英文:
How do I show animation in Jupyter?
问题
我从手册中复制了代码并在新的笔记本中运行它。
不幸的是，我只看到了图形：
（并且单元格上标有“*”）。
当我重新启动内核时，有时我会看到动画的开头：
但我从未看到matplotlib手册中提到的控件。
服务器信息：您正在使用Jupyter Notebook。笔记本服务器的版本是：6.5.4-762f3618服务器正在运行的Python版本是：Python 3.10.6（主要版本，2023年5月29日，11:10:38）[GCC 11.3.0]当前内核信息：Python 3.10.6（主要版本，2023年5月29日，11:10:38）[GCC 11.3.0]
我可以将动画保存为mp4文件并查看它，但我更喜欢交互式功能。
我做错了什么？
英文:
I copied code from the manual:
%matplotlib notebookimport matplotlib.pyplot as pltimport matplotlib.animation as animationimport numpy as npfig, ax = plt.subplots()t = np.linspace(0, 3, 40)g = -9.81v0 = 12z = g * t**2 / 2 + v0 * tv02 = 5z2 = g * t**2 / 2 + v02 * tscat = ax.scatter(t[0], z[0], c="b", s=5, label=f'v0 = {v0} m/s')line2 = ax.plot(t[0], z2[0], label=f'v0 = {v02} m/s')[0]ax.set(xlim=[0, 3], ylim=[-4, 10], xlabel='Time展开收缩', ylabel='Z [m]')ax.legend()def update(frame):# for each frame, update the data stored on each artist.x = t[:frame]y = z[:frame]# update the scatter plot:data = np.stack([x, y]).Tscat.set_offsets(data)# update the line plot:line2.set_xdata(t[:frame])line2.set_ydata(z2[:frame])return (scat, line2)ani = animation.FuncAnimation(fig=fig, func=update, frames=40, interval=30)plt.show()
into a new notebook and run it.
Alas, all I see is the figure:
(and the cell is marked with *).
When I restart the kernel, sometimes I get the beginning of the animation:
but I never get the controls present in the matplotlib manual.
Server Information:You are using Jupyter Notebook.The version of the notebook server is: 6.5.4-762f3618The server is running on this version of Python:Python 3.10.6 (main, May 29 2023, 11:10:38) [GCC 11.3.0]Current Kernel Information:Python 3.10.6 (main, May 29 2023, 11:10:38) [GCC 11.3.0]
I can save the animation in an mp4 file and view it, but I would much prefer the interactive facility.
What am I doing wrong?
答案1
得分: 1
在导入库之后，请添加以下内容：
from matplotlib import rcrc('animation', html='jshtml')
然后在此处调用 ani：
ani = animation.FuncAnimation(fig=fig, func=update, frames=40, interval=30)plt.show()ani
这将打开交互式窗口。
英文:
Include the following after importing the libraries:
from matplotlib import rcrc('animation', html='jshtml')
Then call ani here:
ani = animation.FuncAnimation(fig=fig, func=update, frames=40, interval=30)plt.show()ani
This would bring the interactive window.
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