python读取文本绘制动态速度曲线

import numpy as np 
from matplotlib import pyplot as plt 
from matplotlib import animation 
 
path = "Nccut_TraceFile.log" 
file = open(path, 'r') 
 
AMat = []; BMat = [];XMat = [];YMat = [];ZMat = []; 
 
for line in file.readlines(): 
  lineArr = line.strip().split() 
  AMat.append(int(lineArr[0])) 
  BMat.append(int(lineArr[1])) 
  XMat.append(int(lineArr[2])) 
  YMat.append(int(lineArr[3])) 
  ZMat.append(int(lineArr[4])) 
   
fig = plt.figure() 
axA = fig.add_subplot(5,1,1,xlim=(0, 0.2), ylim=(0, 40)) 
axB = fig.add_subplot(5,1,2,xlim=(0, 0.2), ylim=(0, 40)) 
axX = fig.add_subplot(5,1,3,xlim=(0, 0.2), ylim=(0, 200)) 
axY = fig.add_subplot(5,1,4,xlim=(0, 0.2), ylim=(0, 200)) 
axZ = fig.add_subplot(5,1,5,xlim=(0, 0.2), ylim=(0, 200)) 
 
lineA, = axA.plot([], [], lw=1)  
lineB, = axB.plot([], [], lw=1)  
lineX, = axX.plot([], [], lw=1)  
lineY, = axY.plot([], [], lw=1)  
lineZ, = axZ.plot([], [], lw=1) 
 
def init():  
  lineA.set_data([], [])  
  lineB.set_data([], []) 
  lineX.set_data([], []) 
  lineY.set_data([], []) 
  lineZ.set_data([], [])  
  return lineA,lineB,lineX,lineY,lineZ 
 
def animate(i): 
 
  t = np.linspace(0, 0.2, 10)   
  yA = AMat[i:10 + i]  
  lineA.set_data(t, yA)   
  
  yB = BMat[i:10 + i] 
  lineB.set_data(t, yB)  
  
  yX = XMat[i:10 + i] 
  lineX.set_data(t, yX)  
 
  yY = YMat[i:10 + i] 
  lineY.set_data(t, yY)  
 
  yZ = ZMat[i:10 + i] 
  lineZ.set_data(t, yZ)  
 
  return lineA,lineB,lineX,lineY,lineZ 
 
anim1=animation.FuncAnimation(fig, animate, init_func=init, frames=len(XMat)-10, interval=2)  
plt.show()