import numpy as np
import random
import math
import numpy as np
import matplotlib.pyplot as plt
cnt = np.zeros(600)
for t in range(0,600):
    cnt[t] = t*0.2

vx = np.loadtxt("D:/wsf1x.csv",delimiter=",", dtype=float)
vy = np.loadtxt("D:/wsf1y.csv",delimiter=",", dtype=float)
vz = np.loadtxt("D:/wsf1z.csv",delimiter=",", dtype=float)
plt.rcParams['font.sans-serif'] = ['Microsoft YaHei']
plt.xlabel('时间         单位:秒')
plt.ylabel('z坐标        单位:米')
for i in range(0,35):
    xt = np.zeros(600)
    for j in range(0,600):
        if(vz[i,j]) == 0 and vz[i,j-1]!=0:
            vz[i,j] = vz[i,j-1]
        xt[j] = vz[i,j]
    plt.plot(cnt,xt)

plt.show()