,地形剖面图的绘制,200,250,300,350,200m,300m,100m,0m,100m,200m,等高线,等深线,200m,步骤: A.在等高线地形图上,根据题意要求,过两点作一直线,A,B,B.在等高线地形图下方平行图中直线,建一坐标系,横坐标与图中直线等长,根据等高距确定纵坐标,并标出坐标值,C.过纵坐标各海拔高度上的点分别作平行于横坐标的平行线,200m,300m,100m,0m,100m,200m,等高线,等深线,200m,A,B,D.找出直线与等高线相交的点,E.过等高线地形图各相交点分别作垂线,并根据其各自的海拔高度确定各点在坐标系中的对应位置,F.用平滑的曲线将坐标系中的各点连接起来,-200m,-100m,0m,100m,200m,300m,300m,200m,100m,0m,100m,200m,等高线,等深线,最高处300，400）,最低处（-400，-300,等高线剖面图的画法,
