OpenAI gym:将gym运行过程保存为gif

执行CartPole-v1程序，并将运行过程存储为gif

参考链接

参考1
参考2

代码：

import gym
import matplotlib.pyplot as plt
from matplotlib import animation

def display_frames_as_gif(frames):
    patch = plt.imshow(frames[0])
    plt.axis("off")

    def animate(i):
        patch.set_data(frames[i])

    anim = animation.FuncAnimation(plt.gcf(), animate, frames = len(frames), interval = 5)
    anim.save("./CartPole_v1_result.gif", writer="pillow", fps = 30)

def run(env):
    frames = []

    for i_episode in range(5):
        observation = env.reset()

        for t in range(20):
            frames.append(env.render(mode = "rgb_array"))
            action = env.action_space.sample()
            opservation, reward, done, info = env.step(action)
            if done:
                break

    display_frames_as_gif(frames)

env = gym.make("CartPole-v1")
run(env)
env.close()

结果展示：

最后

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