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python - Matplotlib ArtistAnimation 给出 TypeError : 'AxesImage' object is not iterable

转载 作者:太空狗 更新时间:2023-10-29 20:37:15 24 4
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你能帮我弄清楚这里的问题是什么吗?我不知道出了什么问题。 img 中的单个绘图可以很好地绘制,但动画模块会出错。回溯说:

Traceback (most recent call last):
File "/home/ckropla/workspace/TAMM/Sandkasten.py", line 33, in <module>
ani = animation.ArtistAnimation(fig, img, interval=20, blit=True,repeat_delay=0)
File "/home/ckropla/.pythonbrew/pythons/Python-3.3.1/lib/python3.3/site-packages/matplotlib/animation.py", line 818, in __init__
TimedAnimation.__init__(self, fig, *args, **kwargs)
File "/home/ckropla/.pythonbrew/pythons/Python-3.3.1/lib/python3.3/site-packages/matplotlib/animation.py", line 762, in __init__
*args, **kwargs)
File "/home/ckropla/.pythonbrew/pythons/Python-3.3.1/lib/python3.3/site-packages/matplotlib/animation.py", line 481, in __init__
self._init_draw()
File "/home/ckropla/.pythonbrew/pythons/Python-3.3.1/lib/python3.3/site-packages/matplotlib/animation.py", line 824, in _init_draw
for artist in f:
TypeError: 'AxesImage' object is not iterable

代码:

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

def FUNCTION(p,r,t):
k_0,dx,c = p
x,y = r
z = np.exp(1j*(k_0[0]*np.meshgrid(x,y)[0]+k_0[1]*np.meshgrid(x,y)[1]-c*t))*np.exp(-((np.sqrt(np.meshgrid(x,y)[0]**2+np.meshgrid(x,y)[1]**2)-c*t)/(2*dx))**2 )*(2/np.pi/dx**2)**(1/4)
z = abs(z)
#k,F = FFT((x-c*t),y)
return(x,y,z)

#Parameter
N = 500
n = 20
x = np.linspace(-10,10,N)
y = np.linspace(-10,10,N)
t = np.linspace(0,30,n)
r=[x,y]
k_0 = [1,1]
dx = 1
c = 1
p = [k_0,dx,c]

fig = plt.figure("Moving Wavepackage")

Z = []
img = []
for i in range(n):
Z.append(FUNCTION(p,r,t[i])[2])
img.append(plt.imshow(Z[i]))

ani = animation.ArtistAnimation(fig, img, interval=20, blit=True,repeat_delay=0)

plt.show()

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