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import matplotlib.pyplot as plt
import matplotlib.animation as animation
import numpy as np
import gradio as gr
import tempfile
def create_animation():
fig, ax = plt.subplots()
xdata, ydata = [], []
ln, = plt.plot([], [], 'b-', animated=True)
def init():
ax.set_xlim(0, 2*np.pi)
ax.set_ylim(-1.1, 1.1)
return ln,
def update(frame):
xdata.append(frame)
ydata.append(np.sin(frame))
ln.set_data(xdata, ydata)
return ln,
ani = animation.FuncAnimation(
fig, update, frames=np.linspace(0, 2*np.pi, 100),
init_func=init, blit=True, repeat=False
)
# Save to MP4
temp_video = tempfile.NamedTemporaryFile(delete=False, suffix=".mp4")
ani.save(temp_video.name, writer='ffmpeg', fps=20)
plt.close(fig)
return temp_video.name
with gr.Blocks() as demo:
with gr.Row():
btn = gr.Button("Generate Animation")
vid = gr.Video(label="Animated Plot", autoplay=True)
btn.click(fn=create_animation, outputs=vid)
demo.launch()
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