摘要
给出了一种类似Bzier曲线的二次参数三角曲线,其基函数由一组带有两个参量的二次三角函数组成。由3个顶点控制的曲线插值于起点和末点,曲线具有可调性且更逼近于控制多边形;在适当的条件下,曲线可精确表示抛物线、圆弧、椭圆弧。因此,该曲线可应用于曲线曲面的造型。图4;参10。
A kind of quadratic parametric trigonometric curve is presented on special quadratic trigonometric basis, which basis functions have two parameters. The curve that interpolates start point and end point is analogous to Bezier curve, furthermore it's adjustable and approximate. In the proper conditions, it provides exact reproduction of parabola and elliptic arc. Hence, it could be used to free form curves and surfaces modeling. 4figs. ,10refs.
出处
《湘潭矿业学院学报》
2003年第2期76-79,共4页
Journal of Xiangtan Mining Institute
