python - Animation by using matplotlib + errorbar -

i'm trying make animation based on example. main problem don't know how connect animation errorbar. maybe has solved similar ..

import numpy np import matplotlib.pyplot plt import matplotlib.animation animation   line, = ax.plot(x, np.sin(x))  def animate(i):     ax.errorbar(x, np.array(x), yerr=1, color='green')     line.set_ydata(np.sin(x+i/10.0))  # update data     return line,  #init required blitting give clean slate. def init():     ax.errorbar(x, np.array(x), yerr=1, color='green')     line.set_ydata(np.ma.array(x, mask=true))     return line,  ani = animation.funcanimation(fig, animate, np.arange(1, 200), init_func=init,     interval=25, blit=true) plt.show() 

import numpy np import matplotlib.pyplot plt import matplotlib.animation animation  fig = gcf() ax = gca() x = np.linspace(0, 2*np.pi, 256) line, ( bottoms, tops), verts =  ax.errorbar(x, np.sin(x), yerr=1)  verts[0].remove() # remove vertical lines  yerr = 1 def animate(i=0):     #    ax.errorbar(x, np.array(x), yerr=1, color='green')     y = np.sin(x+i/10.0)     line.set_ydata(y)  # update data     bottoms.set_ydata(y - yerr)     tops.set_ydata(y + yerr)     return line, bottoms, tops   def init():     # make empty frame     line.set_ydata(np.nan * np.ones(len(line.get_xdata())))     bottoms.set_ydata(np.nan * np.ones(len(line.get_xdata())))     tops.set_ydata(np.nan * np.ones(len(line.get_xdata())))     return line, bottoms, tops   ani = animation.funcanimation(fig, animate, np.arange(1, 200), init_func=init,     interval=25, blit=true) plt.show() 

this of way there. code of how axes.errorbar works understand returns.

you misunderstood init does.

if need have vertical lines, @ how generate in axes.errorbar , remove , re-create them every frame. collection based objects not play nice updating.