After having summed up the ways of generating geodesic,Presents a shortcut algorithm to calculate geodesic and the boundary curve of anechoic tile by means of the geometrical character of geodesic.

• 在测地线生成途径上进行了总结分析,并利用测地线几何性质给出了一种求测地线及消声瓦边界曲线的快捷算法。