Matlab实现绘制任意自由曲线,实现Photoshop中的钢笔路径功能,用光顺连接的B样条/贝塞尔曲线实现,鼠标点击生成控制点,拖动形成任意曲线。可描绘多路径.-Matlab implementation of arbitrary free curve, to achieve the function of the pen path in Photoshop, with the smooth connection B-spline/Bezier curve, the mouse click t