python - How to plot a bar plot in realtime using matplotlib -


i've continuous stream of data bins of histogram. can plot in real-time if use following:

import pylab plt  matplotlib.pyplot import figure, show import numpy np  plt.ion()  x = np.linspace(0,4095,16)   y = np.linspace(0,10000,16) f, axarr = plt.subplots(4, sharex=true) graph_low,  = axarr[0].plot(x,y,label='somelabel') graph_low.set_ydata(z)

but plots line-plot.

the issue can't find similar set_ydata bar plot.

does job you?

ax = plt.bar(left, height) ax.patches[i].set_height(x)

where i index particular bar , x desired height.


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