[英]How to specify start time in a python matplotlib animation?
I am animating a time series that has 3600 timesteps.我正在为具有 3600 个时间步长的时间序列制作动画。 I only want to plot timestep 1200 to 1800 in an animation, however I can only get the animation to run from the very first time step onwards.
我只想在 animation 中的 plot 时间步长 1200 到 1800,但是我只能让 animation 从一开始就运行。 Below is a simplified version of what I've been trying.
下面是我一直在尝试的简化版本。
sal = ax1.contourf(X[:,:,1200],Y[:,:,1200],Z[:,:,1200]),100)
def animate(i):
sal = ax1.contourf(X[:,:,i],Y[:,:,i],Z[:,:,i]),100)
anim = FuncAnimation(f, animate, interval=100, frames=len(Seconds[1200:1800]))
The above still starts from 0. I want to be able to specify a starting index of 1200 not 0.上面还是从 0 开始。我希望能够指定 1200 而不是 0 的起始索引。
len(Seconds[1200:1800])
returns gives a single value 600
, and according to the docs passing an int
to frames
is the same passing range(x)
. len(Seconds[1200:1800])
返回给出单个值600
,并且根据文档将int
传递给frames
是相同的传递range(x)
。 So I think your just animating just the first 600 frames.所以我认为你只是为前 600 帧设置动画。 Try
尝试
anim = FuncAnimation(f, animate, interval=100, frames=range(1200,1800))
and let me know if it works!让我知道它是否有效!
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