如何使用Celluoid制作可视化动画

Celluoid可以简化matplotlib生成可视化动画的代码量，Celluoid会先生成一个画布，然后每隔一段时间对绘图进行拍照(帧)，最后将所有的帧合并。

今天讲三个例子

1. 单图

2. 多图

3. 图例

安装

1. !pip3 install celluloid

单图

1. from matplotlib import pyplot as plt

2. from celluloid import Camera

3. fig = plt.figure()

4. camera = Camera(fig)

5. for i in range(10):

6. plt.plot([i] * 10)

7. camera.snap()

8. animation = camera.animate()

9. animation.save('celluloid_minimal.gif', writer = 'imagemagick')

多图

动图中有显示多个子图

1. import numpy as np

2. from matplotlib import pyplot as plt

3. from celluloid import Camera

4. fig, axes = plt.subplots(2)

5. camera = Camera(fig)

6. t = np.linspace(0, 2 * np.pi, 128, endpoint=False)

7. for i in t:

8. axes[0].plot(t, np.sin(t + i), color='blue')

9. axes[1].plot(t, np.sin(t - i), color='blue')

10. camera.snap()

11. animation = camera.animate()

12. animation.save('celluloid_subplots.gif', writer = 'imagemagick')

显示图例

1. import matplotlib

2. from matplotlib import pyplot as plt

3. from celluloid import Camera

4. fig = plt.figure()

5. camera = Camera(fig)

6. for i in range(20):

7. t = plt.plot(range(i, i + 5))

8. plt.legend(t, [f'line {i}'])

9. camera.snap()

10. animation = camera.animate()

11. animation.save('celluloid_legends.gif', writer = 'imagemagick')

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