摘要
本文主要论述在计算机绘图中,如何利用数学分析,使其在绘制二次曲线的配极变换中,能较准确地选取辅助线的位置靠近所画图形,并落在屏幕之内。
This paper mainly discusses how to choose the appropriate auxiliary lines by thd method of the mathematics so that the two end points of the polar line can fall on the screen of the computer: