Mature areal interpolation method,contour traveling and smooth curve methodsare used in mapping watered-out status,example shows it is successful and is valuable inpractical use.

• 本文将成熟的面积插值方法及等值线游动和曲线光滑方法引用到水淹状况图的绘制上，通过实例表明是成功的，有实际的应用价值。