This surface is a piecewise bi-cubic rational parametric polynomial surface.
构造的曲面是分片双三次有理参数多项式曲面。
Rapidly generating parametric polynomial surface was discussed, a fast algorithm of generating parametric polynomial surface was given which is based on integer addition and subtraction.
讨论了参数多项式曲面的快速生成。 给出了用整数加减法逐点生成参数多项式曲面的快速算法。
The sag of the surface can be spherical, conic, aspheric, or defined by a polynomial or other parametric function.
表面的下弯(sag)可以是球面、圆锥面(conic)、非球面(aspheric)或借由多项式或其他函定义。
应用推荐