【摘要】 通过平面的半空间的性质与投影方法的结合，成功地实现线段与封闭曲线形成的平面的相交性的判别，同时给出了一种计算线段与平面交点的新算法．更多还原

【Abstract】 On the basis of half space equation and properties of projection,presents a new method which is able to determine the intersection between line segment and bounded plane. And, gives the new algorithm to find the intersection point between the line segment and limited plane.更多还原