This paper pointed out the shortcomings of other algorithms in the process of isoline smoothing after completing isoline tracking for the features of drawing rainfall isoline. 摘要本文針對繪制雨量等值線(xiàn)的特點(diǎn),指出了其他算法對等值線(xiàn)追蹤完成后進(jìn)行光滑時(shí)存在的缺點(diǎn)。