先读取河流的经纬度序列,然后
river1 = gsn_add_polyline(wks, plot, lon1(:), lat1(:), pres) ; 画河流1
river2 = gsn_add_polyline(wks, plot, lon2(:), lat2(:), pres) ; 画河流2
先读取河流的经纬度序列,然后
river1 = gsn_add_polyline(wks, plot, lon1(:), lat1(:), pres) ; 画河流1
river2 = gsn_add_polyline(wks, plot, lon2(:), lat2(:), pres) ; 画河流2