以下是动画和保存动画图的代码：
import matplotlib.pyplot as plt
import matplotlib.animation as animation
import numpy as np
fig = plt.figure("Map")
ax = plt.axes()
iteration = 0
x_boundary = 282
y_boundary = 282
color = ['r', 'b', 'g', 'y', 'c', 'b']
# color = ['black', 'dimgray', 'dimgrey', 'gray', 'grey', 'darkgray','darkgrey']
def animate(i):
global iteration
# read input text file from matlab and set target list
input_file = open("liveCoordinate.txt","r")
input_matrix = []
while True:
input_line = input_file.readline()
if len(input_line) == 0:
break
input_line = input_line.rstrip("\n")
input_matrix.append(input_line.split(","))
for i in range(len(input_matrix)):
for j in range(len(input_matrix[0])):
input_matrix[i][j] = float(input_matrix[i][j])
# plot data
if (len(input_matrix) > iteration):
# Clear out old stuffs
ax.clear() # graph
circle = [] # patches
# Draw the boundary
ax.add_patch(plt.Rectangle((-x_boundary/2, -y_boundary/2), x_boundary, y_boundary, fill = 0))
# Draw the xy axis
ax.add_patch(plt.Rectangle((-x_boundary/2, 0), x_boundary, 0, fill = 0))
ax.add_patch(plt.Rectangle((0, -y_boundary/2), 0, y_boundary, fill = 0))
graph_data = input_matrix[iteration]
for j in range(0,len(input_matrix[0]),2):
# Draw the agent
# ax.add_patch(plt.Circle((input_matrix[iteration][j], input_matrix[iteration][j+1]), radius=15, fc='r', fill = 0, color = [0,0,0]))
ax.add_patch(plt.Circle((input_matrix[iteration][j], input_matrix[iteration][j+1]), radius=15, fc='r', fill = 0, color = color[int(j/2)]))
ax.add_patch(plt.Circle((input_matrix[iteration][j], input_matrix[iteration][j+1]), radius=2, fc='b', fill = 1, color = color[int(j/2)]))
plt.axis('scaled')
iteration = iteration + 1
ani = animation.FuncAnimation(fig, animate, interval=100)
ani.save("simulation.mp4")
plt.show()
这是文件“ liveCoordinate.txt”：
-94,-94,94,-94,94,94,-94,94,0,0
-94,-94,94,-94,94,94,-94,94,0,0
-94,-94,94,-94,92,94,-94,94,0,0
-92,-94,93,-92,91,94,-93,92,0,0
-91,-94,93,-88,89,94,-93,89,1,2
-89,-94,93,-88,86,94,-92,87,2,3
-86,-95,92,-85,84,95,-92,85,4,5
-84,-95,92,-82,81,95,-91,83,5,6
-82,-96,91,-79,79,95,-91,80,7,8
-79,-96,90,-73,77,95,-90,78,8,9
-77,-97,90,-70,74,95,-90,75,10,11
-74,-97,90,-70,71,95,-89,72,11,13
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-65,-99,89,-58,63,96,-86,61,18,20
-62,-99,88,-55,60,96,-86,59,19,22
-60,-100,87,-48,54,97,-85,56,21,23
-57,-100,87,-45,51,97,-85,51,21,23
-54,-100,87,-42,48,97,-85,51,22,24
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-39,-101,86,-22,30,99,-83,33,26,25
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-23,-100,85,-3,12,100,-81,17,26,25
-20,-100,85,0,9,100,-81,17,26,25
-17,-100,85,3,5,100,-81,14,26,25
-14,-100,85,6,2,100,-81,9,26,25
-11,-100,85,9,0,100,-81,9,26,25
-9,-100,85,12,-3,100,-81,6,26,25
-6,-100,86,16,-6,100,-80,4,26,25
-3,-100,86,19,-9,100,-80,1,25,25
0,-99,86,22,-12,100,-80,-1,25,25
2,-99,86,25,-16,100,-80,-3,25,25
4,-99,86,29,-19,100,-80,-6,25,25
7,-99,86,32,-22,100,-80,-9,25,25
10,-99,86,35,-25,100,-80,-12,25,25
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94,94,-73,102,-94,-93,36,-85,-25,24
94,95,-76,101,-94,-95,38,-85,-25,24
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94,95,-81,99,-94,-95,44,-86,-25,24
94,95,-84,99,-94,-95,46,-86,-25,24
94,95,-87,98,-94,-95,49,-86,-25,24
94,95,-89,97,-94,-95,51,-86,-25,24
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94,94,-92,95,-94,-94,56,-85,-25,24
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-95,93,-95,-93,89,-92,95,94,-25,-25
-95,93,-95,-93,92,-92,95,94,-25,-25
我从“ simulation.mp4”中得到的是一个不完整的动画图。该文件只有11秒长，而图形可以运行30秒以上。另外，我希望可以在plt.show（）运行时保存文件，但是显然plt.show（）仅在animate.save完成后才能运行，我想这是有道理的。
有什么办法可以解决这个琐碎的问题？谢谢。