curves)