两行matplotib动画

Question

我试图制作一个动画图表，用两条线绘制x，y和x，z在同一个图形中，但我没有成功。你能帮助我吗？在

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation


x = np.arange(130, 190, 1)
y = 97.928 * np.exp(- np.exp(-  0.1416 *( x - 146.1 )))
z = 96.9684 * np.exp(- np.exp(-0.1530*( x - 144.4)))

fig, ax = plt.subplots()
line, = ax.plot(x, y, color = "r")

def update(num, x, y, line):
     line.set_data(x[:num], y[:num])
     line.axes.axis([130, 200, 0, 110])
     return line,


 ani = animation.FuncAnimation(fig, update, len(x), fargs=[x, y, line],
                      interval=295, blit=True)


  ax.set_xlabel('Age (day)')
  ax.set_ylabel('EO (%)')


  plt.show()

Answer 1

您只需在初始化阶段创建两个艺术家，在update函数中更新他们的坐标，并且不要忘记返回更新艺术家的列表。在

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation

x = np.arange(130, 190, 1)
y = 97.928 * np.exp(- np.exp(-  0.1416 *( x - 146.1 )))
z = 96.9684 * np.exp(- np.exp(-0.1530*( x - 144.4)))

fig, ax = plt.subplots()
line1, = ax.plot(x, y, color = "r")
line2, = ax.plot(x, z, color = "g")

def update(num, x, y, z, line1, line2):
    line1.set_data(x[:num], y[:num])
    line2.set_data(x[:num], z[:num])
    return [line1,line2]

ani = animation.FuncAnimation(fig, update, len(x), fargs=[x, y, z, line1, line2],
                  interval=295, blit=True)

ax.set_xlabel('Age (day)')
ax.set_ylabel('EO (%)')

plt.show()